GrafTech International (EAF) 10-K 2 Mar 15 2014 FY Annual report Financial data

Document_And_Entity_Informatio

Document And Entity Information (USD $)	12 Months Ended
In Millions, except Share data, unless otherwise specified	Dec. 31, 2014	Jan. 31, 2015	Jun. 30, 2014
Document And Entity Information [Abstract]
Entity Registrant Name	GrafTech International LTD.
Entity Central Index Key	931148
Current Fiscal Year End Date	-19
Entity Filer Category	Large Accelerated Filer
Document Type	10-K
Document Period End Date	31-Dec-14
Document Fiscal Year Focus	2014
Document Fiscal Period Focus	FY
Amendment Flag	FALSE
Entity Common Stock, Shares Outstanding		136,817,315
Entity Public Float			$1,346
Entity Current Reporting Status	Yes
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No

Consolidated_Balance_Sheets

Consolidated Balance Sheets (USD $)	Dec. 31, 2014		Dec. 31, 2013
In Thousands, unless otherwise specified
ASSETS
Cash and cash equivalents	$17,550		$11,888
Accounts and notes receivable, net of allowance for doubtful accounts of $6,718 as of December 31, 2013 and $7,471 as of December 31, 2014	162,919		199,566
Inventories	382,903		490,414
Total current assets	644,995		775,658
Property, plant and equipment	1,500,821		1,588,880
Less: accumulated depreciation	846,781		767,895
Net property, plant and equipment	654,040	[1]	820,985	[1]
Deferred income taxes	16,819		10,334
Goodwill	420,129		496,810
Other assets	97,822		114,061
Total assets	1,833,805		2,217,848
LIABILITIES AND STOCKHOLDERS’ EQUITY
Accounts payable	86,409		115,212
Short-term debt	188,104		1,161
Accrued income and other taxes	24,506		30,687
Rationalizations	9,563		18,421
Supply chain financing liability	0		9,455
Other accrued liabilities	43,319		40,939
Total current liabilities	351,901		215,875
Long-term debt	341,615		541,593
Other long-term obligations	107,566		97,947
Deferred income taxes	28,197		41,684
Contingencies – Note 14
Stockholders’ equity:
Preferred stock, par value $.01, 10,000,000 shares authorized, none issued	0		0
Common stock, par value $.01, 225,000,000 shares authorized, 151,929,565 shares issued as of December 31, 2013 and 152,812,172 shares issued as of December 31, 2014	1,528		1,519
Additional paid – in capital	1,825,880		1,820,451
Accumulated other comprehensive loss	-336,524		-292,624
Retained earnings	-245,751		39,625
Less: cost of common stock held in treasury, 16,341,311 shares as of December 31, 2013 and 16,092,662 as of December 31, 2014	-239,811		-247,190
Less: common stock held in employee benefit and compensation trusts, 87,206 shares as of December 31, 2013 and 80,967 shares as of December 31, 2014	-796		-1,032
Total stockholders’ equity	1,004,526		1,320,749
Total liabilities and stockholders’ equity	$1,833,805		$2,217,848
[1]	Long-lived assets represent fixed assets, net of accumulated depreciation.

Consolidated_Balance_Sheets_Pa

Consolidated Balance Sheets (Parenthetical) (USD $)	Dec. 31, 2014	Dec. 31, 2013
In Thousands, except Share data, unless otherwise specified
Statement of Financial Position [Abstract]
Accounts and notes receivable, allowance for doubt accounts	$7,471	$6,718
Preferred stock, par value	$0.01	$0.01
Preferred stock, shares authorized	100,000,000	100,000,000
Preferred stock, shares issued	0	0
Common stock, par value	$0.01	$0.01
Common stock, shares authorized	225,000,000	225,000,000
Common stock, shares issued	152,812,172	151,929,565
Cost of common stock held in treasury, shares	16,092,662	16,341,311
Common stock held in employee benefit and compensation trusts, shares	80,967	87,206

Consolidated_Statements_Of_Inc

Consolidated Statements Of Income And Comprehensive Income (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Statement of Comprehensive Income [Abstract]
Net sales	$1,085,304,000	$1,166,674,000	$1,248,264,000
Cost of sales	993,057,000	1,027,608,000	932,460,000
Gross profit	92,247,000	139,066,000	315,804,000
Research and development	14,844,000	10,437,000	13,796,000
Selling and administrative expenses	124,178,000	111,043,000	145,540,000
Impairment of long-lived assets and goodwill	197,220,000	0	0
Rationalizations	11,625,000	20,156,000	0
Operating income (loss)	-255,620,000	-2,570,000	156,468,000
Other (income) expense, net	2,445,000	1,698,000	-1,005,000
Interest expense	37,057,000	36,037,000	23,247,000
Interest income	-330,000	-203,000	-261,000
Income before income taxes	-294,792,000	-40,102,000	134,487,000
Provision (benefit) for income taxes	-9,416,000	-12,843,000	16,846,000
Net income (loss)	-285,376,000	-27,259,000	117,641,000
Basic income (loss) per common share:
Net income (loss) per share	($2.10)	($0.20)	$0.85
Weighted average common shares outstanding	136,155,295	135,067,278	138,551,804
Diluted income (loss) per common share:
Net income (loss) per share	($2.10)	($0.20)	$0.84
Weighted average common shares outstanding	136,155,295	135,067,278	139,700,104
STATEMENTS OF COMPREHENSIVE INCOME (LOSS)
Net income (loss)	-285,376,000	-27,259,000	117,641,000
Foreign currency translation adjustments	-33,041,000	-13,981,000	-9,929,000
Commodities and foreign currency derivatives and other, net of tax of $2,327, ($300) and $(63), respectively	-10,859,000	2,035,000	-8,812,000
Other comprehensive loss, net of tax:	-43,900,000	-11,946,000	-18,741,000
Comprehensive income (loss)	($329,276,000)	($39,205,000)	$98,900,000

Consolidated_Statements_Of_Inc1

Consolidated Statements Of Income And Comprehensive Income OCI Parenthetical (USD $)	12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Income Statement [Abstract]
Commodity and foreign currency derivative tax	($63)	($300)	$2,327

Consolidated_Statements_Of_Cas

Consolidated Statements Of Cash Flows (USD $)	12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Cash flow from operating activities:
Net income (loss)	($285,376)	($27,259)	$117,641
Adjustments to reconcile net income to cash provided by operations:
Depreciation and amortization	119,708	123,397	81,660
Impairment of long-lived assets and goodwill	197,220	0	0
Rationalization related fixed asset write offs	926	8,010	0
Inventory write-downs	19,600	0	0
Deferred income tax benefit	-16,003	-22,369	8,130
Post-retirement and pension plan changes	23,047	-10,544	13,349
Stock-based compensation	5,577	8,035	9,601
Interest expense	15,693	14,052	12,500
Insurance recoveries	0	0	4,007
Other charges, net	1,441	7,162	-20,001
(Increase) decrease in working capital	56,846	31,980	-106,220
Increase in long-term assets and liabilities	-17,776	-15,627	-19,267
Net cash provided by operating activities	120,903	116,837	101,400
Cash flow from investing activities:
Capital expenditures	-84,981	-86,344	-127,728
Insurance recoveries	2,834	1,500	0
Proceeds from derivative instruments	2,025	-114	-7,572
Proceeds from the sale of fixed assets	5,042	0	0
Other	178	929	194
Net cash used in investing activities	-78,952	-83,801	-119,962
Cash flow from financing activities:
Short-term debt (reductions) borrowings, net	-1,021	-7,265	-5,738
Revolving Facility borrowings	269,000	166,000	425,000
Revolving Facility reductions	-293,000	-171,500	-587,500
Proceeds from long-term debt	0	0	300,000
Principal payments on long-term debt	-192	-225	-225
Supply chain financing	-9,455	-17,508	-2,967
Proceeds from exercise of stock options	2,813	448	157
Purchase of treasury shares	-894	-1,825	-103,445
Refinancing fees and debt issuance costs	-3,279	-560	-6,385
Other	951	-5,210	5,215
Net cash provided by (used in) financing activities	-35,077	-37,645	24,112
Net increase (decrease) in cash and cash equivalents	6,874	-4,609	5,550
Effect of exchange rate changes on cash and cash equivalents	-1,212	-820	-662
Cash and cash equivalents at beginning of period	11,888	17,317	12,429
Cash and cash equivalents at end of period	17,550	11,888	17,317
Supplemental disclosures of cash flow information:
Interest	21,549	21,825	9,279
Income taxes	10,611	8,357	26,209
Non-cash operating, investing and financing activities:
Common stock issued to savings and pension plan trusts	4,381	4,561	4,593
(Increase) decrease in current assets:
Accounts and notes receivable, net	28,466	37,366	-5,563
Inventories	77,875	14,324	-67,314
Prepaid expenses and other current assets	-14,898	-209	-2,281
Increase (decrease) in accounts payables and accruals	-25,849	-38,198	-32,759
Change in Rationalization Liability	-8,732	18,421	0
Increase in interest payable	-16	276	1,697
(Increase) decrease in working capital	$56,846	$31,980	($106,220)

Consolidated_Statements_Of_Sto

Consolidated Statements Of Stockholders' Equity (USD $)	Total	Common Stock [Member]	Additional Paid-In Capital [Member]	Accumulated Other Comprehensive Loss [Member]	Accumulated Deficit [Member]	Treasury Stock [Member]	Common Stock Held In Employee Benefit & Compensation Trust [Member]
In Thousands, except Share data, unless otherwise specified
Balance at Dec. 31, 2011	$1,339,944	$1,499	$1,798,161	($261,937)	($50,757)	($146,041)	($981)
Balance, shares at Dec. 31, 2011		149,861,081
Comprehensive income (loss):
Net income (loss)	117,641	0	0	0	117,641	0	0
Other comprehensive income:
Unrealized losses on securities, net of tax	-8,823	0	-11	-8,812	0	0	0
Foreign currency translation adjustments	-9,929	0	0	-9,929	0	0	0
Total comprehensive income	-18,752		-11	-18,741
Treasury stock	-101,697					-101,697
Stock-based compensation	7,964	6	9,720			-1,762
Stock-based compensation, shares		553,614
Shares issued in lieu of cash for incentive compensation	0	0	0	0	0	0	0
Shares issued in lieu of cash for incentive compensation, shares		0
Common stock issued to savings and pension plan trusts	4,594	4	4,565	0	0	13	12
Common stock issued to savings and pension plan trusts, shares		433,061
Sale of common stock under stock options	157	0	157	0	0	0	0
Number of Shares, Exercised		21,471
Balance at Dec. 31, 2012	1,349,851	1,509	1,812,592	-280,678	66,884	-249,487	-969
Balance, shares at Dec. 31, 2012		150,869,227
Comprehensive income (loss):
Net income (loss)	-27,259	0	0	0	-27,259	0	0
Other comprehensive income:
Unrealized losses on securities, net of tax	2,035	0	0	2,035	0	0	0
Foreign currency translation adjustments	-13,981	0	0	-13,981	0	0	0
Total comprehensive income	-11,946			-11,946
Treasury stock	0	0	0	0	0	0	0
Treasury stock, shares	10,000,000
Stock-based compensation	5,151	4	2,850			2,297
Stock-based compensation, shares		405,168
Shares issued in lieu of cash for incentive compensation	4,504	6	4,561			0	-63
Shares issued in lieu of cash for incentive compensation, shares		564,435
Common stock issued to savings and pension plan trusts	448	0	448	0	0	0	0
Common stock issued to savings and pension plan trusts, shares		90,735
Balance at Dec. 31, 2013	1,320,749	1,519	1,820,451	-292,624	39,625	-247,190	-1,032
Balance, shares at Dec. 31, 2013		151,929,565
Comprehensive income (loss):
Net income (loss)	-285,376	0	0	0	-285,376	0	0
Other comprehensive income:
Unrealized losses on securities, net of tax	-10,859	0	0	-10,859	0	0	0
Foreign currency translation adjustments	-33,041	0	0	-33,041	0	0	0
Total comprehensive income	-43,900			-43,900
Treasury stock	0	0	0	0	0	0	0
Stock-based compensation	5,614	0	-1,765			7,379
Stock-based compensation, shares		322
Shares issued in lieu of cash for incentive compensation				0	0		0
Common stock issued to savings and pension plan trusts	4,623	6	4,381	0	0	0	236
Common stock issued to savings and pension plan trusts, shares		574,973
Sale of common stock under stock options	2,816	3	2,813	0	0	0	0
Number of Shares, Exercised		316,151
Balance at Dec. 31, 2014	$1,004,526	$1,528	$1,825,880	($336,524)	($245,751)	($239,811)	($796)
Balance, shares at Dec. 31, 2014		152,821,011

Consolidated_Statements_Of_Sto1

Consolidated Statements Of Stockholders' Equity (Parenthetical) (USD $)	12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Statement of Stockholders' Equity [Abstract]
Unrealized losses on securities, net of tax	($300)	$2,327	$1,714

Business_And_Summary_Of_Signif

Business And Summary Of Significant Accounting Policies	12 Months Ended
	Dec. 31, 2014
Accounting Policies [Abstract]
Business And Summary Of Significant Accounting Policies	Business and Summary of Significant Accounting Policies
	Discussion of Business and Structure
	GrafTech International Ltd. is one of the world’s largest manufacturers and providers of high quality synthetic and natural graphite and carbon based products. References herein to “GTI,” “we,” “our,” or “us” refer collectively to GrafTech International Ltd. and its subsidiaries. We have seven major product categories: graphite electrodes, refractory products, needle coke products, advanced graphite materials, advanced composite materials, advanced electronics technologies, and advanced materials, which are reported in the following segments:
	•	Industrial Materials includes graphite electrodes, refractory products and needle coke products, and primarily serves the steel industry.
	•	Engineered Solutions includes advanced graphite materials, advanced composite materials, advanced electronics technologies, and advanced materials and provides primary and specialty products to the advanced electronics, industrial, energy, transportation and defense markets.
	Summary of Significant Accounting Policies
	The Consolidated Financial Statements include the financial statements of GrafTech International Ltd. and its wholly-owned subsidiaries. All significant intercompany transactions have been eliminated in consolidation.
	Cash Equivalents
	We consider all highly liquid financial instruments with original maturities of three months or less to be cash equivalents. Cash equivalents consist of certificates of deposit, money market funds and commercial paper.
	Revenue Recognition
	Revenue from sales of our commercial products is recognized when they meet four basic criteria (1) persuasive evidence of an arrangement exists, (2) delivery has occurred, (3) the amount is determinable and (4) collection is reasonably assured. Sales are recognized when both title and the risks and rewards of ownership are transferred to the customer or services have been rendered and fees have been earned in accordance with the contract.
	Volume discounts and rebates are estimated and are recorded as a reduction of revenue in conjunction with the sale of the related products. Changes to estimates are recorded when they become probable. Shipping and handling revenues billed to our customers are included in net sales and the related shipping and handling costs are included as an increase to cost of sales.
	Earnings per Share
	The calculation of basic earnings per share is based on the weighted-average number of our common shares outstanding during the applicable period. We use the two-class method of computing earnings per share for our instruments granted in share-based payment transactions that are determined to be participating securities prior to vesting.
	Diluted earnings per share recognizes the dilution that would occur if outstanding stock options and restricted stock awards were exercised or converted into common shares. We use the treasury stock method to compute the dilutive effect of our stock options and restricted stock awards (using the average market price for the period).
	Inventories
	Inventories are stated at the lower of cost or market. Cost is principally determined using the “first-in first-out” (“FIFO”) and average cost, which approximates FIFO, methods. Elements of cost in inventory include raw materials, direct labor and manufacturing overhead.
	Property, Plant and Equipment
	Expenditures for property, plant and equipment are recorded at cost. Maintenance and repairs of property and equipment are expensed as incurred. Expenditures for replacements and betterments are capitalized and the replaced assets are retired. Gains and losses from the sale of property are included in cost of goods sold or other (income) expense, net. We depreciate our assets using the straight-line method over the estimated useful lives of the assets. The ranges of estimated useful lives are as follows:
		Years
	Buildings	25-40
	Land improvements	20
	Machinery and equipment	20-May
	Furniture and fixtures	10-May
	The carrying value of fixed assets is assessed when events and circumstances indicating impairment are present. Recoverability of assets to be held and used is measured by a comparison of the carrying amount of the assets to future undiscounted net cash flows expected to be generated by the assets. If the assets are considered to be impaired, the impairment to be recognized is measured by the amount by which the carrying amount of the assets exceeds the fair value of the assets. Assets to be disposed of are reported at the lower of the carrying amount or fair value less costs to sell.
	Depreciation expense was $59.6 million for 2012, $102.9 million for 2013 (including $28.3 million of rationalization related accelerated depreciation) and $100.4 million for 2014 (including $26.0 million of rationalization related accelerated depreciation).
	Accounts Receivable
	Trade accounts receivable primarily arise from sales of goods to customers and distributors in the normal course of business.
	Sales of trade accounts receivable
	We have in the past sold certain trade accounts receivable to a bank under a factoring arrangement. The receivables were sold at a discount on a nonrecourse basis and we did not retain interests in the receivables sold. We also acted as a servicer of the sold receivables for a fee. The servicing duties included collecting payments on receivables and remitting them to the bank. While servicing the receivables, we applied the same servicing policies and procedures that are applied to our owned accounts receivable.
	Allowance for Doubtful Accounts
	Considerable judgment is required in assessing the realizability of receivables, including the current creditworthiness of each customer, related aging of the past due balances and the facts and circumstances surrounding any non-payment. We evaluate specific accounts when we become aware of a situation where a customer may not be able to meet its financial obligations. The reserve requirements are based on the best facts available to us and are reevaluated and adjusted as additional information is received. Receivables are charged off when amounts are determined to be uncollectible.
	Capitalized Bank Fees
	We capitalize bank fees upon the incurrence of debt. As of December 31, 2013 and December 31, 2014, capitalized bank fees amounted to $9.8 million and $9.7 million, respectively. We amortize such amounts over the life of the respective debt instrument using the effective interest method. The estimated life may be adjusted upon the occurrence of a triggering event. Amortization of capitalized bank fees amounted to $1.7 million in 2012, $2.5 million in 2013, and $3.3 million in 2014, respectively, and is included in interest expense.
	Derivative Financial Instruments
	We do not use derivative financial instruments for trading purposes. They are used to manage well-defined commercial risks associated with commodity contracts and currency exchange rate risks.
	Foreign Currency Derivatives
	We enter into foreign currency derivatives from time to time to manage exposure to changes in currency exchange rates. These instruments, which include, but are not limited to, forward exchange contracts and purchased currency options, attempt to hedge global currency exposures, relating to non-dollar denominated debt and identifiable foreign currency receivables, payables and commitments held by our foreign and domestic subsidiaries. Forward exchange contracts are agreements to exchange different currencies at a specified future date and at a specified rate. Purchased foreign currency options are instruments which give the holder the right, but not the obligation, to exchange different currencies at a specified rate at a specified date or over a range of specified dates. The result is the creation of a range in which a best and worst price is defined, while minimizing option cost. Forward exchange contracts and purchased currency options are carried at fair value. These contracts are treated as hedges to the extent they are effective. Changes in fair values related to these contracts are recognized in other comprehensive income in the Consolidated Balance Sheets until settlement. At the time of settlement, realized gains and losses are recognized in revenue or cost of goods sold on the Consolidated Statements of Income. For derivatives that are not designated as a hedge, any gain or loss is immediately recognized in Cost of Goods Sold or Other (Income) Expense on the the Consolidated Statements of Operations. Derivatives used in this manner relate to risks resulting from assets or liabilities denominated in a foreign currency.
	Commodity Derivative Contracts
	We periodically enter into derivative contracts for natural gas and certain refined oil products. These contracts are entered into to protect against the risk that eventual cash flows related to these products will be adversely affected by future changes in prices. All commodity contracts are carried at fair value and are treated as hedges to the extent they are effective. Changes in their fair values are included in other comprehensive income in the Consolidated Balance Sheets until settlement. At the time of settlement of these hedge contracts, realized gains and losses are recognized as part of cost of goods sold on the Consolidated Statements of Income.
	Research and Development
	Expenditures relating to the development of new products and processes, including significant improvements to existing products, are expensed as incurred.
	Income Taxes
	We file a consolidated United States (“U.S.”) federal income tax return for GTI and its eligible domestic subsidiaries. Our non-U.S. subsidiaries file income tax returns in their respective local jurisdictions. We account for income taxes under the asset and liability method. Deferred tax assets and liabilities are recognized for the future tax consequences attributable to temporary differences between the financial statement carrying amounts of existing assets and liabilities and their respective tax bases and tax benefit carry forwards. Deferred tax assets and liabilities at the end of each period are determined using enacted tax rates. A valuation allowance is established or maintained, when, based on currently available information and other factors, it is more likely than not that all or a portion of a deferred tax asset will not be realized.
	Under the guidance on accounting for uncertainty in income taxes, we recognize the benefit from an uncertain tax position only if it is more likely than not that the tax position will be sustained on examination by taxing authorities, based on the technical merits of the position. The tax benefits recognized in the financial statements from such a position are measured based on the largest benefit that has a greater than fifty percent likelihood of being realized upon ultimate settlement. The guidance on accounting for uncertainty in income taxes also provides guidance on derecognition, classification, interest and penalties on income taxes, and accounting in interim periods.
	Stock-Based Compensation Plans
	We have various plans that provide for the granting of stock-based compensation to employees and, in certain instances, to non-employee directors, which are described more fully in Note 13, “Management Compensation and Incentive Plans.” Shares are issued upon vesting or option exercise from authorized, unissued shares or treasury shares.
	We account for those plans under the applicable standards on accounting for share-based payment. For transactions in which we obtain employee services in exchange for an award of equity instruments, we measure the cost of the services based on the grant date fair value of the award. We recognize the cost over the period during which an employee is required to provide services in exchange for the award, known as the requisite service period (usually the vesting period). Costs related to plans with graded vesting are generally recognized using a straight-line method. Cash flows resulting from tax benefits for deductions in excess of compensation cost recognized are included in financing cash flows.
	Retirement Plans and Postretirement Benefits
	We use actuarial methods and assumptions to account for our defined benefit pension plans and our postretirement benefits. We immediately recognize the change in the fair value of plan assets and net actuarial gains and losses annually in the fourth quarter of each year (MTM Adjustment) and whenever a plan is remeasured (e.g. due to a significant curtailment, settlement, etc.). Pension and postretirement benefits expense includes the MTM adjustment, actuarially computed cost of benefits earned during the current service period, the interest cost on accrued obligations, the expected return on plan assets based on fair market values, and adjustments due to plan settlements and curtailments. Contributions to the qualified U.S. retirement plan are made in accordance with the requirements of the Employee Retirement Income Security Act of 1974.
	Postretirement benefits and benefits under the non-qualified retirement plan have been accrued, but not funded. The estimated cost of future postretirement life insurance benefits is determined by the Company with assistance from independent actuarial firms using the “projected unit credit” actuarial cost method. Such costs are recognized as employees render the service necessary to earn the postretirement benefits. We record our balance sheet position based on the funded status of the plan.
	We exclude the inactive participant portion of our pension and other postretirement benefit costs as a component of inventoriable costs. Additional information with respect to benefits plans is set forth in Note 12, “Retirement Plans and Postretirement Benefits.”
	Environmental, Health and Safety Matters
	Our operations are governed by laws addressing protection of the environment and worker safety and health. These laws provide for civil and criminal penalties and fines, as well as injunctive and remedial relief, for noncompliance and require remediation at sites where hazardous substances have been released into the environment.
	We have been in the past, and may become in the future, the subject of formal or informal enforcement actions or proceedings regarding noncompliance with these laws or the remediation of company-related substances released into the environment. Historically, such matters have been resolved by negotiation with regulatory authorities resulting in commitments to compliance, abatement or remediation programs and in some cases payment of penalties. Historically, neither the commitments undertaken nor the penalties imposed on us have been material.
	Environmental considerations are part of all significant capital expenditure decisions. Environmental remediation, compliance and management expenses were approximately $15.8 million in 2012, $14.6 million in 2013, and $17.0 million in 2014. The accrued liability relating to environmental remediation was $7.0 million as of December 31, 2013 and $6.9 million as of December 31, 2014. A charge to income is recorded when it is probable that a liability has been incurred and the cost can be reasonably estimated. When payments are fixed or determinable, the liability is discounted using a rate at which the payments could be effectively settled.
	Our environmental liabilities do not take into consideration possible recoveries of insurance proceeds. Because of the uncertainties associated with environmental remediation activities at sites where we may be potentially liable, future expenses to remediate sites could be considerably higher than the accrued liability.
	Foreign Currency Translation
	We translate the financial statements of foreign subsidiaries, whose local currency is their functional currency, to U.S. dollars using period-end exchange rates for assets and liabilities and weighted average exchange rates for each period for revenues, expenses, gains and losses. Differences arising from exchange rate changes are included in accumulated other comprehensive loss on the Consolidated Balance Sheets until such time as the operations of such non-U.S. subsidiaries are sold or substantially or completely liquidated.
	For our Mexican, Swiss and Russian subsidiaries, whose functional currency is the U.S. dollar, we remeasure non-monetary balance sheet accounts and the related income statement accounts at historical exchange rates. Resulting gains and losses arising from the fluctuations in currency for monetary accounts are recognized in other (income) expense, net, in the Consolidated Statements of Income. Gains and losses arising from fluctuations in currency exchange rates on transactions denominated in currencies other than the functional currency are recognized in earnings as incurred.
	We have non-dollar denominated intercompany loans between some of our foreign subsidiaries. These loans are subject to remeasurement gains and losses due to changes in currency exchange rates. Certain of these loans had been deemed to be essentially permanent prior to settlement and, as a result, remeasurement gains and losses on these loans were recorded as a component of accumulated other comprehensive loss in the stockholders’ equity section of the Consolidated Balance Sheets. The remaining loans are deemed to be temporary and, as a result, remeasurement gains and losses on these loans are recorded as currency (gains/losses) in other (income) expense, net, on the Consolidated Statements of Income.
	Software Development Costs
	In connection with our development and implementation of global enterprise resource planning systems with advanced manufacturing, planning and scheduling software, we capitalize certain computer software costs after technological feasibility is established. These costs are capitalized within property, plant and equipment and are amortized utilizing the straight-line method over the economic lives of the related products. Total costs capitalized as of December 31, 2013 and 2014 amounted to $17.8 million and $15.6 million, respectively. Amortization expense for capitalized software was $1.4 million for 2012 , $1.0 million for 2013 and $0.5 million for 2014.
	Rationalizations
We record costs for rationalization actions implemented to reduce excess and high-cost manufacturing capacity and operating and administrative costs. For ongoing post-employment benefit arrangements, a liability is recognized when it is probable that employees will be entitled to benefits and the amount can be reasonably estimated. These conditions are generally met when the rationalization plan is approved by management. For one-time benefit arrangements, a liability is incurred and must be accrued at the date the plan is communicated to employees, unless they will be retained beyond a minimum retention period. In this case, the liability is calculated at the date the plan is communicated to employees and is accrued ratably over the future service period. Other costs reported under Rationalization include contract termination costs.
In connection with rationalization initiatives, the company incurs additional costs such as inventory losses, fixed assets write-offs, impairment and accelerated depreciation as well as various non-recurring costs for dismantling, transferring or disposing of equipment and inventory. These rationalization related costs are measured and recorded based on the appropriate accounting guidance. Inventory losses are recorded in cost of sales. Fixed assets write-offs and accelerated depreciation are recorded in cost of sales, R&D and SG&A based upon the asset utilization. Other non-recurring costs are recorded in cost of sales and SG&A.
Goodwill and Other Intangible Assets
Goodwill is the excess of the acquisition cost of businesses over the fair value of the identifiable net assets acquired. We do not recognize deferred income taxes for the difference between the assigned value and the tax basis related to nondeductible goodwill. Goodwill is not amortized; however, impairment testing is performed annually or more frequently if circumstances indicate that impairment may have occurred. We perform the goodwill impairment test annually at December 31.
The impairment test for goodwill uses a two-step approach, which is performed at the reporting unit level. Step one compares the fair value of the reporting unit (using a discounted cash flow method) to its carrying value. The fair value for each reporting unit with goodwill is determined in accordance with accounting guidance on determining fair value, which requires consideration of the income, market, and cost approaches as applicable. If the carrying value exceeds the fair value, there is potential impairment and step two must be performed. Step two compares the carrying value of the reporting unit’s goodwill to implied fair value (i.e., fair value of the reporting unit less the fair value of the unit’s assets and liabilities, including identifiable intangible assets). If the fair value of goodwill is less than the carrying amount of goodwill, an impairment is recognized.
Other amortizable intangible assets, which consist primarily of trademarks and trade names, customer-related intangibles, and technological know-how, are amortized over their estimated useful lives using the straight line or sum-of-the-years digits method. The estimated useful lives for each major category of amortizable intangible assets are:
	Years
Trade name	10-May
Technology and know-how	9-May
Customer related intangible	14-May
Additional information about goodwill and other intangibles is set forth in Note 4 “Goodwill and Other Intangible Assets.”
Major Maintenance and Repair Costs
We perform scheduled major maintenance of the storage and processing units at our Seadrift plant (referred to as “overhaul”). Time periods between overhauls vary by unit. We also perform an annual scheduled significant maintenance and repair shutdown of the plant (referred to as “turnaround”).
Costs of overhauls and turnarounds include plant personnel, contract services, materials, and rental equipment. We defer these costs when incurred and use the straight-line method to amortize them over the period of time estimated to lapse until the next scheduled overhaul of the applicable storage or processing unit or over one year for our turnaround. Under this policy in 2013, costs deferred were $7.5 million and costs amortized were $7.8 million. Costs deferred in 2014 were $13.3 million and costs amortized were $6.6 million.
Our turnaround, normally scheduled during the spring or early summer of each year, was completed during June 2014.
Use of Estimates
The preparation of financial statements in conformity with U.S. generally accepted accounting principles (“GAAP”) requires us to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent liabilities at the date of the Consolidated Financial Statements and the reported amounts of revenue and expenses. Significant estimates and assumptions are used for, but are not limited to, pension and other post-retirement benefits, allowance for doubtful accounts, accruals and valuation allowances, asset impairment, and environmental-related accruals. Actual results could differ from our estimates.
Subsequent Events
We evaluate events that occur after the balance sheet date but before financial statements are issued to determine if a material event requires our amending the financial statements or disclosing the event.
Basis of Presentation
During 2013, the Company recorded additional depreciation expense of $2.7 million ($1.8 million net of tax), to correct certain errors related to prior periods. These charges were recorded primarily to release to cost of sales depreciation expenses that were previously incorrectly deferred to inventory. These adjustments were not material to 2013 or any previously issued financial statements.
Recent Accounting Standards
In May 2014, FASB issued ASU No. 2014-09, Revenue from Contracts with Customers. This ASU supersedes the revenue recognition requirements in Accounting Standards Codification 605—Revenue Recognition and most industry-specific guidance throughout the Codification. This ASU requires that an entity recognize revenue to depict the transfer of promised goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods or services. This ASU is effective for fiscal years beginning after December 15, 2016, and for interim periods within those fiscal years. We are in the process of assessing the impact of the adoption of ASU 2014-09 on the Company's financial position, results of operations and cash flows.
In July 2013, the Financial Accounting Standards Board ("FASB") issued guidance on Income Taxes for “Presentation of an Unrecognized Tax Benefit When a Net Operating Loss Carryforward, a Similar Tax Loss, or a Tax Credit Carryforward Exists.” This guidance requires that financial statements reflect a deferred tax asset for a net operating loss carryforward, a similar tax loss, or a tax credit carryforward as reduced by any unrecognized tax benefit, or a portion of an unrecognized tax benefit. The updated guidance is effective for the Company's interim and annual periods beginning after December 15, 2013, which will be effective for us beginning fiscal 2014. We do not expect the adoption of this guidance to have a significant impact on our consolidated financial statements.

Rationalizations_Notes

Rationalizations (Notes)	12 Months Ended
	Dec. 31, 2014
Restructuring and Related Activities [Abstract]
Rationalizations	Rationalizations
	Throughout 2013 and 2014 the Company undertook rationalization plans in order to streamline our organization and lower our production costs. The following tables summarize the total rationalization and related charges incurred during 2013 and 2014 followed by the details of each plan.
		For the Year Ended December 31, 2013
		Industrial Materials Segment			Engineered Solutions Segment			Corporate, R&D and Other		Total
		(Dollars in thousands)
	Accelerated depreciation	$	28,326		$	—		$	—	$	28,326
	(recorded in Cost of sales)
	Inventory loss (recorded in Cost	7,886			896			—		8,782
	of sales)
	Fixed asset write-offs and other(recorded in Cost of sales)	6,104			2,274			—		8,378
	Other (recorded in Selling	59			—			—		59
	and administrative)
	Severance and related costs	17,072			458			1,816		19,346
	(recorded in Rationalizations)
	Contract terminations	810			—			—		810
	(recorded in Rationalizations)
	Total 2013 rationalization	$	60,257		$	3,628		$	1,816	$	65,701
	and related charges
		For the Year Ended December 31, 2014
		Industrial Materials Segment			Engineered Solutions Segment			Corporate, R&D and Other		Total
		(Dollars in thousands)
	Accelerated depreciation	$	22,388		$	3,649		$	—	$	26,037
	(recorded in Cost of sales)
	Inventory loss (recorded in Cost	961			13,711			—		14,672
	of sales)
	Fixed asset write-offs and other(recorded in Cost of sales)	5,552			1,278			—		6,830
	Accelerated depreciation	—			—			2,312		2,312
	(recorded in Research
	and development)
	Accelerated depreciation	—			—			608		608
	(recorded in Selling
	and administrative)
	Other (recorded in Selling	89			121			515		725
	and administrative)
	Severance and related costs	5,040			3,113			2,845		10,998
	(recorded in Rationalizations)
	Contract terminations	469			146			11		626
	(recorded in Rationalizations)
	Impairment of long-lived assets				121,570			—		121,570
	Total 2014 rationalization	$	34,499		$	143,588		$	6,291	$	184,378
	and related charges
	2013 Industrial Materials Rationalization
	On October 31, 2013, we announced a global initiative to reduce our Industrial Materials segment's cost base and improve our competitive position. As part of this initiative, we ceased production at our two highest cost graphite electrode plants, located in Brazil and South Africa, as well as a machine shop in Russia. Our graphite electrode capacity was reduced by approximately 60,000 metric tons as a result of these actions. In parallel, we adopted measures for reductions in overhead and related corporate operations. These actions and measures reduced global headcount by approximately 600 people, or approximately 20 percent of our global workforce. These actions were substantially completed during the first half of 2014.
	2013 Engineered Solutions Rationalization
	In order to optimize our Engineered Solutions platform and improve our cost structure, we also initiated actions to centralize certain operations and reduce overhead in our Engineered Solutions segment. These actions reduced global headcount by approximately 40 people and were substantially completed during 2014.
	Total 2013 Rationalization Initiatives Impact to Financial Results
	During 2013 and 2014, as a result of the 2013 rationalization initiatives we incurred rationalization charges of $20.2 million and $0.9 million, respectively, related to severance and contract termination costs. We also incurred non-cash accelerated depreciation charges of $28.3 million and $23.2 million in 2013 and 2014, respectively. Other rationalization-related charges recorded in cost of sales in 2013 were $17.2 million, representing fixed asset write offs and other charges, including cleaning and dismantling costs and loss reserves for inventory. Other rationalization-related charges recorded in cost of sales in 2014 were $7.1 million, and primarily comprised of inventory write-offs.
	Charges incurred related to the 2013 rationalization initiatives for the twelve months ended December 31, 2013 and December 31, 2014 are as follows:
		For the Year Ended December 31, 2013
		Industrial Materials Segment			Engineered Solutions Segment			Corporate, R&D and Other		Total
		(Dollars in thousands)
	Accelerated depreciation	$	28,326		$	—		$	—	$	28,326
	(recorded in Cost of sales)
	Inventory loss (recorded in Cost	7,886			896			—		8,782
	of sales)
	Fixed asset write-offs and other(recorded in Cost of sales)	6,104			2,274			—		8,378
	Other (recorded in Selling	59			—			—		59
	and administrative)
	Severance and related costs	17,072			458			1,816		19,346
	(recorded in Rationalizations)
	Contract terminations	810			—			—		810
	(recorded in Rationalizations)
	Total 2013 rationalization plan	$	60,257		$	3,628		$	1,816	$	65,701
	and related charges
	For the Year Ended December 31, 2014
	Industrial Materials Segment			Engineered Solutions Segment			Corporate, R&D and Other		Total
	(Dollars in thousands)
Accelerated depreciation	$	22,388		$	827		$	—	$	23,215
(recorded in Cost of sales)
Inventory loss (recorded in Cost	961			485			—		1,446
of sales)
Fixed asset write-offs and other(recorded in Cost of sales)	5,374			233			—		5,607
Other (recorded in Selling	89			—			—		89
and administrative)
Severance and related costs	433			(28		)	—		405
(recorded in Rationalizations)
Contract terminations	469			—			—		469
(recorded in Rationalizations)
Total 2014 rationalization plan	$	29,714		$	1,517		$	—	$	31,231
and related charges
The following table represents the roll-forward of the liability incurred for employee termination benefits and contract termination costs incurred in connection with the the rationalization initiatives described above. This liability is recorded as a current liability on the Consolidated Balance Sheet.
	(Dollars in thousands)
Balance as of December 31, 2012	$	—
Charges incurred	16,159
Change in estimates	3,997
Payments and settlements	(1,506		)
Effect of change in currency exchange rates	(229		)
Balance as of December 31, 2013	18,421
Charges incurred	613
Change in estimates	153
Payments and settlements	(16,494		)
Effect of change in currency exchange rates	(1,658		)
Balance as of December 31, 2014	$	1,035
2014 Engineered Solutions Rationalization
On July 29, 2014, we announced additional rationalization initiatives to increase profitability, reduce cost and improve global competitiveness in our Engineered Solutions segment. During the second quarter of 2014, worldwide pricing of our isomolded graphite products ("isomolded") within our Advanced Graphite Material ("AGM") product group, as well as our expectation of future pricing, significantly eroded, driven by significant over-capacity and recent competitor responses. In addition, solar product demand continued to erode, with polysilicon, silicon and silicon wafer production migrating to China. New competitors servicing this industry commenced production in China at pricing levels making the market now unprofitable. As a result of these conditions, the Company decided to cease isomolded production and pursue alternative supply chain relationships in our isomolded product line.
As a result of the above, we tested our long-lived assets used to produce advanced graphite materials for recovery, based on undiscounted cash flows from the use and eventual disposition of these assets. The carrying value of the assets exceeded these undiscounted cash flow and, accordingly, we estimated the fair-value of these long-lived assets based on a market participant view. This resulted in an impairment charge totaling 121.6 million during 2014, and included the impairment of certain acquired customer relationship and technology intangible assets. Goodwill associated with this line of business of $0.4 million was fully impaired, and included in the 121.6 million charge. Other impairment related charges, primarily inventory write-downs, were $19.8 million in 2014. If business conditions and plans do not achieve our expected returns in the Engineered Solutions segment, we may undertake additional restructurings, rationalizations or similar actions which could result in additional charges, write-offs and impairments.
Charges incurred related to the 2014 Engineered Solutions rationalization initiatives in 2014 are as follows:
	For the Year Ended December 31, 2014
Accelerated depreciation (recorded in Cost of sales)	$	2,802
Inventory losses (recorded in Cost of sales)	13,225
Fixed asset write-offs and other (recorded in Cost of sales)	1,046
Severance and related charges (recorded in Rationalizations)	2,498
Contract terminations and other (recorded in Rationalizations)	195
Impairments (recorded in Impairments)	121,570
Total Engineered Solutions rationalization	$	141,336
and related charges
The 2014 Engineered Solutions rationalization will result in approximately $25 million of pre-tax charges (excluding impairments of $121.6 million). During 2014 we have incurred $19.8 million related to this program.
The following table represents the roll-forward of the liability incurred for employee termination benefits and contract termination costs incurred in connection with the 2014 Engineered Solutions rationalization initiatives described above. This liability is recorded as a current liability on the Consolidated Balance Sheet.
	(Dollars in thousands)
Balance as of December 31, 2013	$	—
Charges incurred	2,611
Change in estimates	(40		)
Payments and settlements	(916		)
Effect of change in currency exchange rates	—
Balance as of December 31, 2014	$	1,655
2014 Corporate and Research & Development Rationalization
During the third quarter of 2014, we announced the conclusion of another phase of our on-going company-wide cost savings assessment. This resulted in changes to the Company’s operating and management structure in order to streamline, simplify and decentralize the organization. These actions will reduce costs by a combination of reduced contractor costs, attrition, early retirements and layoffs. Additionally, the Company will downsize its corporate functions by approximately 25 percent, relocate to a smaller, more cost effective corporate headquarters and establish a new Technology and Innovation Center.
Charges incurred related to the 2014 Corporate and Research & Development rationalization initiatives for 2014 are as follows:
	For the Year Ended December 31, 2014
	(dollars in thousands)
Accelerated depreciation (recorded in Cost of sales)	$	20
Fixed asset write offs (recorded in Cost of sales)	178
Accelerated depreciation (recorded in R&D)	2,312
Accelerated depreciation (recorded in Selling and administrative)	608
Other charges (recorded in Selling and administrative)	515
Severance and related costs (recorded in Rationalizations)	8,096
Contract terminations (recorded in Rationalizations)	84
Total 2014 corporate rationalization	$	11,813
and related charges
The 2014 Corporate and Research and Development rationalization plan will result in approximately $20 million of charges consisting of severance, accelerated depreciation and other related costs. Approximately $12 million of these costs will be cash outlays, the majority of which are expected to be disbursed in 2015.
The following table represents the roll-forward of the liability incurred for employee termination benefits and contract termination costs incurred in connection with the 2014 Corporate and Research & Development rationalization initiatives described above. This liability is recorded as a current liability on the Consolidated Balance Sheet.
	(Dollars in thousands)
Balance as of December 31, 2013	$	—
Charges incurred	8,159
Change in estimates	21
Payments and settlements	(1,155		)
Effect of change in currency exchange rates	(152		)
Balance as of December 31, 2014	$	6,873

Segment_Reporting

Segment Reporting	12 Months Ended
	Dec. 31, 2014
Segment Reporting Information, Revenue for Reportable Segment [Abstract]
Segment Reporting	Segment Reporting
	We operate in two reportable segments: Industrial Materials and Engineered Solutions.
	Industrial Materials. Our Industrial Materials segment manufactures and delivers high quality graphite electrodes, refractory products and needle coke products. Electrodes are key components of the conductive power systems used to produce steel and other non-ferrous metals. Refractory products are used in blast furnaces and submerged arc furnaces due to their high thermal conductivity and the ease with which they can be machined to large or complex shapes. Needle coke, a crystalline form of carbon derived from decant oil, is the key ingredient in, and is used primarily in, the production of graphite electrodes.
	Engineered Solutions. The Engineered Solutions segment includes advanced electronics technologies, advanced graphite materials, advanced composite materials and advanced materials. Advanced electronics technologies products consist of electronic thermal management solutions, and sealing materials. Advanced graphite materials are highly engineered synthetic graphite products used in many areas due to their unique properties and the ability to tailor them to specific solutions. These products are used in transportation, alternative energy, metallurgical, chemical, oil and gas exploration and various other industries. Advanced composite materials are highly engineered carbon products that are woven into various shapes to primarily support the aerospace and defense industries. Advanced materials use carbon and graphite powders as components or additives in a variety of industries, including metallurgical processing, battery and fuel cell components, and polymer additives.
	We continue to evaluate the performance of our segments based on segment operating income. Intersegment sales and transfers are not material and the accounting policies of the reportable segments are the same as those for our Consolidated Financial Statements as a whole. Prior to 2014, certain global expenses such as research and development, shared IT and accounting services as well as corporate headquarter’s finance, HR, legal and executive management were allocated to the segments mostly based on each segment’s contribution to consolidated sales. During 2014, as part of our initiative to decentralize the organization and reduce the costs of the global headquarter functions, the performance measure of our existing segments was changed to reflect our new management and operating structure. We currently exclude such expenses from the segment operating income measure and report them under “Corporate, R&D and Other Expenses” in order to reconcile to the consolidated operating income of the Company.
	The following tables summarize financial information concerning our reportable segments and all prior periods have been recast to reflect our new methodology:
		For the year Ended
		December 31,
		2012			2013			2014
		(Dollars in thousands)
	Net sales to external customers:
	Industrial Materials	$	1,025,571		$	909,448		$	840,103
	Engineered Solutions	222,693			257,226			245,201
	Total net sales	$	1,248,264		$	1,166,674		$	1,085,304
	Segment operating income (loss):
	Industrial Materials	$	197,335		$	20,007		$	(50,260	)
	Engineered Solutions	22,374			28,392			(138,271		)
	Corporate, R&D and Other expenses	$	(63,241	)	$	(50,969	)	$	(67,089	)
	Total segment operating income (loss)	$	156,468		$	(2,570	)	$	(255,620	)
	Reconciliation of segment operating income to income from continuing operations before provision for income taxes
	Other expense (income), net	(1,005		)	1,698			2,445
	Interest expense	23,247			36,037			37,057
	Interest income	(261		)	(203		)	(330		)
	Income (loss) before provision for income taxes	$	134,487		$	(40,102	)	$	(294,792	)
	Operating income (loss) for the year ended December 31, 2014 also includes for Industrial Materials $75.7 million of goodwill impairment charge and for Engineered Solutions $121.6 million of impairment charge for long-lived assets. Operating income (loss) noted above for the year ended December 31, 2014 includes rationalization related charges of $34.5 million in Industrial materials, $22.0 million in Engineered Solutions, and $6.3 million in Corporate, R&D and Other expenses as well as a pension mark-to-market loss of $3.5 million in Industrial materials, $9.2 million in Engineered solutions and $6.3 million in Corporate, R&D and Other expenses. We incurred a $4.8 million charge for losses related to the bankruptcy of a major customer in the Advanced Graphite Materials business. Corporate, R&D and Other expenses include $2.4 million of fees associated with proxy contest costs in 2014.
	Operating income (loss) for the year ended December 31, 2013 includes rationalization-related charges of $60.3 million for Industrial materials, $3.6 million for Engineered solutions and $1.8 million for Corporate, R&D and Other as well as Pension mark-to-market gain of $4.2 million in Industrial Materials, $5.9 million in Engineered Solutions and $4.2 million in All Other.
	Assets are managed based on geographic location because certain reportable segments share certain facilities. Assets by reportable segment are estimated based on the value of long-lived assets at each location and the activities performed at the location.
		At December 31,
		2013			2014
		(Dollars in thousands)
	Long-lived assets (a):
	Industrial Materials.	$	601,322		$	552,155
	Engineered Solutions	219,663			101,885
	Total long-lived assets	$	820,985		$	654,040
	The following tables summarize information as to our operations in different geographic areas.
		For the year Ended
		December 31,
		2012			2013			2014
		(Dollars in thousands)
	Net sales:
	U.S.	$	372,014		$	289,866		$	284,209
	Americas	195,748			177,602			180,070
	Asia Pacific	235,658			220,945			192,230
	Europe, Middle East, Africa	444,844			478,261			428,795
	Total	$	1,248,264		$	1,166,674		$	1,085,304
		At December 31,
		2013			2014
		(Dollars in thousands)
	Long-lived assets (a):
	U.S. and Canada	$	540,274		$	431,601
	Mexico	83,428			89,731
	Brazil	26,008			9,492
	France	61,264			49,602
	Spain	82,051			70,648
	South Africa	16,408			2,064
	Switzerland	4,618			287
	Other countries	6,934			615
	Total	$	820,985		$	654,040
	(a)	Long-lived assets represent fixed assets, net of accumulated depreciation.

Supply_Chain_Financing

Supply Chain Financing	12 Months Ended
	Dec. 31, 2014
Supply Chain Financing [Abstract]
Supply Chain Financing	Supply Chain Financing
	We had a supply chain financing arrangement with a financing party. Under this arrangement, we essentially assigned our rights to purchase needle coke from a supplier to the financing party. The financing party purchased the product from a supplier under the standard payment terms and then immediately resold it to us under longer payment terms. The financing party paid the supplier the purchase price for the product and then we paid the financing party. Our payment to the financing party for this needle coke included a mark-up (the “Mark-Up”). The Mark-Up was a premium expressed as a percentage of the purchase price. Based on the terms of the arrangement, the total amount that we owed to the financing party could not exceed $49.3 million at any point in time.
	We recorded the inventory once title and risk of loss transfered from the supplier to the financing party. We recorded our liability to the financing party as an accrued liability. Our liability under this arrangement was $9.5 million as of December 31, 2013 and we recognized Mark-Up of $0.5 million as interest expense in the twelve months ended December 31, 2013. We did not utilize this arrangement during 2014.

Goodwill_And_Other_Intangible_

Goodwill And Other Intangible Assets	12 Months Ended
	Dec. 31, 2014
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill And Other Intangible Assets	Goodwill and Other Intangible Assets
	Goodwill represents, for the business that we have acquired, the excess of the purchase consideration over the fair value of acquired identifiable tangible and intangible assets, net of liabilities assumed. As of December 31, 2013, goodwill of $496.4 million was assigned to the Graphite Electrode and the Needle coke Reporting units within the Industrial Materials segment, while $0.4 million was assigned to the Advanced Graphite Materials Reporting unit within the Engineered Solutions segment.
	As a result of the deteriorating market conditions impacting our AGM product group, as discussed in Note 2, goodwill assigned to our AGM reporting unit of $0.4 million was written off in the second quarter of 2014.
	Goodwill is tested for impairment at the reporting unit level on an annual basis and between annual tests if an event occurs or circumstances change that would more likely than not reduce the fair value of a reporting unit below its carrying value. During our annual testing of goodwill as of December 31, 2014, we determined that the needle coke reporting unit failed the first step of the goodwill impairment test. The second step of the goodwill impairment analysis resulted in an impairment charge of $75.7 million of the goodwill assigned to the Needle Coke reporting unit.
	In the first step of the analysis, we compared the estimated fair value of each reporting unit to their carrying value, including goodwill. The fair value of the reporting units was determined based on an income approach, using discounted cash flow ("DCF") models from a market participant’s perspective, as required by the fair value guidance. These DCF models included twelve or more years of forecasted cash flows, plus an estimated terminal value. For the first several years in the models, the cash flows were based upon the current operating and capital plans as prepared by management and approved by executive management, adjusted to reflect the perspective of potential market participants. These adjustments include the use of observed and forecast market prices for needle coke when determining both the revenue for the Needle Coke reporting unit and the input costs for the Graphite Electrode reporting unit. Beyond the first several years, the DCF model reflects known trends of cycles in the industry and incorporates them in the terminal value. Actual results may differ from those assumed in the Company’s forecast. Discount rates applied to the forecasted cash-flows are based on appropriately weighted average cost of capital ("WACC"). Company specific beta and mix of debt to equity are inputs into the determination of the discount rate, which is then qualitatively assessed from the standpoint of potential market participants. A discount rate of 10.5% was used for both reporting units.
	As a result of the first step described above, the fair value of the Graphite Electrode reporting unit exceeded its carrying value by over 10%. The DCF model for Graphite Electrode is based on existing operating performance, as adjusted for current trends, as well as known or expected near-term changes in product mix, operating costs, operating configuration and system-wide capacity. These plans also incorporated required or anticipated near-term capital projects and working capital changes. In a DCF model, the earlier years have a more pronounced impact on the calculated value as compared to later periods. As such, if economic conditions were to deteriorate or events were to occur resulting in the ultimate operating results for these initial years being significantly lower than what is reflected in the DCF, that would have an unfavorable effect on the estimated fair value of the Graphite Electrode reporting unit.
	As a result of the first step of the analysis described earlier, the fair value of the Needle Coke reporting unit was less than its carrying value. Consequently, we performed the second step of the impairment analysis in order to determine the implied fair value of the goodwill associated with the reporting unit. The implied fair value of goodwill represents the excess of the fair value of the reporting unit over the sum of the fair value amounts assigned to all of the assets and liabilities of the reporting unit as if it were to be acquired in a business combination and the current fair value of the reporting unit (as calculated in the first step) was the purchase consideration. The implied fair value of goodwill was then compared to the carrying value of the goodwill to determine the impairment of $75.7 million.
	The impairment of the Needle Coke reporting unit‘s goodwill was a result of our reassessment of the estimated future cash-flows, triggered by pricing declines in the needle coke market in the fourth quarter of 2014. Additionally the market capitalization of the Company has been below its book value since last quarter-end and led us to reconsider the previous long-term views of the cash-flows of the reporting units. Due to these factors, we decreased the long-term estimates of the cash-flows of the Needle Coke reporting unit that are utilized in assessing goodwill for impairment.
	As an additional corroboration, the aggregate of the fair value of all reporting units, after deduction of the corporate debt, was compared to the Company’s market capitalization. The implied control premium resulting from this comparison was found to be within a reasonable range. As such it corroborated the estimated fair value of the reporting units utilized in the goodwill impairment test.
	The changes in the Company’s carrying value of goodwill during the years ended December 31, 2013 and 2014 are as follows:
		Total
		(Dollars in Thousands)
	Balance as of December 31, 2012	$	498,261
	Translation effect	(1,451		)
	Balance as of December 31, 2013	496,810
	Impairment	(76,063		)
	Translation effect	(618		)
	Balance as of December 31, 2014	$	420,129
	The following table summarizes acquired intangible assets with determinable useful lives by major category as of December 31, 2013 and 2014:
		2013								2014
		Gross			Accumulated			Net		Gross		Accumulated			Net
		Carrying			Amortization			Carrying		Carrying		Amortization /			Carrying
		Amount						Amount		Amount		Impairment			Amount
		(Dollars in Thousands)								(Dollars in Thousands)
	Trade name	7,900			(3,944		)	3,956		7,900		(4,817		)	3,083
	Technology and know-how	43,349			(18,582		)	24,767		43,349		(24,940		)	18,409
	Customer related intangible	110,798			(44,664		)	66,134		110,798		(57,192		)	53,606
	Total finite-lived intangible assets	$	162,047		$	(67,190	)	$	94,857	$	162,047	$	(86,949	)	$	75,098
	Amortization expense of intangible assets in 2012, 2013 and 2014 was $22.3 million, $20.5 million and $19.0 million, respectively. Additionally, approximately $0.8 million of intangibles were written off in the second quarter of 2014 in connection with the Engineered Solutions rationalization program. Estimated annual amortization expense for the next five years will approximate $17.1 million in 2015, $13.1 million in 2016, $11.8 million in 2017, $10.7 million in 2018 and $9.2 million in 2019.

LongTerm_Debt_And_Liquidity

Long-Term Debt And Liquidity	12 Months Ended
	Dec. 31, 2014
Long-term Debt and Capital Lease Obligations [Abstract]
Long-Term Debt And Liquidity	Debt and Liquidity
	The following table presents our long-term debt:
		As of December 31,
		2013		2014
		(Dollars in thousands)
	Revolving Facility	$	64,000	$	40,000
	Senior Notes	300,000		300,000
	Senior Subordinated Notes	175,675		—
	Other debt	1,918		1,615
	Total Long-Term Debt	$	541,593	$	341,615
	The following table presents our short-term debt:
		As of December 31,
		2013		2014
		(Dollars in thousands)
	Senior Subordinated Notes	—		187,973
	Other debt	1,161		131
	Total Short-Term Debt	$	1,161	$	188,104
	Revolving Facility
	On October 7, 2011, we completed the refinancing of our principal revolving credit facility (“Revolving Facility”). Borrowers under the Revolving Facility were GrafTech Finance Inc. (“GrafTech Finance”) and GrafTech Switzerland S.A. (“Swissco”), both wholly-owned subsidiaries. On April 20, 2012, as permitted by Section 9.19 of the October 7, 2011 Credit Agreement, we entered into an Amended and Restated Credit Agreement pursuant to which, on August 28, 2012, GrafTech Luxembourg II S.à.r.l. (“Luxembourg Holdco”) replaced Swissco as a Borrower. Swissco is no longer entitled to borrow Loans under the Revolving Facility although it is entitled to request letters of credit thereunder only for its own use.
	The interest rate applicable to the Revolving Facility is, at GrafTech’s option, either LIBOR plus a margin ranging from 1.5% to 2.25% (depending on our total net leverage ratio) or, in the case of dollar denominated loans, the alternate base rate plus a margin ranging from 0.50% to 1.25% (depending upon such ratio or rating). The alternate base rate is the highest of (i) the prime rate announced by JPMorgan Chase Bank, N.A., (ii) the federal fund effective rate plus one-half of 1.0% and (iii) the London interbank offering rate (as adjusted) for a one-month period plus 1.0%. The borrowers pay a per annum fee ranging from 0.25% to 0.40% (depending on such ratio) on the undrawn portion of the commitments under the Revolving Facility.
	The financial covenants require us to maintain a minimum cash interest coverage ratio of 3.00 to 1.00 and a maximum senior secured leverage ratio of 2.25 to 1.00, subject to adjustment for certain events. As of December 31, 2014, we were in compliance with all financial and other covenants contained in the Revolving Facility, as applicable.
	On November 19, 2014, we initiated an amendment to our Credit Agreement with the lenders party thereto and JPMorgan Chase Bank, N.A., as Administrative Agent, Collateral Agent, Issuing Bank and Swingline Lender. The amendment includes modification to the definition of EBITDA to exclude certain restructuring costs, increasing availability of borrowings thereunder, and modification of the maximum principal amount to $400 million.
	On February 27, 2015, GrafTech and certain of its subsidiaries entered into an Amended and Restated Credit Agreement that provides for, among other things, greater financial flexibility and a new $40 million senior secured delayed draw term loan facility. See Note 18 to the financial statements for additional details.
	Senior Notes
	On November 20, 2012, GrafTech International Ltd. issued $300 million principal amount of 6.375% Senior Notes due 2020. These Senior Notes are the Company's senior unsecured obligations and rank pari passu with all of the Company's existing and future senior unsecured indebtedness. The Senior Notes are guaranteed on a senior unsecured basis by each of the Company's existing and future subsidiaries that guarantee certain other indebtedness of the Company or another guarantor.
	The Senior Notes bear interest at a rate of 6.375% per year, payable semi-annually in arrears on May 15 and November 15 of each year, commencing on May 15, 2013. The Senior Notes mature on November 15, 2020.
	The Company is entitled to redeem some or all of the Senior Notes at any time on or after November 15, 2016, at the redemption prices set forth in the Indenture. In addition, prior to November 15, 2016, the Company may redeem some or all of the Senior Notes at a price equal to 100% of the principal amount thereof, plus accrued and unpaid interest, if any, plus a “make whole” premium determined as set forth in the Indenture. The Company is also entitled to redeem up to 35% of the aggregate principal amount of the Senior Notes before November 15, 2015 with the net proceeds from certain equity offerings at a redemption price of 106.375% of the principal amount plus accrued and unpaid interest, if any.
	If, prior to maturity, a change in control (as defined in the Indenture) of the Company occurs and thereafter certain downgrades of the ratings of the Senior Notes as specified in the Indenture occur, the Company will be required to offer to repurchase any or all of the Senior Notes at a repurchase price equal to 101% of the aggregate principal amount of the Senior Notes, plus any accrued and unpaid interest.
	The Senior Notes are subject to covenants that, among other things, limit the ability of the Company and certain of its subsidiaries to: (i) create liens or use assets as security in other transactions; (ii) engage in certain sale/leaseback transactions; and (iii) merge, consolidate or sell, transfer, lease or dispose of substantially all of their assets.
	The Senior Notes are subject to customary events of default, including (i) failure to pay principal or interest on the Senior Notes when due and payable, (ii) failure to comply with covenants or agreements in the Indenture or the Senior Notes which failures are not cured or waived as provided in the Indenture, (iii) failure to pay indebtedness of the Company, any Subsidiary Guarantor or Significant Subsidiary (as defined in the Indenture) within any applicable grace period after maturity or acceleration and the total amount of such indebtedness unpaid or accelerated exceeds $50.0 million, (iv) certain events of bankruptcy, insolvency, or reorganization, (v) failure to pay any judgment or decree for an amount in excess of $50.0 million against the Company, any Subsidiary Guarantor or any Significant Subsidiary that is not discharged, waived or stayed as provided in the Indenture, (vi) cessation of any subsidiary guarantee to be in full force and effect or denial or disaffirmance by any Subsidiary Guarantor of its obligations under its subsidiary guarantee, and (vii) a default under the Company's Senior Subordinated Notes. In the case of an event of default, the principal amount of the Senior Notes plus accrued and unpaid interest may be accelerated.
	The Senior Notes are registered under the Securities Act of 1933, as amended.
	Senior Subordinated Notes
	On November 30, 2010, in connection with the Acquisitions, we issued Senior Subordinated Notes for an aggregate total face amount of $200 million. These Senior Subordinated Notes are non-interest bearing and mature in 2015. Because the promissory notes are non-interest bearing, we were required to record them at their present value (determined using an interest rate of 7%). The difference between the face amount of the promissory notes and their present value is recorded as debt discount. The debt discount will be amortized to income using the interest method, over the life of the promissory notes. The loan balance, net of unamortized discount, was $188.0 million as of December 31, 2014. This balance was reclassified in November 2014 to short-term debt on our balance sheet as the maturity date is within one year.

Fair_Value_Measurements_And_De

Fair Value Measurements And Derivative Instruments	12 Months Ended
	Dec. 31, 2014
Fair Value Measurements And Derivative Instruments [Abstract]
Fair Value Measurements And Derivative Instruments	Fair Value Measurements and Derivative Instruments
	Fair Market Value Measurements
	Depending on the inputs, we classify each fair value measurement as follows:
	•	Level 1 – based upon quoted prices for identical instruments in active markets,
	•	Level 2 – based upon quoted prices for similar instruments, prices for identical or similar instruments in markets that are not active, or model-derived valuations of all of whose significant inputs are observable, and
	•	Level 3 – based upon one or more significant unobservable inputs.
	The following section describes key inputs and assumptions used in valuation methodologies of our assets and liabilities measured at fair value on a recurring basis:
	Cash and cash equivalents, short-term notes and accounts receivable, accounts payable and other current payables – The carrying amount approximates fair value because of the short maturity of these instruments.
	Debt – Fair value of debt, which was determined using Level 2 inputs, as of December 31, 2013 was $549.8 million versus a book value of $541.6 million. As of December 31, 2014 the fair value was $473.3 million, versus a book value of $529.7 million.
	Foreign currency derivatives – Foreign currency derivatives are carried at market value using Level 2 inputs. The outstanding contracts as of December 31, 2013 and 2014 represented unrealized losses of $0.1 million and $0.9 million, respectively.
	Commodity derivative contracts – Commodity derivative contracts are carried at fair value. We determine the fair value using observable, quoted natural gas and refined oil product prices that are determined by active markets and therefore classify the commodity derivative contracts as Level 2. The outstanding commodity derivative contracts represented an unrealized gain of $0.8 million as of December 31, 2013 and an unrealized loss of $7.1 million as of December 31, 2014.
	Derivative Instruments
	We use derivative instruments as part of our overall foreign currency and commodity risk management strategies to manage the risk of exchange rate movements that would reduce the value of our foreign cash flows and to minimize commodity price volatility. Foreign currency exchange rate movements create a degree of risk by affecting the value of sales made and costs incurred in currencies other than the US Dollar.
	Certain of our derivative contracts contain provisions that require us to provide collateral. Since the counterparties to these financial instruments are large commercial banks and similar financial institutions, we do not believe that we are exposed to material counterparty credit risk. We do not anticipate nonperformance by any of the counter-parties to our instruments.
	Foreign currency derivatives
	We enter into foreign currency derivatives from time to time to attempt to manage exposure to changes in currency exchange rates. These foreign currency instruments, which include, but are not limited to, forward exchange contracts and purchased currency options, attempt to hedge global currency exposures such as foreign currency denominated debt, sales, receivables, payables, and purchases. Forward exchange contracts are agreements to exchange different currencies at a specified future date and at a specified rate. There was no ineffectiveness on these contracts during the twelve months ended December 31, 2013 or 2014.
	In 2013 and 2014, we entered into foreign forward currency derivatives as hedges of anticipated cash flows denominated in the Mexican peso, Brazilian real, South African rand, euro and Japanese yen. These derivatives were entered into to protect the risk that the eventual cash flows resulting from such transactions will be adversely affected by changes in exchange rates between the US dollar and the Mexican peso, Brazilian real, South African rand, euro and Japanese yen. As of December 31, 2013, we had outstanding Mexican peso, Brazilian real, South African rand, euro, and Japanese yen currency contracts, with aggregate notional amounts of $138.6 million. As of December 31, 2014, we had outstanding Mexican peso, Brazilian real, South African rand, euro and Japanese yen currency contracts, with aggregate notional amounts of $95.2 million. The foreign currency derivatives outstanding as of December 31, 2014 have several maturity dates ranging from January 2015 to October 2015.
	Commodity derivative contracts
	We periodically enter into derivative contracts for natural gas and certain refined oil products. These contracts are entered into to protect against the risk that eventual cash flows related to these products will be adversely affected by future changes in prices. There was no ineffectiveness on these contracts during the twelve months ended December 31, 2013 or 2014. As of December 31, 2013 and 2014, we had outstanding derivative swap contracts for refined oil products with aggregate notional amounts of $45.8 million and $17.8 million, respectively. The outstanding 2014 contracts have maturity dates ranging from January 2015 to March 2015.
	Net Investment Hedges
	We use certain intercompany debt to hedge a portion of our net investment in our foreign operations against currency exposure (net investment hedge). Intercompany debt designated in foreign currency and designated as a non-derivative net investment hedging instrument was $25.2 million and $15.8 million as of December 31, 2013 and December 31, 2014, respectively. Within our currency translation adjustment portion of other comprehensive income, we recorded gains of $4.7 million and $0.2 million in the year ended December 31, 2013 and December 31, 2014, respectively, resulting from these net investment hedges.
	The fair value of all derivatives is recorded as assets or liabilities on a gross basis in our Consolidated Balance Sheets. At December 31, 2013 and 2014, the fair value of our derivatives and their respective balance sheet locations are presented in the following table:
		Asset Derivatives						Liability Derivatives
		Location		Fair  Value				Location		Fair  Value
	As of December 31, 2013	(Dollars in Thousands)
	Derivatives designated as cash flow hedges:
	Foreign currency derivatives	Prepaid and other current assets		$	772			Other current liabilities		$	1,185
	Commodity derivative contracts	Prepaid and other current assets		834				Other current liabilities		—
	Total fair value			$	1,606					$	1,185
	As of December 31, 2014
	Derivatives designated as cash flow hedges:
	Foreign currency derivatives	Prepaid and other current assets		$	722			Other current liabilities		$	1,234
	Commodity derivative contracts	Prepaid and other current assets		—				Other current liabilities		7,067
	Total fair value			$	722					$	8,301
		Asset Derivatives						Liability Derivatives
		Location		Fair  Value				Location		Fair  Value
	As of December 31, 2013	(Dollars in Thousands)
	Derivatives not designated as hedges:
	Foreign currency derivatives	Prepaid and other current assets		$	328			Other current liabilities		$	24
	Total fair value			$	328					$	24
	As of December 31, 2014
	Derivatives not designated as hedges:
	Foreign currency derivatives	Prepaid and other current assets		$	80			Other current liabilities		$	428
	Total fair value			$	80					$	428
	The location and amount of realized (gains) losses on derivatives are recognized in the Statements of Income when the hedged item impacts earnings and are as follows for the years ended 2013 and 2014:
					Amount of (Gain)/Loss
					Recognized (Effective
					Portion)
			Location of (Gain)/Loss Reclassified from Other Comprehensive Income (Effective Portion)		2013				2014
					(Dollars in Thousands)
	Derivatives designated as cash flow hedges:
	Foreign currency derivatives, excluding tax of $(145) and $85, respectively		Cost of goods sold/Other expense / (income) / Revenue		$	1,445			$	(849	)
	Commodity forward derivatives, excluding tax of $(25) and $(120), respectively		Cost of goods sold / Revenue		$	70			$	328
					Amount of (Gain)/Loss
					Recognized
			Location of (Gain)/Loss Recognized in the Consolidated Statement of Income		2013				2014
					(Dollars in thousands)
	Derivatives not designated as hedges:
	Foreign currency derivatives		Cost of goods sold/Other expense (income)		$	(1,123	)		$	1,020
	Our foreign currency and commodity derivatives are treated as hedges and are required to be measured at fair value on a recurring basis. With respect to the inputs used to determine the fair value, we use observable, quoted rates that are determined by active markets and, therefore, classify the contracts as “Level 2”.

Interest_Expense

Interest Expense	12 Months Ended
	Dec. 31, 2014
Interest and Debt Expense [Abstract]
Interest Expense	Interest Expense
	The following table presents an analysis of interest expense:
		For the year Ended
		December 31,
		2012		2013		2014
		(Dollars in thousands)
	Interest incurred on debt	$	10,172	$	21,589	$	21,373
	Amortization of discount on Senior Subordinated Notes	10,742		11,493		12,298
	Amortization of debt issuance costs	1,712		2,504		3,339
	Supply Chain Financing mark-up	621		451		47
	Total interest expense	$	23,247	$	36,037	$	37,057
	Interest rates
	The Revolving Facility had an effective interest rate of 2.42% and 2.17% as of December 31, 2013 and 2014, respectively. The Senior Notes carry an interest rate of 6.375%. The Senior Subordinated Notes have an implied rate of 7.00%.

Other_Expense_Income_Net

Other Expense (Income), Net	12 Months Ended
	Dec. 31, 2014
Other Nonoperating Income (Expense) [Abstract]
Other Expense (Income), Net	Other Expense (Income), Net
	As part of our cash management, we have intercompany loans between our subsidiaries. These loans are deemed to be temporary and, as a result, remeasurement gains/losses are recorded in other expense(income), net, on the Consolidated Statements of Income. We had a net currency loss in 2013 of $1.5 million and a net currency gain of of $2.2 million in 2014, mainly due to the remeasurement of intercompany loans and the effect of transaction gains and losses on intercompany activities.
	Other income in 2012, also includes $4.0 million of insurance reimbursements for claims made related to flood damages incurred at our Clarksburg, West Virginia facility during 2011. Additionally, during 2013 we recorded a $2 million recovery for the favorable resolution of a previously recorded loss contingency.

Supplementary_Balance_Sheet_De

Supplementary Balance Sheet Detail	12 Months Ended
	Dec. 31, 2014
Balance Sheet Related Disclosures [Abstract]
Supplementary Balance Sheet Detail	Supplementary Balance Sheet Detail
	The following tables present supplementary balance sheet details:
		At December 31,
		2013			2014
		(Dollars in thousands)
	Inventories:
	Raw materials and supplies	$	175,192		$	122,218
	Work in process	239,114			176,141
	Finished goods	76,108			84,544
		490,414			382,903
	Prepaid expenses and other current assets:
	Prepaid expenses	$	9,554		$	9,923
	Current portion of deferred taxes	37,058			28,426
	Value added tax and other indirect taxes receivable	25,061			39,837
	Other current assets	2,117			3,437
		$	73,790		$	81,623
	Property, plant and equipment:
	Land and improvements	$	37,416		$	36,375
	Buildings	196,802			193,427
	Machinery and equipment and other	1,278,655			1,212,120
	Construction in progress	76,007			58,899
		$	1,588,880		$	1,500,821
	Other accrued liabilities:
	Payrolls (including incentive programs)	$	9,330		$	6,151
	Customer prepayments	9,599			5,534
	Employee compensation and benefits	10,136			8,932
	Other	11,874			22,702
		$	40,939		$	43,319
	Other long term obligations:
	Postretirement benefits	$	24,852		$	24,833
	Pension and related benefits	54,173			65,882
	Other	18,922			16,851
		$	97,947		$	107,566
	The following table presents an analysis of the allowance for doubtful accounts:
		At December 31,
		2012			2013			2014
		(Dollars in thousands)
	Balance at beginning of year	$	4,153		$	7,573		$	6,718
	Additions	5,161			2,914			8,675
	Deductions	(1,741		)	(3,769		)	(7,922		)
	Balance at end of year	$	7,573		$	6,718		$	7,471
	Inventories
	We allocate fixed production overheads to the costs of conversion based on normal capacity of the production facilities. We recognize abnormal amounts of idle facility expense, freight, handling costs, and wasted materials (spoilage) as current period charges. During 2012, costs in excess of normal absorption were $3.5 million. During 2013 and 2014, there were no costs in excess of normal absorption.

Commitments

Commitments	12 Months Ended
	Dec. 31, 2014
Commitments and Contingencies Disclosure [Abstract]
Commitments	Commitments
	Lease commitments under non-cancelable operating leases extending for one year or more will require the following future payments:
		(Dollars in thousands)
	2015	$	5,411
	2016	3,138
	2017	2,607
	2018	1,450
	2019	1,256
	After 2019	1,762
	Total lease and rental expenses under non-cancelable operating leases extending one year or more approximated $3.2 million in 2012, $2.6 million in 2013 and $7.1 million in 2014.

Retirement_Plans_And_Postretir

Retirement Plans And Postretirement Benefits	12 Months Ended
	Dec. 31, 2014
General Discussion of Pension and Other Postretirement Benefits [Abstract]
Retirement Plans And Postretirement Benefits	Retirement Plans and Postretirement Benefits
	Retirement Plans
	On February 26, 1991, we formed our own retirement plan covering substantially all our U.S. employees. Under our plan, covered employees earned benefit payments based primarily on their service credits and wages subsequent to February 26, 1991.
	Prior to that date, substantially all our U.S. employees were participants in the U.S. retirement plan of Union Carbide Corporation (“Union Carbide”). While service credit was frozen, covered employees continued to earn benefits under the Union Carbide plan based on their final average wages through February 26, 1991, adjusted for salary increases (not to exceed six percent per annum) through January 26, 1995, the date Union Carbide ceased to own a minimum 50% of the equity of GTI. The Union Carbide plan is responsible for paying retirement and death benefits earned as of February 26, 1991.
	Effective January 1, 2002, we established a defined contribution plan for U.S. employees. Certain employees had the option to remain in our defined benefit plan for an additional period of up to five years. Employees not covered by this option had their benefits under our defined benefit plan frozen as of December 31, 2001, and began participating in the defined contribution plan.
	Effective March 31, 2003, we curtailed our qualified benefit plan and the benefits were frozen as of that date for the U.S. employees who had the option to remain in our defined benefit plan. We also closed our non-qualified U.S. defined benefit plan for the participating salaried workforce. The employees began participating in the defined contribution plan as of April 1, 2003.
	We make quarterly contributions equal to 1% of each employee’s total eligible pay. The expense recorded for contributions to this plan was $1.0 million in 2012, $0.9 million in 2013 and $0.8 million in 2014. All such contributions were made using company stock.
	Pension coverage for employees of foreign subsidiaries is provided, to the extent deemed appropriate, through separate plans. Obligations under such plans are systematically provided for by depositing funds with trustees, under insurance policies or by book reserves.
	The components of our consolidated net pension costs are set forth in the following table.
		For the Year Ended December 31,
		2012							2013						2014
		U.S.				Foreign			U.S.			Foreign			U.S.			Foreign
		(Dollars in thousands)
	Service cost	$	610			$	1,095		$	870		$	1,177		$	750		$	1,107
	Interest cost	6,114				2,532			5,438			2,542			5,983			2,669
	Expected return on assets	(6,520		)		(2,299		)	(4,505		)	(2,339		)	(5,215		)	(2,516		)
	Amortization of prior service cost	—				24			—			25			—			2
	Curtailment gain	—				—			—			—			—			(28		)
	Mark-to-market loss (gain)	6,572				1,662			(11,907		)	(393		)	18,431			(534		)
		$	6,776			$	3,014		$	(10,104	)	$	1,012		$	19,949		$	700
	The primary driver of the mark-to-market losses in 2012 and gains in 2013 were changes in the discount rate due to interest rate fluctuations. The mark-to-market loss in 2014 was caused by changes in discount rates and mortality tables.
	Amounts recognized in other comprehensive income:
		For the Year Ended December 31,
		2012							2013						2014
		U.S.				Foreign			U.S.			Foreign			U.S.			Foreign
		(Dollars in thousands)
	Amortization of prior service cost	$	—			$	(24	)	$	—		$	(25	)	$	—		$	(26	)
	Addition to prior service cost	—				—			—			(246		)	—			—
	Effect of exchange rates	—				3			—			11			—			8
	Total recognized in other comprehensive loss	$	—			$	(21	)	$	—		$	(260	)	$	—		$	(18	)
	Total recognized in pension costs and other comprehensive loss	$	6,776			$	2,993		$	(10,104	)	$	752		$	19,949		$	682
	The reconciliation of the beginning and ending balances of our pension plans’ benefit obligations, fair value of assets, and funded status at December 31, 2013 and 2014 are:
		At December 31,
		2013							2014
		U.S.				Foreign			U.S.			Foreign
		(Dollars in thousands)
	Changes in Benefit Obligation:
	Net benefit obligation at beginning of year	$	151,469			$	80,311		$	134,787		$	78,421
	Service cost	870				1,177			750			1,107
	Interest cost	5,438				2,542			5,983			2,669
	Participant contributions	—				342			—			288
	Plan amendments / curtailments	—				(246		)	—
	Foreign currency exchange changes	—				1,549			—			(6,171		)
	Actuarial loss (gain)	(14,433		)		(3,257		)	21,456			11,935
	Benefits paid	(8,557		)		(3,997		)	(8,608		)	(5,646		)
	Net benefit obligation at end of year	$	134,787			$	78,421		$	154,368		$	82,603
	Changes in Plan Assets:
	Fair value of plan assets at beginning of year	$	91,319			$	71,750		$	90,875		$	72,685
	Actual return on plan assets	1,979				(517		)	8,240			14,971
	Foreign currency exchange rate changes	—				1,404			—			(5,479		)
	Employer contributions	6,134				3,703			8,947			909
	Participant contributions	—				342			—			288
	Actuarial loss	—				—			—			—
	Benefits paid	(8,557		)		(3,997		)	(8,608		)	(5,646		)
	Fair value of plan assets at end of year	$	90,875			$	72,685		$	99,454		$	77,728
	Funded status (underfunded):	$	(43,912	)		$	(5,736	)	$	(54,914	)	$	(4,875	)
	Amounts recognized in accumulated other comprehensive loss:
	Prior service credit	$	—			$	(6	)	$	—		$	(25	)
	Amounts recognized in the statement of financial position:
	Non-current assets	$	—			$	—		$	—		$	1,365
	Current liabilities	(440		)		(524		)	(439		)	(324		)
	Non-current liabilities	(43,472		)		(5,214		)	(54,475		)	(5,916		)
	Net amount recognized	$	(43,912	)		$	(5,738	)	$	(54,914	)	$	(4,875	)
	The accumulated benefit obligation for all defined benefit pension plans was $213.2 million and $237.0 million at December 31, 2013 and 2014, respectively.
Plan Assets
The accounting guidance on fair value measurements specifies a hierarchy based on the observability of inputs used in valuation techniques (Level 1, 2 and 3). See Note 7, “Fair Value Measurements and Derivative Instruments,” for a discussion of the fair value hierarchy.
The following describes the methods and significant assumptions used to estimate the fair value of the investments:
Cash and cash equivalents – Valued at cost. Cash equivalents are valued at net asset value as provided by the administrator of the fund.
Foreign government bonds – Valued by the trustees using various pricing services of financial institutions.
Debt securities – Valued by the trustee at year-end using various pricing services of financial institutions, including Interactive Data Corporation, Standard & Poor’s and Telekurs.
Equity securities – Valued at the closing price reported on the active market on which the security is traded.
Fixed insurance contract – Valued at the present value of the guaranteed payment streams.
Investment contracts – Valued at the total cost of annuity contracts purchased, adjusted for market differences from the date of purchase to year-end.
Collective trusts – Valued at the net asset value provided by the administrator of the fund. The net asset value is based on the value of the underlying assets owned by the fund, minus its liabilities, divided by the number of units outstanding.
The fair value of the plan assets by category is summarized below (dollars in thousands):
	31-Dec-13													31-Dec-14
	Level 1				Level 2			Level 3			Total			Level 1			Level 2			Level 3		Total
U.S. Plan Assets
Cash and cash equivalents	$	2,597			—			—			$	2,597		$	906		—			—		$	906
Collective trusts	—				88,278			—			88,278			—			$	98,548		—		98,548
Total	$	2,597			88,278			—			$	90,875		$	906		$	98,548		—		$	99,454
International Plan Assets
Cash and cash equivalents	$	2,549			—			—			$	2,549		$	1,364		—			—		$	1,364
Foreign government bonds	—				$	1,142		—			1,142			—			$	1,038		—		1,038
Investment contracts	—				—			$	58,129		58,129			—			—			$	61,990	61,990
Fixed insurance contracts	—				—			10,865			10,865			—			—			13,336		13,336
Total	$	2,549			$	1,142		$	68,994		$	72,685		$	1,364		$	1,038		$	75,326	$	77,728
The following table presents the changes for those financial instruments classified within Level 3 of the valuation hierarchy for international plan pension assets for the years ended December 31, 2013 and 2014 (dollars in thousands):
	Investment				Fixed Insurance
	Contracts				Contracts
Balance at January 1, 2013	$	60,344			$	10,051
Gain / contributions / currency impact	9,770				814
Distributions	(11,987		)		—
Balance at December 31, 2013	58,127				10,865
Gain / contributions / currency impact	5,585				2,471
Distributions	(1,722		)		—
Balance at December 31, 2014	$	61,990			$	13,336
We annually re-evaluate assumptions and estimates used in projecting pension assets, liabilities and expenses. These assumptions and estimates may affect the carrying value of pension assets, liabilities and expenses in our Consolidated Financial Statements. Assumptions used to determine net pension costs and projected benefit obligations are:
	Pension Benefit
	Obligations At
	December 31,
	2013			2014
Weighted average assumptions to determine benefit obligations:
Discount rate	4.2	%		3.33	%
Rate of compensation increase	2.42	%		2.08	%
	Pension Benefit
	Obligations At
	December 31,
	2013			2014
Weighted average assumptions to determine net cost:
Discount rate	3.58	%		4.2	%
Expected return on plan assets	4.29	%		4.77	%
Rate of compensation increase	2.44	%		2.42	%
We adjust our discount rate annually in relation to the rate at which the benefits could be effectively settled. Discount rates are set for each plan in reference to the yields available on AA-rated corporate bonds of appropriate currency and duration. The appropriate discount rate is derived by developing an AA-rated corporate bond yield curve in each currency. The discount rate for a given plan is the rate implied by the yield curve for the duration of that plan’s liabilities. In certain countries, where little public information is available on which to base discount rate assumptions, the discount rate is based on government bond yields or other indices and approximate adjustments to allow for the differences in weighted durations for the specific plans and/or allowance for assumed credit spreads between government and AA rated corporate bonds.
The expected return on assets assumption represents our best estimate of the long-term return on plan assets and generally was estimated by computing a weighted average return of the underlying long-term expected returns on the different asset classes, based on the target asset allocations. The expected return on assets assumption is a long-term assumption that is expected to remain the same from one year to the next unless there is a significant change in the target asset allocation, the fees and expenses paid by the plan or market conditions.
The rate of compensation increase assumption is generally based on salary increases.
Plan Assets. The following table presents our retirement plan weighted average asset allocations at December 31, 2014, by asset category:
	Percentage of Plan Assets
	as of December 31, 2014
	US			Foreign
Equity securities	20	%		—	%
Fixed income, debt securities, or cash	80	%		100	%
Total	100	%		100	%
Investment Policy and Strategy. The investment policy and strategy of the U.S. plan is to invest approximately 20% in equities and approximately 80% in fixed income securities. Rebalancing is undertaken monthly. To the extent we maintain plans in other countries, target asset allocation is 100% fixed income investments. For each plan, the investment policy is set within both asset return and local statutory requirements.
Information for our pension plans with an accumulated benefit obligation in excess of plan assets at December 31, 2013 and 2014 follows:
	2013							2014
	U.S.				Foreign			U.S.			Foreign
	(Dollars in thousands)
Accumulated benefit obligation	$	134,787			$	76,915		$	154,368		$	18,756
Fair value of plan assets	90,875				72,683			99,454			14,374
Information for our pension plans with a projected benefit obligation in excess of plan assets at December 31, 2013 and 2014 follows:
	2013							2014
	U.S.				Foreign			U.S.			Foreign
	(Dollars in thousands)
Projected benefit obligation	$	134,787			$	78,421		$	154,368		$	20,617
Fair value of plan assets	90,875				72,685			99,454			14,374
Following is our projected future pension plan cash flow by year:
	U.S.				Foreign
	(Dollars in thousands)
Expected contributions in 2015:
Expected employer contributions	$	9,084			$	974
Expected employee contributions	—				—
Estimated future benefit payments reflecting expected future service for the years ending December 31:
2015	8,941				3,826
2016	9,039				3,835
2017	9,166				3,918
2018	9,278				4,145
2019	9,340				3,904
2020-2024	47,554				22,523
Postretirement Benefit Plans
We provide life insurance benefits for eligible retired employees. These benefits are provided through various insurance companies. We accrue the estimated net postretirement benefit costs during the employees’ credited service periods.
In July 2002, we amended our U.S. postretirement medical coverage. In 2003 and 2004, we discontinued the Medicare Supplement Plan (for retirees 65 years or older or those eligible for Medicare benefits). This change applied to all U.S. active employees and retirees. In June 2003, we announced the termination of the existing early retiree medical plan for retirees under age 65, effective December 31, 2005. In addition, we limited the amount of retiree’s life insurance after December 31, 2004. These modifications are accounted for prospectively. The impact of these changes is being amortized over the average remaining period to full eligibility of the related postretirement benefits.
During 2009, we amended one of our U.S. plans to eliminate the life insurance benefit for certain non-pooled participants.
The components of our consolidated net postretirement costs are set forth in the following table.
	For the Year Ended December 31,
	2012							2013						2014
	U.S.				Foreign			U.S.			Foreign			U.S.			Foreign
	(Dollars in thousands)
Service cost	$	—			$	183		$	—		$	105		—			$	71
Interest cost	497				1,024			371			994			396			976
Amortization of prior service credit	—				(199		)	—			(193		)	—			(180		)
Plan amendment / curtailment	—				1,170			—			—			—			(294		)
Mark-to-market (gain) loss	60				551			(1,284		)	(1,210		)	1,151			1,456
	$	557			$	2,729		$	(913	)	$	(304	)	$	1,547		$	2,029
The primary driver of the mark-to-market losses in 2012 and gains in 2013 were changes in the discount rate due to interest rate fluctuations. The mark-to-market loss in 2014 was caused by changes in discount rates and mortality tables.
Amounts recognized in other comprehensive income are:
	For the Year Ended December 31,
	2012							2013						2014
	U.S.				Foreign			U.S.			Foreign			U.S.			Foreign
	(Dollars in thousands)
Amortization of prior service cost	$	—			$	199		$	—		$	193		$	—		$	180
Effect of exchange rates	—				(53		)	—			133			—			148
Total recognized in other comprehensive income	$	—			$	146		$	—		$	326		$	—		$	328
Total recognized in net post retirement cost (benefit) and other comprehensive income	$	557			$	2,875		$	(913	)	$	22		$	1,547		$	2,357
We estimate that in 2015 our postretirement costs will include amortization of $0.2 million of prior service credit from stockholders’ equity.
The reconciliation of beginning and ending balances of benefit obligations under, fair value of assets of, and the funded status of, our postretirement plans is set forth in the following table:
	Postretirement Benefits at
	December 31,
	2013							2014
	U.S.				Foreign			U.S.			Foreign
	(Dollars in thousands)
Changes in Benefit Obligation:
Net benefit obligation at beginning of year	$	13,506			$	19,188		$	11,275		$	15,645
Service cost	—				105			—			71
Interest cost	371				994			396			976
Foreign currency exchange rates	—				(2,183		)	—			(1,437		)
Actuarial loss (gain)	(1,284		)		(1,365		)	1,151			1,511
Gross benefits paid	(1,318		)		(1,161		)	(1,236		)	(1,068		)
Plan amendment	—				67			—			(294		)
Net benefit obligation at end of year	$	11,275			$	15,645		$	11,586		$	15,404
Changes in Plan Assets:
Fair value of plan assets at beginning of year	$	—			$	—		$	—		$	—
Employer contributions	1,318				1,161			1,236			1,068
Gross benefits paid	(1,318		)		(1,161		)	(1,236		)	(1,068		)
Fair value of plan assets at end of year	$	—			$	—		$	—		$	—
Funded status:	$	(11,275	)		$	(15,645	)	$	(11,586	)	$	(15,404	)
Amounts recognized in accumulated other comprehensive loss:
Prior service credit	$	—			$	1,882		$	—		$	1,554
Amounts recognized in the statement of financial position:
Current liabilities	$	(1,279	)		$	(1,035	)	$	(1,204	)	$	(953	)
Non-current liabilities	(9,996		)		(14,610		)	(10,382		)	(14,451		)
Net amount recognized	$	(11,275	)		$	(15,645	)	$	(11,586	)	$	(15,404	)
We annually re-evaluate assumptions and estimates used in projecting the postretirement liabilities and expenses. These assumptions and estimates may affect the carrying value of postretirement plan liabilities and expenses in our Consolidated Financial Statements. Assumptions used to determine net postretirement benefit costs and postretirement projected benefit obligation are set forth in the following table:
	Postretirement
	Benefit
	Obligations At
	December 31,
	2013			2014
Weighted average assumptions to determine benefit obligations:
Discount rate	5.41	%		4.82	%
Health care cost trend on covered charges:
Initial	7.42	%		6.55	%
Ultimate	6.23	%		6.18	%
Years to ultimate	3			1
	Postretirement
	Benefit
	Costs At
	December 31,
	2013			2014
Weighted average assumptions to determine net cost:
Discount rate	4.44	%		5.29	%
Health care cost trend on covered charges:
Initial	7.52	%		7.39	%
Ultimate	5.94	%		6.18	%
Years to ultimate	3			2
Assumed health care cost trend rates have a significant effect on the amounts reported for our postretirement benefits. A one-percentage point change in assumed health care cost trend rates would have the following effects at December 31, 2014:
	One Percentage							One Percentage
	Point Increase							Point Decrease
	U.S.				Foreign			U.S.			Foreign
	(Dollars in thousands)
Effect on total service cost and interest cost components	$	3			$	107		$	(3	)	$	(87	)
Effect on benefit obligations	$	116			$	1,019		$	(110	)	$	(847	)
Discount rates are set for each plan in reference to the yields available on AA-rated corporate bonds of appropriate currency and duration. The appropriate discount rate is derived by developing an AA-rated corporate bond yield curve in each currency. The discount rate for a given plan is the rate implied by the yield curve for the duration of that plan’s liabilities. In certain countries, where little public information is available on which to base discount rate assumptions, the discount rate is based on government bond yields or other indices and approximate adjustments to allow for the differences in weighted durations for the specific plans and/or allowance for assumed credit spreads between government and AA-rated corporate bonds.
The following table represents projected future postretirement cash flow by year:
	U.S.				Foreign
	(Dollars in thousands)
Expected contributions in 2015:
Expected employer contributions	$	1,204			$	953
Expected employee contributions	—				—
Estimated future benefit payments reflecting expected future service for the years ending December 31:
2015	1,204				953
2016	1,172				985
2017	1,124				990
2018	1,062				999
2019	985				1,007
2020-2024	3,668				5,258
Other Non-Qualified Benefit Plans
Since January 1, 1995, we have established various unfunded, non-qualified supplemental retirement and deferred compensation plans for certain eligible employees. We established benefits protection trusts (collectively, the “Trust”) to partially provide for the benefits of employees participating in these plans. As of December 31, 2013 and December 31, 2014, the Trust had assets of approximately $5.3 million and $5.2 million, respectively, which are included in other assets and treasury stock on the Consolidated Balance Sheets. These assets include 80,967 shares of common stock that we contributed to the Trust. These shares, if later sold, could be used for partial funding of our future obligations under certain of our compensation and benefit plans. The shares held in Trust are not considered outstanding for purposes of calculating earnings per share until they are committed to be sold or otherwise used for funding purposes.
Savings Plan
Our employee savings plan provides eligible employees the opportunity for long-term savings and investment. The plan allows employees to contribute up to 5% of pay as a basic contribution and an additional 45% of pay as supplemental contribution. For 2012, 2013, and 2014 we contributed on behalf of each participating employee, in units of a fund that invests entirely in our common stock, 100% on the first 3% contributed by the employee and 50% on the next 2% contributed by the employee. We contributed 433,496 shares in 2012, resulting in an expense of $4.6 million; 553,298 shares in 2013, resulting in an expense of $4.6 million; and 581,006 shares in 2014, resulting in an expense of $4.4 million.

Management_Compensation_And_In

Management Compensation And Incentive Plans	12 Months Ended
	Dec. 31, 2014
Management Compensation And Incentive Plans [Abstract]
Management Compensation And Incentive Plans	Management Compensation and Incentive Plans
	Stock-Based Compensation
	We have historically maintained several stock incentive plans. The plans permitted the granting of options, restricted stock and other awards. As of December 31, 2014, the aggregate number of shares authorized under the plans since their initial adoption was 23,300,000. Shares issued upon vesting of awards or exercise of options are new share issuances or issuances from treasury shares. Upon the vesting or payment of stock awards, an employee may elect receipt of the full share amount and either pay the resulting taxes or sell shares in the open market to cover the tax obligation. We sometimes elect to purchase these shares rather than allow them to be sold in the open market.
	Stock-Based Compensation
	We recognized $9.6 million, $7.7 million, and $5.6 million in stock-based compensation expense in 2012, 2013 and 2014, respectively. A majority of the expense, $8.7 million, $6.9 million, and $4.8 million, respectively, was recorded as selling and administrative expenses in the Consolidated Statements of Income, with the remainder recorded as cost of sales and research and development. We expect our stock-based compensation expense to approximate $5.6 million in 2015.
	As of December 31, 2014, the total compensation expense related to non-vested restricted stock and stock options not yet recognized was $12.3 million which will be recognized over the weighted average life of 2.0 years.
	In November 2014, the 2015-2017 grant to senior leadership under our Equity Incentive Plan was approved. We granted 526,900 stock options with an exercise price of $4.24; 395,186 restricted share units; and up to 1,317,266 performance share units, which represent the right to receive shares contingent upon the achievement of one or more performance measures. The options vest as to 1/3 of the grant on December 3rd over the next three years and expire 10 years from the grant date. The restricted share units vest as to 1/3 of the grant on December 3rd over the next three years. Performance shares are earned based on our return on invested capital and our cumulative free cash flow for a three year period beginning January 1, 2015. Compensation for performance shares can fluctuate based on how we perform to the targets. Performance shares earned will vest on March 31, 2018, provided the participant is still employed by us on that date.
	Additionally, in December 2014, we granted 195,000 restricted share units to 45 leaders under the Equity Recognition Program. These shares will vest as to 100% of the grant on December 3, 2016.
	Accounting for Stock-Based Compensation
	Restricted Stock and Performance Shares. Compensation expense for restricted stock and performance share awards is based on the closing price of our common stock on the date of grant, less our assumptions of dividend yield and expected forfeitures or cancellations of awards throughout the vesting period, which generally range between one and three years. The weighted average grant date fair value of restricted stock and performance shares was approximately $11.16 and $5.19 per share at December 31, 2013 and 2014, respectively.
	Restricted stock and performance share awards activity under the plans for the year ended December 31, 2014, was:
		Number		Weighted-
		of		Average
		Shares		Grant
				Date Fair
				Value
	Outstanding unvested at December 31, 2013	1,633,491		$	10.98
	Granted	1,466,919		5.19
	Vested	(411,062	)	12.5
	Forfeited/canceled/expired	(875,218	)	10.25
	Outstanding at December 31, 2014	1,814,130		$	6.31
	During 2014, we granted 1,466,919 shares of restricted stock and performance units to certain directors, officers and employees at prices ranging from $4.24 to $11.90. Of the total shares granted, 519,286 will vest over a three year period, with one-third of the shares vesting on the anniversary date of the grant in each of the next three years. An additional 747,633 shares will vest over a 39 month period, subject to performance multipliers, based on company performance against a peer group. The remaining 200,000 shares vest over a period of one or two years. Unvested shares granted to each employee also vest upon the occurrence of a change in control, as defined. Unvested shares are forfeited based on the terms of the award.
	Stock Options. Compensation expense for stock options is based on the estimated fair value of the option on the date of the grant. We calculate the estimated fair value of the option using the Black-Scholes option-pricing model. During 2012, we granted 441,700 options to certain of our directors, officers and employees. The weighted-average fair value of the options granted in 2012 was $9.82. During 2013, we granted 348,106 options to certain of our officers and employees. The weighted-average fair value of the options granted in 2013 was $11.53. During 2014, we granted 671,939 options to certain of our officers and employees.The weighted-average fair value of the options granted in 2014 was $5.82. The weighted average assumptions used in our Black-Scholes option-pricing model for options granted in 2012, 2013 and 2014 are:
		For the Year		For the Year		For the Year
		Ended		Ended		Ended
		December 31,		December 31,		December 31,
		2012		2013		2014
	Dividend yield	—	%	—	%	—	%
	Expected volatility	55.33%-57.32%		55.89%-57.01%		45.42%-55.89%
	Risk-free interest rate	0.66% - 0.90%		0.76% - 1.38%		1.38% - 1.66%
	Expected term in years	6 years		6 years		6 years
	Dividend Yield. A dividend assumption of 0% is used for all grants based on our history of not paying dividends.
	Expected Volatility. We estimate the volatility of our common stock at the date of grant based on the historical volatility of our common stock. The volatility factor we use is based on our historical stock prices over the most recent period commensurate with the estimated expected life of the award.
	Risk-Free Interest Rate. We base the risk-free interest rate on the implied yield currently available on U.S. Treasury zero-coupon issues with an equivalent remaining term equal to the expected life of the award.
	Expected Term In Years. The expected life of awards granted represents the time period that the awards are expected to be outstanding. We determined the expected term of the grants using the “simplified” method as described by the SEC, since we do not have a history of stock option awards to provide a reliable basis for estimating such.
	Stock option activity under the plans for the year ended December 31, 2014 was:
		Number		Weighted-
		of		Average
		Shares		Exercise
				Price
	Outstanding at December 31, 2013	1,916,718		$	12.47
	Granted	671,939		5.82
	Exercised	(316,733	)	8.88
	Forfeited/canceled/expired	(229,850	)	11.64
	Outstanding at December 31, 2014	2,042,074		$	10.93
	Options outstanding at December 31, 2014, have a weighted average remaining contractual life of 7.8 years, a weighted average remaining vesting period of 1.5 years, and an aggregate intrinsic value of $0.4 million. The intrinsic value of options exercised for the year ended December 31, 2014 was $0.5 million.
	Stock options outstanding and exercisable under our plans at December 31, 2014 are:
				Options Outstanding					Options Exercisable
	Range of Exercise Prices			Number		Weighted		Weighted	Number	Weighted
				Outstanding		Average		Average	Exercisable	Average
						Remaining		Exercise		Exercise
						Contractual		Prices		Prices
						Life in Years
	$4.24	-	$22.57	2,042,074		7.8		$10.93	1,187,758	$	13.94
	At December 31, 2014, we have 1,601,124 options vested and expected to vest in the next year. Options exercisable at December 31, 2014, have a weighted-average contractual life of 6.6 years and an aggregate intrinsic value of zero.
	Incentive Compensation Plans
	We have a global incentive program for our worldwide salaried and hourly employees, the Incentive Compensation Program (the “ICP”), which includes a shareholder-approved executive incentive compensation plan. The ICP is based primarily on earnings before income taxes and achieving cash flow targets and, to a lesser extent, strategic targets. The balance of our accrued liability for ICP was $0.4 million at December 31, 2013 and $0.0 million at December 31, 2014.

Supplemental_Guarantor_Informa

Supplemental Guarantor Information	12 Months Ended
	Dec. 31, 2014
Consolidating Financials [Abstract]
Guarantor Information	Guarantor Information
	On November 20, 2012, GrafTech International Ltd. (the “Parent”), issued $300 million aggregate principal amount of Senior Notes. The Senior Notes mature on November 15, 2020 and bear interest at a rate of 6.375% per year, payable semi-annually in arrears on May 15 and November 15 of each year. The Senior Notes have been guaranteed on a senior basis by the following wholly-owned direct and indirect subsidiaries of the Parent: GrafTech Finance Inc., GrafTech Holdings Inc., GrafTech USA LLC, Seadrift Coke LLP, Fiber Materials, Inc., Intermat, GrafTech Global Enterprises Inc., GrafTech International Holdings Inc., GrafTech DE LLC, GrafTech Seadrift Holding Corp, GrafTech International Trading Inc., GrafTech Technology LLC, GrafTech NY Inc., and Graphite Electrode Network LLC.
	The guarantors of the Senior Notes, solely in their respective capacities as such, are collectively called the “Guarantors.” Our other subsidiaries, which are not guarantors of the Senior Notes, are called the “Non-Guarantors.”
	All of the guarantees are unsecured. All of the guarantees are full, unconditional (subject to limited exceptions described below) and joint and several. Each of the Guarantors are 100% owned, directly or indirectly, by the Parent. All of the guarantees of the Senior Notes continue until the Senior Notes have been paid in full, and payment under such guarantees could be required immediately upon the occurrence of an event of default under the Senior Notes. If a Guarantor makes a payment under its guarantee of the Senior Notes, it would have the right under certain circumstances to seek contribution from the other Guarantors.
	The Guarantors will be released from the guarantees upon the occurrence of certain events, including the following:  the unconditional release or discharge of any guarantee or indebtedness that resulted in the creation of the guarantee of the Senior Notes by such Guarantor; the sale or other disposition, including by way of merger or consolidation or the sale of its capital stock, following which such Guarantor is no longer a subsidiary of the Parent; or the Parent's exercise of its legal defeasance option or its covenant defeasance option as described in the indenture applicable to the Senior Notes.  If any Guarantor is released, no holder of the Senior Notes will have a claim as a creditor against such Guarantor and the indebtedness and other liabilities, including trade payables and preferred stock, if any, of such Guarantor will be effectively senior to the claim of any holders of the Senior Notes.
	Investments in subsidiaries are recorded on the equity basis.
	The following tables set forth condensed consolidating balance sheets as of December 31, 2013 and December 31, 2014 and condensed consolidating statements of income and comprehensive income for the three and nine months ended December 31, 2013 and 2014 and condensed consolidating statements of cash flows for 2013 and 2014 of the Parent, Guarantors and the Non-Guarantors.
	Amounts presented in comprehensive income for the year ended 2012 and 2013 have been revised.  Previously, the Company did not present comprehensive income of subsidiaries in the guarantor column. This amount has been revised to present $18.7 million in comprehensive loss for the guarantors during the year ended 2012 and $11.9 million in comprehensive loss during 2013.
	CONDENSED CONSOLIDATING BALANCE SHEETS
	As of December 31, 2013
	(in thousands)
															Consolidating
											Non-				Entries and
			Parent				Guarantors				Guarantors				Eliminations				Consolidated
	ASSETS
	Current Assets:
	Cash and cash equivalents		$	—			$	4,752			$	7,136			$	—			$	11,888
	Accounts receivable - affiliates		42,410				28,551				15,824				(86,785		)		—
	Accounts receivable - trade		—				48,998				150,568				—				199,566
	Inventories		—				174,935				315,479				—				490,414
	Prepaid and other current assets		—				22,555				51,235				—				73,790
	Total current assets		42,410				279,791				540,242				(86,785		)		775,658
	Investment in affiliates		1,709,914				828,012				—				(2,537,926		)		—
	Property, plant and equipment		—				540,273				280,712				—				820,985
	Deferred income taxes		—				—				10,334				—				10,334
	Goodwill		—				293,162				203,648				—				496,810
	Notes receivable - affiliate		51,090				7,413				—				(58,503		)		—
	Other assets		4,752				53,447				55,862				—				114,061
	Total Assets		$	1,808,166			$	2,002,098			$	1,090,798			$	(2,683,214	)		$	2,217,848
	LIABILITIES AND
	STOCKHOLDERS' EQUITY
	Current Liabilities:
	Accounts payable - affiliate		$	—			$	58,206			$	28,579			$	(86,785	)		$	—
	Accounts payable - trade		—				41,971				73,241				—				115,212
	Short-term debt		—				165				996				—				1,161
	Accrued income and other taxes		2,678				4,736				23,273				—				30,687
	Rationalizations		—				1,890				16,531				—				18,421
	Supply chain financing liability		—				—				9,455				—				9,455
	Other accrued liabilities		2,444				12,404				26,091				—				40,939
	Total current liabilities		5,122				119,372				178,166				(86,785		)		215,875
	Long-term debt - affiliate		—				51,090				7,413				(58,503		)		—
	Long-term debt - third party		475,675				50,525				15,393				—				541,593
	Other long-term obligations		—				66,590				31,357				—				97,947
	Deferred income taxes		6,620				4,607				30,457				—				41,684
	Stockholders' equity		1,320,749				1,709,914				828,012				(2,537,926		)		1,320,749
	Total Liabilities and Stockholders' Equity		$	1,808,166			$	2,002,098			$	1,090,798			$	(2,683,214	)		$	2,217,848
	CONDENSED CONSOLIDATING BALANCE SHEETS
	As of December 31, 2014
	(in thousands)
															Consolidating
											Non-				Entries and
			Parent				Guarantors				Guarantors				Eliminations				Consolidated
	ASSETS
	Current Assets:
	Cash and cash equivalents		$	—			$	5,503			$	12,047			$	—			$	17,550
	Accounts receivable - affiliates		40,474				35,618				40,185				(116,277		)		—
	Accounts receivable - trade		—				45,861				117,058				—				162,919
	Inventories		—				148,080				234,823				—				382,903
	Prepaid and other current assets		—				17,336				64,287				—				81,623
	Total current assets		40,474				252,398				468,400				(116,277		)		644,995
	Investment in affiliates		1,414,278				762,251				—				(2,176,529		)		—
	Property, plant and equipment		—				431,602				222,438				—				654,040
	Deferred income taxes		—				—				16,819				—				16,819
	Goodwill		—				217,099				203,030				—				420,129
Notes receivable - affiliate		35,722				7,413				—				(43,135		)		—
Other assets		4,110				45,617				48,095				—				97,822
Total Assets		$	1,494,584			$	1,716,380			$	958,782			$	(2,335,941	)		$	1,833,805
LIABILITIES AND
STOCKHOLDERS' EQUITY
Current Liabilities:
Accounts payable - affiliate		$	—			$	80,659			$	35,618			$	(116,277	)		$	—
Accounts payable - trade		47				35,435				50,927				—				86,409
Short-term debt		187,973				131				—				—				188,104
Accrued income and other taxes		344				3,380				20,782				—				24,506
Rationalizations		—				7,538				2,025				—				9,563
Supply chain financing liability		—				—				—				—				—
Other accrued liabilities		2,444				15,252				25,623				—				43,319
Total current liabilities		190,808				142,395				134,975				(116,277		)		351,901
Long-term debt - affiliate		—				35,722				7,413				(43,135		)		—
Long-term debt - third party		300,000				40,393				1,222				—				341,615
Other long-term obligations		—				77,724				29,842				—				107,566
Deferred income taxes		—				5,118				23,079				—				28,197
Stockholders' equity		1,003,776				1,415,028				762,251				(2,176,529		)		1,004,526
Total Liabilities and Stockholders' Equity		$	1,494,584			$	1,716,380			$	958,782			$	(2,335,941	)		$	1,833,805
CONDENSED CONSOLIDATING STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME
For the year ended December 31, 2012
(in thousands)
														Consolidating
										Non-				Entries and
		Parent				Guarantors				Guarantors				Eliminations				Consolidated
Sales - affiliates		$	—			$	194,345			$	216,859			$	(411,204	)		$	—
Sales - third party		—				566,024				682,240				—				1,248,264
Net sales		—				760,369				899,099				(411,204		)		1,248,264
Cost of sales		—				638,419				705,245				(411,204		)		932,460
Gross profit		—				121,950				193,854				—				315,804
Research and development		—				13,796				—				—				13,796
Selling and administrative expenses		—				61,442				84,098				—				145,540
Operating income		—				46,712				109,756				—				156,468
Other expense (income), net		—				(2,133		)		1,128				—				(1,005		)
Interest expense - affiliate		3,766				59				586				(4,411		)		—
Interest expense - third party		12,992				7,977				2,278				—				23,247
Interest income - affiliate		(59		)		(4,352		)		—				4,411				—
Interest income - third party		—				—				(261		)		—				(261		)
(Loss) income before income taxes		(16,699		)		45,161				106,025				—			`	134,487
(Benefit) provision for income taxes		(5,972		)		3,981				18,837				—				16,846
Equity in earnings of subsidiary		128,368				87,188				—				(215,556		)		—
Net income		$	117,641			$	128,368			$	87,188			$	(215,556	)		$	117,641
Statements of
Comprehensive Income
Net income (loss)		$	117,641			$	128,368			$	87,188			$	(215,556	)		$	117,641
Other comprehensive (loss) income		(18,741		)		(18,741		)		(9,929		)		28,670				(18,741		)
Comprehensive income (loss)		$	98,900			$	109,627			$	77,259			$	(186,886	)		$	98,900
CONDENSED CONSOLIDATING STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME
For the year ended December 31, 2013
(in thousands)
														Consolidating
										Non-				Entries and
		Parent				Guarantors				Guarantors				Eliminations				Consolidated
Sales - affiliates		$	—			$	220,354			$	149,251			$	(369,605	)		$	—
Sales - third party		—				469,033				697,641				—				1,166,674
Net sales		—				689,387				846,892				(369,605		)		1,166,674
Cost of sales		—				584,819				812,394				(369,605		)		1,027,608
Gross profit		—				104,568				34,498				—				139,066
Research and development		—				10,437				—				—				10,437
Selling and administrative expenses		—				40,548				70,495				—				111,043
Rationalizations		—				2,732				17,424				—				20,156
Operating income		—				50,851				(53,421		)		—				(2,570		)
Other expense (income), net		—				(176		)		1,874				—				1,698
Interest expense - affiliate		—				1,364				670				(2,034		)		—
Interest expense - third party		31,294				3,029				1,714				—				36,037
Interest income - affiliate		(1,233		)		(670		)		(131		)		2,034				—
Interest income - third party		—				—				(203		)		—				(203		)
(Loss) income before income taxes		(30,061		)		47,304				(57,345		)		—			`	(40,102		)
(Benefit) provision for income taxes		(10,659		)		9,111				(11,295		)		—				(12,843		)
Equity in earnings of subsidiary		(7,857		)		(46,050		)		—				53,907				—
Net income		$	(27,259	)		$	(7,857	)		$	(46,050	)		$	53,907			$	(27,259	)
Statements of
Comprehensive Income
Net (loss) income		$	(27,259	)		$	(7,857	)		$	(46,050	)		$	53,907			$	(27,259	)
Other comprehensive (loss) income		(11,946		)		(11,946		)		(13,601		)		25,547				(11,946		)
Comprehensive income (loss)		$	(39,205	)		$	(19,803	)		$	(59,651	)		$	79,454			$	(39,205	)
CONDENSED CONSOLIDATING STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME
For the year ended December 31, 2014
(in thousands)
														Consolidating
										Non-				Entries and
		Parent				Guarantors				Guarantors				Eliminations				Consolidated
Sales - affiliates		$	—			$	263,742			$	150,346			$	(414,088	)		$	—
Sales - third party		—				422,991				662,313				—				1,085,304
Net sales		—				686,733				812,659				(414,088		)		1,085,304
Cost of sales		—				630,031				777,114				(414,088		)		993,057
Gross profit		—				56,702				35,545				—				92,247
Research and development		—				14,844				—				—				14,844
Selling and administrative expenses		—				55,454				68,724				—				124,178
Impairments		—				186,552				10,668								197,220
Rationalizations		—				9,109				2,516				—				11,625
Operating income		—				(209,257		)		(46,363		)		—				(255,620		)
Other expense (income), net		—				1,575				870				—				2,445
Interest expense - affiliate		—				806				—				(806		)		—
Interest expense - third party		32,118				4,037				902				—				37,057
Interest income - affiliate		(806		)		—				—				806				—
Interest income - third party		—				(11		)		(319		)		—				(330		)
(Loss) income before income taxes		(31,312		)		(215,664		)		(47,816		)		—			`	(294,792		)
(Benefit) provision for income taxes		3,319				(5,618		)		(7,117		)		—				(9,416		)
Equity in earnings of subsidiary		(251,495		)		(40,699		)		—				292,194				—
Net income		$	(286,126	)		$	(250,745	)		$	(40,699	)		$	292,194			$	(285,376	)
Statements of
Comprehensive Income
Net income		$	(286,126	)		$	(250,745	)		$	(40,699	)		$	292,194			$	(285,376	)
Other comprehensive income:		(43,900		)		(43,900		)		(28,650		)		72,550				(43,900		)
Comprehensive (loss) income		$	(330,026	)		$	(294,645	)		$	(69,349	)		$	364,744			$	(329,276	)
CONDENSED CONSOLIDATING STATEMENTS OF CASH FLOWS
For the year ended December 31, 2014
(in thousands)
													Consolidating
									Non-				Entries and
	Parent				Guarantors				Guarantors				Eliminations				Consolidated
Net cash (used in) provided by	$	(9,474	)		$	79,864			$	50,513			$	—			$	120,903
operating activities:
Cash flow from investing activities:
Loan repayments from affiliates	6,604				—				—				(6,604		)		—
Capital expenditures	—				(58,926		)		(26,055		)		—				(84,981		)
Insurance recoveries	—				—				2,834				—				2,834
Proceeds (payments) for derivatives	—				(2,195		)		170				—				(2,025		)
Proceeds from fixed asset sales	—				1,700				3,342								5,042
Other	—				—				178				—				178
Net cash provided by (used in)	6,604				(59,421		)		(19,531		)		(6,604		)		(78,952		)
investing activities
Cash flow from financing activities:
Loans repayments to affiliates	—				(6,604		)		—				6,604				—
Short-term debt borrowings	—				(34		)		(987		)		—				(1,021		)
Revolving Facility borrowings	—				183,000				86,000				—				269,000
Revolving Facility reductions	—				(193,000		)		(100,000		)		—				(293,000		)
Principal payments on long term debt	—				(132		)		(60		)		—				(192		)
Supply chain financing	—				—				(9,455		)		—				(9,455		)
Proceeds from exercise of stock options	2,813				—				—				—				2,813
Purchase of treasury shares	(894		)		—				—				—				(894		)
Refinancing fees and debt issuance costs	—				(2,922		)		(357		)		—				(3,279		)
Other	951				—				—				—				951
Net cash (used in) provided by	2,870				(19,692		)		(24,859		)		6,604				(35,077		)
financing activities
Net increase (decrease) in cash	—				751				6,123				—				6,874
and cash equivalents
Effect of exchange rate changes	—				—				(1,212		)		—				(1,212		)
on cash and cash equivalents
Cash and cash equivalents at	—				4,752				7,136				—				11,888
beginning of period
Cash and cash equivalents	$	—			$	5,503			$	12,047			$	—			$	17,550
at end of period

Contingencies

Contingencies	12 Months Ended
	Dec. 31, 2014
Loss Contingency [Abstract]
Contingencies	Contingencies
	Legal Proceedings
	We are involved in various investigations, lawsuits, claims, demands, environmental compliance programs and other legal proceedings arising out of or incidental to the conduct of our business. While it is not possible to determine the ultimate disposition of each of these matters, we do not believe that their ultimate disposition will have a material adverse effect on our financial position, results of operations or cash flows.
	Product Warranties
	We generally sell products with a limited warranty. We accrue for known warranty claims if a loss is probable and can be reasonably estimated. We also accrue for estimated warranty claims incurred based on a historical claims charge analysis. Claims accrued but not yet paid and the related activity within the reserve for 2013 and 2014 are as follows:
		(Dollars in Thousands)
	Balance at December 31, 2013	$	1,050
	Product warranty charges/adjustments	173
	Payments and settlements	(300		)
	Balance at December 31, 2014	$	923

Income_Taxes

Income Taxes	12 Months Ended
	Dec. 31, 2014
Income Tax Disclosure [Abstract]
Income Taxes	Income Taxes
	The following table summarizes the U.S. and non-U.S. components of income (loss) before provision (benefit) for income taxes:
		For the Year Ended
		December 31,
		2012			2013			2014
		(Dollars in thousands)
	U.S.	$	29,422		$	8,495		$	(255,043	)
	Non-U.S.	105,065			(48,597		)	(39,749		)
		$	134,487		$	(40,102	)	$	(294,792	)
	Income tax expense (benefit) consists of the following:
		For the Year Ended
		December 31,
		2012			2013			2014
		(Dollars in thousands)
	U.S income taxes:
	Current	$	(6,529	)	$	4,104		$	(1,762	)
	Deferred	4,543			(5,652		)	(537		)
		(1,986		)	(1,548		)	(2,299		)
	Non-U.S. income taxes:
	Current	12,371			5,422			8,349
	Deferred	6,461			(16,717		)	(15,466		)
		18,832			(11,295		)	(7,117		)
	Total income tax expense (benefit)	$	16,846		$	(12,843	)	$	(9,416	)
	Income tax expense (benefit) differed from the amounts computed by applying the U.S. federal income tax rate of 35% to income before provision (benefit) for income taxes as set forth in the following table:
		For the Year Ended
		December 31,
		2012			2013			2014
		(Dollars in thousands)
	Tax at statutory U.S. federal rate	$	47,071		$	(14,036	)	$	(103,177	)
	U.S. valuation allowance, net	(1,800		)	(700		)	73,350
	State taxes, net of federal tax benefit	593			(371		)	(4,387		)
	U.S. tax return adjustments to estimated taxes	588			(1,032		)	(368		)
	Establishment (resolution) of uncertain tax positions	(8,118		)	(752		)	(513		)
	Adjustment for foreign income taxed at different rates	(15,553		)	6,832			7,376
	U.S. tax credits	(2,200		)	(2,577		)	(1,000		)
	Non-U.S. tax exemptions, holidays and credits	(4,259		)	—			—
	Goodwill impairment	—			—			17,161
	Capital loss expiration	—			—			2,422
	Other	524			(207		)	(280		)
	Total income tax (benefit) expense	$	16,846		$	(12,843	)	$	(9,416	)
	The Company has been granted a tax holiday in Brazil, which expires in 2016. The availability of the tax holiday in Brazil did not have a significant impact on the current tax year.
	The tax effects of temporary differences that give rise to significant components of the deferred tax assets and deferred tax liabilities at December 31, 2013, and December 31, 2014 are set forth in the following table:
		At December 31,
		2013			2014
		(Dollars in thousands)
	Deferred tax assets:
	Postretirement and other employee benefits	$	41,604		$	43,204
	Foreign tax credit and other carryforwards	46,283			64,214
	Capitalized research and experimental costs	20,243			23,446
	Environmental reserves	3,503			3,366
	Inventory adjustments	16,255			19,568
	Capital loss	2,697			272
	Long-term contract option amortization	—			2,214
	Provision for rationalization charges	17,410			17,255
	Other	5,889			6,288
	Total gross deferred tax assets	153,884			179,827
	Less: valuation allowance	(20,411		)	(95,721		)
	Total deferred tax assets	133,473			84,106
	Deferred tax liabilities:
	Fixed assets	$	109,824		$	59,292
	Debt discount amortization	6,620			3,301
	Inventory	9,212			6,865
	Goodwill and acquired intangibles	10,813			1,046
	Other	2,204			3,761
Total deferred tax liabilities	138,673			74,265
Net deferred tax (liability) asset	$	(5,200	)	$	9,841
Deferred income tax assets and liabilities are classified on a net current and non-current basis within each tax jurisdiction. Net current deferred income tax assets are included in prepaid expenses and other current assets in the amount of $37.1 million as of December 31, 2013 and $28.4 million as of December 31, 2014. Net non-current deferred tax assets are separately stated as deferred income taxes in the amount of $10.3 million as of December 31, 2013 and $16.8 million as of December 31, 2014. Net current deferred tax liabilities are included in accrued income and other taxes in the amount of $10.9 million as of December 31, 2013 and $7.2 million as of December 31, 2014. Net non-current deferred tax liabilities are separately stated as deferred income taxes in the amount of $41.7 million at December 31, 2013 and $28.2 million at December 31, 2014.
We continue to assess the need for valuation allowances against deferred tax assets based on determinations of whether it is more likely than not that deferred tax benefits will be realized through the generation of future taxable income. Appropriate consideration is given to all available evidence, both positive and negative, in assessing the need for a valuation allowance. Examples of positive evidence would include a strong earnings history, an event or events that would increase our taxable income through a continued reduction of expenses, and tax planning strategies that would indicate an ability to realize deferred tax assets. Examples of negative evidence would include cumulative losses in recent years and history of tax attributes expiring unused.
GrafTech impaired the fixed assets and announced exiting of certain product lines in our Advanced Graphite Material ("AGM") product group, in the Company’s second quarter Form 10-Q. During the third quarter of 2014, we announced the conclusion of another phase of our on-going companywide cost savings assessment. This resulted in changes to the Company’s operating and management structure in order to streamline, simplify and decentralize the organization as described in more detail in Note 2, Rationalizations. The impairment charges and other rationalization related charges were incurred primarily in the U.S. jurisdiction. As a result, we determined that it is no longer “more likely than not” that we will generate sufficient future U.S. taxable income to realize our deferred tax assets related to U.S. foreign tax credits and state net operating loss carryforwards, as well as our net U.S. deferred tax assets. With the additional significant negative evidence of recent losses, the Company recognized a $73.4 million non-cash charge to the P&L in 2014 to reflect a full valuation allowance against these U.S. deferred income tax assets. The recognition of the valuation allowance does not result in or limit the Company's ability to utilize these tax assets in the future.
Valuation allowance activity for the years ended December 31, 2012, 2013 and 2014 is as follows:
	For the year ended
	December 31,
	2012			2013			2014
	(Dollars in thousands)
Balance at January 1	$	25,509		$	26,312		$	20,411
(Credited) / charged to income	(1,800		)	(614		)	74,157
Translation adjustment	(52		)	(746		)	(800		)
Changes attributable to movement in underlying assets	2,655			(4,541		)	1,953
Balance at December 31	$	26,312		$	20,411		$	95,721
We have total foreign tax credit carryforwards of $19.5 million as of December 31, 2014, for which a full valuation allowance is recorded. These tax credit carryforwards expire as of December 31, 2016. In addition, we have a federal net operating loss carryforward of $36.3 million and state net operating losses carryforwards of $191.5 million, which can be carried forward from 5 to 20 years. These net operating losses carryforwards generate a deferred tax asset of $25.6 million as of December 31, 2014. We also have U.S. non-net operating loss related deferred tax assets of $44.3 million as of December 31, 2014.
We have assessed the need for valuation allowances against these deferred tax assets based on determinations of whether it is more likely than not that deferred tax benefits will be realized through the generation of future taxable income. Appropriate consideration is given to all available evidence, both positive and negative, in assessing the need for a valuation allowance, including existing level of profitability and recently available projections of future taxable income, which are comparable with current year results.
Based upon the levels of historical federal and state taxable income and projections of future federal and state taxable income over the periods during which the carryforwards can be utilized, we do not believe it is more likely than not that we will realize the tax benefits of these deferred tax assets. Until we determine that we will generate sufficient jurisdictional taxable income to realize our net operating losses and deferred tax assets, these assets will continue to be fully reserved.
We have non-U.S. loss and tax credit carryforwards on a gross tax effected basis of $23.1 million, which can be carried forward from 7 years to indefinitely.
As of December 31, 2014, we had unrecognized tax benefits of $3.7 million, $2.7 million of which, if recognized, would have a favorable impact on our effective tax rate. We have elected to report interest and penalties related to uncertain tax positions as income tax expense. Accrued interest and penalties were $1.0 million as of December 31, 2012 (a reduction of $0.3 million in from 2011), $0.6 million as of December 31, 2013 and $0.5 million as of December 31, 2014. A reconciliation of the beginning and ending amount of unrecognized tax benefits is as follows:
	As of December 31,
	2012			2013			2014
	(Dollars in thousands)
Balance at January 1	$	16,788		$	9,769		$	7,203
Additions based on tax positions related to the current year	90			881			268
Additions for tax positions of prior years	4,643			323			232
Reductions for tax positions of prior years	(11,019		)	(2,779		)	(1,204		)
Lapse of statutes of limitations	(163		)	—			(1,180		)
Settlements	(576		)	(988		)	(1,503		)
Foreign currency impact	6			(3		)	(106		)
Balance at December 31	$	9,769		$	7,203		$	3,710
It is reasonably possible that a reduction of unrecognized tax benefits of up to $2.0 million may occur within 12 months due to settlements and the expiration of statutes of limitation.
We file income tax returns in the U.S. federal jurisdiction, and various state and foreign jurisdictions. All U.S. federal tax years prior to 2012 are generally closed by statute or have been audited and settled with the applicable domestic tax authorities. All other jurisdictions are still open to examination beginning after 2008.
The Company has not provided for U.S. income taxes or foreign withholding taxes on the differences between the financial reporting basis in our foreign investments, and the tax basis in such investments, estimated to be $1.1 billion, which are considered to be permanently reinvested as of December 31, 2014. Any outside basis difference would be taxable upon the sale or liquidation of the foreign subsidiaries, or upon the remittance of dividends. The measurement of the unrecognized U.S. income taxes, if any, that may be associated with these outside basis differences, is not practicable.

Earnings_Per_Share

Earnings Per Share	12 Months Ended
	Dec. 31, 2014
Earnings Per Share [Abstract]
Earnings Per Share	Earnings Per Share
	The following table shows the information used in the calculation of our basic and diluted earnings per share as of December 31:
		At December 31,
		2012	2013	2014
		(Dollars in thousands)
	Weighted average common shares outstanding for basic calculation	138,551,804	135,067,278	136,155,295
	Add: Effect of stock options and restricted stock	1,148,300	—	—
	Weighted average common shares outstanding for diluted calculation	139,700,104	135,067,278	136,155,295
	Basic earnings per common share are calculated by dividing net income by the weighted average number of common shares outstanding. Diluted earnings per share are calculated by dividing net income by the sum of the weighted average number of common shares outstanding plus the additional common shares that would have been outstanding if potentially dilutive securities had been issued.
	The weighted average common shares outstanding for the diluted earnings per share calculation excludes consideration of stock options covering 865,844 shares in 2012, 1,866,720 shares in 2013 and 1,481,992 shares in 2014, as the exercise prices were greater than the weighted average market price of our common stock for that period.
	During 2012, we repurchased, in the open market, ten million shares under a previously announced share repurchase program authorized by the Board of Directors. These share repurchases represented a financing cash outflow of $101.7 million for 2012. These share repurchases decreased the weighted average shares outstanding by 5.6 million shares for 2012.

Accumulated_Other_Comprehensiv

Accumulated Other Comprehensive Loss	12 Months Ended
	Dec. 31, 2014
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]
Accumulated Other Comprehensive Loss	Accumulated Other Comprehensive Loss
	The balance in our accumulated other comprehensive loss is set forth in the following table:
		For year ended
		December 31,
		2013			2014
		(Dollars in thousands)
	Foreign currency translation adjustments	$	295,192		$	328,233
	Commodities and foreign currency derivatives and other, net of tax	(2,568		)	8,291
	of ($300) and ($63), respectively
	Total accumulated comprehensive loss	$	292,624		$	336,524

Subsequent_Event_Notes

Subsequent Event (Notes)	12 Months Ended
	Dec. 31, 2014
Subsequent Events [Abstract]
Subsequent Events [Text Block]
		Subsequent Events
	AGM Rationalization Initiatives
	Subsequent to December 31, 2014, the Company reviewed plans to further optimize the production platform in our advanced graphite materials business for 2015 and beyond. As a result, we are finalizing additional rationalization actions within our AGM business. The Company expects to incur up to $10 million of additional rationalization charges related to these actions in the first half of 2015. We estimate that, as a result of these additional actions, the Company will improve its operating income by $5 million annually in future years.
	Amended and Restated Credit Agreement
	On February 27, 2015, GrafTech and certain of its subsidiaries entered into an Amended and Restated Credit Agreement that provides for, among other things, greater financial flexibility and a new $40 million senior secured delayed draw term loan facility.
	As of December 31, 2014, we had $302 million of unused borrowing capacity under the revolving credit facility (after considering financial covenants restrictions and the outstanding letters of credit of approximately $5.3 million). Had this Amended and Restated Credit Agreement been in place as of December 31, 2014, we would have had availability of the full $400 million revolving credit facility, with $354 million of unused borrowing capacity (after considering financial covenants restrictions and the outstanding letters of credit of approximately $5.3 million). The additional $40 million delayed draw term loan facility is to be used in connection with the repayment of its Senior Subordinated Notes.
	The interest rate applicable to the Amended and Restated Credit Facility is LIBOR plus a margin ranging from 2.25% to 3.75% (depending on our total senior secured leverage ratio). The borrowers pay a per annum fee ranging from 0.35% to 0.50% (depending on our senior secured leverage ratio) on the undrawn portion of the commitments under the Revolving Facility. The new financial covenants require us to maintain a minimum cash interest coverage ratio of 2.50 to 1.00 and a maximum senior secured leverage ratio ranging from 3.75 to 1.00 to 3.00 to 1.00, subject to adjustment for certain events.

Business_And_Summary_Of_Signif1

Business And Summary Of Significant Accounting Policies (Policy)	12 Months Ended
	Dec. 31, 2014
Accounting Policies [Abstract]
Discussion Of Business And Structure	Discussion of Business and Structure
	GrafTech International Ltd. is one of the world’s largest manufacturers and providers of high quality synthetic and natural graphite and carbon based products. References herein to “GTI,” “we,” “our,” or “us” refer collectively to GrafTech International Ltd. and its subsidiaries. We have seven major product categories: graphite electrodes, refractory products, needle coke products, advanced graphite materials, advanced composite materials, advanced electronics technologies, and advanced materials, which are reported in the following segments:
	•	Industrial Materials includes graphite electrodes, refractory products and needle coke products, and primarily serves the steel industry.
	•	Engineered Solutions includes advanced graphite materials, advanced composite materials, advanced electronics technologies, and advanced materials and provides primary and specialty products to the advanced electronics, industrial, energy, transportation and defense markets.
Cash Equivalents	Cash Equivalents
	We consider all highly liquid financial instruments with original maturities of three months or less to be cash equivalents. Cash equivalents consist of certificates of deposit, money market funds and commercial paper.
Revenue Recognition	Revenue Recognition
	Revenue from sales of our commercial products is recognized when they meet four basic criteria (1) persuasive evidence of an arrangement exists, (2) delivery has occurred, (3) the amount is determinable and (4) collection is reasonably assured. Sales are recognized when both title and the risks and rewards of ownership are transferred to the customer or services have been rendered and fees have been earned in accordance with the contract.
	Volume discounts and rebates are estimated and are recorded as a reduction of revenue in conjunction with the sale of the related products. Changes to estimates are recorded when they become probable. Shipping and handling revenues billed to our customers are included in net sales and the related shipping and handling costs are included as an increase to cost of sales.
Earnings Per Share	Earnings per Share
	The calculation of basic earnings per share is based on the weighted-average number of our common shares outstanding during the applicable period. We use the two-class method of computing earnings per share for our instruments granted in share-based payment transactions that are determined to be participating securities prior to vesting.
	Diluted earnings per share recognizes the dilution that would occur if outstanding stock options and restricted stock awards were exercised or converted into common shares. We use the treasury stock method to compute the dilutive effect of our stock options and restricted stock awards (using the average market price for the period).
Inventories	Inventories
	Inventories are stated at the lower of cost or market. Cost is principally determined using the “first-in first-out” (“FIFO”) and average cost, which approximates FIFO, methods. Elements of cost in inventory include raw materials, direct labor and manufacturing overhead.
Property, Plant And Equipment	Property, Plant and Equipment
	Expenditures for property, plant and equipment are recorded at cost. Maintenance and repairs of property and equipment are expensed as incurred. Expenditures for replacements and betterments are capitalized and the replaced assets are retired. Gains and losses from the sale of property are included in cost of goods sold or other (income) expense, net. We depreciate our assets using the straight-line method over the estimated useful lives of the assets. The ranges of estimated useful lives are as follows:
		Years
	Buildings	25-40
	Land improvements	20
	Machinery and equipment	20-May
	Furniture and fixtures	10-May
	The carrying value of fixed assets is assessed when events and circumstances indicating impairment are present. Recoverability of assets to be held and used is measured by a comparison of the carrying amount of the assets to future undiscounted net cash flows expected to be generated by the assets. If the assets are considered to be impaired, the impairment to be recognized is measured by the amount by which the carrying amount of the assets exceeds the fair value of the assets. Assets to be disposed of are reported at the lower of the carrying amount or fair value less costs to sell.
Accounts Receivable	Accounts Receivable
	Trade accounts receivable primarily arise from sales of goods to customers and distributors in the normal course of business.
Sales of trade accounts receivable	Sales of trade accounts receivable
	We have in the past sold certain trade accounts receivable to a bank under a factoring arrangement. The receivables were sold at a discount on a nonrecourse basis and we did not retain interests in the receivables sold. We also acted as a servicer of the sold receivables for a fee. The servicing duties included collecting payments on receivables and remitting them to the bank. While servicing the receivables, we applied the same servicing policies and procedures that are applied to our owned accounts receivable.
Allowance For Doubtful Accounts	Allowance for Doubtful Accounts
	Considerable judgment is required in assessing the realizability of receivables, including the current creditworthiness of each customer, related aging of the past due balances and the facts and circumstances surrounding any non-payment. We evaluate specific accounts when we become aware of a situation where a customer may not be able to meet its financial obligations. The reserve requirements are based on the best facts available to us and are reevaluated and adjusted as additional information is received. Receivables are charged off when amounts are determined to be uncollectible.
Capitalized Bank Fees	Capitalized Bank Fees
	We capitalize bank fees upon the incurrence of debt. As of December 31, 2013 and December 31, 2014, capitalized bank fees amounted to $9.8 million and $9.7 million, respectively. We amortize such amounts over the life of the respective debt instrument using the effective interest method. The estimated life may be adjusted upon the occurrence of a triggering event.
Derivative Financial Instruments	Derivative Financial Instruments
	We do not use derivative financial instruments for trading purposes. They are used to manage well-defined commercial risks associated with commodity contracts and currency exchange rate risks.
Foreign Currency Derivatives	Foreign Currency Derivatives
	We enter into foreign currency derivatives from time to time to manage exposure to changes in currency exchange rates. These instruments, which include, but are not limited to, forward exchange contracts and purchased currency options, attempt to hedge global currency exposures, relating to non-dollar denominated debt and identifiable foreign currency receivables, payables and commitments held by our foreign and domestic subsidiaries. Forward exchange contracts are agreements to exchange different currencies at a specified future date and at a specified rate. Purchased foreign currency options are instruments which give the holder the right, but not the obligation, to exchange different currencies at a specified rate at a specified date or over a range of specified dates. The result is the creation of a range in which a best and worst price is defined, while minimizing option cost. Forward exchange contracts and purchased currency options are carried at fair value. These contracts are treated as hedges to the extent they are effective. Changes in fair values related to these contracts are recognized in other comprehensive income in the Consolidated Balance Sheets until settlement. At the time of settlement, realized gains and losses are recognized in revenue or cost of goods sold on the Consolidated Statements of Income. For derivatives that are not designated as a hedge, any gain or loss is immediately recognized in Cost of Goods Sold or Other (Income) Expense on the the Consolidated Statements of Operations. Derivatives used in this manner relate to risks resulting from assets or liabilities denominated in a foreign currency.
Commodity Derivative Contracts	Commodity Derivative Contracts
	We periodically enter into derivative contracts for natural gas and certain refined oil products. These contracts are entered into to protect against the risk that eventual cash flows related to these products will be adversely affected by future changes in prices. All commodity contracts are carried at fair value and are treated as hedges to the extent they are effective. Changes in their fair values are included in other comprehensive income in the Consolidated Balance Sheets until settlement. At the time of settlement of these hedge contracts, realized gains and losses are recognized as part of cost of goods sold on the Consolidated Statements of Income.
Research And Development	Research and Development
	Expenditures relating to the development of new products and processes, including significant improvements to existing products, are expensed as incurred.
Income Taxes	Income Taxes
	We file a consolidated United States (“U.S.”) federal income tax return for GTI and its eligible domestic subsidiaries. Our non-U.S. subsidiaries file income tax returns in their respective local jurisdictions. We account for income taxes under the asset and liability method. Deferred tax assets and liabilities are recognized for the future tax consequences attributable to temporary differences between the financial statement carrying amounts of existing assets and liabilities and their respective tax bases and tax benefit carry forwards. Deferred tax assets and liabilities at the end of each period are determined using enacted tax rates. A valuation allowance is established or maintained, when, based on currently available information and other factors, it is more likely than not that all or a portion of a deferred tax asset will not be realized.
	Under the guidance on accounting for uncertainty in income taxes, we recognize the benefit from an uncertain tax position only if it is more likely than not that the tax position will be sustained on examination by taxing authorities, based on the technical merits of the position. The tax benefits recognized in the financial statements from such a position are measured based on the largest benefit that has a greater than fifty percent likelihood of being realized upon ultimate settlement. The guidance on accounting for uncertainty in income taxes also provides guidance on derecognition, classification, interest and penalties on income taxes, and accounting in interim periods.
Stock-Based Compensation Plans	Stock-Based Compensation Plans
	We have various plans that provide for the granting of stock-based compensation to employees and, in certain instances, to non-employee directors, which are described more fully in Note 13, “Management Compensation and Incentive Plans.” Shares are issued upon vesting or option exercise from authorized, unissued shares or treasury shares.
	We account for those plans under the applicable standards on accounting for share-based payment. For transactions in which we obtain employee services in exchange for an award of equity instruments, we measure the cost of the services based on the grant date fair value of the award. We recognize the cost over the period during which an employee is required to provide services in exchange for the award, known as the requisite service period (usually the vesting period). Costs related to plans with graded vesting are generally recognized using a straight-line method. Cash flows resulting from tax benefits for deductions in excess of compensation cost recognized are included in financing cash flows.
Retirement Plans And Postretirement Benefits	Retirement Plans and Postretirement Benefits
	We use actuarial methods and assumptions to account for our defined benefit pension plans and our postretirement benefits. We immediately recognize the change in the fair value of plan assets and net actuarial gains and losses annually in the fourth quarter of each year (MTM Adjustment) and whenever a plan is remeasured (e.g. due to a significant curtailment, settlement, etc.). Pension and postretirement benefits expense includes the MTM adjustment, actuarially computed cost of benefits earned during the current service period, the interest cost on accrued obligations, the expected return on plan assets based on fair market values, and adjustments due to plan settlements and curtailments. Contributions to the qualified U.S. retirement plan are made in accordance with the requirements of the Employee Retirement Income Security Act of 1974.
	Postretirement benefits and benefits under the non-qualified retirement plan have been accrued, but not funded. The estimated cost of future postretirement life insurance benefits is determined by the Company with assistance from independent actuarial firms using the “projected unit credit” actuarial cost method. Such costs are recognized as employees render the service necessary to earn the postretirement benefits. We record our balance sheet position based on the funded status of the plan.
	We exclude the inactive participant portion of our pension and other postretirement benefit costs as a component of inventoriable costs. Additional information with respect to benefits plans is set forth in Note 12, “Retirement Plans and Postretirement Benefits.”
Environmental, Health And Safety Matters	Environmental, Health and Safety Matters
	Our operations are governed by laws addressing protection of the environment and worker safety and health. These laws provide for civil and criminal penalties and fines, as well as injunctive and remedial relief, for noncompliance and require remediation at sites where hazardous substances have been released into the environment.
	We have been in the past, and may become in the future, the subject of formal or informal enforcement actions or proceedings regarding noncompliance with these laws or the remediation of company-related substances released into the environment. Historically, such matters have been resolved by negotiation with regulatory authorities resulting in commitments to compliance, abatement or remediation programs and in some cases payment of penalties. Historically, neither the commitments undertaken nor the penalties imposed on us have been material.
	Environmental considerations are part of all significant capital expenditure decisions. Environmental remediation, compliance and management expenses were approximately $15.8 million in 2012, $14.6 million in 2013, and $17.0 million in 2014. The accrued liability relating to environmental remediation was $7.0 million as of December 31, 2013 and $6.9 million as of December 31, 2014. A charge to income is recorded when it is probable that a liability has been incurred and the cost can be reasonably estimated. When payments are fixed or determinable, the liability is discounted using a rate at which the payments could be effectively settled.
	Our environmental liabilities do not take into consideration possible recoveries of insurance proceeds. Because of the uncertainties associated with environmental remediation activities at sites where we may be potentially liable, future expenses to remediate sites could be considerably higher than the accrued liability.
Foreign Currency Translation	Foreign Currency Translation
	We translate the financial statements of foreign subsidiaries, whose local currency is their functional currency, to U.S. dollars using period-end exchange rates for assets and liabilities and weighted average exchange rates for each period for revenues, expenses, gains and losses. Differences arising from exchange rate changes are included in accumulated other comprehensive loss on the Consolidated Balance Sheets until such time as the operations of such non-U.S. subsidiaries are sold or substantially or completely liquidated.
	For our Mexican, Swiss and Russian subsidiaries, whose functional currency is the U.S. dollar, we remeasure non-monetary balance sheet accounts and the related income statement accounts at historical exchange rates. Resulting gains and losses arising from the fluctuations in currency for monetary accounts are recognized in other (income) expense, net, in the Consolidated Statements of Income. Gains and losses arising from fluctuations in currency exchange rates on transactions denominated in currencies other than the functional currency are recognized in earnings as incurred.
	We have non-dollar denominated intercompany loans between some of our foreign subsidiaries. These loans are subject to remeasurement gains and losses due to changes in currency exchange rates. Certain of these loans had been deemed to be essentially permanent prior to settlement and, as a result, remeasurement gains and losses on these loans were recorded as a component of accumulated other comprehensive loss in the stockholders’ equity section of the Consolidated Balance Sheets. The remaining loans are deemed to be temporary and, as a result, remeasurement gains and losses on these loans are recorded as currency (gains/losses) in other (income) expense, net, on the Consolidated Statements of Income.
Software Development Costs	Software Development Costs
	In connection with our development and implementation of global enterprise resource planning systems with advanced manufacturing, planning and scheduling software, we capitalize certain computer software costs after technological feasibility is established. These costs are capitalized within property, plant and equipment and are amortized utilizing the straight-line method over the economic lives of the related products.
Restructuring	Rationalizations
Goodwill And Other Intangible Assets	Goodwill and Other Intangible Assets
	Goodwill is the excess of the acquisition cost of businesses over the fair value of the identifiable net assets acquired. We do not recognize deferred income taxes for the difference between the assigned value and the tax basis related to nondeductible goodwill. Goodwill is not amortized; however, impairment testing is performed annually or more frequently if circumstances indicate that impairment may have occurred. We perform the goodwill impairment test annually at December 31.
	The impairment test for goodwill uses a two-step approach, which is performed at the reporting unit level. Step one compares the fair value of the reporting unit (using a discounted cash flow method) to its carrying value. The fair value for each reporting unit with goodwill is determined in accordance with accounting guidance on determining fair value, which requires consideration of the income, market, and cost approaches as applicable. If the carrying value exceeds the fair value, there is potential impairment and step two must be performed. Step two compares the carrying value of the reporting unit’s goodwill to implied fair value (i.e., fair value of the reporting unit less the fair value of the unit’s assets and liabilities, including identifiable intangible assets). If the fair value of goodwill is less than the carrying amount of goodwill, an impairment is recognized.
	Other amortizable intangible assets, which consist primarily of trademarks and trade names, customer-related intangibles, and technological know-how, are amortized over their estimated useful lives using the straight line or sum-of-the-years digits method. The estimated useful lives for each major category of amortizable intangible assets are:
		Years
	Trade name	10-May
	Technology and know-how	9-May
	Customer related intangible	14-May
Major Maintenance And Repair Costs	Major Maintenance and Repair Costs
	We perform scheduled major maintenance of the storage and processing units at our Seadrift plant (referred to as “overhaul”). Time periods between overhauls vary by unit. We also perform an annual scheduled significant maintenance and repair shutdown of the plant (referred to as “turnaround”).
	Costs of overhauls and turnarounds include plant personnel, contract services, materials, and rental equipment. We defer these costs when incurred and use the straight-line method to amortize them over the period of time estimated to lapse until the next scheduled overhaul of the applicable storage or processing unit or over one year for our turnaround. Under this policy in 2013, costs deferred were $7.5 million and costs amortized were $7.8 million. Costs deferred in 2014 were $13.3 million and costs amortized were $6.6 million.
	Our turnaround, normally scheduled during the spring or early summer of each year, was completed during June 2014.
Use Of Estimates	Use of Estimates
	The preparation of financial statements in conformity with U.S. generally accepted accounting principles (“GAAP”) requires us to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent liabilities at the date of the Consolidated Financial Statements and the reported amounts of revenue and expenses. Significant estimates and assumptions are used for, but are not limited to, pension and other post-retirement benefits, allowance for doubtful accounts, accruals and valuation allowances, asset impairment, and environmental-related accruals. Actual results could differ from our estimates.
Subsequent Events	Subsequent Events
	We evaluate events that occur after the balance sheet date but before financial statements are issued to determine if a material event requires our amending the financial statements or disclosing the event.
Recent Accounting Standards	Recent Accounting Standards
	In May 2014, FASB issued ASU No. 2014-09, Revenue from Contracts with Customers. This ASU supersedes the revenue recognition requirements in Accounting Standards Codification 605—Revenue Recognition and most industry-specific guidance throughout the Codification. This ASU requires that an entity recognize revenue to depict the transfer of promised goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods or services. This ASU is effective for fiscal years beginning after December 15, 2016, and for interim periods within those fiscal years. We are in the process of assessing the impact of the adoption of ASU 2014-09 on the Company's financial position, results of operations and cash flows.
	In July 2013, the Financial Accounting Standards Board ("FASB") issued guidance on Income Taxes for “Presentation of an Unrecognized Tax Benefit When a Net Operating Loss Carryforward, a Similar Tax Loss, or a Tax Credit Carryforward Exists.” This guidance requires that financial statements reflect a deferred tax asset for a net operating loss carryforward, a similar tax loss, or a tax credit carryforward as reduced by any unrecognized tax benefit, or a portion of an unrecognized tax benefit. The updated guidance is effective for the Company's interim and annual periods beginning after December 15, 2013, which will be effective for us beginning fiscal 2014. We do not expect the adoption of this guidance to have a significant impact on our consolidated financial statements.

Business_And_Summary_Of_Signif2

Business And Summary Of Significant Accounting Policies (Tables)	12 Months Ended
	Dec. 31, 2014
Accounting Policies [Abstract]
Ranges Of Estimated Useful Lives	The ranges of estimated useful lives are as follows:
		Years
	Buildings	25-40
	Land improvements	20
	Machinery and equipment	20-May
	Furniture and fixtures	10-May
Schedule Of Estimated Useful Lives For Each Major Category Of Amortizable Intangible Assets	The estimated useful lives for each major category of amortizable intangible assets are:
		Years
	Trade name	10-May
	Technology and know-how	9-May
	Customer related intangible	14-May

Rationalizations_Tables

Rationalizations (Tables)	12 Months Ended
	Dec. 31, 2014
Restructuring and Related Activities [Abstract]
Schedule of Restructuring and Related Costs	Charges incurred related to the 2014 Engineered Solutions rationalization initiatives in 2014 are as follows:
		For the Year Ended December 31, 2014
	Accelerated depreciation (recorded in Cost of sales)	$	2,802
	Inventory losses (recorded in Cost of sales)	13,225
	Fixed asset write-offs and other (recorded in Cost of sales)	1,046
	Severance and related charges (recorded in Rationalizations)	2,498
	Contract terminations and other (recorded in Rationalizations)	195
	Impairments (recorded in Impairments)	121,570
	Total Engineered Solutions rationalization	$	141,336
	and related charges
	Throughout 2013 and 2014 the Company undertook rationalization plans in order to streamline our organization and lower our production costs. The following tables summarize the total rationalization and related charges incurred during 2013 and 2014 followed by the details of each plan.
		For the Year Ended December 31, 2013
		Industrial Materials Segment			Engineered Solutions Segment			Corporate, R&D and Other		Total
		(Dollars in thousands)
	Accelerated depreciation	$	28,326		$	—		$	—	$	28,326
	(recorded in Cost of sales)
	Inventory loss (recorded in Cost	7,886			896			—		8,782
	of sales)
	Fixed asset write-offs and other(recorded in Cost of sales)	6,104			2,274			—		8,378
	Other (recorded in Selling	59			—			—		59
	and administrative)
	Severance and related costs	17,072			458			1,816		19,346
	(recorded in Rationalizations)
	Contract terminations	810			—			—		810
	(recorded in Rationalizations)
	Total 2013 rationalization	$	60,257		$	3,628		$	1,816	$	65,701
	and related charges
		For the Year Ended December 31, 2014
		Industrial Materials Segment			Engineered Solutions Segment			Corporate, R&D and Other		Total
		(Dollars in thousands)
	Accelerated depreciation	$	22,388		$	3,649		$	—	$	26,037
	(recorded in Cost of sales)
	Inventory loss (recorded in Cost	961			13,711			—		14,672
	of sales)
	Fixed asset write-offs and other(recorded in Cost of sales)	5,552			1,278			—		6,830
	Accelerated depreciation	—			—			2,312		2,312
	(recorded in Research
	and development)
	Accelerated depreciation	—			—			608		608
	(recorded in Selling
	and administrative)
	Other (recorded in Selling	89			121			515		725
	and administrative)
	Severance and related costs	5,040			3,113			2,845		10,998
	(recorded in Rationalizations)
	Contract terminations	469			146			11		626
	(recorded in Rationalizations)
	Impairment of long-lived assets				121,570			—		121,570
	Total 2014 rationalization	$	34,499		$	143,588		$	6,291	$	184,378
	and related charges
	Charges incurred related to the 2014 Corporate and Research & Development rationalization initiatives for 2014 are as follows:
		For the Year Ended December 31, 2014
		(dollars in thousands)
	Accelerated depreciation (recorded in Cost of sales)	$	20
	Fixed asset write offs (recorded in Cost of sales)	178
	Accelerated depreciation (recorded in R&D)	2,312
	Accelerated depreciation (recorded in Selling and administrative)	608
	Other charges (recorded in Selling and administrative)	515
	Severance and related costs (recorded in Rationalizations)	8,096
	Contract terminations (recorded in Rationalizations)	84
	Total 2014 corporate rationalization	$	11,813
	and related charges
	Charges incurred related to the 2013 rationalization initiatives for the twelve months ended December 31, 2013 and December 31, 2014 are as follows:
		For the Year Ended December 31, 2013
	Industrial Materials Segment			Engineered Solutions Segment			Corporate, R&D and Other		Total
	(Dollars in thousands)
Accelerated depreciation	$	28,326		$	—		$	—	$	28,326
(recorded in Cost of sales)
Inventory loss (recorded in Cost	7,886			896			—		8,782
of sales)
Fixed asset write-offs and other(recorded in Cost of sales)	6,104			2,274			—		8,378
Other (recorded in Selling	59			—			—		59
and administrative)
Severance and related costs	17,072			458			1,816		19,346
(recorded in Rationalizations)
Contract terminations	810			—			—		810
(recorded in Rationalizations)
Total 2013 rationalization plan	$	60,257		$	3,628		$	1,816	$	65,701
and related charges
	For the Year Ended December 31, 2014
	Industrial Materials Segment			Engineered Solutions Segment			Corporate, R&D and Other		Total
	(Dollars in thousands)
Accelerated depreciation	$	22,388		$	827		$	—	$	23,215
(recorded in Cost of sales)
Inventory loss (recorded in Cost	961			485			—		1,446
of sales)
Fixed asset write-offs and other(recorded in Cost of sales)	5,374			233			—		5,607
Other (recorded in Selling	89			—			—		89
and administrative)
Severance and related costs	433			(28		)	—		405
(recorded in Rationalizations)
Contract terminations	469			—			—		469
(recorded in Rationalizations)
Total 2014 rationalization plan	$	29,714		$	1,517		$	—	$	31,231
and related charges
Schedule of Restructuring Reserve by Type of Cost	The following table represents the roll-forward of the liability incurred for employee termination benefits and contract termination costs incurred in connection with the the rationalization initiatives described above. This liability is recorded as a current liability on the Consolidated Balance Sheet.
		(Dollars in thousands)
	Balance as of December 31, 2012	$	—
	Charges incurred	16,159
	Change in estimates	3,997
	Payments and settlements	(1,506		)
	Effect of change in currency exchange rates	(229		)
	Balance as of December 31, 2013	18,421
	Charges incurred	613
	Change in estimates	153
	Payments and settlements	(16,494		)
	Effect of change in currency exchange rates	(1,658		)
	Balance as of December 31, 2014	$	1,035
	The following table represents the roll-forward of the liability incurred for employee termination benefits and contract termination costs incurred in connection with the 2014 Corporate and Research & Development rationalization initiatives described above. This liability is recorded as a current liability on the Consolidated Balance Sheet.
		(Dollars in thousands)
	Balance as of December 31, 2013	$	—
	Charges incurred	8,159
	Change in estimates	21
	Payments and settlements	(1,155		)
	Effect of change in currency exchange rates	(152		)
	Balance as of December 31, 2014	$	6,873
	The following table represents the roll-forward of the liability incurred for employee termination benefits and contract termination costs incurred in connection with the 2014 Engineered Solutions rationalization initiatives described above. This liability is recorded as a current liability on the Consolidated Balance Sheet.
		(Dollars in thousands)
	Balance as of December 31, 2013	$	—
	Charges incurred	2,611
	Change in estimates	(40		)
	Payments and settlements	(916		)
	Effect of change in currency exchange rates	—
	Balance as of December 31, 2014	$	1,655

Segment_Reporting_Tables

Segment Reporting (Tables)	12 Months Ended
	Dec. 31, 2014
Segment Reporting Information, Revenue for Reportable Segment [Abstract]
Schedule Of Financial Information Concerning Reportable Segments	The following tables summarize financial information concerning our reportable segments and all prior periods have been recast to reflect our new methodology:
		For the year Ended
		December 31,
		2012			2013			2014
		(Dollars in thousands)
	Net sales to external customers:
	Industrial Materials	$	1,025,571		$	909,448		$	840,103
	Engineered Solutions	222,693			257,226			245,201
	Total net sales	$	1,248,264		$	1,166,674		$	1,085,304
	Segment operating income (loss):
	Industrial Materials	$	197,335		$	20,007		$	(50,260	)
	Engineered Solutions	22,374			28,392			(138,271		)
	Corporate, R&D and Other expenses	$	(63,241	)	$	(50,969	)	$	(67,089	)
	Total segment operating income (loss)	$	156,468		$	(2,570	)	$	(255,620	)
	Reconciliation of segment operating income to income from continuing operations before provision for income taxes
	Other expense (income), net	(1,005		)	1,698			2,445
	Interest expense	23,247			36,037			37,057
	Interest income	(261		)	(203		)	(330		)
	Income (loss) before provision for income taxes	$	134,487		$	(40,102	)	$	(294,792	)
Schedule Of Long-Lived Assets By Reportable Segment [Table Text Block]
		At December 31,
		2013			2014
		(Dollars in thousands)
	Long-lived assets (a):
	Industrial Materials.	$	601,322		$	552,155
	Engineered Solutions	219,663			101,885
	Total long-lived assets	$	820,985		$	654,040
Schedule of Revenue from External Customers Attributed to Foreign Countries by Geographic Area [Table Text Block]	The following tables summarize information as to our operations in different geographic areas.
		For the year Ended
		December 31,
		2012			2013			2014
		(Dollars in thousands)
	Net sales:
	U.S.	$	372,014		$	289,866		$	284,209
	Americas	195,748			177,602			180,070
	Asia Pacific	235,658			220,945			192,230
	Europe, Middle East, Africa	444,844			478,261			428,795
	Total	$	1,248,264		$	1,166,674		$	1,085,304
Schedule of Disclosure on Geographic Areas, Long-Lived Assets in Individual Foreign Countries by Country [Table Text Block]
		At December 31,
		2013			2014
		(Dollars in thousands)
	Long-lived assets (a):
	U.S. and Canada	$	540,274		$	431,601
	Mexico	83,428			89,731
	Brazil	26,008			9,492
	France	61,264			49,602
	Spain	82,051			70,648
	South Africa	16,408			2,064
	Switzerland	4,618			287
	Other countries	6,934			615
	Total	$	820,985		$	654,040
	(a)	Long-lived assets represent fixed assets, net of accumulated depreciation.

Goodwill_And_Other_Intangible_1

Goodwill And Other Intangible Assets (Tables)	12 Months Ended
	Dec. 31, 2014
Goodwill and Intangible Assets Disclosure [Abstract]
Schedule Of Changes In The Carrying Value Of Goodwill	The changes in the Company’s carrying value of goodwill during the years ended December 31, 2013 and 2014 are as follows:
		Total
		(Dollars in Thousands)
	Balance as of December 31, 2012	$	498,261
	Translation effect	(1,451		)
	Balance as of December 31, 2013	496,810
	Impairment	(76,063		)
	Translation effect	(618		)
	Balance as of December 31, 2014	$	420,129
Schedule Of Intangible Assets With Determinable Useful Lives By Major Category	The following table summarizes acquired intangible assets with determinable useful lives by major category as of December 31, 2013 and 2014:
		2013								2014
		Gross			Accumulated			Net		Gross		Accumulated			Net
		Carrying			Amortization			Carrying		Carrying		Amortization /			Carrying
		Amount						Amount		Amount		Impairment			Amount
		(Dollars in Thousands)								(Dollars in Thousands)
	Trade name	7,900			(3,944		)	3,956		7,900		(4,817		)	3,083
	Technology and know-how	43,349			(18,582		)	24,767		43,349		(24,940		)	18,409
	Customer related intangible	110,798			(44,664		)	66,134		110,798		(57,192		)	53,606
	Total finite-lived intangible assets	$	162,047		$	(67,190	)	$	94,857	$	162,047	$	(86,949	)	$	75,098

LongTerm_Debt_And_Liquidity_Ta

Long-Term Debt And Liquidity (Tables)	12 Months Ended
	Dec. 31, 2014
Long-term Debt and Capital Lease Obligations [Abstract]
Schedule Of Long-Term Debt	The following table presents our long-term debt:
		As of December 31,
		2013		2014
		(Dollars in thousands)
	Revolving Facility	$	64,000	$	40,000
	Senior Notes	300,000		300,000
	Senior Subordinated Notes	175,675		—
	Other debt	1,918		1,615
	Total Long-Term Debt	$	541,593	$	341,615
Schedule of Short-term Debt	The following table presents our short-term debt:
		As of December 31,
		2013		2014
		(Dollars in thousands)
	Senior Subordinated Notes	—		187,973
	Other debt	1,161		131
	Total Short-Term Debt	$	1,161	$	188,104

Fair_Value_Measurements_And_De1

Fair Value Measurements And Derivative Instruments (Tables)	12 Months Ended
	Dec. 31, 2014
Fair Value Measurements And Derivative Instruments [Abstract]
Schedule Of Fair Value Of Derivatives Designated As Cash Flow Hedges	At December 31, 2013 and 2014, the fair value of our derivatives and their respective balance sheet locations are presented in the following table:
		Asset Derivatives						Liability Derivatives
		Location		Fair  Value				Location		Fair  Value
	As of December 31, 2013	(Dollars in Thousands)
	Derivatives designated as cash flow hedges:
	Foreign currency derivatives	Prepaid and other current assets		$	772			Other current liabilities		$	1,185
	Commodity derivative contracts	Prepaid and other current assets		834				Other current liabilities		—
	Total fair value			$	1,606					$	1,185
	As of December 31, 2014
	Derivatives designated as cash flow hedges:
	Foreign currency derivatives	Prepaid and other current assets		$	722			Other current liabilities		$	1,234
	Commodity derivative contracts	Prepaid and other current assets		—				Other current liabilities		7,067
	Total fair value			$	722					$	8,301
Schedule Of Fair Value Of Derivatives Designated As Fair Value Hedges
Schedule Of Realized (Gains) Losses On Derivatives Recognized In Statement Of Operations
					Amount of (Gain)/Loss
					Recognized (Effective
					Portion)
			Location of (Gain)/Loss Reclassified from Other Comprehensive Income (Effective Portion)		2013				2014
					(Dollars in Thousands)
	Derivatives designated as cash flow hedges:
	Foreign currency derivatives, excluding tax of $(145) and $85, respectively		Cost of goods sold/Other expense / (income) / Revenue		$	1,445			$	(849	)
	Commodity forward derivatives, excluding tax of $(25) and $(120), respectively		Cost of goods sold / Revenue		$	70			$	328
					Amount of (Gain)/Loss
					Recognized
			Location of (Gain)/Loss Recognized in the Consolidated Statement of Income		2013				2014
					(Dollars in thousands)
	Derivatives not designated as hedges:
	Foreign currency derivatives		Cost of goods sold/Other expense (income)		$	(1,123	)		$	1,020

Interest_Expense_Tables

Interest Expense (Tables)	12 Months Ended
	Dec. 31, 2014
Interest and Debt Expense [Abstract]
Schedule Of Interest Expense	The following table presents an analysis of interest expense:
		For the year Ended
		December 31,
		2012		2013		2014
		(Dollars in thousands)
	Interest incurred on debt	$	10,172	$	21,589	$	21,373
	Amortization of discount on Senior Subordinated Notes	10,742		11,493		12,298
	Amortization of debt issuance costs	1,712		2,504		3,339
	Supply Chain Financing mark-up	621		451		47
	Total interest expense	$	23,247	$	36,037	$	37,057

Supplementary_Balance_Sheet_De1

Supplementary Balance Sheet Detail (Tables)	12 Months Ended
	Dec. 31, 2014
Balance Sheet Related Disclosures [Abstract]
Schedule Of Amounts Recognized In Balance Sheet
		At December 31,
		2013			2014
		(Dollars in thousands)
	Inventories:
	Raw materials and supplies	$	175,192		$	122,218
	Work in process	239,114			176,141
	Finished goods	76,108			84,544
		490,414			382,903
	Prepaid expenses and other current assets:
	Prepaid expenses	$	9,554		$	9,923
	Current portion of deferred taxes	37,058			28,426
	Value added tax and other indirect taxes receivable	25,061			39,837
	Other current assets	2,117			3,437
		$	73,790		$	81,623
	Property, plant and equipment:
	Land and improvements	$	37,416		$	36,375
	Buildings	196,802			193,427
	Machinery and equipment and other	1,278,655			1,212,120
	Construction in progress	76,007			58,899
		$	1,588,880		$	1,500,821
	Other accrued liabilities:
	Payrolls (including incentive programs)	$	9,330		$	6,151
	Customer prepayments	9,599			5,534
	Employee compensation and benefits	10,136			8,932
	Other	11,874			22,702
		$	40,939		$	43,319
	Other long term obligations:
	Postretirement benefits	$	24,852		$	24,833
	Pension and related benefits	54,173			65,882
	Other	18,922			16,851
		$	97,947		$	107,566
Schedule Of Analysis Of The Allowance For Doubtful Accounts
		At December 31,
		2012			2013			2014
		(Dollars in thousands)
	Balance at beginning of year	$	4,153		$	7,573		$	6,718
	Additions	5,161			2,914			8,675
	Deductions	(1,741		)	(3,769		)	(7,922		)
	Balance at end of year	$	7,573		$	6,718		$	7,471
Schedule Of Inventory Reserves	.

Commitments_Tables

Commitments (Tables)	12 Months Ended
	Dec. 31, 2014
Commitments and Contingencies Disclosure [Abstract]
Schedule Of Lease Commitments Under Non-Cancelable Operating Leases	Lease commitments under non-cancelable operating leases extending for one year or more will require the following future payments:
		(Dollars in thousands)
	2015	$	5,411
	2016	3,138
	2017	2,607
	2018	1,450
	2019	1,256
	After 2019	1,762

Retirement_Plans_And_Postretir1

Retirement Plans And Postretirement Benefits (Tables)	12 Months Ended
	Dec. 31, 2014
General Discussion of Pension and Other Postretirement Benefits [Abstract]
Components Of Consolidated Net Pension Costs Retirement Plans	The components of our consolidated net pension costs are set forth in the following table.
		For the Year Ended December 31,
		2012							2013						2014
		U.S.				Foreign			U.S.			Foreign			U.S.			Foreign
		(Dollars in thousands)
	Service cost	$	610			$	1,095		$	870		$	1,177		$	750		$	1,107
	Interest cost	6,114				2,532			5,438			2,542			5,983			2,669
	Expected return on assets	(6,520		)		(2,299		)	(4,505		)	(2,339		)	(5,215		)	(2,516		)
	Amortization of prior service cost	—				24			—			25			—			2
	Curtailment gain	—				—			—			—			—			(28		)
	Mark-to-market loss (gain)	6,572				1,662			(11,907		)	(393		)	18,431			(534		)
		$	6,776			$	3,014		$	(10,104	)	$	1,012		$	19,949		$	700
Amounts Recognized In Other Comprehensive Income Retirement Plans	The primary driver of the mark-to-market losses in 2012 and gains in 2013 were changes in the discount rate due to interest rate fluctuations. The mark-to-market loss in 2014 was caused by changes in discount rates and mortality tables.
	Amounts recognized in other comprehensive income:
		For the Year Ended December 31,
		2012							2013						2014
		U.S.				Foreign			U.S.			Foreign			U.S.			Foreign
		(Dollars in thousands)
	Amortization of prior service cost	$	—			$	(24	)	$	—		$	(25	)	$	—		$	(26	)
	Addition to prior service cost	—				—			—			(246		)	—			—
	Effect of exchange rates	—				3			—			11			—			8
	Total recognized in other comprehensive loss	$	—			$	(21	)	$	—		$	(260	)	$	—		$	(18	)
	Total recognized in pension costs and other comprehensive loss	$	6,776			$	2,993		$	(10,104	)	$	752		$	19,949		$	682
Reconciliation Of Pension Plans' Benefit Obligations, Fair Value Of Assets Retirement Plans	The reconciliation of the beginning and ending balances of our pension plans’ benefit obligations, fair value of assets, and funded status at December 31, 2013 and 2014 are:
		At December 31,
		2013							2014
		U.S.				Foreign			U.S.			Foreign
		(Dollars in thousands)
	Changes in Benefit Obligation:
	Net benefit obligation at beginning of year	$	151,469			$	80,311		$	134,787		$	78,421
	Service cost	870				1,177			750			1,107
	Interest cost	5,438				2,542			5,983			2,669
	Participant contributions	—				342			—			288
	Plan amendments / curtailments	—				(246		)	—
	Foreign currency exchange changes	—				1,549			—			(6,171		)
	Actuarial loss (gain)	(14,433		)		(3,257		)	21,456			11,935
	Benefits paid	(8,557		)		(3,997		)	(8,608		)	(5,646		)
	Net benefit obligation at end of year	$	134,787			$	78,421		$	154,368		$	82,603
	Changes in Plan Assets:
	Fair value of plan assets at beginning of year	$	91,319			$	71,750		$	90,875		$	72,685
	Actual return on plan assets	1,979				(517		)	8,240			14,971
	Foreign currency exchange rate changes	—				1,404			—			(5,479		)
	Employer contributions	6,134				3,703			8,947			909
	Participant contributions	—				342			—			288
	Actuarial loss	—				—			—			—
	Benefits paid	(8,557		)		(3,997		)	(8,608		)	(5,646		)
	Fair value of plan assets at end of year	$	90,875			$	72,685		$	99,454		$	77,728
	Funded status (underfunded):	$	(43,912	)		$	(5,736	)	$	(54,914	)	$	(4,875	)
	Amounts recognized in accumulated other comprehensive loss:
	Prior service credit	$	—			$	(6	)	$	—		$	(25	)
	Amounts recognized in the statement of financial position:
	Non-current assets	$	—			$	—		$	—		$	1,365
	Current liabilities	(440		)		(524		)	(439		)	(324		)
	Non-current liabilities	(43,472		)		(5,214		)	(54,475		)	(5,916		)
	Net amount recognized	$	(43,912	)		$	(5,738	)	$	(54,914	)	$	(4,875	)
Fair Asset Values Of Plan Assets	The fair value of the plan assets by category is summarized below (dollars in thousands):
		31-Dec-13													31-Dec-14
		Level 1				Level 2			Level 3			Total			Level 1			Level 2			Level 3		Total
	U.S. Plan Assets
	Cash and cash equivalents	$	2,597			—			—			$	2,597		$	906		—			—		$	906
	Collective trusts	—				88,278			—			88,278			—			$	98,548		—		98,548
	Total	$	2,597			88,278			—			$	90,875		$	906		$	98,548		—		$	99,454
	International Plan Assets
	Cash and cash equivalents	$	2,549			—			—			$	2,549		$	1,364		—			—		$	1,364
	Foreign government bonds	—				$	1,142		—			1,142			—			$	1,038		—		1,038
	Investment contracts	—				—			$	58,129		58,129			—			—			$	61,990	61,990
	Fixed insurance contracts	—				—			10,865			10,865			—			—			13,336		13,336
	Total	$	2,549			$	1,142		$	68,994		$	72,685		$	1,364		$	1,038		$	75,326	$	77,728
Fair Value Hierarchy, Assets At Fair Value	The following table presents the changes for those financial instruments classified within Level 3 of the valuation hierarchy for international plan pension assets for the years ended December 31, 2013 and 2014 (dollars in thousands):
		Investment				Fixed Insurance
		Contracts				Contracts
	Balance at January 1, 2013	$	60,344			$	10,051
	Gain / contributions / currency impact	9,770				814
	Distributions	(11,987		)		—
	Balance at December 31, 2013	58,127				10,865
	Gain / contributions / currency impact	5,585				2,471
	Distributions	(1,722		)		—
	Balance at December 31, 2014	$	61,990			$	13,336
Retirement Plan Weighted Average Asset Allocations
		Percentage of Plan Assets
		as of December 31, 2014
		US			Foreign
	Equity securities	20	%		—	%
	Fixed income, debt securities, or cash	80	%		100	%
	Total	100	%		100	%
Pension Plans With An Accumulated Benefit Obligation In Excess Of Plan Assets	Information for our pension plans with an accumulated benefit obligation in excess of plan assets at December 31, 2013 and 2014 follows:
		2013							2014
		U.S.				Foreign			U.S.			Foreign
		(Dollars in thousands)
	Accumulated benefit obligation	$	134,787			$	76,915		$	154,368		$	18,756
	Fair value of plan assets	90,875				72,683			99,454			14,374
Pension Plans With Projected Benefit Obligation In Excess Of Plan Assets	Information for our pension plans with a projected benefit obligation in excess of plan assets at December 31, 2013 and 2014 follows:
		2013							2014
		U.S.				Foreign			U.S.			Foreign
		(Dollars in thousands)
	Projected benefit obligation	$	134,787			$	78,421		$	154,368		$	20,617
	Fair value of plan assets	90,875				72,685			99,454			14,374
Projected Future Pension Plan Cash Flow By Year	Following is our projected future pension plan cash flow by year:
		U.S.				Foreign
		(Dollars in thousands)
	Expected contributions in 2015:
	Expected employer contributions	$	9,084			$	974
	Expected employee contributions	—				—
	Estimated future benefit payments reflecting expected future service for the years ending December 31:
	2015	8,941				3,826
	2016	9,039				3,835
	2017	9,166				3,918
	2018	9,278				4,145
	2019	9,340				3,904
	2020-2024	47,554				22,523
Components Of Net Postretirement Costs	The components of our consolidated net postretirement costs are set forth in the following table.
		For the Year Ended December 31,
		2012							2013						2014
		U.S.				Foreign			U.S.			Foreign			U.S.			Foreign
		(Dollars in thousands)
	Service cost	$	—			$	183		$	—		$	105		—			$	71
	Interest cost	497				1,024			371			994			396			976
	Amortization of prior service credit	—				(199		)	—			(193		)	—			(180		)
	Plan amendment / curtailment	—				1,170			—			—			—			(294		)
	Mark-to-market (gain) loss	60				551			(1,284		)	(1,210		)	1,151			1,456
		$	557			$	2,729		$	(913	)	$	(304	)	$	1,547		$	2,029
Recognized In Other Comprehensive Income Postretirement Benefit Plans	Amounts recognized in other comprehensive income are:
		For the Year Ended December 31,
		2012							2013						2014
		U.S.				Foreign			U.S.			Foreign			U.S.			Foreign
		(Dollars in thousands)
	Amortization of prior service cost	$	—			$	199		$	—		$	193		$	—		$	180
	Effect of exchange rates	—				(53		)	—			133			—			148
	Total recognized in other comprehensive income	$	—			$	146		$	—		$	326		$	—		$	328
	Total recognized in net post retirement cost (benefit) and other comprehensive income	$	557			$	2,875		$	(913	)	$	22		$	1,547		$	2,357
Fair Value Of Assets Of, And The Funded Status Of, Postretirement Plans	The reconciliation of beginning and ending balances of benefit obligations under, fair value of assets of, and the funded status of, our postretirement plans is set forth in the following table:
		Postretirement Benefits at
		December 31,
		2013							2014
		U.S.				Foreign			U.S.			Foreign
		(Dollars in thousands)
	Changes in Benefit Obligation:
	Net benefit obligation at beginning of year	$	13,506			$	19,188		$	11,275		$	15,645
	Service cost	—				105			—			71
	Interest cost	371				994			396			976
	Foreign currency exchange rates	—				(2,183		)	—			(1,437		)
	Actuarial loss (gain)	(1,284		)		(1,365		)	1,151			1,511
	Gross benefits paid	(1,318		)		(1,161		)	(1,236		)	(1,068		)
	Plan amendment	—				67			—			(294		)
	Net benefit obligation at end of year	$	11,275			$	15,645		$	11,586		$	15,404
	Changes in Plan Assets:
	Fair value of plan assets at beginning of year	$	—			$	—		$	—		$	—
	Employer contributions	1,318				1,161			1,236			1,068
	Gross benefits paid	(1,318		)		(1,161		)	(1,236		)	(1,068		)
	Fair value of plan assets at end of year	$	—			$	—		$	—		$	—
	Funded status:	$	(11,275	)		$	(15,645	)	$	(11,586	)	$	(15,404	)
	Amounts recognized in accumulated other comprehensive loss:
	Prior service credit	$	—			$	1,882		$	—		$	1,554
	Amounts recognized in the statement of financial position:
	Current liabilities	$	(1,279	)		$	(1,035	)	$	(1,204	)	$	(953	)
	Non-current liabilities	(9,996		)		(14,610		)	(10,382		)	(14,451		)
	Net amount recognized	$	(11,275	)		$	(15,645	)	$	(11,586	)	$	(15,404	)
Assumptions Used To Determine Net Pension Costs And Projected Benefit Obligations	Assumptions used to determine net postretirement benefit costs and postretirement projected benefit obligation are set forth in the following table:
		Postretirement
		Benefit
		Obligations At
		December 31,
		2013			2014
	Weighted average assumptions to determine benefit obligations:
	Discount rate	5.41	%		4.82	%
	Health care cost trend on covered charges:
	Initial	7.42	%		6.55	%
	Ultimate	6.23	%		6.18	%
	Years to ultimate	3			1
		Postretirement
		Benefit
		Costs At
		December 31,
		2013			2014
	Weighted average assumptions to determine net cost:
	Discount rate	4.44	%		5.29	%
	Health care cost trend on covered charges:
	Initial	7.52	%		7.39	%
	Ultimate	5.94	%		6.18	%
	Years to ultimate	3			2
	Assumptions used to determine net pension costs and projected benefit obligations are:
		Pension Benefit
		Obligations At
		December 31,
		2013			2014
	Weighted average assumptions to determine benefit obligations:
	Discount rate	4.2	%		3.33	%
	Rate of compensation increase	2.42	%		2.08	%
		Pension Benefit
		Obligations At
		December 31,
		2013			2014
	Weighted average assumptions to determine net cost:
	Discount rate	3.58	%		4.2	%
	Expected return on plan assets	4.29	%		4.77	%
	Rate of compensation increase	2.44	%		2.42	%
One-Percentage Point Change In Assumed Health Care Cost Trend Rates	A one-percentage point change in assumed health care cost trend rates would have the following effects at December 31, 2014:
		One Percentage							One Percentage
		Point Increase							Point Decrease
		U.S.				Foreign			U.S.			Foreign
		(Dollars in thousands)
	Effect on total service cost and interest cost components	$	3			$	107		$	(3	)	$	(87	)
	Effect on benefit obligations	$	116			$	1,019		$	(110	)	$	(847	)
Projected Future Postretirement Cash Flow By Year	The following table represents projected future postretirement cash flow by year:
		U.S.				Foreign
		(Dollars in thousands)
	Expected contributions in 2015:
	Expected employer contributions	$	1,204			$	953
	Expected employee contributions	—				—
	Estimated future benefit payments reflecting expected future service for the years ending December 31:
	2015	1,204				953
	2016	1,172				985
	2017	1,124				990
	2018	1,062				999
	2019	985				1,007
	2020-2024	3,668				5,258

Management_Compensation_And_In1

Management Compensation And Incentive Plans (Tables)	12 Months Ended
	Dec. 31, 2014
Management Compensation And Incentive Plans [Abstract]
Restricted Stock And Performance Share Awards Activity	Restricted stock and performance share awards activity under the plans for the year ended December 31, 2014, was:
		Number		Weighted-
		of		Average
		Shares		Grant
				Date Fair
				Value
	Outstanding unvested at December 31, 2013	1,633,491		$	10.98
	Granted	1,466,919		5.19
	Vested	(411,062	)	12.5
	Forfeited/canceled/expired	(875,218	)	10.25
	Outstanding at December 31, 2014	1,814,130		$	6.31
Schedule Of Weighted Average Assumptions Used In Option-Pricing Model For Options Granted	The weighted average assumptions used in our Black-Scholes option-pricing model for options granted in 2012, 2013 and 2014 are:
		For the Year		For the Year		For the Year
		Ended		Ended		Ended
		December 31,		December 31,		December 31,
		2012		2013		2014
	Dividend yield	—	%	—	%	—	%
	Expected volatility	55.33%-57.32%		55.89%-57.01%		45.42%-55.89%
	Risk-free interest rate	0.66% - 0.90%		0.76% - 1.38%		1.38% - 1.66%
	Expected term in years	6 years		6 years		6 years
Stock Option Activity Under The Plans	Stock option activity under the plans for the year ended December 31, 2014 was:
		Number		Weighted-
		of		Average
		Shares		Exercise
				Price
	Outstanding at December 31, 2013	1,916,718		$	12.47
	Granted	671,939		5.82
	Exercised	(316,733	)	8.88
	Forfeited/canceled/expired	(229,850	)	11.64
	Outstanding at December 31, 2014	2,042,074		$	10.93
Schedule Of Stock Options Outstanding And Exercisable	Stock options outstanding and exercisable under our plans at December 31, 2014 are:
				Options Outstanding					Options Exercisable
	Range of Exercise Prices			Number		Weighted		Weighted	Number	Weighted
				Outstanding		Average		Average	Exercisable	Average
						Remaining		Exercise		Exercise
						Contractual		Prices		Prices
						Life in Years
	$4.24	-	$22.57	2,042,074		7.8		$10.93	1,187,758	$	13.94

Supplemental_Guarantor_Informa1

Supplemental Guarantor Information (Tables)	12 Months Ended
	Dec. 31, 2014
Consolidating Financials [Abstract]
Schedule of Condensed Cash Flow Statement [Table Text Block]
	CONDENSED CONSOLIDATING STATEMENTS OF CASH FLOWS
	For the year ended December 31, 2014
	(in thousands)
														Consolidating
										Non-				Entries and
		Parent				Guarantors				Guarantors				Eliminations				Consolidated
	Net cash (used in) provided by	$	(9,474	)		$	79,864			$	50,513			$	—			$	120,903
	operating activities:
	Cash flow from investing activities:
	Loan repayments from affiliates	6,604				—				—				(6,604		)		—
	Capital expenditures	—				(58,926		)		(26,055		)		—				(84,981		)
	Insurance recoveries	—				—				2,834				—				2,834
	Proceeds (payments) for derivatives	—				(2,195		)		170				—				(2,025		)
	Proceeds from fixed asset sales	—				1,700				3,342								5,042
	Other	—				—				178				—				178
	Net cash provided by (used in)	6,604				(59,421		)		(19,531		)		(6,604		)		(78,952		)
	investing activities
	Cash flow from financing activities:
	Loans repayments to affiliates	—				(6,604		)		—				6,604				—
	Short-term debt borrowings	—				(34		)		(987		)		—				(1,021		)
	Revolving Facility borrowings	—				183,000				86,000				—				269,000
	Revolving Facility reductions	—				(193,000		)		(100,000		)		—				(293,000		)
	Principal payments on long term debt	—				(132		)		(60		)		—				(192		)
	Supply chain financing	—				—				(9,455		)		—				(9,455		)
	Proceeds from exercise of stock options	2,813				—				—				—				2,813
	Purchase of treasury shares	(894		)		—				—				—				(894		)
	Refinancing fees and debt issuance costs	—				(2,922		)		(357		)		—				(3,279		)
	Other	951				—				—				—				951
	Net cash (used in) provided by	2,870				(19,692		)		(24,859		)		6,604				(35,077		)
	financing activities
	Net increase (decrease) in cash	—				751				6,123				—				6,874
	and cash equivalents
	Effect of exchange rate changes	—				—				(1,212		)		—				(1,212		)
	on cash and cash equivalents
	Cash and cash equivalents at	—				4,752				7,136				—				11,888
	beginning of period
	Cash and cash equivalents	$	—			$	5,503			$	12,047			$	—			$	17,550
	at end of period
Schedule of Condensed Income Statement [Table Text Block]
	CONDENSED CONSOLIDATING STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME
	For the year ended December 31, 2012
	(in thousands)
															Consolidating
											Non-				Entries and
			Parent				Guarantors				Guarantors				Eliminations				Consolidated
	Sales - affiliates		$	—			$	194,345			$	216,859			$	(411,204	)		$	—
	Sales - third party		—				566,024				682,240				—				1,248,264
	Net sales		—				760,369				899,099				(411,204		)		1,248,264
	Cost of sales		—				638,419				705,245				(411,204		)		932,460
	Gross profit		—				121,950				193,854				—				315,804
	Research and development		—				13,796				—				—				13,796
	Selling and administrative expenses		—				61,442				84,098				—				145,540
	Operating income		—				46,712				109,756				—				156,468
	Other expense (income), net		—				(2,133		)		1,128				—				(1,005		)
	Interest expense - affiliate		3,766				59				586				(4,411		)		—
	Interest expense - third party		12,992				7,977				2,278				—				23,247
	Interest income - affiliate		(59		)		(4,352		)		—				4,411				—
	Interest income - third party		—				—				(261		)		—				(261		)
	(Loss) income before income taxes		(16,699		)		45,161				106,025				—			`	134,487
	(Benefit) provision for income taxes		(5,972		)		3,981				18,837				—				16,846
	Equity in earnings of subsidiary		128,368				87,188				—				(215,556		)		—
	Net income		$	117,641			$	128,368			$	87,188			$	(215,556	)		$	117,641
	Statements of
	Comprehensive Income
	Net income (loss)		$	117,641			$	128,368			$	87,188			$	(215,556	)		$	117,641
	Other comprehensive (loss) income		(18,741		)		(18,741		)		(9,929		)		28,670				(18,741		)
	Comprehensive income (loss)		$	98,900			$	109,627			$	77,259			$	(186,886	)		$	98,900
	CONDENSED CONSOLIDATING STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME
	For the year ended December 31, 2013
	(in thousands)
															Consolidating
											Non-				Entries and
			Parent				Guarantors				Guarantors				Eliminations				Consolidated
	Sales - affiliates		$	—			$	220,354			$	149,251			$	(369,605	)		$	—
	Sales - third party		—				469,033				697,641				—				1,166,674
	Net sales		—				689,387				846,892				(369,605		)		1,166,674
	Cost of sales		—				584,819				812,394				(369,605		)		1,027,608
	Gross profit		—				104,568				34,498				—				139,066
	Research and development		—				10,437				—				—				10,437
	Selling and administrative expenses		—				40,548				70,495				—				111,043
	Rationalizations		—				2,732				17,424				—				20,156
	Operating income		—				50,851				(53,421		)		—				(2,570		)
	Other expense (income), net		—				(176		)		1,874				—				1,698
	Interest expense - affiliate		—				1,364				670				(2,034		)		—
	Interest expense - third party		31,294				3,029				1,714				—				36,037
	Interest income - affiliate		(1,233		)		(670		)		(131		)		2,034				—
	Interest income - third party		—				—				(203		)		—				(203		)
	(Loss) income before income taxes		(30,061		)		47,304				(57,345		)		—			`	(40,102		)
	(Benefit) provision for income taxes		(10,659		)		9,111				(11,295		)		—				(12,843		)
	Equity in earnings of subsidiary		(7,857		)		(46,050		)		—				53,907				—
	Net income		$	(27,259	)		$	(7,857	)		$	(46,050	)		$	53,907			$	(27,259	)
	Statements of
	Comprehensive Income
	Net (loss) income		$	(27,259	)		$	(7,857	)		$	(46,050	)		$	53,907			$	(27,259	)
	Other comprehensive (loss) income		(11,946		)		(11,946		)		(13,601		)		25,547				(11,946		)
	Comprehensive income (loss)		$	(39,205	)		$	(19,803	)		$	(59,651	)		$	79,454			$	(39,205	)
	CONDENSED CONSOLIDATING STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME
	For the year ended December 31, 2014
	(in thousands)
															Consolidating
											Non-				Entries and
			Parent				Guarantors				Guarantors				Eliminations				Consolidated
Sales - affiliates		$	—			$	263,742			$	150,346			$	(414,088	)		$	—
Sales - third party		—				422,991				662,313				—				1,085,304
Net sales		—				686,733				812,659				(414,088		)		1,085,304
Cost of sales		—				630,031				777,114				(414,088		)		993,057
Gross profit		—				56,702				35,545				—				92,247
Research and development		—				14,844				—				—				14,844
Selling and administrative expenses		—				55,454				68,724				—				124,178
Impairments		—				186,552				10,668								197,220
Rationalizations		—				9,109				2,516				—				11,625
Operating income		—				(209,257		)		(46,363		)		—				(255,620		)
Other expense (income), net		—				1,575				870				—				2,445
Interest expense - affiliate		—				806				—				(806		)		—
Interest expense - third party		32,118				4,037				902				—				37,057
Interest income - affiliate		(806		)		—				—				806				—
Interest income - third party		—				(11		)		(319		)		—				(330		)
(Loss) income before income taxes		(31,312		)		(215,664		)		(47,816		)		—			`	(294,792		)
(Benefit) provision for income taxes		3,319				(5,618		)		(7,117		)		—				(9,416		)
Equity in earnings of subsidiary		(251,495		)		(40,699		)		—				292,194				—
Net income		$	(286,126	)		$	(250,745	)		$	(40,699	)		$	292,194			$	(285,376	)
Statements of
Comprehensive Income
Net income		$	(286,126	)		$	(250,745	)		$	(40,699	)		$	292,194			$	(285,376	)
Other comprehensive income:		(43,900		)		(43,900		)		(28,650		)		72,550				(43,900		)
Comprehensive (loss) income		$	(330,026	)		$	(294,645	)		$	(69,349	)		$	364,744			$	(329,276	)
Schedule of Condensed Balance Sheet [Table Text Block]
	CONDENSED CONSOLIDATING BALANCE SHEETS
	As of December 31, 2013
	(in thousands)
															Consolidating
											Non-				Entries and
			Parent				Guarantors				Guarantors				Eliminations				Consolidated
	ASSETS
	Current Assets:
	Cash and cash equivalents		$	—			$	4,752			$	7,136			$	—			$	11,888
	Accounts receivable - affiliates		42,410				28,551				15,824				(86,785		)		—
	Accounts receivable - trade		—				48,998				150,568				—				199,566
	Inventories		—				174,935				315,479				—				490,414
	Prepaid and other current assets		—				22,555				51,235				—				73,790
	Total current assets		42,410				279,791				540,242				(86,785		)		775,658
	Investment in affiliates		1,709,914				828,012				—				(2,537,926		)		—
	Property, plant and equipment		—				540,273				280,712				—				820,985
	Deferred income taxes		—				—				10,334				—				10,334
	Goodwill		—				293,162				203,648				—				496,810
	Notes receivable - affiliate		51,090				7,413				—				(58,503		)		—
	Other assets		4,752				53,447				55,862				—				114,061
	Total Assets		$	1,808,166			$	2,002,098			$	1,090,798			$	(2,683,214	)		$	2,217,848
	LIABILITIES AND
	STOCKHOLDERS' EQUITY
	Current Liabilities:
	Accounts payable - affiliate		$	—			$	58,206			$	28,579			$	(86,785	)		$	—
	Accounts payable - trade		—				41,971				73,241				—				115,212
	Short-term debt		—				165				996				—				1,161
	Accrued income and other taxes		2,678				4,736				23,273				—				30,687
	Rationalizations		—				1,890				16,531				—				18,421
	Supply chain financing liability		—				—				9,455				—				9,455
	Other accrued liabilities		2,444				12,404				26,091				—				40,939
	Total current liabilities		5,122				119,372				178,166				(86,785		)		215,875
	Long-term debt - affiliate		—				51,090				7,413				(58,503		)		—
	Long-term debt - third party		475,675				50,525				15,393				—				541,593
	Other long-term obligations		—				66,590				31,357				—				97,947
	Deferred income taxes		6,620				4,607				30,457				—				41,684
	Stockholders' equity		1,320,749				1,709,914				828,012				(2,537,926		)		1,320,749
	Total Liabilities and Stockholders' Equity		$	1,808,166			$	2,002,098			$	1,090,798			$	(2,683,214	)		$	2,217,848
	CONDENSED CONSOLIDATING BALANCE SHEETS
	As of December 31, 2014
	(in thousands)
															Consolidating
											Non-				Entries and
			Parent				Guarantors				Guarantors				Eliminations				Consolidated
	ASSETS
	Current Assets:
	Cash and cash equivalents		$	—			$	5,503			$	12,047			$	—			$	17,550
	Accounts receivable - affiliates		40,474				35,618				40,185				(116,277		)		—
	Accounts receivable - trade		—				45,861				117,058				—				162,919
	Inventories		—				148,080				234,823				—				382,903
	Prepaid and other current assets		—				17,336				64,287				—				81,623
	Total current assets		40,474				252,398				468,400				(116,277		)		644,995
	Investment in affiliates		1,414,278				762,251				—				(2,176,529		)		—
	Property, plant and equipment		—				431,602				222,438				—				654,040
	Deferred income taxes		—				—				16,819				—				16,819
	Goodwill		—				217,099				203,030				—				420,129
	Notes receivable - affiliate		35,722				7,413				—				(43,135		)		—
	Other assets		4,110				45,617				48,095				—				97,822
	Total Assets		$	1,494,584			$	1,716,380			$	958,782			$	(2,335,941	)		$	1,833,805
	LIABILITIES AND
	STOCKHOLDERS' EQUITY
	Current Liabilities:
	Accounts payable - affiliate		$	—			$	80,659			$	35,618			$	(116,277	)		$	—
Accounts payable - trade		47				35,435				50,927				—				86,409
Short-term debt		187,973				131				—				—				188,104
Accrued income and other taxes		344				3,380				20,782				—				24,506
Rationalizations		—				7,538				2,025				—				9,563
Supply chain financing liability		—				—				—				—				—
Other accrued liabilities		2,444				15,252				25,623				—				43,319
Total current liabilities		190,808				142,395				134,975				(116,277		)		351,901
Long-term debt - affiliate		—				35,722				7,413				(43,135		)		—
Long-term debt - third party		300,000				40,393				1,222				—				341,615
Other long-term obligations		—				77,724				29,842				—				107,566
Deferred income taxes		—				5,118				23,079				—				28,197
Stockholders' equity		1,003,776				1,415,028				762,251				(2,176,529		)		1,004,526
Total Liabilities and Stockholders' Equity		$	1,494,584			$	1,716,380			$	958,782			$	(2,335,941	)		$	1,833,805

Contingencies_Tables

Contingencies (Tables)	12 Months Ended
	Dec. 31, 2014
Loss Contingency [Abstract]
Schedule Of Product Warranties Accrual	Claims accrued but not yet paid and the related activity within the reserve for 2013 and 2014 are as follows:
		(Dollars in Thousands)
	Balance at December 31, 2013	$	1,050
	Product warranty charges/adjustments	173
	Payments and settlements	(300		)
	Balance at December 31, 2014	$	923

Income_Taxes_Tables

Income Taxes (Tables)	12 Months Ended
	Dec. 31, 2014
Income Tax Disclosure [Abstract]
Schedule Of U.S. And Non-U.S. Components Of Income (Loss) Before Provision (Benefit) For Income Taxes	The following table summarizes the U.S. and non-U.S. components of income (loss) before provision (benefit) for income taxes:
		For the Year Ended
		December 31,
		2012			2013			2014
		(Dollars in thousands)
	U.S.	$	29,422		$	8,495		$	(255,043	)
	Non-U.S.	105,065			(48,597		)	(39,749		)
		$	134,487		$	(40,102	)	$	(294,792	)
Schedule Of Income Tax Expense (Benefit)	Income tax expense (benefit) consists of the following:
		For the Year Ended
		December 31,
		2012			2013			2014
		(Dollars in thousands)
	U.S income taxes:
	Current	$	(6,529	)	$	4,104		$	(1,762	)
	Deferred	4,543			(5,652		)	(537		)
		(1,986		)	(1,548		)	(2,299		)
	Non-U.S. income taxes:
	Current	12,371			5,422			8,349
	Deferred	6,461			(16,717		)	(15,466		)
		18,832			(11,295		)	(7,117		)
	Total income tax expense (benefit)	$	16,846		$	(12,843	)	$	(9,416	)
Schedule Of Income Tax Expense (Benefit) Computed By Applying The U.S. Federal Income Tax Rate	Income tax expense (benefit) differed from the amounts computed by applying the U.S. federal income tax rate of 35% to income before provision (benefit) for income taxes as set forth in the following table:
		For the Year Ended
		December 31,
		2012			2013			2014
		(Dollars in thousands)
	Tax at statutory U.S. federal rate	$	47,071		$	(14,036	)	$	(103,177	)
	U.S. valuation allowance, net	(1,800		)	(700		)	73,350
	State taxes, net of federal tax benefit	593			(371		)	(4,387		)
	U.S. tax return adjustments to estimated taxes	588			(1,032		)	(368		)
	Establishment (resolution) of uncertain tax positions	(8,118		)	(752		)	(513		)
	Adjustment for foreign income taxed at different rates	(15,553		)	6,832			7,376
	U.S. tax credits	(2,200		)	(2,577		)	(1,000		)
	Non-U.S. tax exemptions, holidays and credits	(4,259		)	—			—
	Goodwill impairment	—			—			17,161
	Capital loss expiration	—			—			2,422
	Other	524			(207		)	(280		)
	Total income tax (benefit) expense	$	16,846		$	(12,843	)	$	(9,416	)
Schedule Of Deferred Tax Assets And Deferred Tax Liabilities	The tax effects of temporary differences that give rise to significant components of the deferred tax assets and deferred tax liabilities at December 31, 2013, and December 31, 2014 are set forth in the following table:
		At December 31,
		2013			2014
		(Dollars in thousands)
	Deferred tax assets:
	Postretirement and other employee benefits	$	41,604		$	43,204
	Foreign tax credit and other carryforwards	46,283			64,214
	Capitalized research and experimental costs	20,243			23,446
	Environmental reserves	3,503			3,366
	Inventory adjustments	16,255			19,568
	Capital loss	2,697			272
	Long-term contract option amortization	—			2,214
	Provision for rationalization charges	17,410			17,255
	Other	5,889			6,288
	Total gross deferred tax assets	153,884			179,827
	Less: valuation allowance	(20,411		)	(95,721		)
	Total deferred tax assets	133,473			84,106
	Deferred tax liabilities:
	Fixed assets	$	109,824		$	59,292
	Debt discount amortization	6,620			3,301
	Inventory	9,212			6,865
	Goodwill and acquired intangibles	10,813			1,046
	Other	2,204			3,761
	Total deferred tax liabilities	138,673			74,265
	Net deferred tax (liability) asset	$	(5,200	)	$	9,841
Schedule Of Valuation Allowance Activity	Valuation allowance activity for the years ended December 31, 2012, 2013 and 2014 is as follows:
		For the year ended
		December 31,
		2012			2013			2014
		(Dollars in thousands)
	Balance at January 1	$	25,509		$	26,312		$	20,411
	(Credited) / charged to income	(1,800		)	(614		)	74,157
	Translation adjustment	(52		)	(746		)	(800		)
	Changes attributable to movement in underlying assets	2,655			(4,541		)	1,953
	Balance at December 31	$	26,312		$	20,411		$	95,721
Reconciliation Of The Beginning And Ending Amount Of Unrecognized Tax Benefits	A reconciliation of the beginning and ending amount of unrecognized tax benefits is as follows:
		As of December 31,
		2012			2013			2014
		(Dollars in thousands)
	Balance at January 1	$	16,788		$	9,769		$	7,203
	Additions based on tax positions related to the current year	90			881			268
	Additions for tax positions of prior years	4,643			323			232
	Reductions for tax positions of prior years	(11,019		)	(2,779		)	(1,204		)
	Lapse of statutes of limitations	(163		)	—			(1,180		)
	Settlements	(576		)	(988		)	(1,503		)
	Foreign currency impact	6			(3		)	(106		)
	Balance at December 31	$	9,769		$	7,203		$	3,710

Earnings_Per_Share_Tables

Earnings Per Share (Tables)	12 Months Ended
	Dec. 31, 2014
Earnings Per Share [Abstract]
Schedule Of Calculation Of Basic And Diluted Earnings Per Share	The following table shows the information used in the calculation of our basic and diluted earnings per share as of December 31:
		At December 31,
		2012	2013	2014
		(Dollars in thousands)
	Weighted average common shares outstanding for basic calculation	138,551,804	135,067,278	136,155,295
	Add: Effect of stock options and restricted stock	1,148,300	—	—
	Weighted average common shares outstanding for diluted calculation	139,700,104	135,067,278	136,155,295

Accumulated_Other_Comprehensiv1

Accumulated Other Comprehensive Loss (Tables)	12 Months Ended
	Dec. 31, 2014
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]
Schedule Of Accumulated Other Comprehensive Loss	The balance in our accumulated other comprehensive loss is set forth in the following table:
		For year ended
		December 31,
		2013			2014
		(Dollars in thousands)
	Foreign currency translation adjustments	$	295,192		$	328,233
	Commodities and foreign currency derivatives and other, net of tax	(2,568		)	8,291
	of ($300) and ($63), respectively
	Total accumulated comprehensive loss	$	292,624		$	336,524

Business_And_Summary_Of_Signif3

Business And Summary Of Significant Accounting Policies (Narrative) (Details) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Business And Summary Of Significant Accounting Policies [Line Items]
Depreciation expense	$100,400,000	$102,900,000	$59,600,000
Capitalized bank fees	9,700,000	9,800,000
Amortization of capitalized bank fees	3,339,000	2,504,000	1,712,000
Environmental remediation, compliance and management expenses	17,000,000	14,600,000	15,800,000
Accrued liability relating to environmental remediation	6,900,000	7,000,000
Total costs capitalized	15,600,000	17,800,000
Amortization expense	500,000	1,000,000	1,400,000
Deferred costs	13,300,000	7,500,000
Amortized costs	6,600,000	7,800,000
Quantifying Misstatement in Current Year Financial Statements, Amount	2,700,000
Quantifying Misstatement of Current Year Financial Statements, Amount Net of Tax	1,800,000
Capitalized Bank Fees [Member]
Business And Summary Of Significant Accounting Policies [Line Items]
Amortization of capitalized bank fees	$3,300,000	$2,500,000	$1,700,000

Business_And_Summary_Of_Signif4

Business And Summary Of Significant Accounting Policies (Ranges Of Estimated Useful Lives) (Details)	12 Months Ended
	Dec. 31, 2014
Land Improvements [Member]
Property, Plant and Equipment [Line Items]
Estimated useful life	20 years
Minimum [Member] | Buildings [Member]
Property, Plant and Equipment [Line Items]
Estimated useful life	25 years
Minimum [Member] | Machinery And Equipment [Member]
Property, Plant and Equipment [Line Items]
Estimated useful life	5 years
Minimum [Member] | Furniture And Fixtures [Member]
Property, Plant and Equipment [Line Items]
Estimated useful life	5 years
Maximum [Member] | Buildings [Member]
Property, Plant and Equipment [Line Items]
Estimated useful life	40 years
Maximum [Member] | Machinery And Equipment [Member]
Property, Plant and Equipment [Line Items]
Estimated useful life	20 years
Maximum [Member] | Furniture And Fixtures [Member]
Property, Plant and Equipment [Line Items]
Estimated useful life	10 years

Business_And_Summary_Of_Signif5

Business And Summary Of Significant Accounting Policies (Schedule Of Estimated Useful Lives For Each Major Category Of Amortizable Intangible Assets) (Details)	12 Months Ended
	Dec. 31, 2014
Minimum [Member] | Trade Name [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated useful lives	5 years
Minimum [Member] | Technological Know-How [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated useful lives	5 years
Minimum [Member] | Customer Related Intangible [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated useful lives	5 years
Maximum [Member] | Trade Name [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated useful lives	10 years
Maximum [Member] | Technological Know-How [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated useful lives	9 years
Maximum [Member] | Customer Related Intangible [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated useful lives	14 years

Acquisitions_Narrative_Details

Acquisitions (Narrative) (Details) (USD $)	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
In Thousands, unless otherwise specified
Business Acquisition [Line Items]
Goodwill	$420,129	$496,810	$498,261

Rationalizations_Rollforward_o

Rationalizations Rollforward of Rationalization Liability (Details) (USD $)	3 Months Ended	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Restructuring Cost and Reserve [Line Items]
Incurred Cost		$11,625,000	$20,156,000	$0
Impairment of long-lived assets and goodwill	75,700,000	197,220,000	0	0
Rationalization Plan [Member]
Restructuring Cost and Reserve [Line Items]
Incurred Cost		184,378,000	65,701,000
Impairment of long-lived assets and goodwill		121,570,000
Rationalization Plan [Member] | Cost of Sales [Member]
Restructuring Cost and Reserve [Line Items]
Accelerated depreciation (recorded in Cost of sales)		26,037,000	28,326,000
Inventory Loss		14,672,000	8,782,000
Fixed Asset Write-offs and Other		6,830,000	8,378,000
Rationalization Plan [Member] | Selling, General and Administrative Expenses [Member]
Restructuring Cost and Reserve [Line Items]
Accelerated depreciation (recorded in Cost of sales)		608,000
Incurred Cost		725,000	59,000
Rationalization Plan [Member] | Rationalizations [Member]
Restructuring Cost and Reserve [Line Items]
Incurred Cost		626,000	810,000
Rationalization Plan [Member] | Research and Development Expense [Member]
Restructuring Cost and Reserve [Line Items]
Accelerated depreciation (recorded in Cost of sales)		2,312,000
Rationalization Plan [Member] | Employee Severance [Member] | Rationalizations [Member]
Restructuring Cost and Reserve [Line Items]
Incurred Cost		10,998,000	19,346,000
Rationalization Plan [Member] | Industrial Materials [Member]
Restructuring Cost and Reserve [Line Items]
Incurred Cost		34,499,000	60,257,000
Rationalization Plan [Member] | Industrial Materials [Member] | Cost of Sales [Member]
Restructuring Cost and Reserve [Line Items]
Accelerated depreciation (recorded in Cost of sales)		22,388,000	28,326,000
Inventory Loss		961,000	7,886,000
Fixed Asset Write-offs and Other		5,552,000	6,104,000
Rationalization Plan [Member] | Industrial Materials [Member] | Selling, General and Administrative Expenses [Member]
Restructuring Cost and Reserve [Line Items]
Accelerated depreciation (recorded in Cost of sales)		0
Incurred Cost		89,000	59,000
Rationalization Plan [Member] | Industrial Materials [Member] | Rationalizations [Member]
Restructuring Cost and Reserve [Line Items]
Incurred Cost		469,000	810,000
Rationalization Plan [Member] | Industrial Materials [Member] | Research and Development Expense [Member]
Restructuring Cost and Reserve [Line Items]
Accelerated depreciation (recorded in Cost of sales)		0
Rationalization Plan [Member] | Industrial Materials [Member] | Employee Severance [Member] | Rationalizations [Member]
Restructuring Cost and Reserve [Line Items]
Incurred Cost		5,040,000	17,072,000
Rationalization Plan [Member] | Engineered Solutions [Member]
Restructuring Cost and Reserve [Line Items]
Incurred Cost		143,588,000	3,628,000
Impairment of long-lived assets and goodwill		121,570,000
Rationalization Plan [Member] | Engineered Solutions [Member] | Cost of Sales [Member]
Restructuring Cost and Reserve [Line Items]
Accelerated depreciation (recorded in Cost of sales)		3,649,000	0
Inventory Loss		13,711,000	896,000
Fixed Asset Write-offs and Other		1,278,000	2,274,000
Rationalization Plan [Member] | Engineered Solutions [Member] | Selling, General and Administrative Expenses [Member]
Restructuring Cost and Reserve [Line Items]
Accelerated depreciation (recorded in Cost of sales)		0
Incurred Cost		121,000	0
Rationalization Plan [Member] | Engineered Solutions [Member] | Rationalizations [Member]
Restructuring Cost and Reserve [Line Items]
Incurred Cost		146,000	0
Rationalization Plan [Member] | Engineered Solutions [Member] | Research and Development Expense [Member]
Restructuring Cost and Reserve [Line Items]
Accelerated depreciation (recorded in Cost of sales)		0
Rationalization Plan [Member] | Engineered Solutions [Member] | Employee Severance [Member] | Rationalizations [Member]
Restructuring Cost and Reserve [Line Items]
Incurred Cost		3,113,000	458,000
Rationalization Plan [Member] | Corporate and Other [Member]
Restructuring Cost and Reserve [Line Items]
Incurred Cost		6,291,000	1,816,000
Impairment of long-lived assets and goodwill		0
Rationalization Plan [Member] | Corporate and Other [Member] | Cost of Sales [Member]
Restructuring Cost and Reserve [Line Items]
Accelerated depreciation (recorded in Cost of sales)		0	0
Inventory Loss		0	0
Fixed Asset Write-offs and Other		0	0
Rationalization Plan [Member] | Corporate and Other [Member] | Selling, General and Administrative Expenses [Member]
Restructuring Cost and Reserve [Line Items]
Accelerated depreciation (recorded in Cost of sales)		608,000
Incurred Cost		515,000	0
Rationalization Plan [Member] | Corporate and Other [Member] | Rationalizations [Member]
Restructuring Cost and Reserve [Line Items]
Incurred Cost		11,000	0
Rationalization Plan [Member] | Corporate and Other [Member] | Research and Development Expense [Member]
Restructuring Cost and Reserve [Line Items]
Accelerated depreciation (recorded in Cost of sales)		2,312,000
Rationalization Plan [Member] | Corporate and Other [Member] | Employee Severance [Member] | Rationalizations [Member]
Restructuring Cost and Reserve [Line Items]
Incurred Cost		2,845,000	1,816,000
2013 Rationalization Initiatives [Member]
Restructuring Cost and Reserve [Line Items]
Accelerated depreciation (recorded in Cost of sales)		23,200,000	28,300,000
Incurred Cost		31,231,000	65,701,000
2013 Rationalization Initiatives [Member] | Cost of Sales [Member]
Restructuring Cost and Reserve [Line Items]
Accelerated depreciation (recorded in Cost of sales)		23,215,000	28,326,000
Inventory Loss		1,446,000	8,782,000
Fixed Asset Write-offs and Other		5,607,000	8,378,000
2013 Rationalization Initiatives [Member] | Selling, General and Administrative Expenses [Member]
Restructuring Cost and Reserve [Line Items]
Incurred Cost		89,000	59,000
2013 Rationalization Initiatives [Member] | Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Incurred Cost			20,200,000
2013 Rationalization Initiatives [Member] | Employee Severance [Member] | Rationalizations [Member]
Restructuring Cost and Reserve [Line Items]
Incurred Cost		405,000	19,346,000
2013 Rationalization Initiatives [Member] | Special Termination Benefits [Member]
Restructuring Cost and Reserve [Line Items]
Incurred Cost		900,000
2013 Rationalization Initiatives [Member] | Special Termination Benefits [Member] | Rationalizations [Member]
Restructuring Cost and Reserve [Line Items]
Incurred Cost		469,000	810,000
2013 Rationalization Initiatives [Member] | Industrial Materials [Member]
Restructuring Cost and Reserve [Line Items]
Incurred Cost		29,714,000	60,257,000
2013 Rationalization Initiatives [Member] | Industrial Materials [Member] | Cost of Sales [Member]
Restructuring Cost and Reserve [Line Items]
Accelerated depreciation (recorded in Cost of sales)		22,388,000	28,326,000
Inventory Loss		961,000	7,886,000
Fixed Asset Write-offs and Other		5,374,000	6,104,000
2013 Rationalization Initiatives [Member] | Industrial Materials [Member] | Selling, General and Administrative Expenses [Member]
Restructuring Cost and Reserve [Line Items]
Incurred Cost		89,000	59,000
2013 Rationalization Initiatives [Member] | Industrial Materials [Member] | Employee Severance [Member] | Rationalizations [Member]
Restructuring Cost and Reserve [Line Items]
Incurred Cost		433,000	17,072,000
2013 Rationalization Initiatives [Member] | Industrial Materials [Member] | Special Termination Benefits [Member] | Rationalizations [Member]
Restructuring Cost and Reserve [Line Items]
Incurred Cost		469,000	810,000
2013 Rationalization Initiatives [Member] | Engineered Solutions [Member]
Restructuring Cost and Reserve [Line Items]
Incurred Cost		1,517,000	3,628,000
2013 Rationalization Initiatives [Member] | Engineered Solutions [Member] | Cost of Sales [Member]
Restructuring Cost and Reserve [Line Items]
Accelerated depreciation (recorded in Cost of sales)		827,000	0
Inventory Loss		485,000	896,000
Fixed Asset Write-offs and Other		233,000	2,274,000
2013 Rationalization Initiatives [Member] | Engineered Solutions [Member] | Selling, General and Administrative Expenses [Member]
Restructuring Cost and Reserve [Line Items]
Incurred Cost		0	0
2013 Rationalization Initiatives [Member] | Engineered Solutions [Member] | Employee Severance [Member] | Rationalizations [Member]
Restructuring Cost and Reserve [Line Items]
Incurred Cost		-28,000	458,000
2013 Rationalization Initiatives [Member] | Engineered Solutions [Member] | Special Termination Benefits [Member] | Rationalizations [Member]
Restructuring Cost and Reserve [Line Items]
Incurred Cost		0	0
2013 Rationalization Initiatives [Member] | Corporate and Other [Member]
Restructuring Cost and Reserve [Line Items]
Incurred Cost		0	1,816,000
2013 Rationalization Initiatives [Member] | Corporate and Other [Member] | Cost of Sales [Member]
Restructuring Cost and Reserve [Line Items]
Accelerated depreciation (recorded in Cost of sales)		0	0
Inventory Loss		0	0
Fixed Asset Write-offs and Other		0	0
2013 Rationalization Initiatives [Member] | Corporate and Other [Member] | Selling, General and Administrative Expenses [Member]
Restructuring Cost and Reserve [Line Items]
Incurred Cost		0	0
2013 Rationalization Initiatives [Member] | Corporate and Other [Member] | Employee Severance [Member] | Rationalizations [Member]
Restructuring Cost and Reserve [Line Items]
Incurred Cost		0	1,816,000
2013 Rationalization Initiatives [Member] | Corporate and Other [Member] | Special Termination Benefits [Member] | Rationalizations [Member]
Restructuring Cost and Reserve [Line Items]
Incurred Cost		$0	$0

Rationalizations_Rationalizati

Rationalizations Rationalization Costs Incurred (Details) (USD $)	12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2012	Dec. 31, 2013
Restructuring Reserve [Roll Forward]
Restructuring Reserve	$18,421
Charges incurred	613	16,159
Change in estimates	-153	-3,997
Payments and settlements	-16,494	-1,506
Effect of change in currency exchange rates	-1,658	-229
Restructuring Reserve	1,035	0
2014 Engineered Solutions Rationalization [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve			1,655
Charges incurred		2,611
Change in estimates		-40
Payments and settlements		-916
Effect of change in currency exchange rates		0
Restructuring Reserve		0	1,655
2014 Corporate and Research & Development Rationalization [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve	0
Charges incurred	8,159
Change in estimates	-21
Payments and settlements	-1,155
Effect of change in currency exchange rates	-152
Restructuring Reserve	$6,873

Rationalizations_Total_Engeine

Rationalizations Total Engeineered Solutions Rationalization and Related Charges (Details) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Restructuring Cost and Reserve [Line Items]
Rationalizations	$11,625,000	$20,156,000	$0
2014 Corporate and Research & Development Rationalization [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring costs	11,813,000
2014 Corporate and Research & Development Rationalization [Member] | Cost of Sales [Member]
Restructuring Cost and Reserve [Line Items]
Accelerated depreciation (recorded in Cost of sales)	20,000
Fixed Asset Write-offs and Other	178,000
2014 Corporate and Research & Development Rationalization [Member] | Selling, General and Administrative Expenses [Member]
Restructuring Cost and Reserve [Line Items]
Accelerated depreciation (recorded in Cost of sales)	608,000
Rationalizations	515,000
2014 Engineered Solutions Rationalization [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring costs	141,336,000
2014 Engineered Solutions Rationalization [Member] | Cost of Sales [Member]
Restructuring Cost and Reserve [Line Items]
Accelerated depreciation (recorded in Cost of sales)	2,802,000
Other (recorded in Cost of sales)	13,225,000
2014 Engineered Solutions Rationalization [Member] | Rationalizations [Member]
Restructuring Cost and Reserve [Line Items]
Severance and related charges (recorded in Rationalizations)	2,498,000
Contract terminations and other (recorded in Rationalizations)	195,000
2014 Engineered Solutions Rationalization [Member] | Impairments [Member]
Restructuring Cost and Reserve [Line Items]
Impairments (recorded in Impairments)	121,570,000
2013 Rationalization Initiatives [Member]
Restructuring Cost and Reserve [Line Items]
Accelerated depreciation (recorded in Cost of sales)	23,200,000	28,300,000
Rationalizations	31,231,000	65,701,000
2013 Rationalization Initiatives [Member] | Cost of Sales [Member]
Restructuring Cost and Reserve [Line Items]
Accelerated depreciation (recorded in Cost of sales)	23,215,000	28,326,000
Fixed Asset Write-offs and Other	5,607,000	8,378,000
2013 Rationalization Initiatives [Member] | Selling, General and Administrative Expenses [Member]
Restructuring Cost and Reserve [Line Items]
Rationalizations	89,000	59,000
Employee Severance [Member] | 2014 Corporate and Research & Development Rationalization [Member] | Rationalizations [Member]
Restructuring Cost and Reserve [Line Items]
Rationalizations	8,096,000
Employee Severance [Member] | 2013 Rationalization Initiatives [Member]
Restructuring Cost and Reserve [Line Items]
Rationalizations		20,200,000
Employee Severance [Member] | 2013 Rationalization Initiatives [Member] | Rationalizations [Member]
Restructuring Cost and Reserve [Line Items]
Rationalizations	405,000	19,346,000
Special Termination Benefits [Member] | 2014 Corporate and Research & Development Rationalization [Member] | Rationalizations [Member]
Restructuring Cost and Reserve [Line Items]
Rationalizations	84,000
Special Termination Benefits [Member] | 2013 Rationalization Initiatives [Member]
Restructuring Cost and Reserve [Line Items]
Rationalizations	900,000
Special Termination Benefits [Member] | 2013 Rationalization Initiatives [Member] | Rationalizations [Member]
Restructuring Cost and Reserve [Line Items]
Rationalizations	$469,000	$810,000

Acquisitions_Summary_Of_The_Th

Acquisitions (Summary Of The Third-Party Debt Assumed And Not Repaid In Connection With The Close Of The Acquisitions) (Details)	0 Months Ended
	Nov. 30, 2010
Pennsylvania Industrial Development Authority Mortgage Note Due Two Thousand Eighteen Interest Rate Of Three Percentage [Member]
Business Acquisition [Line Items]
Stated interest rate	3.00%
Debt Instrument Maturity Dates	2018
Secured Promisory Note Due Two Thousand Fourteen Interest Rate Of Six Point Two Five Percent [Member]
Business Acquisition [Line Items]
Stated interest rate	6.25%
Debt Instrument Maturity Dates	2014

Rationalizations_Rationalizati1

Rationalizations Rationalization Text (Details) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Restructuring Cost and Reserve [Line Items]
Goodwill, Impairment Loss	$76,063,000
Rationalizations	11,625,000	20,156,000	0
2013 Industrial Materials Rationalization [Member]
Restructuring Cost and Reserve [Line Items]
Estimated Reduction in Capacity	60,000
Restructuring and Related Cost, Expected Number of Positions Eliminated	600
Restructuring and Related Cost, Number of Positions Eliminated, Period Percent		20.00%
2013 Engineered Solutions Rationalization [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Number of Positions Eliminated	40
2013 Rationalization Initiatives [Member]
Restructuring Cost and Reserve [Line Items]
Rationalizations	31,231,000	65,701,000
Accelerated depreciation (recorded in Cost of sales)	23,200,000	28,300,000
Other Restructuring Costs, Cost of Sales	7,100,000	17,200,000
2013 Rationalization Initiatives [Member] | Industrial Materials [Member]
Restructuring Cost and Reserve [Line Items]
Rationalizations	29,714,000	60,257,000
2013 Rationalization Initiatives [Member] | Engineered Solutions [Member]
Restructuring Cost and Reserve [Line Items]
Rationalizations	1,517,000	3,628,000
2014 Engineered Solutions Rationalization [Member]
Restructuring Cost and Reserve [Line Items]
Goodwill, Impairment Loss		400,000
Other Restructuring Costs, Cost of Sales	19,800,000
Impairments [Member] | 2014 Engineered Solutions Rationalization [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost	25,000,000
Impairments (recorded in Impairments)	121,570,000
Expected Payments for Restructuring	19,800,000
Employee Severance [Member] | 2013 Rationalization Initiatives [Member]
Restructuring Cost and Reserve [Line Items]
Rationalizations		20,200,000
Special Termination Benefits [Member] | 2013 Rationalization Initiatives [Member]
Restructuring Cost and Reserve [Line Items]
Rationalizations	$900,000

Segment_Reporting_Schedule_Of_

Segment Reporting (Schedule Of Financial Information Concerning Reportable Segments) (Details) (USD $)	3 Months Ended	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Segment Reporting Information [Line Items]
Net sales		$1,085,304,000	$1,166,674,000	$1,248,264,000
Total segment operating income (loss)		-255,620,000	-2,570,000	156,468,000
Equity in earnings of and gain recorded on acquisition of non-consolidated affiliate		0	0	0
Other (income) expense, net		2,445,000	1,698,000	-1,005,000
Interest expense		37,057,000	36,037,000	23,247,000
Interest income		-330,000	-203,000	-261,000
Income before income taxes		-294,792,000	-40,102,000	134,487,000
Impairment of long-lived assets and goodwill	75,700,000	197,220,000	0	0
Loss Related to Bankruptcy of Major Customer		4,800,000
Industrial Materials [Member]
Segment Reporting Information [Line Items]
Net sales		840,103,000	909,448,000	1,025,571,000
Total segment operating income (loss)		-50,260,000	20,007,000	197,335,000
Other (income) expense, net			60,300,000	34,500,000
Mark To Market Adjustment		3,500,000	4,200,000
Engineered Solutions [Member]
Segment Reporting Information [Line Items]
Net sales		245,201,000	257,226,000	222,693,000
Total segment operating income (loss)		-138,271,000	28,392,000	22,374,000
Other (income) expense, net			3,600,000	22,000,000
Mark To Market Adjustment		9,200,000	5,900,000
Corporate and Other [Member]
Segment Reporting Information [Line Items]
Total segment operating income (loss)		-67,089,000	-50,969,000	-63,241,000
Other (income) expense, net			1,800,000	6,300,000
Mark To Market Adjustment		-6,300,000	4,200,000
Proxy Context Costs		$2,400,000

Segment_Reporting_Schedule_Of_1

Segment Reporting Schedule Of Long-Lived Assets By Reportable Segment (Details) (USD $)	Dec. 31, 2014		Dec. 31, 2013
In Thousands, unless otherwise specified
Segment Reporting Information [Line Items]
Net property, plant and equipment	$654,040	[1]	$820,985	[1]
Industrial Materials [Member]
Segment Reporting Information [Line Items]
Net property, plant and equipment	552,155		601,322
Engineered Solutions [Member]
Segment Reporting Information [Line Items]
Net property, plant and equipment	$101,885		$219,663
[1]	Long-lived assets represent fixed assets, net of accumulated depreciation.

Segment_Reporting_Revenue_from

Segment Reporting Revenue from External Customers by Products and Services (Details) (USD $)	12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Revenue from External Customer [Line Items]
Revenue, Net	$1,085,304	$1,166,674	$1,248,264
UNITED STATES
Revenue from External Customer [Line Items]
Revenue, Net	284,209	289,866	372,014
Americas [Member]
Revenue from External Customer [Line Items]
Revenue, Net	180,070	177,602	195,748
Asia Pacific [Member]
Revenue from External Customer [Line Items]
Revenue, Net	192,230	220,945	235,658
Europe Middle East Africa [Member]
Revenue from External Customer [Line Items]
Revenue, Net	$428,795	$478,261	$444,844

Segment_Reporting_Summary_Of_I

Segment Reporting Summary Of Information Of Long-Lived Assets In Different Geographic Areas (Details) (USD $)	Dec. 31, 2014		Dec. 31, 2013
In Thousands, unless otherwise specified
Revenues from External Customers and Long-Lived Assets [Line Items]
Net property, plant and equipment	$654,040	[1]	$820,985	[1]
United States And Canada [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net property, plant and equipment	431,601	[1]	540,274	[1]
MEXICO
Revenues from External Customers and Long-Lived Assets [Line Items]
Net property, plant and equipment	89,731	[1]	83,428	[1]
BRAZIL
Revenues from External Customers and Long-Lived Assets [Line Items]
Net property, plant and equipment	9,492	[1]	26,008	[1]
FRANCE
Revenues from External Customers and Long-Lived Assets [Line Items]
Net property, plant and equipment	49,602	[1]	61,264	[1]
SPAIN
Revenues from External Customers and Long-Lived Assets [Line Items]
Net property, plant and equipment	70,648	[1]	82,051	[1]
SOUTH AFRICA
Revenues from External Customers and Long-Lived Assets [Line Items]
Net property, plant and equipment	2,064	[1]	16,408	[1]
SWITZERLAND
Revenues from External Customers and Long-Lived Assets [Line Items]
Net property, plant and equipment	287	[1]	4,618	[1]
Other Countries [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net property, plant and equipment	$615	[1]	$6,934	[1]
[1]	Long-lived assets represent fixed assets, net of accumulated depreciation.

Supply_Chain_Financing_Details

Supply Chain Financing (Details) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Supply Chain Financing [Abstract]
Maximum amount owing to financing party	$49,300,000
Supply chain financing liability	0	9,455,000
Supply Chain Financing Mark Up	$47,000	$451,000	$621,000

Goodwill_And_Other_Intangible_2

Goodwill And Other Intangible Assets (Narrative) (Details) (USD $)	12 Months Ended			3 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Jun. 30, 2014
Goodwill [Line Items]
Goodwill	$420,129,000	$496,810,000	$498,261,000
Amortization expense of intangible assets	19,000,000	20,500,000	22,300,000
Finite-Lived Intangible Assets, Amortization Expense, Remainder of Fiscal Year	17,100,000
Future Amortization Expense, 2014	13,100,000
Future Amortization Expense, 2015	11,800,000
Future Amortization Expense, 2016	10,700,000
Future Amortization Expense, 2017	9,200,000
Goodwill, Impairment Loss	76,063,000
Fair Value Inputs, Discount Rate	10.50%
Needle Coke [Member]
Goodwill [Line Items]
Goodwill, Impairment Loss				75,700,000
Advanced Graphite Materials [Member]
Goodwill [Line Items]
Goodwill, Impairment Loss				400,000
Graphite Electrode and Needle Coke [Member] | Industrial Materials [Member]
Goodwill [Line Items]
Goodwill			496,400,000
Advanced Graphite Materials [Member] | Advanced Graphite Materials [Member]
Goodwill [Line Items]
Goodwill			$400,000

Goodwill_And_Other_Intangible_3

Goodwill And Other Intangible Assets (Schedule Of Changes In The Carrying Value Of Goodwill) (Details) (USD $)	12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill, Impairment Loss	($76,063)
Goodwill [Roll Forward]
Balance	496,810	498,261
Translation effect	-618	-1,451
Balance	$420,129	$496,810

Goodwill_And_Other_Intangible_4

Goodwill And Other Intangible Assets (Schedule Of Intangible Assets With Determinable Useful Lives By Major Category) (Details) (USD $)	Dec. 31, 2014	Dec. 31, 2013
In Thousands, unless otherwise specified
Goodwill [Line Items]
Gross Carrying Amount	$162,047	$162,047
Accumulated Amortization	-86,949	-67,190
Net Carrying Amount	75,098	94,857
Trade Name [Member]
Goodwill [Line Items]
Gross Carrying Amount	7,900	7,900
Accumulated Amortization	-4,817	-3,944
Net Carrying Amount	3,083	3,956
Technological Know-How [Member]
Goodwill [Line Items]
Gross Carrying Amount	43,349	43,349
Accumulated Amortization	-24,940	-18,582
Net Carrying Amount	18,409	24,767
Customer Related Intangible [Member]
Goodwill [Line Items]
Gross Carrying Amount	110,798	110,798
Accumulated Amortization	-57,192	-44,664
Net Carrying Amount	$53,606	$66,134

LongTerm_Debt_And_Liquidity_Na

Long-Term Debt And Liquidity (Narrative) (Details) (USD $)	12 Months Ended	0 Months Ended
	Dec. 31, 2014	Nov. 30, 2010	Nov. 19, 2014	Dec. 31, 2013
Debt Instrument [Line Items]
Other Long-term Debt, Current				$529,719,000
Long-term debt	341,615,000			541,593,000
Addition to federal effective fund rate to determine base rate	0.50%
Percentage of one-month interest rate plus London interbank offering rate	1.00%
Financial covenants, minimum interest coverage ratio	3
Financial covenants, maximum net senior secured leverage ratio				2.25
Senior subordinated notes implied rate	7.00%
Loan balance, net of unamortized discount				541,593,000
Line of Credit Facility, Maximum Borrowing Capacity			400,000,000
Minimum [Member]
Debt Instrument [Line Items]
LIBOR plus margin percentage	1.50%
Alternate base rate plus margin percentage	0.50%
Per annum fee by GrafTech Finance and Swissco	0.25%
Maximum [Member]
Debt Instrument [Line Items]
LIBOR plus margin percentage	2.25%
Alternate base rate plus margin percentage	1.25%
Per annum fee by GrafTech Finance and Swissco	0.40%
Senior Subordinated Notes [Member]
Debt Instrument [Line Items]
Face amount of debt issued in connection with acquisition		200,000,000
Senior subordinated notes implied rate		7.00%
Loan balance, net of unamortized discount	0			175,675,000
Debt Instrument Loan Balance Net Of Unamortized Discount	188,000,000
Level 2 [Member]
Debt Instrument [Line Items]
Long-term debt				$541,593,000

LongTerm_Debt_And_Liquidity_Sc

Long-Term Debt And Liquidity (Schedule Of Long-Term Debt) (Details) (USD $)	Dec. 31, 2014	Dec. 31, 2013
In Thousands, unless otherwise specified
Debt Instrument [Line Items]
Revolving Facility	$40,000	$64,000
Total		541,593
Long-term debt	341,615	541,593
Senior Notes [Member]
Debt Instrument [Line Items]
Total	300,000	300,000
Senior Subordinated Notes [Member]
Debt Instrument [Line Items]
Total	0	175,675
Other Debt [Member]
Debt Instrument [Line Items]
Total	$1,615	$1,918

LongTerm_Debt_And_Liquidity_Lo

Long-Term Debt And Liquidity Long-Term Debt And Liquidity (Senior Notes) (Details) (Senior Notes [Member], USD $)	Nov. 20, 2012	Dec. 31, 2014
In Millions, unless otherwise specified
Debt Instrument [Line Items]
Principal amount issued	$300
Stated interest rate	6.38%
Redemption price percentage of principal prior to November 15, 2016	100.00%
Redemption price percentage of principal prior to November 15, 2015	106.38%
Repurchase percentage price of aggregate principal due to change in control	101.00%
Maximum [Member]
Debt Instrument [Line Items]
Redemption percentage price of aggregate principal prior to November 15, 2015	35.00%
Minimum [Member]
Debt Instrument [Line Items]
Unpaid indebtness after maturity or acceleration		50
Unpaid judgment or decree		$50

LongTerm_Debt_And_Liquidity_Lo1

Long-Term Debt And Liquidity Long-Term Debt and Liquidity Short-term Debt (Details) (USD $)	Dec. 31, 2014	Dec. 31, 2013
In Thousands, unless otherwise specified
Debt Instrument [Line Items]
Long-term Debt, Current Maturities	$188,104	$1,161
Senior Subordinated Notes [Member]
Debt Instrument [Line Items]
Long-term Debt, Current Maturities	187,973	0
Other Debt [Member]
Debt Instrument [Line Items]
Long-term Debt, Current Maturities	$131	$1,161

Fair_Value_Measurements_And_De2

Fair Value Measurements And Derivative Instruments (Narrative) (Details) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Derivatives, Fair Value [Line Items]
Fair value of long-term debt		$473,300,000
Loan balance, net of unamortized discount		541,593,000
Unrealized gain on foreign currency derivatives		100,000
Unrealized loss on foreign currency derivatives	900,000
Commodity derivative contracts, unrealized gain	7,100,000	800,000
Hedging Instruments, Non-derivative, Assets	15,800,000	25,200,000
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss) Arising During Period, Net of Tax	200,000	4,700,000
Foreign Currency Derivatives [Member]
Derivatives, Fair Value [Line Items]
Notional amounts of foreign currency derivatives	138,600,000	95,200,000
Commodity Derivative Contracts [Member] | Refined Oil Products [Member]
Derivatives, Fair Value [Line Items]
Outstanding derivative swap contracts	17,800,000
Minimum [Member] | Foreign Currency Derivatives [Member]
Derivatives, Fair Value [Line Items]
Derivative maturities	Jan-15
Minimum [Member] | Commodity Derivative Contracts [Member]
Derivatives, Fair Value [Line Items]
Derivative maturities	Jan-15
Maximum [Member] | Foreign Currency Derivatives [Member]
Derivatives, Fair Value [Line Items]
Derivative maturities	Oct-15
Maximum [Member] | Commodity Derivative Contracts [Member]
Derivatives, Fair Value [Line Items]
Derivative maturities	Mar-15
Level 2 [Member]
Derivatives, Fair Value [Line Items]
Fair value of long-term debt	$549,800,000

Fair_Value_Measurements_And_De3

Fair Value Measurements And Derivative Instruments (Schedule Of Fair Value Of Derivatives Designated As Cash Flow Hedges) (Details) (Derivatives Designated As Cash Flow Hedges [Member], USD $)	Dec. 31, 2014	Dec. 31, 2013
In Thousands, unless otherwise specified
Derivatives, Fair Value [Line Items]
Derivatives designated as cash flow hedges, Asset Derivatives, Fair Value	$722	$1,606
Derivatives designated as cash flow hedges, Liability Derivatives, Fair Value	8,301	1,185
Foreign Currency Derivatives [Member] | Other Receivables [Member]
Derivatives, Fair Value [Line Items]
Derivatives designated as cash flow hedges, Asset Derivatives, Fair Value	722	772
Foreign Currency Derivatives [Member] | Other Payables [Member]
Derivatives, Fair Value [Line Items]
Derivatives designated as cash flow hedges, Liability Derivatives, Fair Value	1,234	1,185
Commodity Derivative Contracts [Member] | Other Current Assets [Member]
Derivatives, Fair Value [Line Items]
Derivatives designated as cash flow hedges, Asset Derivatives, Fair Value	0	834
Commodity Derivative Contracts [Member] | Other Current Liabilities [Member]
Derivatives, Fair Value [Line Items]
Derivatives designated as cash flow hedges, Liability Derivatives, Fair Value	$7,067	$0

Fair_Value_Measurements_And_De4

Fair Value Measurements And Derivative Instruments (Schedule Of Fair Value Of Derivatives Designated As Fair Value Hedges) (Details) (USD $)	Dec. 31, 2014	Dec. 31, 2013
In Thousands, unless otherwise specified
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value, Gross Asset	$80	$328
Derivative Liability, Fair Value, Gross Liability	$428	$24

Fair_Value_Measurements_And_De5

Fair Value Measurements And Derivative Instruments (Schedule Of Realized (Gains) Losses On Derivatives Recognized In Statement Of Operations) (Details) (USD $)	12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Not Designated as Hedging Instrument [Member] | Derivatives Designated As Fair Value Hedges [Member] | Foreign Currency Derivatives [Member] | Cost Of Good Sold Other Expense Income [Member]
Derivatives, Fair Value [Line Items]
Amount of (Gain)/Loss Recognized	$1,020	($1,123)
Designated as Hedging Instrument [Member] | Derivatives Designated As Cash Flow Hedges [Member] | Foreign Currency Derivatives [Member] | Cost Of Good Sold Other Expense Income Revenue [Member]
Derivatives, Fair Value [Line Items]
Amount of (Gain)/Loss Recognized	-849	1,445
Designated as Hedging Instrument [Member] | Derivatives Designated As Cash Flow Hedges [Member] | Commodity Forward Derivatives [Member] | Cost of Sales [Member]
Derivatives, Fair Value [Line Items]
Amount of (Gain)/Loss Recognized	$328	$70

Fair_Value_Measurements_And_De6

Fair Value Measurements And Derivative Instruments Fair Value Measurements And Derivative Instruments (Schedule Of Fair Value Of Derivatives Not Designated As Hedges) (Details) (USD $)	Dec. 31, 2014	Dec. 31, 2013
In Thousands, unless otherwise specified
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value, Gross Asset	$80	$328
Derivative Liability, Fair Value, Gross Liability	428	24
Not Designated as Hedging Instrument [Member] | Foreign Currency Derivatives [Member] | Other Receivables [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value, Gross Asset	80	328
Not Designated as Hedging Instrument [Member] | Foreign Currency Derivatives [Member] | Other Payables [Member]
Derivatives, Fair Value [Line Items]
Derivative Liability, Fair Value, Gross Liability	$428	$24

Interest_Expense_Details

Interest Expense (Details) (USD $)	12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Nov. 20, 2012
Debt Instrument [Line Items]
Interest incurred on debt	$21,373	$21,589	$10,172
Amortization of discount on Senior Subordinated Notes	12,298	11,493	10,742
Amortization of debt issuance costs	3,339	2,504	1,712
Supply Chain Financing mark-up	47	451	621
Total interest expense	$37,057	$36,037	$23,247
Effective interest rate, revolving credit facility	2.17%	2.42%
Senior subordinated notes implied rate	7.00%
Senior Notes [Member]
Debt Instrument [Line Items]
Stated interest rate				6.38%

Other_Expense_Income_Net_Detai

Other Expense (Income), Net (Details) (USD $)	12 Months Ended
In Millions, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Other Nonoperating Income (Expense) [Abstract]
Currency losses (gains)	$2.20	$1.50
Insurance reimbursements		4
Gain (Loss) Related to Litigation Settlement	$2

Supplementary_Balance_Sheet_De2

Supplementary Balance Sheet Detail (Narrative) (Details) (USD $)	12 Months Ended
In Millions, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Restructuring Cost and Reserve [Line Items]
Cost in excess of normal absorption	$0	$3.50
Rationalizations [Member]
Restructuring Cost and Reserve [Line Items]
Additions	$19.60	$9.10

Supplementary_Balance_Sheet_De3

Supplementary Balance Sheet Detail (Schedule Of Amounts Recognized In Balance Sheet) (Details) (USD $)	Dec. 31, 2014	Dec. 31, 2013
In Thousands, unless otherwise specified
Balance Sheet Related Disclosures [Abstract]
Prepaid Taxes	$39,837	$25,061
Accounts and notes receivable, net of allowance for doubtful accounts of $6,718 as of December 31, 2013 and $7,471 as of December 31, 2014	162,919	199,566
Raw materials and supplies	122,218	175,192
Work in process	176,141	239,114
Finished goods	84,544	76,108
Inventories	382,903	490,414
Land and improvements	36,375	37,416
Buildings	193,427	196,802
Machinery and equipment and other	1,212,120	1,278,655
Construction in progress	58,899	76,007
Property, plant and equipment	1,500,821	1,588,880
Payrolls (including incentive programs)	6,151	9,330
Customer prepayments	5,534	9,599
Employee compensation and benefits	8,932	10,136
Other	22,702	11,874
Accrued liabilities, net	43,319	40,939
Postretirement benefits	24,833	24,852
Pension and related benefits	65,882	54,173
Other	16,851	18,922
Other long - term obligations	107,566	97,947
Other Assets, Current	3,437	2,117
Other Prepaid Expense, Current	$9,923	$9,554

Supplementary_Balance_Sheet_De4

Supplementary Balance Sheet Detail (Schedule Of Analysis Of The Allowance For Doubtful Accounts) (Details) (USD $)	12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Allowance for Doubtful Accounts Receivable [Roll Forward]
Balance at beginning of year	$6,718	$7,573	$4,153
Additions	8,675	2,914	5,161
Deductions	-7,922	-3,769	-1,741
Balance at end of year	$7,471	$6,718	$7,573

Commitments_Narrative_Details

Commitments (Narrative) (Details) (USD $)	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
In Millions, unless otherwise specified
Supply Commitment [Line Items]
Total lease and rental expenses under non-cancelable operating leases	$2.60	$7.10	$3.20

Commitments_Schedule_Of_Lease_

Commitments (Schedule Of Lease Commitments Under Non-Cancelable Operating Leases) (Details) (USD $)	Dec. 31, 2014
In Thousands, unless otherwise specified
Commitments and Contingencies Disclosure [Abstract]
2015	$5,411
2016	3,138
2017	2,607
2018	1,450
2019	1,256
After 2019	$1,762

Retirement_Plans_And_Postretir2

Retirement Plans And Postretirement Benefits (Narrative) (Details) (USD $)	12 Months Ended
In Millions, except Share data, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
	years
Defined Benefit Plan Disclosure [Line Items]
Percentage of increase in salaries based on the final average wages	6.00%
Percentage of equity in GTI	50.00%
Option to remain in defined benefit plan for an additional period, in years	5 years
Percentage of quarterly contributions to each employee's total eligible pay	1.00%
Pension and other postretirement benefit contributions	$0.80	$0.90	$1
Defined benefit plan, accumulated benefit obligation	237	213.2
Employee retirement age, years	65
Prior service credit from stockholders' equity	0.2
Assets of trust approximately	5.2	5.3
Common stock held in employee benefit and compensation trusts, shares	80,967	87,206
Basic contribution to savings plan by employees in percentage	5.00%
Additional basic contribution to savings plan by employees in percentage	45.00%
Stock issued during period, shares, employee savings plan	581,006	553,298	433,496
Stock issued during period, value, employee benefit plan	$4.40	$4.60	$4.60
First Of Employee Contribution [Member]
Defined Benefit Plan Disclosure [Line Items]
Units of fund that invest in our common stock	100.00%
Employee contribution percent	3.00%
Next of Employee Contribution [Member]
Defined Benefit Plan Disclosure [Line Items]
Units of fund that invest in our common stock	50.00%
Employee contribution percent	2.00%
Equity Securities [Member] | U.S. [Member]
Defined Benefit Plan Disclosure [Line Items]
Investment plan percentage	20.00%
Investment plan maximum	100.00%
Fixed Income Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Investment plan percentage	100.00%
Fixed Income Securities [Member] | U.S. [Member]
Defined Benefit Plan Disclosure [Line Items]
Investment plan percentage	80.00%

Retirement_Plans_And_Postretir3

Retirement Plans And Postretirement Benefits (Components Of Consolidated Net Pension Costs Retirement Plans) (Details) (Retirement Plans [Member], USD $)	12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
U.S. [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	$750	$870	$610
Interest cost	5,983	5,438	6,114
Expected return on assets	-5,215	-4,505	-6,520
Amortization of prior service cost	0	0	0
Curtailment gain	0	0	0
Mark-to-market loss (gain)	18,431	-11,907	6,572
Net Cost	19,949	-10,104	6,776
Foreign [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	1,107	1,177	1,095
Interest cost	2,669	2,542	2,532
Expected return on assets	-2,516	-2,339	-2,299
Amortization of prior service cost	2	25	24
Curtailment gain	-28	0	0
Mark-to-market loss (gain)	-534	-393	1,662
Net Cost	$700	$1,012	$3,014

Retirement_Plans_And_Postretir4

Retirement Plans And Postretirement Benefits (Amounts Recognized In Other Comprehensive Income Retirement Plans) (Details) (Retirement Plans [Member], USD $)	12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
U.S. [Member]
Defined Benefit Plan Disclosure [Line Items]
Amortization of prior service cost	$0	$0	$0
Addition to prior service cost	0	0	0
Effect of exchange rates	0	0	0
Total recognized in other comprehensive income	0	0	0
Total recognized in pension costs and other comprehensive loss	19,949	-10,104	6,776
Foreign [Member]
Defined Benefit Plan Disclosure [Line Items]
Amortization of prior service cost	-26	-25	-24
Addition to prior service cost	0	-246	0
Effect of exchange rates	8	11	3
Total recognized in other comprehensive income	-18	-260	-21
Total recognized in pension costs and other comprehensive loss	$682	$752	$2,993

Retirement_Plans_And_Postretir5

Retirement Plans And Postretirement Benefits (Reconciliation Of Pension Plans' Benefit Obligations, Fair Value Of Assets Retirement Plans) (Details) (USD $)	12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Changes in Plan Assets:
Fair value of plan assets at end of year	$77,728
Funded status:	-4,875	-5,736
U.S. [Member] | Postretirement Benefit Costs [Member]
Changes in Benefit Obligation:
Net benefit obligation at beginning of year	11,275	13,506
Service cost	0	0	0
Interest cost	396	371	497
Foreign currency exchange rates	0	0
Actuarial loss (gain)	1,151	-1,284
Gross benefits paid	-1,236	-1,318
Plan amendment	0	0
Net benefit obligation at end of year	11,586	11,275	13,506
Changes in Plan Assets:
Fair value of plan assets at beginning of year	0	0
Employer contributions	1,236	1,318
Gross benefits paid	-1,236	-1,318
Fair value of plan assets at end of year	0	0	0
Funded status:	-11,586	-11,275
Prior service credit	0	0
Current liabilities	-1,204	-1,279
Non-current liabilities	-10,382	-9,996
Net amount recognized	-11,586	-11,275
U.S. [Member] | Retirement Plans [Member]
Changes in Benefit Obligation:
Net benefit obligation at beginning of year	134,787	151,469
Service cost	750	870	610
Interest cost	5,983	5,438	6,114
Foreign currency exchange rates	0	0
Actuarial loss (gain)	21,456	-14,433
Gross benefits paid	-8,608	-8,557
Net benefit obligation at end of year	154,368	134,787	151,469
Changes in Plan Assets:
Fair value of plan assets at beginning of year	90,875	91,319
Actual return on plan assets	8,240	1,979
Foreign currency exchange rate changes	0	0
Employer contributions	8,947	6,134
Participant contributions	0	0
Actuarial loss	0	0
Gross benefits paid	-8,608	-8,557
Fair value of plan assets at end of year	99,454	90,875	91,319
Funded status:	-54,914	-43,912
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Net Prior Service Cost Arising During Period, before Tax	0	0
Non-current assets	0	0
Current liabilities	-439	-440
Non-current liabilities	-54,475	-43,472
Net amount recognized	-54,914	-43,912
Defined Benefit Plan, Plan Amendments	0	0
Foreign [Member] | Postretirement Benefit Costs [Member]
Changes in Benefit Obligation:
Net benefit obligation at beginning of year	15,645	19,188
Service cost	71	105	183
Interest cost	976	994	1,024
Foreign currency exchange rates	-1,437	-2,183
Actuarial loss (gain)	1,511	-1,365
Gross benefits paid	-1,068	-1,161
Plan amendment	-294	67
Net benefit obligation at end of year	15,404	15,645	19,188
Changes in Plan Assets:
Fair value of plan assets at beginning of year	0	0
Employer contributions	1,068	1,161
Gross benefits paid	-1,068	-1,161
Fair value of plan assets at end of year	0	0	0
Funded status:	-15,404	-15,645
Prior service credit	1,554	1,882
Current liabilities	-953	-1,035
Non-current liabilities	-14,451	-14,610
Net amount recognized	-15,404	-15,645
Foreign [Member] | Retirement Plans [Member]
Changes in Benefit Obligation:
Net benefit obligation at beginning of year	78,421	80,311
Service cost	1,107	1,177	1,095
Interest cost	2,669	2,542	2,532
Foreign currency exchange rates	-6,171	1,549
Actuarial loss (gain)	11,935	-3,257
Gross benefits paid	-5,646	-3,997
Net benefit obligation at end of year	82,603	78,421	80,311
Changes in Plan Assets:
Fair value of plan assets at beginning of year	72,685	71,750
Actual return on plan assets	14,971	-517
Foreign currency exchange rate changes	-5,479	1,404
Employer contributions	909	3,703
Participant contributions	288	342
Actuarial loss	0	0
Gross benefits paid	-5,646	-3,997
Fair value of plan assets at end of year	77,728	72,685	71,750
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Net Prior Service Cost Arising During Period, before Tax	-25	-6
Non-current assets	1,365	0
Current liabilities	-324	-524
Non-current liabilities	-5,916	-5,214
Net amount recognized	-4,875	-5,738
Defined Benefit Plan, Plan Amendments		($246)

Retirement_Plans_And_Postretir6

Retirement Plans And Postretirement Benefits (Fair Asset Values Of Plan Assets) (Details) (USD $)	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
In Thousands, unless otherwise specified
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	$77,728
U.S. [Member] | Retirement Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	99,454	90,875	91,319
U.S. [Member] | Cash And Cash Equivalents [Member] | Retirement Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	906	2,597
U.S. [Member] | Collective Trusts [Member] | Retirement Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	98,548	88,278
U.S. [Member] | Level 1 [Member] | Retirement Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	906	2,597
U.S. [Member] | Level 1 [Member] | Cash And Cash Equivalents [Member] | Retirement Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	906	2,597
U.S. [Member] | Level 1 [Member] | Collective Trusts [Member] | Retirement Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
U.S. [Member] | Level 2 [Member] | Retirement Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	98,548	88,278
U.S. [Member] | Level 2 [Member] | Cash And Cash Equivalents [Member] | Retirement Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
U.S. [Member] | Level 2 [Member] | Collective Trusts [Member] | Retirement Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	98,548	88,278
U.S. [Member] | Level 3 [Member] | Retirement Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
U.S. [Member] | Level 3 [Member] | Cash And Cash Equivalents [Member] | Retirement Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
U.S. [Member] | Level 3 [Member] | Collective Trusts [Member] | Retirement Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Foreign [Member] | Retirement Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	77,728	72,685	71,750
Foreign [Member] | Cash And Cash Equivalents [Member] | Retirement Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	1,364	2,549
Foreign [Member] | Foreign Government Bonds [Member] | Retirement Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	1,038	1,142
Foreign [Member] | Investment Contracts [Member] | Retirement Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	61,990	58,129
Foreign [Member] | Fixed Insurance Contracts [Member] | Retirement Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	13,336	10,865
Foreign [Member] | Level 1 [Member] | Retirement Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	1,364	2,549
Foreign [Member] | Level 1 [Member] | Cash And Cash Equivalents [Member] | Retirement Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	1,364	2,549
Foreign [Member] | Level 1 [Member] | Foreign Government Bonds [Member] | Retirement Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Foreign [Member] | Level 2 [Member] | Retirement Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	1,038	1,142
Foreign [Member] | Level 2 [Member] | Cash And Cash Equivalents [Member] | Retirement Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Foreign [Member] | Level 2 [Member] | Foreign Government Bonds [Member] | Retirement Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	1,038	1,142
Foreign [Member] | Level 3 [Member] | Retirement Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	75,326	68,994
Foreign [Member] | Level 3 [Member] | Cash And Cash Equivalents [Member] | Retirement Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Foreign [Member] | Level 3 [Member] | Foreign Government Bonds [Member] | Retirement Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Foreign [Member] | Level 3 [Member] | Investment Contracts [Member] | Retirement Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	61,990	58,129
Foreign [Member] | Level 3 [Member] | Fixed Insurance Contracts [Member] | Retirement Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	$13,336	$10,865

Retirement_Plans_And_Postretir7

Retirement Plans And Postretirement Benefits (Fair Value Hierarchy, Assets At Fair Value) (Details) (Retirement Plans [Member], Level 3 [Member], USD $)	12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Investment Contracts [Member]
Changes in Plan Assets:
Beginning Balance	$58,127	$60,344
Gain / contributions / currency impact	5,585	9,770
Distributions	-1,722	-11,987
Ending Balance	61,990	58,127
Fixed Insurance Contracts [Member]
Changes in Plan Assets:
Beginning Balance	10,865	10,051
Gain / contributions / currency impact	2,471	814
Distributions	0	0
Ending Balance	$13,336	$10,865

Retirement_Plans_And_Postretir8

Retirement Plans And Postretirement Benefits (Assumptions Used To Determine Net Pension Costs And Projected Benefit Obligations) (Details) (Pension Benefit Obligations [Member])	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Weighted average assumptions to determine net cost:
Discount rate	4.20%	3.58%
Expected return on plan assets	4.77%	4.29%
Rate of compensation increase	2.42%	2.44%
Retirement Plans [Member]
Weighted average assumptions to determine benefit obligations:
Discount rate	3.33%	4.20%
Rate of compensation increase	2.08%	2.42%

Retirement_Plans_And_Postretir9

Retirement Plans And Postretirement Benefits (Retirement Plan Weighted Average Asset Allocations) (Details)	12 Months Ended
	Dec. 31, 2014
Fixed Income Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Weighted average target asset allocations	100.00%
U.S. [Member] | Plan Assets [Member]
Defined Benefit Plan Disclosure [Line Items]
Weighted average asset allocations	100.00%
U.S. [Member] | Equity Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Weighted average target asset allocations	20.00%
U.S. [Member] | Equity Securities [Member] | Plan Assets [Member]
Defined Benefit Plan Disclosure [Line Items]
Weighted average asset allocations	20.00%
U.S. [Member] | Fixed Income Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Weighted average target asset allocations	80.00%
U.S. [Member] | Fixed Income Securities [Member] | Plan Assets [Member]
Defined Benefit Plan Disclosure [Line Items]
Weighted average asset allocations	80.00%
Foreign [Member] | Plan Assets [Member]
Defined Benefit Plan Disclosure [Line Items]
Weighted average asset allocations	100.00%
Foreign [Member] | Equity Securities [Member] | Plan Assets [Member]
Defined Benefit Plan Disclosure [Line Items]
Weighted average asset allocations	0.00%
Foreign [Member] | Fixed Income Securities [Member] | Plan Assets [Member]
Defined Benefit Plan Disclosure [Line Items]
Weighted average asset allocations	100.00%

Recovered_Sheet1

Retirement Plans And Postretirement Benefits (Pension Plans With An Accumulated Benefit Obligation In Excess Of Plan Assets) (Details) (Retirement Plans [Member], USD $)	Dec. 31, 2014	Dec. 31, 2013
In Thousands, unless otherwise specified
U.S. [Member]
Defined Benefit Plan Disclosure [Line Items]
Accumulated benefit obligation	$154,368	$134,787
Fair value of plan assets	99,454	90,875
Foreign [Member]
Defined Benefit Plan Disclosure [Line Items]
Accumulated benefit obligation	18,756	76,915
Fair value of plan assets	$14,374	$72,683

Recovered_Sheet2

Retirement Plans And Postretirement Benefits (Pension Plans With Projected Benefit Obligation In Excess Of Plan Assets) (Details) (USD $)	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
In Thousands, unless otherwise specified
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	$77,728
Retirement Plans [Member] | U.S. [Member]
Defined Benefit Plan Disclosure [Line Items]
Projected benefit obligation	154,368	134,787
Fair value of plan assets	99,454	90,875	91,319
Defined Benefit Plan, Pension Plans with Accumulated Benefit Obligations in Excess of Plan Assets, Aggregate Fair Value of Plan Assets	99,454	90,875
Retirement Plans [Member] | Foreign [Member]
Defined Benefit Plan Disclosure [Line Items]
Projected benefit obligation	20,617	78,421
Fair value of plan assets	77,728	72,685	71,750
Defined Benefit Plan, Pension Plans with Accumulated Benefit Obligations in Excess of Plan Assets, Aggregate Fair Value of Plan Assets	$14,374	$72,683

Recovered_Sheet3

Retirement Plans And Postretirement Benefits (Projected Future Pension Plan Cash Flow By Year) (Details) (Retirement Plans [Member], USD $)	12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2014
U.S. [Member]
Defined Benefit Plan Disclosure [Line Items]
Expected employer contributions	$9,084
Expected employee contributions	0
2012	8,941
2013	9,039
2014	9,166
2015	9,278
2016	9,340
2017-2021	47,554
Foreign [Member]
Defined Benefit Plan Disclosure [Line Items]
Expected employer contributions	974
Expected employee contributions	0
2012	3,826
2013	3,835
2014	3,918
2015	4,145
2016	3,904
2017-2021	$22,523

Recovered_Sheet4

Retirement Plans And Postretirement Benefits (Components Of Net Postretirement Costs) (Details) (Postretirement Benefit Costs [Member], USD $)	12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
U.S. [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	$0	$0	$0
Interest cost	396	371	497
Amortization of prior service (credit) cost	0	0	0
Curtailment (gain) loss	0	0	0
Mark-to-market loss (gain) loss	1,151	-1,284	60
Net Cost	1,547	-913	557
Foreign [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	71	105	183
Interest cost	976	994	1,024
Amortization of prior service (credit) cost	-180	-193	-199
Curtailment (gain) loss	-294	0	1,170
Mark-to-market loss (gain) loss	1,456	-1,210	551
Net Cost	$2,029	($304)	$2,729

Recovered_Sheet5

Retirement Plans And Postretirement Benefits (Recognized In Other Comprehensive Income Postretirement Benefit Plans) (Details) (Postretirement Benefit Costs [Member], USD $)	12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
U.S. [Member]
Defined Benefit Plan Disclosure [Line Items]
Amortization of prior service cost	$0	$0	$0
Effect of exchange rates	0	0	0
Total recognized in other comprehensive income	0	0	0
Total recognized in net post retirement cost (benefit) and other comprehensive income	1,547	-913	557
Foreign [Member]
Defined Benefit Plan Disclosure [Line Items]
Amortization of prior service cost	-180	-193	-199
Effect of exchange rates	148	133	-53
Total recognized in other comprehensive income	328	326	146
Total recognized in net post retirement cost (benefit) and other comprehensive income	$2,357	$22	$2,875

Recovered_Sheet6

Retirement Plans And Postretirement Benefits (Fair Value Of Assets Of, And The Funded Status Of, Postretirement Plans) (Details) (USD $)	12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Changes in Plan Assets:
Fair value of plan assets at end of year	$77,728
Funded status:	-4,875	-5,736
Postretirement Benefit Costs [Member] | U.S. [Member]
Changes in Benefit Obligation:
Net benefit obligation at beginning of year	11,275	13,506
Service cost	0	0	0
Interest cost	396	371	497
Foreign currency exchange rates	0	0
Actuarial loss (gain)	1,151	-1,284
Gross benefits paid	-1,236	-1,318
Plan amendment	0	0
Net benefit obligation at end of year	11,586	11,275	13,506
Changes in Plan Assets:
Fair value of plan assets at beginning of year	0	0
Employer contributions	1,236	1,318
Gross benefits paid	-1,236	-1,318
Fair value of plan assets at end of year	0	0	0
Funded status:	-11,586	-11,275
Prior service credit	0	0
Current liabilities	-1,204	-1,279
Non-current liabilities	-10,382	-9,996
Net amount recognized	-11,586	-11,275
Postretirement Benefit Costs [Member] | Foreign [Member]
Changes in Benefit Obligation:
Net benefit obligation at beginning of year	15,645	19,188
Service cost	71	105	183
Interest cost	976	994	1,024
Foreign currency exchange rates	-1,437	-2,183
Actuarial loss (gain)	1,511	-1,365
Gross benefits paid	-1,068	-1,161
Plan amendment	-294	67
Net benefit obligation at end of year	15,404	15,645	19,188
Changes in Plan Assets:
Fair value of plan assets at beginning of year	0	0
Employer contributions	1,068	1,161
Gross benefits paid	-1,068	-1,161
Fair value of plan assets at end of year	0	0	0
Funded status:	-15,404	-15,645
Prior service credit	1,554	1,882
Current liabilities	-953	-1,035
Non-current liabilities	-14,451	-14,610
Net amount recognized	($15,404)	($15,645)

Recovered_Sheet7

Retirement Plans And Postretirement Benefits (Net Postretirement Benefit Costs And Postretirement Projected Benefit Obligation) (Details)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Postretirement Benefit Obligations [Member]
Defined Benefit Plan Disclosure [Line Items]
Discount rate	4.82%	5.41%
Health care cost trend on covered charges, Initial	6.55%	7.42%
Health care cost trend on covered charges, Ultimate	6.18%	6.23%
Health care cost trend on covered charges, Years to ultimate	1 year	3 years
Postretirement Benefit Costs [Member]
Defined Benefit Plan Disclosure [Line Items]
Discount rate	5.29%	4.44%
Health care cost trend on covered charges, Initial	7.39%	7.52%
Health care cost trend on covered charges, Ultimate	6.18%	5.94%
Health care cost trend on covered charges, Years to ultimate	2 years	3 years

Recovered_Sheet8

Retirement Plans And Postretirement Benefits (One-Percentage Point Change In Assumed Health Care Cost Trend Rates) (Details) (Pension Plans, Defined Benefit [Member], USD $)	12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2014
U.S. [Member]
Defined Benefit Plan Disclosure [Line Items]
One Percentage Point Increase, Effect on total service cost and interest cost components	$3
One Percentage Point Increase, Effect on benefit obligations	116
One Percentage Point Decrease, Effect on total service cost and interest cost components	-3
One Percentage Point Decrease, Effect on benefit obligations	-110
Foreign [Member]
Defined Benefit Plan Disclosure [Line Items]
One Percentage Point Increase, Effect on total service cost and interest cost components	107
One Percentage Point Increase, Effect on benefit obligations	1,019
One Percentage Point Decrease, Effect on total service cost and interest cost components	-87
One Percentage Point Decrease, Effect on benefit obligations	($847)

Recovered_Sheet9

Retirement Plans And Postretirement Benefits (Projected Future Postretirement Cash Flow By Year) (Details) (Postretirement Benefit Costs [Member], USD $)	12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2014
U.S. [Member]
Defined Benefit Plan Disclosure [Line Items]
Expected employer contributions	$1,204
Expected employee contributions	0
2012	1,204
2013	1,172
2014	1,124
2015	1,062
2016	985
2017-2021	3,668
Foreign [Member]
Defined Benefit Plan Disclosure [Line Items]
Expected employer contributions	953
Expected employee contributions	0
2012	953
2013	985
2014	990
2015	999
2016	1,007
2017-2021	$5,258

Management_Compensation_And_In2

Management Compensation And Incentive Plans (Narrative) (Details) (USD $)	12 Months Ended			1 Months Ended		12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Jan. 30, 2012	Dec. 30, 2014	Dec. 31, 2015
				anniversary	employee
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Aggregate number of shares authorized under the plans		23,300,000
Stock-based compensation expense	$5,577,000	$7,700,000	$9,600,000
Stock-based compensation	5,577,000	8,035,000	9,601,000
Compensation expense related to non-vested restricted stock and stock options not yet recognized		12,300,000
Compensation cost related to non-vested restricted stock, performance shares and stock options not yet recognized, weighted average life, in years	1 year 11 months 16 days
Range of exercise prices, lower range	$4.24
Range of exercise prices, upper range	$22.57
Dividend assumption	0.00%
Intrinsic value of options exercised	500,000
Weighted average remaining contractual life, years	7 years 9 months 18 days
Weighted average remaining vesting period, years	1 year 6 months
Options vested and expected to vest	1,601,124
Weighted-average contractual life, years	6 years 7 months 21 days
Aggregate intrinsic value	400,000
Directors, Officers And Employees [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of Shares, Granted		1,466,919
Weighted-average fair value of the options granted	$5.82	$11.53	$9.82
Shares granted and expected to vest in particular period	519,286
Restricted stock and performance shares vest over period Year/month	3 years
Option Pricing Model [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of Shares, Granted	671,939	348,106	441,700
Incentive Compensation Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Accrued liability for incentive compensation plans	0	400,000
Selling And Administrative Expense [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense	4,800,000	6,900,000	8,700,000
2011 Long-Term Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of Shares, Granted				526,900
Exercise price of stock option granted				$4.24
Grant Date Anniversaries				3
Expiration years from the grant date				10 years
Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of Shares, Granted	671,939
Exercise price of stock option granted	$5.82
Dividend assumption		0.00%	0.00%
Restricted Stock And Performance Shares [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period	1,466,919
Range of exercise prices, lower range	$4.24
Range of exercise prices, upper range	$11.90
Shares granted and expected to vest in particular period	200,000
Restricted stock and performance shares vest over period Year/month	1 year
Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted-average fair value of the options granted		$11.16
Restricted Stock Units (RSUs) [Member] | 2011 Long-Term Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of Shares, Granted				395,186
Grant Date Anniversaries				3
Restricted Stock [Member] | Equity Recognition Program [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period					195,000
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Number of Directors Granted Units					45
Share-based Compensation by Share-based Payment Award, Annual Vesting Percent					100.00%
Performance Shares [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted-average fair value of the options granted	$5.19
Shares granted and expected to vest in particular period	747,633
Restricted stock and performance shares vest over period Year/month	39 months
Performance Shares [Member] | 2011 Long-Term Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of Shares, Granted			1,317,266
Scenario, Forecast [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense						$5,600,000

Supplemental_Guarantor_Informa2

Supplemental Guarantor Information (Textual) (Details) (USD $)	12 Months Ended
In Millions, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012	Nov. 20, 2012
Debt Instrument [Line Items]
Prior Period Reclassification Adjustment	$11.90	$18.70
Senior Notes [Member]
Debt Instrument [Line Items]
Principal amount issued			300
Stated interest rate			6.38%
Parent Company [Member] | Senior Notes [Member]
Debt Instrument [Line Items]
Principal amount issued			$300
Stated interest rate			6.38%

Management_Compensation_And_In3

Management Compensation And Incentive Plans (Restricted Stock And Performance Share Awards Activity) (Details) (Restricted Stock And Performance Shares [Member], USD $)	12 Months Ended
	Dec. 31, 2014
Restricted Stock And Performance Shares [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of Shares, Outstanding unvested at January 1, 2012	1,633,491
Number of Shares, Granted	1,466,919
Number of Shares, Vested	-411,062
Number of Shares, Forfeited/canceled/expired	-875,218
Number of Shares, Outstanding at December 31, 2012	1,814,130
Weighted-Average Grant Date Fair Value, Outstanding unvested at January 1, 2012	$10.98
Weighted-Average Grant Date Fair Value, Granted	$5.19
Weighted-Average Grant Date Fair Value, Vested	$12.50
Weighted-Average Grant Date Fair Value, Forfeited/canceled/expired	$10.25
Weighted-Average Grant Date Fair Value, Outstanding at December 31, 2012	$6.31

Supplemental_Guarantor_Informa3

Supplemental Guarantor Information Balance Sheet (Details) (USD $)	Dec. 31, 2014		Dec. 31, 2013		Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
In Thousands, unless otherwise specified
ASSETS
Cash and cash equivalents	$17,550		$11,888		$17,317	$12,429	$12,429
Accounts receivable - affiliates	0		0
Accounts receivable - trade	162,919		199,566
Inventories	382,903		490,414
Prepaid expenses and other current assets	81,623		73,790
Total current assets	644,995		775,658
Investment in affiliates	0		0
Net property, plant and equipment	654,040	[1]	820,985	[1]
Deferred income taxes	16,819		10,334
Goodwill	420,129		496,810		498,261
Notes receivable - affiliate	0		0
Other assets	97,822		114,061
Total assets	1,833,805		2,217,848
LIABILITIES AND STOCKHOLDERS’ EQUITY
Accounts payable - affiliate	0		0
Accounts payable - trade	86,409		115,212
Short-term debt	188,104		1,161
Accrued income and other taxes	24,506		30,687
Rationalizations	9,563		18,421
Supply chain financing liability	0		9,455
Other accrued liabilities	43,319		40,939
Total current liabilities	351,901		215,875
Long-term debt - affiliate	0		0
Long-term debt - third party	341,615		541,593
Other long-term obligations	107,566		97,947
Deferred income taxes	28,197		41,684
Total stockholders’ equity	1,004,526		1,320,749		1,349,851	1,339,944
Total liabilities and stockholders’ equity	1,833,805		2,217,848
Parent Company [Member]
ASSETS
Cash and cash equivalents	0		0		0	366
Accounts receivable - affiliates	40,474		42,410
Accounts receivable - trade	0		0
Inventories	0		0
Prepaid expenses and other current assets	0		0
Total current assets	40,474		42,410
Investment in affiliates	1,414,278		1,709,914
Net property, plant and equipment	0		0
Deferred income taxes	0		0
Goodwill	0		0
Notes receivable - affiliate	35,722		51,090
Other assets	4,110		4,752
Total assets	1,494,584		1,808,166
LIABILITIES AND STOCKHOLDERS’ EQUITY
Accounts payable - affiliate	0		0
Accounts payable - trade	47		0
Short-term debt	187,973		0
Accrued income and other taxes	344		2,678
Rationalizations	0		0
Supply chain financing liability	0		0
Other accrued liabilities	2,444		2,444
Total current liabilities	190,808		5,122
Long-term debt - affiliate	0		0
Long-term debt - third party	300,000		475,675
Other long-term obligations	0		0
Deferred income taxes	0		6,620
Total stockholders’ equity	1,003,776		1,320,749
Total liabilities and stockholders’ equity	1,494,584		1,808,166
Guarantor Subsidiaries [Member]
ASSETS
Cash and cash equivalents	5,503		4,752		4,425	3,503
Accounts receivable - affiliates	35,618		28,551
Accounts receivable - trade	45,861		48,998
Inventories	148,080		174,935
Prepaid expenses and other current assets	17,336		22,555
Total current assets	252,398		279,791
Investment in affiliates	762,251		828,012
Net property, plant and equipment	431,602		540,273
Deferred income taxes	0		0
Goodwill	217,099		293,162
Notes receivable - affiliate	7,413		7,413
Other assets	45,617		53,447
Total assets	1,716,380		2,002,098
LIABILITIES AND STOCKHOLDERS’ EQUITY
Accounts payable - affiliate	80,659		58,206
Accounts payable - trade	35,435		41,971
Short-term debt	131		165
Accrued income and other taxes	3,380		4,736
Rationalizations	7,538		1,890
Supply chain financing liability	0		0
Other accrued liabilities	15,252		12,404
Total current liabilities	142,395		119,372
Long-term debt - affiliate	35,722		51,090
Long-term debt - third party	40,393		50,525
Other long-term obligations	77,724		66,590
Deferred income taxes	5,118		4,607
Total stockholders’ equity	1,415,028		1,709,914
Total liabilities and stockholders’ equity	1,716,380		2,002,098
Non-Guarantor Subsidiaries [Member]
ASSETS
Cash and cash equivalents	12,047		7,136		12,892	8,560
Accounts receivable - affiliates	40,185		15,824
Accounts receivable - trade	117,058		150,568
Inventories	234,823		315,479
Prepaid expenses and other current assets	64,287		51,235
Total current assets	468,400		540,242
Investment in affiliates	0		0
Net property, plant and equipment	222,438		280,712
Deferred income taxes	16,819		10,334
Goodwill	203,030		203,648
Notes receivable - affiliate	0		0
Other assets	48,095		55,862
Total assets	958,782		1,090,798
LIABILITIES AND STOCKHOLDERS’ EQUITY
Accounts payable - affiliate	35,618		28,579
Accounts payable - trade	50,927		73,241
Short-term debt	0		996
Accrued income and other taxes	20,782		23,273
Rationalizations	2,025		16,531
Supply chain financing liability	0		9,455
Other accrued liabilities	25,623		26,091
Total current liabilities	134,975		178,166
Long-term debt - affiliate	7,413		7,413
Long-term debt - third party	1,222		15,393
Other long-term obligations	29,842		31,357
Deferred income taxes	23,079		30,457
Total stockholders’ equity	762,251		828,012
Total liabilities and stockholders’ equity	958,782		1,090,798
Consolidating Entries and Eliminations [Member]
ASSETS
Cash and cash equivalents	0		0		0	0
Accounts receivable - affiliates	-116,277		-86,785
Accounts receivable - trade	0		0
Inventories	0		0
Prepaid expenses and other current assets	0		0
Total current assets	-116,277		-86,785
Investment in affiliates	-2,176,529		-2,537,926
Net property, plant and equipment	0		0
Deferred income taxes	0		0
Goodwill	0		0
Notes receivable - affiliate	-43,135		-58,503
Other assets	0		0
Total assets	-2,335,941		-2,683,214
LIABILITIES AND STOCKHOLDERS’ EQUITY
Accounts payable - affiliate	-116,277		-86,785
Accounts payable - trade	0		0
Short-term debt	0		0
Accrued income and other taxes	0		0
Rationalizations	0		0
Supply chain financing liability	0		0
Other accrued liabilities	0		0
Total current liabilities	-116,277		-86,785
Long-term debt - affiliate	-43,135		-58,503
Long-term debt - third party	0		0
Other long-term obligations	0		0
Deferred income taxes	0		0
Total stockholders’ equity	-2,176,529		-2,537,926
Total liabilities and stockholders’ equity	($2,335,941)		($2,683,214)
[1]	Long-lived assets represent fixed assets, net of accumulated depreciation.

Management_Compensation_And_In4

Management Compensation And Incentive Plans (Schedule Of Weighted Average Assumptions Used In Option-Pricing Model For Options Granted) (Details)	12 Months Ended			1 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Jan. 30, 2012
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Dividend yield	0.00%
Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Dividend yield		0.00%	0.00%
Expected volatility, Minimum	55.33%	55.89%	55.33%
Expected volatility, Maximum	57.32%	57.01%	57.32%
Risk-free interest rate, Minimum	0.66%	7.60%	66.00%
Risk-free interest rate, Maximum	0.90%	1.38%	90.00%
Expected term in years	6 years	6 years	6 years
Expected term in years, Minimum	6 years	6 years	6 years
2011 Long-Term Incentive Plan [Member] | Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Portion of granted shares vested each year				33.30%
2011 Long-Term Incentive Plan [Member] | Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Portion of granted shares vested each year				33.30%

Supplemental_Guarantor_Informa4

Supplemental Guarantor Information (Income and Comprehensive Income) (Details) (USD $)	3 Months Ended	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Condensed Financial Statements, Captions [Line Items]
Sales - affiliates		$0	$0	$0
Sales - third party		1,085,304,000	1,166,674,000	1,248,264,000
Net sales		1,085,304,000	1,166,674,000	1,248,264,000
Cost of sales		993,057,000	1,027,608,000	932,460,000
Gross profit		92,247,000	139,066,000	315,804,000
Research and development		14,844,000	10,437,000	13,796,000
Selling and administrative expenses		124,178,000	111,043,000	145,540,000
Impairment of long-lived assets and goodwill	75,700,000	197,220,000	0	0
Rationalizations		11,625,000	20,156,000	0
Operating income (loss)		-255,620,000	-2,570,000	156,468,000
Equity in earnings of, and gain recorded on acquisition of, non-consolidated affiliate		0	0	0
Other (income) expense, net		2,445,000	1,698,000	-1,005,000
Interest expense - affiliate		0	0	0
Interest expense - third party		37,057,000	36,037,000	23,247,000
Interest income - affiliate		0	0	0
Interest income		-330,000	-203,000	-261,000
Income before income taxes		-294,792,000	-40,102,000	134,487,000
(Benefit) provision for income taxes		-9,416,000	-12,843,000	16,846,000
Net income (loss)		-285,376,000	-27,259,000	117,641,000
Statements of Comprehensive Income
Net income		-285,376,000	-27,259,000	117,641,000
Foreign currency translation		-33,041,000	-13,981,000	-9,929,000
Commodities and foreign currency derivatives		-10,859,000	2,035,000	-8,812,000
Other comprehensive loss, net of tax:		-43,900,000	-11,946,000	-18,741,000
Comprehensive income (loss)		-329,276,000	-39,205,000	98,900,000
Parent Company [Member]
Condensed Financial Statements, Captions [Line Items]
Sales - affiliates		0	0	0
Sales - third party		0	0	0
Net sales		0	0	0
Cost of sales		0	0	0
Gross profit		0	0	0
Research and development		0	0	0
Selling and administrative expenses		0	0	0
Impairment of long-lived assets and goodwill		0
Rationalizations		0	0
Operating income (loss)		0	0	0
Equity in earnings of, and gain recorded on acquisition of, non-consolidated affiliate		251,495,000	7,857,000	-128,368,000
Other (income) expense, net		0	0	0
Interest expense - affiliate		0	0	3,766,000
Interest expense - third party		32,118,000	31,294,000	12,992,000
Interest income - affiliate		-806,000	-1,233,000	-59,000
Interest income		0	0	0
Income before income taxes		-31,312,000	-30,061,000	-16,699,000
(Benefit) provision for income taxes		3,319,000	-10,659,000	-5,972,000
Net income (loss)		-286,126,000	-27,259,000	117,641,000
Statements of Comprehensive Income
Net income		-286,126,000	-27,259,000	117,641,000
Other comprehensive loss, net of tax:		-43,900,000	-11,946,000	-18,741,000
Comprehensive income (loss)		-330,026,000	-39,205,000	98,900,000
Guarantor Subsidiaries [Member]
Condensed Financial Statements, Captions [Line Items]
Sales - affiliates		263,742,000	220,354,000	194,345,000
Sales - third party		422,991,000	469,033,000	566,024,000
Net sales		686,733,000	689,387,000	760,369,000
Cost of sales		630,031,000	584,819,000	638,419,000
Gross profit		56,702,000	104,568,000	121,950,000
Research and development		14,844,000	10,437,000	13,796,000
Selling and administrative expenses		55,454,000	40,548,000	61,442,000
Impairment of long-lived assets and goodwill		186,552,000
Rationalizations		9,109,000	2,732,000
Operating income (loss)		-209,257,000	50,851,000	46,712,000
Equity in earnings of, and gain recorded on acquisition of, non-consolidated affiliate		40,699,000	46,050,000	-87,188,000
Other (income) expense, net		1,575,000	-176,000	-2,133,000
Interest expense - affiliate		806,000	1,364,000	59,000
Interest expense - third party		4,037,000	3,029,000	7,977,000
Interest income - affiliate		0	-670,000	-4,352,000
Interest income		-11,000	0	0
Income before income taxes		-215,664,000	47,304,000	45,161,000
(Benefit) provision for income taxes		-5,618,000	9,111,000	3,981,000
Net income (loss)		-250,745,000	-7,857,000	128,368,000
Statements of Comprehensive Income
Net income		-250,745,000	-7,857,000	128,368,000
Other comprehensive loss, net of tax:		-43,900,000	-11,946,000	-18,741,000
Comprehensive income (loss)		-294,645,000	-19,803,000	109,627,000
Non-Guarantor Subsidiaries [Member]
Condensed Financial Statements, Captions [Line Items]
Sales - affiliates		150,346,000	149,251,000	216,859,000
Sales - third party		662,313,000	697,641,000	682,240,000
Net sales		812,659,000	846,892,000	899,099,000
Cost of sales		777,114,000	812,394,000	705,245,000
Gross profit		35,545,000	34,498,000	193,854,000
Research and development		0	0	0
Selling and administrative expenses		68,724,000	70,495,000	84,098,000
Impairment of long-lived assets and goodwill		10,668,000
Rationalizations		2,516,000	17,424,000
Operating income (loss)		-46,363,000	-53,421,000	109,756,000
Equity in earnings of, and gain recorded on acquisition of, non-consolidated affiliate		0	0	0
Other (income) expense, net		870,000	1,874,000	1,128,000
Interest expense - affiliate		0	670,000	586,000
Interest expense - third party		902,000	1,714,000	2,278,000
Interest income - affiliate		0	-131,000	0
Interest income		-319,000	-203,000	-261,000
Income before income taxes		-47,816,000	-57,345,000	106,025,000
(Benefit) provision for income taxes		-7,117,000	-11,295,000	18,837,000
Net income (loss)		-40,699,000	-46,050,000	87,188,000
Statements of Comprehensive Income
Net income		-40,699,000	-46,050,000	87,188,000
Other comprehensive loss, net of tax:		-28,650,000	-13,601,000	-9,929,000
Comprehensive income (loss)		-69,349,000	-59,651,000	77,259,000
Consolidating Entries and Eliminations [Member]
Condensed Financial Statements, Captions [Line Items]
Sales - affiliates		-414,088,000	-369,605,000	-411,204,000
Sales - third party		0	0	0
Net sales		-414,088,000	-369,605,000	-411,204,000
Cost of sales		-414,088,000	-369,605,000	-411,204,000
Gross profit		0	0	0
Research and development		0	0	0
Selling and administrative expenses		0	0	0
Rationalizations		0	0
Operating income (loss)		0	0	0
Equity in earnings of, and gain recorded on acquisition of, non-consolidated affiliate		-292,194,000	-53,907,000	215,556,000
Other (income) expense, net		0	0	0
Interest expense - affiliate		-806,000	-2,034,000	-4,411,000
Interest expense - third party		0	0	0
Interest income - affiliate		806,000	2,034,000	4,411,000
Interest income		0	0	0
Income before income taxes		0	0	0
(Benefit) provision for income taxes		0	0	0
Net income (loss)		292,194,000	53,907,000	-215,556,000
Statements of Comprehensive Income
Net income		292,194,000	53,907,000	-215,556,000
Other comprehensive loss, net of tax:		72,550,000	25,547,000	28,670,000
Comprehensive income (loss)		$364,744,000	$79,454,000	($186,886,000)

Management_Compensation_And_In5

Management Compensation And Incentive Plans (Stock Option Activity Under The Plans) (Details) (Stock Options [Member], USD $)	12 Months Ended
	Dec. 31, 2014
Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of Shares, Outstanding at January 1, 2012	1,916,718
Number of Shares, Granted	671,939
Number of Shares, Exercised	-229,850
Number of Shares, Forfeited/canceled/expired	-316,733
Number of Shares, Outstanding at December 31, 2012	2,042,074
Weighted-Average Exercise Price, Outstanding unvested at January 1, 2012	$12.47
Weighted-Average Exercise Price, Granted	$5.82
Weighted-Average Exercise Price, Exercised	$8.88
Weighted-Average Exercise Price, Forfeited/canceled/expired	$11.64
Weighted-Average Exercise Price, Outstanding at December 31, 2012	$10.93

Supplemental_Guarantor_Informa5

Supplemental Guarantor Information Cashflows (Details) 2 (USD $)	12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2010
Condensed Financial Statements, Captions [Line Items]
Net cash (used in) provided by operating activities	$120,903	$116,837	$101,400
Cash flow from investing activities:
(Loans to) repayments from affiliates	0	0	0
Capital expenditures	-84,981	-86,344	-127,728
Insurance recoveries	2,834	1,500	0
Proceeds from derivative instruments	-2,025	114	7,572
Proceeds from the sale of fixed assets	5,042	0	0
Other	178	929	194
Net cash used in investing activities	-78,952	-83,801	-119,962
Loans from (repayments to) affiliates	0	0	0
Dividends to affiliates			0
Short-term debt borrowings	-1,021	-7,265	-5,738
Revolving Facility borrowings	269,000	166,000	425,000
Revolving Facility reductions	-293,000	-171,500	-587,500
Proceeds from long-term debt	0	0	300,000
Principal payments on long term debt	-192	-225	-225
Supply chain financing	-9,455	-17,508	-2,967
Proceeds from exercise of stock options	2,813	448	157
Purchase of treasury shares	-894	-1,825	-103,445
Refinancing fees and debt issuance costs	-3,279	-560	-6,385
Other	951	-5,210	5,215
Net cash provided by (used in) financing activities	-35,077	-37,645	24,112
Cash and Cash Equivalents, Period Increase (Decrease), Excluding Exchange Rate Effect	6,874	-4,609	5,550
Effect of exchange rate changes on cash and cash equivalents	-1,212	-820	-662
Cash and cash equivalents at beginning of period	11,888	17,317	12,429	12,429
Cash and cash equivalents at end of period	17,550	11,888	17,317	12,429
Parent Company [Member]
Condensed Financial Statements, Captions [Line Items]
Net cash (used in) provided by operating activities	-9,474	-13,718	44,361
Cash flow from investing activities:
(Loans to) repayments from affiliates	6,604	15,578	-66,869
Capital expenditures	0	0	0
Insurance recoveries	0	0
Proceeds from derivative instruments	0	0	0
Proceeds from the sale of fixed assets	0
Other	0	0	0
Net cash used in investing activities	6,604	15,578	-66,869
Loans from (repayments to) affiliates	0	0	-169,656
Dividends to affiliates			0
Short-term debt borrowings	0	0	0
Revolving Facility borrowings	0	0	0
Revolving Facility reductions	0	0	0
Proceeds from long-term debt			300,000
Principal payments on long term debt	0	0	0
Supply chain financing	0	0	0
Proceeds from exercise of stock options	2,813	448	157
Purchase of treasury shares	-894	-1,825	-103,445
Refinancing fees and debt issuance costs	0	-483	-5,018
Other	951	0	104
Net cash provided by (used in) financing activities	2,870	-1,860	22,142
Cash and Cash Equivalents, Period Increase (Decrease), Excluding Exchange Rate Effect	0	0	-366
Effect of exchange rate changes on cash and cash equivalents	0	0	0
Cash and cash equivalents at beginning of period	0	0	366
Cash and cash equivalents at end of period	0	0	0
Guarantor Subsidiaries [Member]
Condensed Financial Statements, Captions [Line Items]
Net cash (used in) provided by operating activities	79,864	72,111	85,973
Cash flow from investing activities:
(Loans to) repayments from affiliates	0	15,000	158,985
Capital expenditures	-58,926	-52,278	-91,183
Insurance recoveries	0	0
Proceeds from derivative instruments	-2,195	437	3,166
Proceeds from the sale of fixed assets	1,700
Other	0	322	0
Net cash used in investing activities	-59,421	-36,519	70,968
Loans from (repayments to) affiliates	-6,604	-15,578	66,869
Dividends to affiliates			-52,000
Short-term debt borrowings	-34	-6	-7,493
Revolving Facility borrowings	183,000	75,000	292,000
Revolving Facility reductions	-193,000	-94,500	-454,500
Proceeds from long-term debt			0
Principal payments on long term debt	-132	-166	-171
Supply chain financing	0	0	0
Proceeds from exercise of stock options	0	0	0
Purchase of treasury shares	0	0	0
Refinancing fees and debt issuance costs	-2,922	-15	-724
Other	0	0	0
Net cash provided by (used in) financing activities	-19,692	-35,265	-156,019
Cash and Cash Equivalents, Period Increase (Decrease), Excluding Exchange Rate Effect	751	327	922
Effect of exchange rate changes on cash and cash equivalents	0	0	0
Cash and cash equivalents at beginning of period	4,752	4,425	3,503
Cash and cash equivalents at end of period	5,503	4,752	4,425
Non-Guarantor Subsidiaries [Member]
Condensed Financial Statements, Captions [Line Items]
Net cash (used in) provided by operating activities	50,513	58,444	23,066
Cash flow from investing activities:
(Loans to) repayments from affiliates	0	0	0
Capital expenditures	-26,055	-34,066	-36,545
Insurance recoveries	2,834	1,500
Proceeds from derivative instruments	170	-323	4,406
Proceeds from the sale of fixed assets	3,342
Other	178	607	194
Net cash used in investing activities	-19,531	-32,282	-31,945
Loans from (repayments to) affiliates	0	-15,000	10,671
Dividends to affiliates			0
Short-term debt borrowings	-987	-7,259	1,755
Revolving Facility borrowings	86,000	91,000	133,000
Revolving Facility reductions	-100,000	-77,000	-133,000
Proceeds from long-term debt			0
Principal payments on long term debt	-60	-59	-54
Supply chain financing	-9,455	-17,508	-2,967
Proceeds from exercise of stock options	0	0	0
Purchase of treasury shares	0	0	0
Refinancing fees and debt issuance costs	-357	-62	-643
Other	0	-5,210	5,111
Net cash provided by (used in) financing activities	-24,859	-31,098	13,873
Cash and Cash Equivalents, Period Increase (Decrease), Excluding Exchange Rate Effect	6,123	-4,936	4,994
Effect of exchange rate changes on cash and cash equivalents	-1,212	-820	-662
Cash and cash equivalents at beginning of period	7,136	12,892	8,560
Cash and cash equivalents at end of period	12,047	7,136	12,892
Consolidating Entries and Eliminations [Member]
Condensed Financial Statements, Captions [Line Items]
Net cash (used in) provided by operating activities	0	0	-52,000
Cash flow from investing activities:
(Loans to) repayments from affiliates	-6,604	-30,578	-92,116
Capital expenditures	0	0	0
Insurance recoveries	0	0
Proceeds from derivative instruments	0	0	0
Other	0	0	0
Net cash used in investing activities	-6,604	-30,578	-92,116
Loans from (repayments to) affiliates	6,604	30,578	92,116
Dividends to affiliates			52,000
Short-term debt borrowings	0	0	0
Revolving Facility borrowings	0	0	0
Revolving Facility reductions	0	0	0
Proceeds from long-term debt			0
Principal payments on long term debt	0	0	0
Supply chain financing	0	0	0
Proceeds from exercise of stock options	0	0	0
Purchase of treasury shares	0	0	0
Refinancing fees and debt issuance costs	0	0	0
Other	0	0	0
Net cash provided by (used in) financing activities	6,604	30,578	144,116
Cash and Cash Equivalents, Period Increase (Decrease), Excluding Exchange Rate Effect	0	0	0
Effect of exchange rate changes on cash and cash equivalents	0	0	0
Cash and cash equivalents at beginning of period	0	0	0
Cash and cash equivalents at end of period	$0	$0	$0

Management_Compensation_And_In6

Management Compensation And Incentive Plans (Schedule Of Stock Options Outstanding And Exercisable) (Details) (USD $)	12 Months Ended
	Dec. 31, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Range of Exercise Prices, Lower Range	$4.24
Range of Exercise Prices, Upper Range	$22.57
Range Of Exercise Prices $2.83 to $22.57 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options Outstanding, Number Outstanding	2,042,074
Options Outstanding, Weighted Average Remaining Contractual Life in Years	7 years 9 months 18 days
Options Outstanding, Weighted Average Exercise Prices	$10.93
Options Exercisable, Number Exercisable	1,187,758
Options Exercisable, Weighted Average Exercise Prices	$13.94

Contingencies_Details

Contingencies (Details) (USD $)	12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2014
Movement in Standard Product Warranty Accrual [Roll Forward]
Balance at December 31, 2011	$1,050
Product warranty adjustments	173
Payments and settlements	-300
Balance at December 31, 2012	$923

Income_Taxes_Narrative_Details

Income Taxes (Narrative) (Details) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2015	Dec. 31, 2011
Income Tax Examination [Line Items]
U.S. federal income tax rate	35.00%	35.00%	35.00%
Net non-current deferred tax assets	$16,819,000	$10,334,000
Net non-current deferred tax liabilities	28,197,000	41,684,000
Total foreign tax credit carryforwards	64,214,000	46,283,000
Deferred Tax Assets, Operating Loss Carryforwards	25,600,000
Unrecognized tax benefits	3,710,000	7,203,000	9,769,000		16,788,000
Unrecognized tax benefits that would have a favorable impact on effective tax rate		2,700,000
Accrued interest and penalties	600,000	500,000	1,000,000
Changes attributable to movement in underlying assets	73,400,000
Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations	1,180,000	0	163,000
Effective Income Tax Rate Reconciliation, Tax Settlement, Foreign, Amount	1,100,000,000
Prepaid Expenses And Other Current Assets [Member]
Income Tax Examination [Line Items]
Net current deferred income tax assets	28,400,000	37,100,000
Accrued Income And Other Taxes [Member]
Income Tax Examination [Line Items]
Net current deferred tax liabilities	7,200,000	10,900,000
Foreign Country [Member]
Income Tax Examination [Line Items]
Total foreign tax credit carryforwards		19,500,000
Tax credit carryforwards, years	7 years
Operating loss carryforwards		23,100,000
Domestic Tax Authority [Member]
Income Tax Examination [Line Items]
Deferred Tax Assets, Operating Loss Carryforwards	44,300,000
Operating loss carryforwards	36,300,000
State [Member]
Income Tax Examination [Line Items]
Operating loss carryforwards	191,500,000
Scenario, Forecast [Member]
Income Tax Examination [Line Items]
Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations				$2,000,000

Income_Taxes_Summary_Of_Provis

Income Taxes (Summary Of Provision For Income Taxes) (Details) (USD $)	12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Income Tax Disclosure [Abstract]
Tax (benefit)	($9,416)	($12,843)	$16,846
Pretax income	($294,792)	($40,102)	$134,487

Income_Taxes_Schedule_Of_US_An

Income Taxes (Schedule Of U.S. And Non-U.S. Components Of Income (Loss) Before Provision (Benefit) For Income Taxes) (Details) (USD $)	12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Income Tax Disclosure [Abstract]
U.S.	($255,043)	$8,495	$29,422
Non-U.S.	-39,749	-48,597	105,065
Income before income taxes	($294,792)	($40,102)	$134,487

Income_Taxes_Schedule_Of_Incom

Income Taxes (Schedule Of Income Tax Expense (Benefit)) (Details) (USD $)	12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Income Tax Disclosure [Abstract]
U.S. income taxes, Current	($1,762)	$4,104	($6,529)
U.S. income taxes, Deferred	-537	-5,652	4,543
U.S. income taxes, Total	-2,299	-1,548	-1,986
Non-U.S. income taxes, Current	8,349	5,422	12,371
Non-U.S. income taxes, Deferred	-15,466	-16,717	6,461
Non-U.S. income taxes, Total	-7,117	-11,295	18,832
Total income tax (benefit) expense	($9,416)	($12,843)	$16,846

Income_Taxes_Schedule_Of_Incom1

Income Taxes (Schedule Of Income Tax Expense (Benefit) Computed By Applying The U.S. Federal Income Tax Rate) (Details) (USD $)	12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Income Tax Disclosure [Abstract]
Tax at statutory U.S. federal rate	($103,177)	($14,036)	$47,071
U.S. valuation allowance, net	73,350	-700	-1,800
State taxes, net of federal tax benefit	-4,387	-371	593
U.S. tax return adjustments to estimated taxes	-368	-1,032	588
Establishment (resolution) of uncertain tax positions	-513	-752	-8,118
Adjustment for foreign income taxed at different rates	7,376	6,832	-15,553
U.S. tax credits	-1,000	-2,577	-2,200
Non-U.S. tax exemptions, holidays and credits	0	0	-4,259
Goodwill impairment	17,161	0	0
Capital loss expiration	2,422	0	0
Other	-280	-207	524
Total income tax (benefit) expense	($9,416)	($12,843)	$16,846

Income_Taxes_Schedule_Of_Defer

Income Taxes (Schedule Of Deferred Tax Assets And Deferred Tax Liabilities) (Details) (USD $)	Dec. 31, 2014	Dec. 31, 2013
In Thousands, unless otherwise specified
Deferred tax assets:
Postretirement and other employee benefits	$43,204	$41,604
Foreign tax credit and other carryforwards	64,214	46,283
Capitalized research and experimental costs	23,446	20,243
Environmental reserves	3,366	3,503
Inventory adjustments	19,568	16,255
Capital loss	272	2,697
Deferred Tax Assets, Goodwill and Intangible Assets	0	0
Deferred Tax Assets, Property, Plant and Equipment	0	0
Deferred Tax Asset, Option Amortization	2,214	0
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Restructuring Charges	17,255	17,410
Other	6,288	5,889
Total gross deferred tax assets	179,827	153,884
Less: valuation allowance	-95,721	-20,411
Total deferred tax assets	84,106	133,473
Deferred tax liabilities:
Fixed assets	59,292	109,824
Debt discount amortization	3,301	6,620
Inventory	6,865	9,212
Goodwill and acquired intangibles	1,046	10,813
Other	3,761	2,204
Total deferred tax liabilities	74,265	138,673
Net deferred tax liability	$9,841	($5,200)

Income_Taxes_Schedule_Of_Valua

Income Taxes (Schedule Of Valuation Allowance Activity) (Details) (USD $)	12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2011
Income Tax Disclosure [Abstract]
Balance at beginning of year	$95,721	$26,312
(Credited) / charged to income	74,157	-614	-1,800
Translation adjustment	-800	-746	-52
Changes attributable to movement in underlying assets	1,953	-4,541	2,655
Balance at end of year	$20,411	$95,721	$25,509

Income_Taxes_Reconciliation_Of

Income Taxes (Reconciliation Of The Beginning And Ending Amount Of Unrecognized Tax Benefits) (Details) (USD $)	12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Balance at January 1	$7,203	$9,769	$16,788
Additions based on tax positions related to the current year	268	881	90
Additions for tax positions of prior years	232	323	4,643
Reductions for tax positions of prior years	-1,204	-2,779	-11,019
Lapse of statutes of limitations	-1,180	0	-163
Settlements	-1,503	-988	-576
Foreign currency impact	-106	-3	6
Balance at December 31	$3,710	$7,203	$9,769

Earnings_Per_Share_Basic_and_D

Earnings Per Share - Basic and Diluted (Details)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Earnings Per Share [Abstract]
Weighted average common shares outstanding	136,155,295	135,067,278	138,551,804
Add: Effect of stock options and restricted stock	0	0	1,148,300
Weighted average common shares outstanding for diluted calculation	136,155,295	135,067,278	139,700,104

Earnings_Per_Share_Treasury_Sh

Earnings Per Share Treasury Share Buyback (Details) (USD $)	12 Months Ended
In Thousands, except Share data, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Earnings Per Share [Abstract]
Shares which exclude consideration of stock options in calculation of diluted shares outstanding	1,481,992	1,866,720	865,844
Treasury stock, shares		10,000,000
Treasury stock, value	$0	$0	($101,697)
Weighted average number diluted shares outstanding adjustment	5,600,000

Accumulated_Other_Comprehensiv2

Accumulated Other Comprehensive Loss (Schedule Of Accumulated Other Comprehensive Loss) (Details) (USD $)	12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]
Commodity and foreign currency derivative tax	($63)	($300)	$2,327
Foreign currency translation adjustments	328,233	295,192
Commodities and foreign currency derivatives, net of tax of $1,714 and ($25), respectively	8,291	-2,568
Total accumulated comprehensive loss	$336,524	$292,624