Triquint Semiconductor (TQNT) 10-K 21 Feb 14 2013 FY Annual report Financial data

Document_and_Entity_Informatio

Document and Entity Information (USD $)	12 Months Ended
	Dec. 31, 2013	Feb. 18, 2014	Jun. 29, 2013
Document and Entity Information	'	'	'
Document Type	'10-K	'	'
Amendment Flag	'false	'	'
Document Period End Date	31-Dec-13	'	'
Document Fiscal Year Focus	'2013	'	'
Document Fiscal Period Focus	'FY	'	'
Trading Symbol	'TQNT	'	'
Entity Registrant Name	'TRIQUINT SEMICONDUCTOR INC	'	'
Entity Central Index Key	'0000913885	'	'
Current Fiscal Year End Date	'--12-31	'	'
Entity Filer Category	'Large Accelerated Filer	'	'
Entity Current Reporting Status	'Yes	'	'
Entity Voluntary Filers	'No	'	'
Entity Well-known Seasoned Issuer	'No	'	'
Entity Public Float	'	'	$866,697,131
Entity Common Stock, Shares Outstanding	'	163,762,526	'

CONSOLIDATED_STATEMENTS_OF_OPE

CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE (LOSS) INCOME (USD $)	12 Months Ended
In Thousands, except Per Share data, unless otherwise specified	Dec. 31, 2013		Dec. 31, 2012		Dec. 31, 2011
Income Statement [Abstract]	'		'		'
Revenue	$892,879		$829,174		$896,083
Cost of goods sold	635,194		591,578		574,152
Gross profit	257,685		237,596		321,931
Operating expenses:	'		'		'
Research, development and engineering	189,967		160,483		146,902
Selling, general and administrative	108,410		106,642		96,779
Litigation expense	0		7,547		19,224
Total operating expenses	298,377		274,672		262,905
(Loss) income from operations	-40,692		-37,076		59,026
Other (expense) income:	'		'		'
Interest income	107		241		293
Interest expense	-4,476		-2,112		-1,567
Recovery of investments in other companies	421		6,957		1,363
Other, net	-426		116		-143
Total other (expense) income, net	-4,374		5,202		-54
(Loss) income before income tax	-45,066		-31,874		58,972
Income tax (benefit) expense	-7,058		-5,705		10,822
Net (loss) income	-38,008		-26,169		48,150
Net (loss) income per common share:	'		'		'
Basic	($0.24)	[1]	($0.16)	[1]	$0.29
Diluted	($0.24)	[1]	($0.16)	[1]	$0.28
Common equivalent shares:	'		'		'
Basic	159,349		164,366		164,256
Diluted	159,349		164,366		172,510
Other comprehensive income (loss):	'		'		'
Changes in unrealized gain (loss) on available for sale investments	3		-3		0
Changes in unrealized gain (loss) on pension obligations	458		-503		-340
Comprehensive (loss) income	($37,547)		($26,675)		$47,810
[1]	Earnings per share is computed individually for each of the quarters presented; therefore, the sum of the quarterly earnings per share may not necessarily equal the total for the year.

CONSOLIDATED_BALANCE_SHEETS

CONSOLIDATED BALANCE SHEETS (USD $)	Dec. 31, 2013	Dec. 31, 2012
In Thousands, unless otherwise specified
Current assets:	'	'
Cash and cash equivalents	$79,026	$116,653
Investments in marketable securities	0	22,305
Accounts receivable, net	177,114	132,729
Inventories	159,488	138,246
Prepaid expenses	13,617	8,938
Deferred tax assets, net	12,787	12,530
Other current assets	39,960	48,382
Total current assets	481,992	479,783
Property, plant and equipment, net	420,363	448,741
Goodwill	13,519	4,391
Intangible assets, net	23,510	23,163
Deferred tax assets - noncurrent, net	61,554	57,185
Other noncurrent assets, net	32,319	40,415
Total assets	1,033,257	1,053,678
Current liabilities:	'	'
Accounts payable	52,472	65,388
Accrued payroll	39,743	33,254
Other accrued liabilities	15,893	15,132
Total current liabilities	108,108	113,774
Long-term liabilities:	'	'
Long-term income tax liability	2,062	2,809
Cross-licensing liability	11,752	12,818
Other long-term liabilities	16,782	15,878
Total liabilities	138,704	145,279
Commitments and contingencies (Note 10)	'	'
Stockholders’ equity:	'	'
Preferred Stock, $0.001 par value, 5,000 shares authorized, no shares issued	0	0
Common stock, $0.001 par value, 600,000 shares authorized, 161,774 and 160,611 shares issued and outstanding at December 31, 2013 and December 31, 2012, respectively	162	161
Additional paid-in capital	699,903	676,203
Accumulated other comprehensive income (loss)	95	-366
Retained earnings	194,393	232,401
Total stockholders’ equity	894,553	908,399
Total liabilities and stockholders’ equity	$1,033,257	$1,053,678

CONSOLIDATED_BALANCE_SHEETS_PA

CONSOLIDATED BALANCE SHEETS (PARENTHETICAL) (USD $)	Dec. 31, 2013	Dec. 31, 2012
Preferred stock, par value	$0.00	$0.00
Preferred stock, shares authorized	5,000,000	5,000,000
Preferred stock, shares issued	0	0
Common stock, par value	$0.00	$0.00
Common stock, shares authorized	600,000,000	600,000,000
Common stock, shares issued	161,774,000	160,611,000
Common stock, shares outstanding	161,774,000	160,611,000

CONSOLIDATED_STATEMENTS_OF_STO

CONSOLIDATED STATEMENTS OF STOCKHOLDERS’ EQUITY (USD $)	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Other Comprehensive Income [Member]	Retained Earnings [Member]
In Thousands, unless otherwise specified
Stockholders' Equity at Dec. 31, 2010	$834,019	$161	$622,958	$480	$210,420
Shares, Outstanding at Dec. 31, 2010	'	161,463	'	'	'
Increase (Decrease) in Stockholders' Equity [Roll Forward]	'	'	'	'	'
Issuance of common stock under plans	'	4,662	'	'	'
Issuance of common stock under plans (value)	29,205	5	29,200	'	'
Stock-based compensation	25,786	'	25,786	'	'
Excess tax benefit from share based compensation	468	'	468	'	'
Accumulated other comprehensive (loss) income	-340	'	'	-340	'
Net (loss) income	48,150	'	'	'	48,150
Stockholders' Equity at Dec. 31, 2011	937,288	166	678,412	140	258,570
Shares, Outstanding at Dec. 31, 2011	'	166,125	'	'	'
Increase (Decrease) in Stockholders' Equity [Roll Forward]	'	'	'	'	'
Issuance of common stock under plans	'	4,695	'	'	'
Issuance of common stock under plans (value)	18,404	5	18,399	'	'
Stock Repurchased and Retired During Period, Shares	-10,209	'	'	'	'
Stock Repurchased and Retired During Period, Value	-50,000	-10	-49,990	'	'
Stock-based compensation	29,255	'	29,255	'	'
Excess tax benefit from share based compensation	127	'	127	'	'
Accumulated other comprehensive (loss) income	-506	'	'	-506	'
Net (loss) income	-26,169	'	'	'	-26,169
Stockholders' Equity at Dec. 31, 2012	908,399	161	676,203	-366	232,401
Shares, Outstanding at Dec. 31, 2012	'	160,611	'	'	'
Increase (Decrease) in Stockholders' Equity [Roll Forward]	'	'	'	'	'
Issuance of common stock under plans	'	7,760	'	'	'
Issuance of common stock under plans (value)	36,442	8	36,434	'	'
Stock Repurchased and Retired During Period, Shares	-7,670	'	'	'	'
Stock Repurchased and Retired During Period, Value	-51,125	-8	-51,117	'	'
Stock-based compensation	29,428	'	29,428	'	'
Excess tax benefit from share based compensation	454	'	454	'	'
Accumulated other comprehensive (loss) income	461	'	'	461	'
Net (loss) income	-38,008	'	'	'	-38,008
Stock Issued During Period, Value, Acquisitions	8,502	1	8,501	'	'
Stock Issued During Period, Shares, Acquisitions	'	1,073	'	'	'
Stockholders' Equity at Dec. 31, 2013	$894,553	$162	$699,903	$95	$194,393
Shares, Outstanding at Dec. 31, 2013	'	161,774	'	'	'

CONSOLIDATED_STATEMENTS_OF_CAS

CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $)	12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Cash flows from operating activities:	'	'	'
Net (loss) income	($38,008)	($26,169)	$48,150
Adjustments to reconcile net (loss) income to net cash provided by operating activities:	'	'	'
Depreciation and amortization	106,512	96,555	66,022
Stock-based compensation charges	29,553	29,225	25,082
Deferred income tax (benefit) expense	-6,010	-8,687	14,600
Recovery of investment	-421	-6,957	-1,363
Impairment of Long-Lived Assets to be Disposed of	22,450	0	0
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability	-1,868	-788	-475
Other	540	-586	96
Changes in assets and liabilities, net of assets acquired:	'	'	'
Accounts receivable, net	-43,501	-3,626	9,886
Inventories	-20,551	14,991	-49,416
Other assets	2,629	-33,651	-3,855
Current and long-term liabilities	-4,611	20,756	-8,160
Net cash provided by operating activities	46,714	81,063	100,567
Cash flows from investing activities:	'	'	'
Purchase of available-for-sale investments	-20,939	-73,383	-80,580
Maturity / sale of available-for-sale investments	43,247	97,081	65,766
Proceeds from gain/recovery of investment in other companies	421	6,957	1,363
Payments for acquisitions	-5,940	-4,500	0
Other	961	-175	-707
Capital expenditures	-87,034	-75,278	-192,384
Net cash used in investing activities	-69,284	-49,298	-206,542
Cash flows from financing activities:	'	'	'
Subscription/issuance of common stock, net	36,777	18,456	29,548
Loan commitment fees	0	0	-200
Payments	-1,163	0	0
Repurchase of common stock	-51,125	-50,000	0
Excess tax benefit from stock-based compensation arrangements	454	127	468
Net cash (used in) provided by financing activities	-15,057	-31,417	29,816
Net (decrease) increase in cash and cash equivalents	-37,627	348	-76,159
Cash and cash equivalents at beginning of period	116,653	116,305	192,464
Cash and cash equivalents at end of period	79,026	116,653	116,305
Supplemental disclosures:	'	'	'
Change in timing of payments related to capital expenditures	8,007	-5,916	-13,804
Cash paid for income taxes	$1,080	$39	$2,640

The_Company

The Company	12 Months Ended
	Dec. 31, 2013
The Company [Abstract]	'
The Company	'
	The Company
	TriQuint Semiconductor, Inc. (collectively with its wholly owned subsidiaries, the “Company”) provides a comprehensive portfolio of advanced, high-performance radio frequency ("RF") solutions. The Company designs, develops and manufactures high-performance RF solutions with gallium arsenide ("GaAs"), gallium nitride ("GaN"), surface acoustic wave ("SAW") and bulk acoustic wave ("BAW") technologies. The Company serves customers worldwide in the mobile device, network infrastructure and defense & aerospace markets. The Company is a high-volume supplier of active and passive components and provides integrated solutions.

Significant_Accounting_Policie

Significant Accounting Policies	12 Months Ended
	Dec. 31, 2013
Accounting Policies [Abstract]	'
Significant Accounting Policies	'
	Significant Accounting Policies
	Principles of Consolidation
	The consolidated financial statements for the periods presented include the accounts of the Company and its wholly owned subsidiaries, including TriQuint Europe Holding Company, TriQuint TFR Inc., TriQuint, Inc., TriQuint S.R.L., TriQuint Semiconductor Texas LLC, TriQuint Sales and Design, Inc., TriQuint Semiconductor GmbH, TriQuint Asia Inc., TriQuint Asia LLC, TriQuint (Shanghai) Trading Co. Ltd., TriQuint Semiconductor Japan YK, TriQuint WJ, Inc., WJ Newco LLC, TriQuint International Pte. Ltd. Singapore and TriQuint Semiconductor Malaysia SDN BHD. The Company has no investments in which it exercises significant influence but which it does not control (20% to 50% ownership interest). All intercompany transactions and balances have been eliminated.
	Management Estimates
	The preparation of financial statements in conformity with accounting principles generally accepted in the United States of America (“GAAP”) requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, the disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenue and expenses during the reporting period. The Company bases its estimates on historical experience and on various other assumptions that are believed to be reasonable in the circumstances. Examples of such estimates include, but are not limited to, revenue recognition, sales returns allowances, the valuation of inventory, the accounting for income taxes, impairments of investments, goodwill and long-lived assets, the accounting for precious metals reclaim, stock-based compensation, business acquisition earnout liabilities, the accounting for litigation and settlement costs and commitments and contingencies. On a regular basis, or as new information becomes available, the Company reviews its estimates to ensure the estimates appropriately reflect changes in its business. Management believes that these estimates are reasonable; however, actual results could materially differ from these estimates.
	Revenue Recognition
	The Company's revenue is primarily derived from the sale of products in the mobile devices, networks infrastructure and defense & aerospace end markets. The Company also receives revenue from foundry services, non-recurring engineering fees and cost-plus contracts for research and development work, which collectively has comprised less than 10% of consolidated revenue for any period. The Company’s distribution channels include direct sales staff, manufacturers’ representatives and independent distributors. The majority of the Company’s shipments are made directly to its customers. Revenue from the sale of the Company's products is recognized when title to the products passes to the buyer. The Company's product sales include warranty provisions that provide that the products will be free of faulty workmanship or defective materials and that the products will conform to the Company's published specifications or other specifications mutually agreed upon with the customer. The Company's historical warranty claims experience, and its warranty liability, have not been material.
	Revenue from the Company’s distributors is recognized when the product is sold to the distributor and was as follows:
		Year ended December 31,
		2013		2012		2011
	Revenue from distributors	$	76,443	$	79,360	$	81,896
	The Company’s distribution agreements provide for selling prices that are fixed at the date of sale, although the Company may elect after the sale to offer price protection credits which are specific, of a fixed duration and accounted for as a reduction to revenue when offered. Further, the payment obligation is not contingent on reselling the product or further action by the Company. The distributors take title to the product and bear the risks of ownership, the distributor has economic substance and the amount of future returns can be reasonably estimated. If the Company is unable to repair or replace products returned under warranty, the Company will issue a credit for a warranty return. The Company reduces revenue and records allowances for product returns, price protection credits and stock rotation credits based on historical experience or specific identification depending on the contractual terms of the arrangement. The revenue allowances have remained approximately consistent as a percentage of revenue and the Company has visibility into the distributors' inventory levels and qualifying sales, and is, therefore, able to reasonably estimate the revenue allowances.
	The Company receives periodic reports from customers who use inventory hubs and recognizes revenue when customers acknowledge they have pulled inventory from its hub, the point at which title to the product passes to the customer.
	Revenue from foundry services and non-recurring engineering fees is recorded when the service is completed. Revenue from cost-plus contracts is recognized as costs are incurred.
	The Company recognizes amounts billed to a customer in a sale transaction related to shipping and handling as revenue. The costs incurred by the Company for shipping and handling are classified as costs of goods sold.
	Cash Equivalents
	The Company considers all highly liquid debt and other instruments purchased with an original maturity of three months or less to be cash equivalents. These investments include money market funds. Company’s cash equivalents were as follows:
		December 31, 2013		December 31, 2012
	Cash equivalents	$	25,904	$	53,549
	Marketable Securities and Other Investments
	The Company determines the appropriate classification of its investments at the time of acquisition and reevaluates such determination at each balance sheet date. The Company’s investment policy sets minimum credit quality criteria and maximum maturity limits on its investments to provide for safety of principal, liquidity and a reasonable rate of return. Investments for which maturity from the balance sheet date is greater than one year are classified as long-term investments in marketable securities. Available-for-sale securities are recorded at fair value, based on current market valuations. Unrealized holding gains and losses, net of the related tax effect, on available-for-sale securities are excluded from earnings and are reported as a separate component of other comprehensive income until realized. Realized gains and losses are included in earnings in the period in which they are realized and are derived using the specific identification method for determining the cost of the securities sold.
	Trade Accounts Receivable
	Trade accounts receivable are recorded at the invoiced amount and do not bear interest. The Company establishes an allowance for the trade accounts receivable which represents the Company’s best estimate of the amount of probable credit losses in the Company’s existing accounts receivable. The Company determines the allowance by performing ongoing evaluations of its customers and their ability to make payments.
	The Company determines the adequacy of the allowance based on length of time past due, historical experience and judgment of economic conditions. Additionally, the Company has a credit policy that is applied to potential customers. Account balances are charged off against the allowance after all means of collection have been exhausted and the potential for recovery is considered remote. The Company does not have any off-balance sheet credit exposure related to its customers.
	Precious Metals Reclaim
	The Company uses historical experience to estimate the amount of reclaim on precious metals used in manufacturing at the end of each period and states the reclaim value at the lower of average cost or market. The estimated value to be received from precious metal reclaim is included in other current assets.
	Inventories
	The Company states inventories at the lower of cost or market. The Company uses a standard cost methodology to determine the cost basis for inventories. This methodology approximates actual cost on a first-in, first-out basis. In addition to stating inventory at the lower of cost or market, the Company also evaluates inventory each period for excess quantities and obsolescence. This evaluation, based on historical experience and the Company’s judgment of economic conditions, includes identifying those parts specifically identified as obsolete and writing them down, analyzing historical usage as well as forecasted demand versus quantities on hand and writing down the excess, and identifying and recording other specific write-downs.
	Property, Plant & Equipment
	Property, plant and equipment is recorded at cost. Rent expense for operating leases is recorded on a straight-line basis over the lease term. If a lease contains an escalation clause, the difference between rent expense and rent paid is recorded as deferred rent and is included in accrued liabilities on the consolidated balance sheets.
	Depreciation is recorded using the straight-line method over the estimated useful lives of the assets, which are generally as follows: 3 to 7 years for machinery and equipment, furniture and fixtures and computer equipment and software; 5 to 20 years for building improvements; and 39 years for buildings. Leasehold improvements are amortized over the shorter of the estimated life of the asset or the term of the related lease, generally 3 to 10 years. Asset lives are reviewed periodically to determine if they are appropriate and adjustments are made as necessary. Depreciation begins at the time assets are placed in service. Maintenance and repairs are expensed as incurred. The Company incurred depreciation expense as follows:
		Year Ended December 31,
		2013		2012		2011
	Depreciation expense	$	99,759	$	90,046	$	59,919
	Goodwill and Other Intangible Assets
	Goodwill represents the excess of cost over fair value of the net assets of businesses acquired. Other intangible assets consist primarily of patents, developed technology, customer relationships, in-process research and development, and other intangibles with estimable useful lives, ranging from 3 to 15 years at the time of acquisition. Goodwill and intangible assets acquired in a purchase business combination and determined to have indefinite useful lives are not amortized, but instead reviewed at least annually for impairment. In-process research and development ("IPR&D") is amortized or impaired upon completion or abandonment of specific projects. Intangible assets with estimable useful lives are amortized over their respective estimated useful lives.
	The Company is required to perform an impairment analysis on its goodwill at least annually, or when events and circumstances warrant. Conditions that would trigger an impairment assessment, include, but are not limited to, a significant adverse change in legal factors or in the business climate that could affect the value of an asset or an adverse action or assessment by a regulator. The Company is considered one reporting unit. When the Company performed this test in 2013, the Company elected to use the two-step goodwill impairment test. As a result, to determine whether goodwill may be impaired, the Company compares its book value to its market capitalization. If the trading price of the Company’s common stock, as adjusted for factors such as a control premium, is below the book value per share at the date of the annual impairment test or if the average trading price of the Company’s common stock is below book value per share for a sustained period, a goodwill impairment test will be performed by comparing book value to estimated market value. If the comparison of book value to estimated market value indicates impairment, then the Company compares the implied fair value of goodwill to its carrying amount in a manner similar to a purchase price allocation for a business combination. If the carrying amount of goodwill exceeds its implied fair value, an impairment loss is recognized equal to that excess. The Company performs this test in the fourth quarter of each year, unless indicators warrant testing at an earlier date.
	Research and Development Costs
	The Company expenses research and development costs associated with the development of new products and processes when incurred. Engineering and design costs related to revenue on nonrecurring engineering services billed to customers are classified as cost of goods sold.
	Advertising Costs
	The Company expenses advertising costs as incurred. For 2013, 2012 and 2011, advertising costs were immaterial.
	Comprehensive (Loss) Income
	The Company reports all changes in equity that result from transactions and economic events other than transactions with owners in comprehensive (loss) income . The components of comprehensive (loss) income include unrealized holding gains and losses on available-for-sale investments and unrealized gains and losses on pension obligations which are included as a separate component of stockholders’ equity until realized.
	Net (Loss) Income Per Share
	Basic net (loss) income per share is calculated by dividing the net (loss) income for the period by the weighted-average number of common shares outstanding during the period. Diluted net loss per share is net loss applicable to common stockholders divided by the weighted-average number of common shares outstanding. Diluted net income per share is similar to basic net income per share, except that the denominator includes potential common shares that, had they been issued, would have had a dilutive effect (“dilutive securities”). Dilutive securities include options granted pursuant to the Company’s stock option plans and potential shares related to the Company’s Employee Stock Purchase Plan ("ESPP"). A reconciliation of the numerators and denominators of the basic and diluted net (loss) income per share calculations for 2013, 2012 and 2011 is presented in Note 6.
	Income Taxes
	The Company is subject to taxation from federal, state and international jurisdictions. A significant amount of judgment is involved in preparing the provision for income taxes and the calculation of resulting deferred tax assets and liabilities.
	The Company follows the asset and liability method of accounting for income taxes. Under this method, deferred tax assets and liabilities are recognized for the expected future tax consequences of temporary differences between tax and financial reporting. Deferred tax assets and liabilities are measured using the currently enacted tax rates that apply to taxable income in effect for the years in which those tax assets are expected to be realized or settled. The Company uses the with-and-without approach, disregarding indirect tax impacts, for determining the period in which tax benefits for excess share-based deductions are recognized. Net operating losses from prior years reduced federal and state income tax obligations such that the Company did not have significant income taxes payable at December 31, 2013 or December 31, 2012.
	The Company records a valuation allowance to reduce deferred tax assets to the amount that is believed more-likely-than-not to be realized in future tax returns. Significant management judgment is required in determining any valuation allowances that might be required against the deferred tax assets. Accounting Standards Codification ("ASC") 740 clarifies the accounting for uncertainty in income taxes recognized in an enterprise's financial statements in accordance with GAAP. ASC 740 prescribes a recognition threshold and measurement attribute for the financial statement recognition and measurement of a tax position taken or expected to be taken in a tax return. This statement also provides guidance on derecognition, classification, interest and penalties, accounting in the interim periods and disclosure.
	The calculation of the Company's tax liabilities is subject to legal and factual interpretation, judgment and uncertainty in a multitude of jurisdictions and includes addressing uncertainties in the application of complex tax regulations. The Company recognizes liabilities for uncertain tax positions in the U.S. and other tax jurisdictions based on recognition and measurement criteria prescribed by ASC 740. The liabilities are periodically reviewed for their adequacy and appropriateness. Changes to the Company's assumptions could cause the Company to find a revision of estimates appropriate. Such a change in measurement would result in the recognition of a tax benefit or an additional charge to the tax provision.
	Tax laws and regulations themselves are subject to change as a result of changes in fiscal policy, changes in legislation, the evolution of regulations, and court rulings. The Company recognizes potential liabilities for anticipated tax audit issues in the U.S. and other tax jurisdictions based on the Company's estimate of whether, and the extent to which, additional taxes and interest will be due. The Company records an amount as an estimate of probable additional income tax liability based on the largest amount that the Company determines is more likely than not, based upon the technical merits of the position, to be sustained upon audit by the relevant tax authority.
	The Company's unrecognized tax benefits ("UTB") are recorded as a reduction to deferred tax assets when said UTBs relate to jurisdictions and tax years wherein a tax loss or credit is available. All remaining UTBs are recorded as a liability in the consolidated balance sheets. This treatment is consistent with the manner described in the recent Accounting Standards Update No. 2013-11. To the extent interest and penalties would be assessed by taxing authorities of any underpayment of income taxes, such amounts are accrued and classified as a component of income tax expense on the consolidated statement of operations. Realization of the UTBs results in a favorable impact to the effective tax rate. See Note 9 for additional information about the Company's income taxes.
	As of December 31, 2013, the Company was not under audit by any income tax authorities. Tax periods within the statutory period of limitations not previously audited are potentially open for examination by the tax authorities. Potential liabilities associated with these years will be resolved when an event occurs to warrant closure, primarily through the completion of audits by the tax jurisdictions and/or the expiration of the statutes of limitation. To the extent audits or other events result in a material adjustment to the accrued estimates, the effect would be recognized during the period of the event. The Company believes that an appropriate estimated liability has been established for potential exposures.
	Impairments of Long-lived Assets
	Long-lived assets, such as property, plant, and equipment, and purchased intangibles subject to amortization, are reviewed for impairment whenever events or changes in circumstances indicate that the carrying amount of an asset group may not be recoverable. Recoverability of assets to be held and used is measured by a comparison of the carrying amount of an asset to estimated undiscounted future cash flows expected to be generated by the asset. If the carrying amount of an asset group exceeds its estimated future undiscounted cash flows, an impairment charge is recognized in the amount by which the carrying amount of the asset exceeds the fair value of the asset. Depending on the asset, fair value is determined by reference to market prices or through discounted cash flow analysis. Assets to be disposed of are separately presented in the consolidated balance sheets and reported at the lower of the carrying amount or fair value less costs to sell, and are no longer depreciated.
	During the fourth quarter of 2013, the Company recorded impairment charges of $22,450 associated with management's plans to dispose of assets in connection with a reduction of GaAs capacity. The fair value of the impacted assets was determine using available market prices. The Company did not record an impairment charge on its long-lived assets for either of the years ended December 31, 2012 or 2011.
	Stock-Based Compensation
	The Company has stock-based employee compensation plans, which are described in Note 12. The Company records compensation expense for all stock-based payment awards made to employees and directors. Compensation expense for the Company’s stock-based payments, which includes employee stock options, restricted stock units ("RSUs"), market based restricted stock units ("MSUs") and the ESPP, is based on estimated fair values at the time of the grant or subscription period, respectively.
	The Company estimates the fair value of option awards on the date of grant using the Black-Scholes option pricing model which requires a number of assumptions, including the expected lives of stock options, the volatility of the public market price for the Company’s common stock and interest rates. The determination of fair value of RSU awards is based on the value of the Company's stock on the date of grant. The fair value of MSU awards is determined using a Monte Carlo simulation model which is affected by assumptions regarding subjective and complex variables determined at the grant date based on the target number of awards ultimately expected to be awarded.
	Stock-based compensation expense recognized during the period is based on the value of the portion of stock-based payment awards that are ultimately expected to vest. Stock-based compensation expense recognized during the years ended December 31, 2013, 2012 and 2011 included compensation expense for stock-based payment awards granted from 2007 through the current year. The compensation expense for these grants was based on the grant date estimated fair value. Compensation expense for all stock-based payment awards is recognized using the straight-line method over the vesting term of the award. As stock-based compensation expense recognized during 2013, 2012 and 2011 was based on awards ultimately expected to vest, the gross expense has been reduced for estimated forfeitures.
	Reclassifications
	Certain immaterial reclassifications have been made to disclosures of prior year intangible assets in Note 7 and other current assets in Note 4 to conform with the current year presentation.

Fair_Value_of_Financial_Instru

Fair Value of Financial Instruments	12 Months Ended
	Dec. 31, 2013
Fair Value Disclosures [Abstract]	'
Fair Value of Financial Instruments	'
	Fair Value of Financial Instruments
	The Company’s financial instruments consist of cash equivalents, trade receivables, investments and payables. The financial instruments listed in the tables below are measured at fair value and the remaining financial instruments have carrying values that approximate their fair values. The Company accounts for its assets utilizing a hierarchy of valuation techniques based on whether the inputs to those valuation techniques are observable or unobservable. Observable inputs reflect market data obtained from independent sources, while unobservable inputs reflect the Company’s market assumptions. These two types of inputs have created the following fair-value hierarchy:
	•	Level 1—Quoted prices for identical instruments in active markets;
	•	Level 2—Quoted prices for similar instruments in active markets, quoted prices for identical or similar instruments in markets that are not active, and model-derived valuations in which all significant inputs and significant value drivers are observable in active markets; and
	•	Level 3—Valuations derived from valuation techniques in which one or more significant inputs or significant value drivers are unobservable.
	Assets and liabilities measured and recorded at fair value on a recurring basis at December 31, 2013 were as follows:
		Carrying			Total		Cash		Level 1		Level 2		Level 3
		Amount			Fair Value
	Measured on a recurring basis:
	Assets:
	Cash	$	53,122		$	53,122	$	53,122	$	—	$	—	$	—
	Cash equivalents	25,904			25,904		—		25,904		—		—
	Non-Qualified Deferred Compensation Plan Funds	6,571			6,571		—		6,571		—		—
	Total	$	85,597		$	85,597	$	53,122	$	32,475	$	—	$	—
	Liabilities:
	Earnout and milestone payment liability	$	2,426		$	2,426	$	—	$	—	$	—	$	2,426
	Non-Qualified Deferred Compensation Plan	6,571			6,571		—		6,571		—		—
	Total	$	8,997		$	8,997	$	—	$	6,571	$	—	$	2,426
	Assets and liabilities measured and recorded at fair value on a recurring basis at December 31, 2012 were as follows:
		Carrying			Total		Cash		Level 1		Level 2		Level 3
		Amount			Fair Value
	Measured on a recurring basis:
	Assets:
	Cash	$	63,104		$	63,104	$	63,104	$	—	$	—	$	—
	Cash equivalents	53,549			53,549		—		53,549		—		—
	Short-term—marketable securities	22,305			22,305		—		4,510		17,795		—
	Non-Qualified Deferred Compensation Plan funds	4,591			4,591		—		4,591		—		—
	Total	$	143,549		$	143,549	$	63,104	$	62,650	$	17,795	$	—
	Liabilities:
	Earnout payment liability	$	5,457		$	5,457	$	—	$	—	$	—	$	5,457
	Non-Qualified Deferred Compensation Plan	4,591			4,591		—		4,591		—		—
	Total	$	10,048		$	10,048	$	—	$	4,591	$	—	$	5,457
	The instruments classified as Level 1 are measured at fair value using quoted market prices. The investments classified as Level 2 were valued using quoted prices for similar instruments in markets that are not active since identical instruments were not available. The Company determines the hierarchy levels at the end of each quarter.
	The non-qualified deferred compensation plan provides eligible employees and members of the Board of Directors with the opportunity to defer a specified percentage of their cash compensation. The Company includes the asset deferred by the participants in the “Other noncurrent assets, net” line item of its consolidated balance sheets and the Company's obligation to deliver the deferred compensation in the “Other long-term liabilities” line item of its consolidated balance sheets.
	The Company's earnout and milestone payment liability as of December 31, 2013 resulted from two acquisitions during 2012 and represents the fair value of the estimated payout to the former businesses contingent upon meeting certain requirements. For the first acquisition, as of December 31, 2013, the Company estimated the fair value of the obligation as $1,420 using a cash flow based approach discounted with a market discount rate. For the second acquisition, as of December 31, 2013, the Company estimated the fair value of the obligation as $1,006 using a Monte Carlo simulation model discounted using the risk free rate adjusted for an applicable credit spread. During 2013, the Company remeasured the fair value of the obligation for the second acquisition based on a change in forecast related to the achievement of earnout targets. The change in estimate resulted in a reduction in the liability of $3,511 and was recorded to selling general and administrative expenses in the statement of operations. For both of the acquisitions, total accretion of $1,643 was recognized during 2013.
	Details of the Level 3 fair value measurements are as follows:
	Ending earnout payment liability December 31, 2011	$	890
	Accretion	128
	Change in estimate	(916		)
	Additions	5,355
	Ending earnout payment liability December 31, 2012	$	5,457
	Accretion	1,643
	Change in estimate	(3,511		)
	Payments	(1,163		)
	Ending earnout payment liability December 31, 2013	$	2,426
	Financial Instruments Not Recorded at Fair Value on a Recurring Basis
	The Company entered into a cross-licensing agreement in 2012. The fair value of the cross-licensing liability was estimated using a discounted cash flow model which discounts future cash flows using an incremental borrowing rate of 9%. The cross-licensing liability was categorized as Level 3 in the fair value hierarchy and its ending fair value at December 31, 2013 and 2012 was $14,752 and $15,818, respectively. Of these amounts, $3,000 was current as of December 31, 2013 and 2012 and is included in other current liabilities in the balance sheet.

Selected_Financial_Statement_I

Selected Financial Statement Information	12 Months Ended
	Dec. 31, 2013
Selected Financial Statement Information [Abstract]	'
Selected Financial Statement Information	'
	Selected Financial Statement Information
		December 31, 2013				December 31, 2012
	Accounts receivable, net:
	Trade accounts receivable	$	177,134			$	132,782
	Allowance for doubtful accounts	(20		)		(53		)
		$	177,114			$	132,729
	Inventories:
	Raw materials	$	28,502			$	26,798
	Work-in-process	82,141				72,393
	Finished goods	48,845				39,055
		$	159,488			$	138,246
	Other current assets:
	Precious metals reclaim	$	25,742			$	39,472
	Other	14,218				8,910
		$	39,960			$	48,382
	Property, plant and equipment, net:
	Land	$	19,699			$	19,691
	Buildings	95,090				94,766
	Building and leasehold improvements	33,341				31,012
	Machinery and equipment	734,912				664,737
	Furniture and fixtures	7,042				6,915
	Computer equipment and software	50,226				46,930
	Assets in process	32,091				59,561
	Total property, plant and equipment, gross	972,401				923,612
	Accumulated depreciation	(552,038		)		(474,871		)
	Total property, plant and equipment, net	$	420,363			$	448,741
	Accrued payroll:
	Accrued payroll and taxes	$	16,746			$	13,670
	Accrued paid time off and sabbatical	16,593				14,979
	Accrued management incentive program	4,303				2,437
	Self-insurance liability	2,101				2,168
		$	39,743			$	33,254
	The following schedule is a rollforward of our allowance for doubtful accounts:
		Year ended December 31,
		2013			2012			2011
	Opening balance	53			46			76
	Reserve adjustments	(33	)		7			20
	Write-offs	—			—			(50	)
	Ending balance	20			53			46

Investments_in_Marketable_Secu

Investments in Marketable Securities	12 Months Ended
	Dec. 31, 2013
Investments, Debt and Equity Securities [Abstract]	'
Investments in Cash Equivalents and Marketable Securities	'
	Investments in Marketable Securities
	As of December 31, 2013 all cash equivalents are classified as available-for-sale and have maturity dates of less than 90 days. All unrealized gains and losses on available-for-sale investments are included in other comprehensive income. The cost, net unrealized holding gains, net unrealized holding losses and fair value of available-for-sale investments by types and classes of security at December 31, 2013 consisted of the following:
	At December 31, 2013	Cost		Net		Net			Fair
				unrealized		unrealized			Value
				holding gains		holding losses
	Available-for-sale - included in cash equivalents:
	Money market funds and other	25,904		—		—			25,904
		$	25,904	$	—	$	—		$	25,904
	The cost, net unrealized holding gains, net unrealized holding losses and fair value of available-for-sale investments by types and classes of security at December 31, 2012 consisted of the following:
	At December 31, 2012	Cost		Net		Net			Fair
				unrealized		unrealized			Value
				holding gains		holding losses
	Available-for-sale - included in cash equivalents:
	Money market funds and other	53,549		—		—			53,549
	Available-for-sale - included in short-term marketable securities:
	Municipal notes	4,510		—		—			4,510
	U.S. treasury securities	1,065		—		—			1,065
	U.S. government-sponsored enterprise securities	14,933		—		(3		)	14,930
	Corporate debt securities	1,800		—		—			1,800
		$	75,857	$	—	$	(3	)	$	75,854
	The contractual maturities of investments as of December 31, 2013 and 2012 were all due or callable in one year or less.
	Investments are considered to be impaired when a decline in fair value is judged to be other-than-temporary. The Company employs a methodology that reviews specific securities in evaluating potential impairment of its investments. In the event that the cost of an investment exceeds its fair value, the Company evaluates, among other factors, the Company’s intent and ability to hold the investment and extent to which the fair value is less than cost; the financial health of and business outlook for the issuer; and operational and financing cash flow factors. During 2013, 2012 and 2011, the Company did not record any other-than-temporary impairments on its marketable securities.

Net_Income_Per_Share

Net Income Per Share	12 Months Ended
	Dec. 31, 2013
Earnings Per Share [Abstract]	'
Net (Loss) Income Per Share	'
	Net (Loss) Income Per Share
	The following summarizes the elements included in the calculation of basic and diluted net (loss) income per share for 2013, 2012 and 2011:
		Year ended December 31,
		2013			2012			2011
	Net (loss) income	$	(38,008	)	$	(26,169	)	$	48,150
	Weighted average shares outstanding—Basic	159,349			164,366			164,256
	Dilutive securities	—			—			8,254
	Weighted average shares outstanding—Dilutive	159,349			164,366			172,510
	Net (loss) income per common share:
	Basic	$	(0.24	)	$	(0.16	)	$	0.29
	Diluted	$	(0.24	)	$	(0.16	)	$	0.28
	For 2013 and 2012, all outstanding stock options, RSUs and MSUs, included in Note 12, were excluded from the calculation as their effect would have been antidilutive. For 2011, 6,174 stock options were excluded from the calculation as their effect would have been antidilutive.

Goodwill_and_Other_Acquisition

Goodwill and Other Acquisition-Related Intangible Assets	12 Months Ended
	Dec. 31, 2013
Goodwill and Intangible Assets Disclosure [Abstract]	'
Goodwill and Other Acquisition-Related Intangibles	'
	Goodwill and Other Acquisition-Related Intangible Assets
	The Company performs its annual goodwill impairment test in the fourth quarter of each year, unless indicators warrant testing at an earlier date. During its annual impairment test in the fourth quarter of 2013, the price of the Company’s common stock adjusted for a control premium was above its book value and the Company concluded its goodwill was not impaired. In 2012 and 2011, no impairment of goodwill was recorded since the Company’s fair value substantially exceeded its carrying value. Information regarding the Company’s other acquisition-related intangible assets is as follows:
				December 31, 2013												December 31, 2012
		Weighted Average Remaining Useful Life (years)		Gross				Accumulated				Net Book			Weighted Average Remaining Useful Life (years)	Gross				Accumulated				Net Book
								Amortization				Value								Amortization				Value
	Goodwill			$	13,519			$	—			$	13,519			$	4,391			$	—			$	4,391
	Amortizing intangible assets:
	Developed Technology and other	8		47,020				(31,679		)		15,341			5.4	42,020				(26,492		)		15,528
	Patents and Trademarks	10.1		3,623				(1,805		)		1,818			9.5	3,023				(1,642		)		1,381
	Customer Relationships	5.6		13,979				(8,478		)		5,501			5	12,479				(7,075		)		5,404
				64,622				(41,962		)		22,660				57,522				(35,209		)		22,313
	Non-amortizing intangible assets:
	In-process research and development			850				—				850				850				—				850
	Total intangible assets			65,472				(41,962		)		23,510				58,372				(35,209		)		23,163
	Total goodwill and intangible assets			$	78,991			$	(41,962	)		$	37,029			$	62,763			$	(35,209	)		$	27,554
	Amortization expense of intangible assets was approximately as follows:
		Year ended December 31,
		2013				2012				2011
	Amortization expense	$	6,753			$	6,509			$	6,103
	The changes in the gross carrying amount of goodwill and intangible assets are as follows:
			Goodwill and Intangible Assets
			Goodwill				In process research and development				Developed Technology and other			Patents and Trademarks				Customer Relationships				Total
	Balance as of December 31, 2011		$	3,376			$	929			$	35,671		$	3,023			$	11,809			$	54,808
	Additions		1,015				850				6,349			—				670				8,884
	Deductions		—				(929		)		—			—				—				(929		)
	Balance as of December 31, 2012		$	4,391			$	850			$	42,020		$	3,023			$	12,479			$	62,763
	Additions		9,128				—				5,000			600				1,500				16,228
	Balance as of December 31, 2013		$	13,519			$	850			$	47,020		$	3,623			$	13,979			$	78,991
	During the third quarter of 2013, the Company completed the acquisition of CAP Wireless ("CAP") a producer of Spatium™ broadband amplifiers, which resulted in the recognition of net tangible assets of $16, and several intangible assets including developed technology of $5,000, customer relationships of $1,500, tradenames of $600, net deferred tax liabilities of $1,394 and goodwill of $9,128. Total consideration of $14,850 was paid primarily with a combination of cash and Company stock. The developed technology, customer relationship and tradename assets are amortized over a period of 3 to 14 years. The Company has estimated the fair value of the identifiable intangible assets, which are subject to amortization, using a cash flow based approach discounted with a market discount rate. The estimated fair value of these assets is classified as a Level 3 measurement within the fair-value hierarchy. The goodwill is not deductible for tax purposes. The goodwill is calculated as the purchase price in excess of the fair value of assets and liabilities acquired, and represents the Company’s ability to expand its product line into solid state amplifiers, a high margin high growth market currently underserved by the Company.
	During 2012, certain product lines that were included in non-amortizing IPR&D reached technological feasibility. As a result, the Company transferred $929, to developed technology and began amortizing the amounts over a period of three years.
	During the third quarter of 2012, the Company acquired developed technology for $4,850 that is being amortized over a period of eleven years. The Company estimated the fair value of this asset using the relief from royalty valuation methodology discounted at a market discount rate.
	During the fourth quarter of 2012, the Company completed acquisitions that resulted in the recognition of several intangible assets including developed technology for $570, IPR&D for $850, customer relationships for $670 and goodwill for $1,015. The developed technology and the customer relationships assets is being amortized over a period of five years. The Company estimated the fair value of the developed technology and IPR&D assets using a relief from royalty valuation methodology discounted at a market discount rate. The fair value of the customer relationships asset was estimated using a cash flow based approach discounted at a market discount rate.
	Amortization expense related to intangible assets at December 31, 2013 in each of the next five fiscal years and beyond is expected to be as follows:
	2014	$	5,843
	2015	3,875
	2016	2,521
	2017	2,282
	2018	1,418
	Thereafter	6,721
		$	22,660

Bank_Line

Bank Line	12 Months Ended
	Dec. 31, 2013
Line of Credit Facility [Abstract]	'
Bank Line	'
	Bank Line
	On September 30, 2010, the Company, the domestic subsidiaries of the Company (the “Guarantors”), Bank of America, N.A., as administrative agent and lender, and Union Bank, N.A., Wells Fargo Bank, N.A., Bank of the West, BBVA Compass Bank and US Bank, as lenders (together with the administrative agent, the “Lenders”), entered into a Credit Agreement (the “Agreement”). The Agreement provides the Company with a three-year unsecured revolving syndicated credit facility of $200,000 maturing on September 30, 2013. On August 24, 2011, the Company extended, with Lender's consent, the maturity date to September 30, 2014. The Company’s obligations under the Agreement are jointly and severally guaranteed by the Guarantors. Upon the occurrence of certain events of default specified in the Agreement, amounts due under the Agreement may be declared immediately due and payable.
	The Company may elect to borrow at either a Eurodollar Rate or a Base Rate (each as defined in the Agreement). Eurodollar Rate loans bear interest at an amount equal to the sum of a rate per annum calculated from the British Bankers Association London Interbank Offered Rate ("LIBOR") plus a designated percentage per annum (the “Applicable Rate”). The Applicable Rate for Eurodollar Rate loans is based on the Company’s consolidated total leverage ratio (as defined in the Agreement) and is subject to a floor of 2.50% per annum and a cap of 3.00% per annum. Base Rate loans bear interest at a rate equal to the higher of the federal funds rate plus 0.50%, the prime rate of the Bank of America, N.A. plus the Applicable Rate or the Eurodollar Base Rate plus 1.0%. The Applicable Rate for Base Rate loans is subject to a floor of 1.50% per annum and a cap of 2.00% per annum. The interest payment date (as defined in the Agreement) will vary based on the type of loan but generally will be quarterly. The Company paid commitment fees, an arrangement fee, upfront fees and a renewal fee pursuant to the terms of the Agreement. The Company will also pay a quarterly fee for any letters of credit issued under the Agreement. The initial fees associated with the Agreement were capitalized and are being amortized to interest expense using the straight-line method over the remaining term to maturity.
	The Agreement contains non-financial covenants of the Company and the Guarantors, including restrictions on the ability to create, incur or assume liens and other debt, make certain investments, dispositions and restricted payments, change the nature of the business, and merge with other entities subject to certain caps as defined in the agreement. The Agreement requires the Company to maintain ratios defined in the Agreement, which include a consolidated total leverage ratio as of the end of any fiscal quarter not in excess of 2.50 to 1.00, a consolidated liquidity ratio of at least 1.25 to 1.00 and a consolidated interest coverage ratio at a minimum of 3.00 to 1.00. The Company is in compliance with these covenants as of December 31, 2013.
	At December 31, 2013 and 2012, there were no amounts outstanding under the Agreement. During the year ended December 31, 2013 the average outstanding balance under the Agreement was $5,178, and interest cost of $208 was incurred on borrowings. Since there were no borrowings under the Agreement during the year ended December 31, 2012, no interest cost was incurred on borrowings during 2012.

Income_Taxes

Income Taxes	12 Months Ended
	Dec. 31, 2013
Income Tax Disclosure [Abstract]	'
Income Taxes	'
	Income Taxes
	Domestic and foreign pre-tax (loss) income for 2013, 2012 and 2011 were as follows:
		Year ended December 31,
		2013				2012				2011
	Domestic	$	(5,754	)		$	(29,483	)		$	55,537
	Foreign	(39,312		)		(2,391		)		3,435
		$	(45,066	)		$	(31,874	)		$	58,972
	Income tax (benefit) expense for 2013, 2012 and 2011 consisted of the following:
		Year ended December 31,
		2013				2012				2011
	Current:
	Federal	$	(2,529	)		$	1,050			$	(7,138	)
	State	174				280				3,082
	Foreign	1,307				1,652				278
		(1,048		)		2,982				(3,778		)
	Deferred:
	Federal	(3,907		)		(12,625		)		13,974
	State	(1,757		)		4,158				219
	Foreign	(346		)		(220		)		407
		(6,010		)		(8,687		)		14,600
	Net income tax (benefit) expense	$	(7,058	)		$	(5,705	)		$	10,822
	The actual income tax (benefit) expense is different from that which would have been computed by applying the statutory federal income tax rate to (loss) income before income tax. A reconciliation of income tax (benefit) expense as computed at the U.S. federal statutory income tax rate to the provision for income tax (benefit) expense for 2013, 2012 and 2011 is as follows:
		Year ended December 31,
		2013			2012			2011
	Tax (benefit) expense at U.S. statutory rate	(35.0	)%		(35.0	)%		35	%
	State income tax, net of federal effect	0.3			—			1
	Change in valuation allowance	4.7			9.4			0.2
	Foreign income tax	(1.3	)		0.2			(0.5	)
	Foreign subsidiary tax holiday and rate differential	28.5			2.4			(2.0	)
	Stock-based compensation	2.4			6.1			2.6
	Increase (reduction) of uncertain tax position liability	7.3			1.7			(11.2	)
	Tax credits	(22.6	)		(1.4	)		(14.8	)
	State apportionment adjustment	(0.3	)		(0.5	)		7.7
	Other, net	0.3			(0.8	)		0.4
	Effective tax rate	(15.7	)%		(17.9	)%		18.4	%
	Deferred income tax assets and liabilities reflect the tax effects of temporary differences between the carrying amounts of assets and liabilities for financial reporting purposes and the amounts for income tax purposes. These temporary differences as of December 31, 2013 and 2012 were as follows:
		December 31, 2013				December 31, 2012
	Deferred tax assets:
	Capital research and development expenditures	$	2,867			$	4,790
	Accrued liabilities	9,957				6,794
	Impairment of investment in other companies	4,112				3,890
	Inventory	5,688				7,443
	Net operating loss carryforwards	23,336				33,029
	Research and development, and other credits	30,134				19,411
	Stock-based compensation	26,187				21,236
	Other	13,280				12,544
	Gross deferred tax assets	115,561				109,137
	Valuation allowance	(16,639		)		(14,518		)
	Total deferred tax assets	98,922				94,619
	Deferred tax liabilities:
	Fixed assets	(24,581		)		(24,904		)
	Total deferred tax liabilities	(24,581		)		(24,904		)
	Total deferred tax assets, net	$	74,341			$	69,715
	The Company recorded an income tax benefit of $7,058 and $5,705 for 2013 and 2012, respectively, and income tax expense of $10,822 for 2011. The 2013 tax benefit differs from the statutory rate primarily due to losses generated in foreign jurisdictions with low tax rates offset by the generation of additional federal income tax credits. The 2012 tax benefit differs from the statutory rate primarily due to an increase in the valuation allowance placed upon certain state attributes and the impact of book to tax differences related to stock based compensation expense. The 2011 tax expense differs from the statutory rate primarily due to the benefit of federal and state credits and the expiration of the statute of limitations on an uncertain tax position. The increase to the valuation allowance during 2013 is primarily the result of the Company's increased foreign net operating loss carryforwards. The increase in the valuation allowance for the net deferred tax assets for 2013, 2012 and 2011 was $2,121, $2,996 and $131, respectively.
	At December 31, 2013, the Company had approximately $111,615 of U.S. net operating loss carryforwards available to offset future U.S. taxable income, expiring from 2024 through 2032 if unused; and $134,778 of net operating loss carryforwards for state tax purposes, expiring from 2014 through 2032 if unused. Included in these amounts are NOLs from acquisitions which are subject to Internal Revenue Code section 382 annual utilization limitations following an ownership change. Of the total U.S. and state NOLs, $67,969 and $8,488, respectively, were generated from stock option deductions and are not reflected in the Company's deferred tax assets. When utilized, the benefit will be credited to additional paid-in capital in the Company's consolidated balance sheets. The Company had U.S. federal and state income tax credits of $34,565 and $15,983, respectively. These federal and state tax credits expire at various dates between 2014 and 2032. Of the total U.S. and state credits, $3,666 and $568, respectively, were generated from stock option deductions and are not reflected in the Company's deferred tax assets. No remaining federal capital loss carryforwards exist. The Company continues to maintain a valuation allowance against the tax effect of certain NOL and credit carryforwards, since management does not believe it is more likely than not that these benefits will be realized in future periods. Specifically, the carryforward period may expire before certain state NOL and credit carryforwards are utilized.
	In January, 2013, the American Taxpayer Relief Act of 2012 was signed into law, retroactively reinstating the R&E credit for 2012 and through 2013. As a result, the expected credits for 2012 and 2013 of approximately $4,835 and $5,505, respectively, was recorded in the current year.
	The major jurisdictions in which the Company files are the U.S., Singapore and Costa Rica. Tax years beginning in 2007 are subject to examination by taxing authorities, although NOL and credit carryforwards from all years are subject to examinations and adjustments for at least three years following the year in which the attributes are used. Due to agreements with the Costa Rican and Singaporean governments, the Company was granted income tax holidays of varying rates through March 2017 and December 2019, respectively. Incentives from these countries are subject to the Company meeting certain employment and investment requirements. The increase (decrease) in income tax expense for 2013, 2012 and 2011 as a result of the tax holidays was approximately $12,840, $765, and $(1,309), respectively.
	No provision has been made for the U.S., state or additional foreign income taxes related to approximately $70,500 of undistributed earnings of foreign subsidiaries which have been permanently reinvested outside the U.S. except for existing earnings that have been previously taxed. In the event the foreign subsidiaries repatriate these earnings, the earnings may be subject to an estimated $25,000 of U.S. federal and state income taxes and foreign withholding taxes.
	The Company's current cash, cash equivalent and short-term investment balances, (consisting of $37,354 in domestic balances and $41,672 in foreign balances) together with cash anticipated to be generated from operations and the balance available on its $200,000 syndicated credit facility, constitute the Company's principal sources of liquidity. The Company believes these sources of liquidity will satisfy its projected working capital, capital expenditure and possible investment needs domestically. The Company intends to permanently reinvest all foreign earnings except existing earnings that have been previously taxed. The Company is not presently aware of any restrictions on the repatriation of these funds. If these funds were needed to fund the Company's operations in the U.S., they could be repatriated. Repatriation of the Company's foreign funds would require board approval and could result in additional U.S. income taxes and foreign withholding taxes which could be partially offset by net operating losses and/or foreign tax credits.
	The Company's net unrecognized tax benefits recorded in income taxes payable totaled $2,062 and $2,809 as of December 31, 2013 and December 31, 2012, respectively. Net unrecognized tax benefits included accumulated interest and penalties of $767 and $590 as of December 31, 2013 and December 31, 2012, respectively. Within the next 12 months, the Company believes it is reasonably possible that $1,400 of net unrecognized tax benefits may be reduced as a result of the expiration of a statute of limitations.
	A reconciliation of the beginning and ending amount of gross unrecognized tax benefits for 2013 and 2012, which includes amounts recorded in income taxes payable as well as amounts offsetting the Company's deferred tax assets, is as follows:
	Balance December 31, 2011	$	10,381
	Reductions	(3,285		)
Additions	2,793
Balance December 31, 2012	$	9,889
Reductions	(418		)
Additions	4,533
Balance December 31, 2013	$	14,004

Commitments_and_Contingencies

Commitments and Contingencies	12 Months Ended
	Dec. 31, 2013
Commitments and Contingencies Disclosure [Abstract]	'
Commitments and Contingencies	'
	Commitments and Contingencies
	Legal Matters
	The Company is from time to time involved in litigation, certain other claims and arbitration matters arising in the ordinary course of its business. The Company does not believe the ultimate resolution of any such pending proceedings will have a material adverse effect on the Company’s financial position, results of operations or cash flows.
	Lease Commitments
	The Company leases certain equipment, office and manufacturing space under operating leases. Lease terms range from approximately one to ten years, expiring at various dates through 2020 with options to renew at varying terms. Commitments for minimum lease payments under non-cancelable leases as of December 31, 2013 were as follows:
	2014	$	4,007
	2015	3,455
	2016	3,103
	2017	2,547
	2018	2,253
	Thereafter	3,602
		$	18,967
	Rent expense under cancelable and non-cancelable operating leases for 2013, 2012 and 2011 was as follows:
		Year ended December 31,
		2013		2012		2011
	Rent expense	$	4,140	$	4,088	$	3,556

Concentration_of_Credit_Risk

Concentration of Credit Risk	12 Months Ended
	Dec. 31, 2013
Concentration of Credit Risk [Abstract]	'
Concentration of Credit Risk	'
	Concentration of Risk
	Suppliers
	The Company currently obtains some components, equipment and services for their products from limited or single sources. The Company purchases these components, equipment and services on a purchase order basis, does not carry significant inventories of components and does not have any long-term supply contracts with these vendors. Access to sufficient capacity from these vendors in periods of high demand may be limited, as the Company often does not account for a significant part of the vendor’s business. If the Company were to change any of its sole or limited source vendors, it would be required to requalify each new vendor. Requalification could prevent or delay product shipments that could negatively affect its results of operations. In addition, reliance on these vendors may negatively affect the Company’s production if the components, equipment or services vary in reliability or quality. If the Company is unable to obtain timely deliveries of sufficient quantities of acceptable quality or if the prices increase, results of operations could be harmed.
	Customers
	The Company grants trade credit to its customers, who are primarily foreign manufacturers of wireless communication devices, cable and broadcast television receivers and fiber optic communication devices. The Company performs periodic credit evaluations of its customers and generally does not require collateral; however, in certain circumstances, the Company may require letters of credit or prepayment from its customers. Sales and accounts receivable from customers are denominated in U.S. dollars. The Company has not experienced significant losses related to receivables from these individual customers. The Company purchases credit insurance for the majority of its foreign sales.

Stock_Stock_Options_and_Rights

Stock, Stock Options and Rights	12 Months Ended
	Dec. 31, 2013
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]	'
Stock, Stock Options and Rights	'
	Stock, Stock Options and Rights
	Preferred Stock
	The Company has authorized capital of 5,000 shares of $0.001 par value preferred stock. Holders of the preferred stock are entitled to one thousand votes for each share of preferred stock on all matters submitted to a vote of the Company’s stockholders. At December 31, 2013, the Company had no shares of preferred stock issued or outstanding.
	Common Stock
	The Company has authorized capital of 600,000 shares of $0.001 par value common stock. Holders of the common stock are entitled to one vote for each share of common stock on all matters submitted to a vote of the Company’s stockholders.
	Stock Options
	1996 Stock Incentive Program
	The 1996 Stock Incentive Program provides for the grant of incentive and non-qualified stock options to officers, outside directors and other employees of the Company or any parent or subsidiary. The plan was amended in 2002 to provide that options granted thereunder must have an exercise price per share no less than 100% of the fair market value of the share price on the grant date. Further, with respect to any participant who owns a quantity of stock representing more than 10% of the voting rights of the Company’s outstanding capital stock, the exercise price of any incentive stock option granted must equal at least 110% of the fair market value on the grant date. In 2005, the 1996 plan was further amended to extend the term of the plan to 2015 and permit the award of restricted stock, restricted stock units, stock appreciation rights, performance shares and performance units in addition to the grant of stock options. In addition, the amendment provided specific performance criteria that the plan administrator may use to establish performance objectives, a formula mechanism that provides for automatic grants to the non-employee chairman of the Board and prohibited (i) repricing any outstanding stock option or stock appreciation right after it has been granted (other than pro rata adjustments to reflect stock dividends and other corporate events) and (ii) canceling any outstanding stock option or stock appreciation right and replacing it with a new stock option or stock appreciation right with a lower exercise price, unless approved by the Company’s stockholders. The terms of each grant under the plan may not exceed ten years.
	2008 Inducement Award Plan
	The 2008 Inducement Award Plan provides for the grant of nonstatutory stock options, restricted stock, restricted stock units, stock appreciation rights and other stock or cash awards to employees, officers and directors employed by the company or any parent or subsidiary. The options granted thereunder must have an exercise price per share no less than 100% of the fair market value per share on the date of grant. The terms of each grant under the plan may not exceed ten years.
	2009 Incentive Plan
	In May 2009, the 2009 Incentive Plan was approved by the Company’s stockholders. The plan replaced the 1996 Stock Incentive Program and provides for the grant of stock options, restricted stock units, stock appreciation rights and other stock or cash awards to employees, officers, directors, consultants, agents, advisors and independent contractors of the Company and its subsidiaries and affiliates. The options granted thereunder must have an exercise price per share no less than 100% of the fair market value per share on the date of grant. The terms of each grant under the 2009 Incentive Plan may not exceed ten years.
	2012 Incentive Plan
	In May 2012, the 2012 Incentive Plan was approved by the Company’s stockholders. The plan replaces the 2009 Incentive Plan and provides for the grant of stock options, restricted stock units, stock appreciation rights and other stock or cash awards to employees, officers, directors, consultants, agents, advisors and independent contractors of the Company and its subsidiaries and affiliates. The options granted thereunder must have an exercise price per share no less than 100% of the fair market value per share on the date of grant. The terms of each grant under the 2012 Incentive Plan may not exceed ten years.
	2013 Incentive Plan
	In May 2013, the 2013 Incentive Plan was approved by the Company’s stockholders. The plan replaces the 2012 Incentive Plan and provides for the grant of stock options, restricted stock units, stock appreciation rights and other stock or cash awards to employees, officers, directors, consultants, agents, advisors and independent contractors of the Company and its subsidiaries and affiliates. The options granted thereunder must have an exercise price per share no less than 100% of the fair market value per share on the date of grant. The terms of each grant under the 2013 Incentive Plan may not exceed ten years.
	The following table presents shares authorized, available for future grant and outstanding under each of the Company’s plans at December 31, 2013:
		Authorized			Available			Outstanding
	1996 Stock Incentive Program(1)	33,693			76			9,372
	2008 Inducement Award Plan	2,200			322			1,485
	2009 Incentive Plan(1)	17,639			308			16,285
	2012 Incentive Plan(1)	5,088			327			4,676
	2013 Incentive Plan	4,933			1,634			3,295
	Total	63,553			2,667			35,113
	______________
	-1	Shares are only available for issuance under the 2013 Incentive Plan after reregistration.
	Subject to the discretion of the Board of Directors and beginning in 2006, outstanding awards granted to new employees under the Plans generally vest and become exercisable at the rate of 25% at the end of the first year, and thereafter at a rate of 6.25% per quarter until fully vested after a total of four years. Options and RSUs granted to current employees generally become exercisable at the rate of 25% per quarter during either the third or fourth year following the grant, quarterly over four years, or as approved by the Compensation Committee. All options granted to employees generally expire ten years after the grant date. Annual option grants to sitting board members generally expire five years after the grant date. Option grants to newly elected board members generally expire ten years after the grant date.
	Stock Options
	The following summarizes the Company’s stock option transactions for 2013, 2012 and 2011:
		Year ended December 31,
		2013							2012							2011
		Shares			Weighted-				Shares			Weighted-				Shares		Weighted-
					average							average						average
					exercise price							exercise price						exercise price
	Outstanding at beginning of year	33,241			$	6.56			29,547			$	6.73			28,436		$	6.03
	Granted	7,178			$	5.9			7,293			$	5.82			5,678		$	11.94
	Exercised	(4,322	)		$	4.88			(1,189	)		$	3.3			(2,738	)	$	6.43
	Forfeitures	(1,373	)		$	7.49			(2,410	)		$	8.02			(1,829	)	$	12.51
	Outstanding at end of year	34,724			$	6.59			33,241			$	6.56			29,547		$	6.73
	Exercisable at end of year	20,049			$	6.43			19,156			$	5.51			15,963		$	5.34
	The aggregate intrinsic value of options exercised during 2013, 2012 and 2011 was $11,341, $2,758 and $18,263, respectively. Fully vested outstanding options at December 31, 2013 had an aggregate intrinsic value of $49,441, based upon the Company’s closing stock price on that date of $8.34 per share. Fully vested outstanding options at December 31, 2012 had an aggregate intrinsic value of $10,766, based upon the Company’s closing stock price on that date of $4.83 per share. The aggregate intrinsic value of all outstanding options at December 31, 2013, 2012 and 2011 was $80,174, $11,176 and $13,519, respectively. The Company issues new shares of common stock upon exercise of stock options.
	The following table summarizes information concerning stock options outstanding and exercisable at December 31, 2013:
		Options Outstanding									Options Exercisable
	Range of	Number			Weighted-		Weighted-				Number			Weighted-
	Exercise Price	Outstanding			Average		Average				Exercisable			Average
		(in thousands)			Remaining		Exercise Price				(in thousands)			Exercise Price
					Contractual
					Life-Years
	$ 1.69 – $ 4.00	3,479			4.29		$	2.55			3,479			$	2.55
	$ 4.01 – $ 5.50	8,211			6.28		$	4.94			4,225			$	5.01
	$ 5.51 – $ 6.75	9,648			6.94		$	6.12			4,372			$	6.33
	$ 6.76 – $10.00	8,824			7.38		$	7.16			5,354			$	7.18
	$10.01 – $13.99	4,562			7.17		$	12.54			2,619			$	12.54
	$ 1.69 – $13.99	34,724			6.66		$	6.59			20,049			$	6.43
	The following table summarizes the average estimates the Company used in the Black-Scholes option-pricing model during 2013, 2012 and 2011, to determine the fair value of employee stock options and employee ESPP rights granted during each period:
	Stock Options	2013			2012			2011
	Risk free interest rates	0.9	%		1	%		2.2	%
	Expected life in years	5.00 years			5.00 years			4.99 years
	Expected dividend yield	—	%		—	%		—	%
	Expected volatility	64	%		63.4	%		60.2	%
	Estimated annualized forfeiture rate	5	%		5.5	%		6.8	%
	ESPP	2013			2012			2011
	Risk free interest rates	0.1	%		0.1	%		0.1	%
Expected life in years	0.50 years			0.50 years			0.50 years
Expected dividend yield	—	%		—	%		—	%
Expected volatility	49.2	%		58.5	%		57.4	%
Estimated annualized forfeiture rate	4	%		4	%		4	%
The Company determines its risk-free rate assumption based upon the U.S. Treasury yield for obligations with contractual lives similar to the expected lives of the Company’s option grants and ESPP subscription periods. The expected life represents the weighted average period the options are expected to remain outstanding, based upon historical experience. The dividend yield assumption is based on the Company’s historical and anticipated dividend distributions. The expected volatility is based upon a blend of the Company’s historical volatility of its exchange traded options and the stock price for the expected life of the award. Forfeitures are estimated based upon historical and anticipated future experience for the expected life of the award. Based upon these assumptions, the Company has estimated the per share weighted-average grant fair value of its options granted during 2013, 2012, and 2011 as follows:
	Year ended December 31,
	2013				2012				2011
Weighted-average grant fair value	$	3.16			$	3.1			$	6.27
Restricted Stock Units and Market Based Restricted Stock Units
Restricted stock units are converted into shares of Company common stock upon vesting on a one-for-one basis. The awards typically vest over four years and vesting is subject to the grantee’s continued service with the Company. The compensation expense related to the service-based RSU awards is determined using the fair market value of Company common stock on the date of the grant, and the compensation expense, reduced by estimated forfeitures, is recognized over the vesting period.
During 2013, the Company granted market based restricted stock units to certain members of executive management. The number of shares that are ultimately awarded is contingent upon the achievement of pre-determined market and service conditions. Market conditions must be met for shares to be awarded, even if the service conditions are met. Fair value of the awards is determined at the grant date based on the target number of awards ultimately expected to be awarded. Compensation expense associated with the awards is calculated based on the target number of shares ultimately expected to be awarded and is recognized on a straight line basis over the requisite service period and will not be reversed even if the market conditions are not met. The number of shares of common stock to be awarded will range from zero to 150 percent of the target number of stock units based on the Company's total stockholder return (“TSR”) relative to the performance of companies in the SPDR S&P Semiconductor Index ("SPDR") for the applicable measurement period. TSR is calculated based on market performance between the beginning and end of the award period, generally over three years. Based on the number of awards outstanding as of December 31, 2013, the maximum number of shares of common stock that could be awarded is 299 shares.
The fair value of the MSUs was determined using a Monte Carlo simulation model. The Monte Carlo simulation model is affected by assumptions regarding subjective and complex variables. Generally, the Company's assumptions are based on historical information and judgment is required to determine if historical trends may be indicators of future outcomes. Key assumptions for the Monte Carlo simulation model were as follows:
		Year ended December 31,
		2013			2012
Risk free interest rates		0.4	%		—	%
Expected dividend yield		—			—
Expected volatility		56.2	%		—	%
Correlation coefficient to SPDR		0.59			—
The following table summarizes RSU and MSU activity for 2013:
	Year ended December 31,
	2013							2012
	Stock Units			Weighted-average				Stock Units			Weighted-average
				grant date fair value							grant date fair value
Outstanding at beginning of year	—			$	—			—			$	—
Granted	390			$	7.67			—			$	—
Vested	—			$	—			—			$	—
Forfeitures	(1	)		$	7.85			—			$	—
Outstanding at end of year	389			$	7.67			—			$	—
The aggregate intrinsic value of all outstanding RSUs and MSUs at December 31, 2013 was $3,243. The weighted average contractual term of outstanding RSUs is MSUs as of December 31, 2013 was 2.35 years. There was no RSU or MSU activity prior to 2013.
Employee Stock Purchase Plan ("ESPP")
Pursuant to the ESPP, participating employees authorize the Company to withhold compensation and to use the withheld amounts to purchase shares of the Company’s common stock at a discount. Offerings under the plan allow shares to be purchased at 85% of the lower of the fair market value on the first or last day of the six month offering period. The offering period dates are the first business days of May and November of each year.
The Company issues new shares of common stock for purchases through the ESPP. Approximately 2,000 shares were initially reserved for issuance under the ESPP, subject to annual increases at the lesser of (i) 3,000 shares, (ii) 1.5% of the number of shares outstanding on the last day of the immediately preceding fiscal year or (iii) an amount determined by the board of directors. As of December 31, 2013, 3,216 shares were reserved for issuance under the ESPP. The ESPP will expire in February 2017.
During 2013, 2012 and 2011, the approximate number of shares of the Company’s common stock that was purchased under the ESPP was as follows:
	Year ended December 31,
	2013			2012			2011
Shares purchased	3,438			3,506			1,924
Stock-based compensation expense
Stock-based compensation expense recognized in 2013, 2012 and 2011 consisted of stock-based compensation expense related to unvested grants of employee stock options, RSUs, MSUs and the Company’s ESPP. The table below summarizes the stock-based compensation expense for 2013, 2012 and 2011:
	Year ended December 31,
	2013				2012				2011
Stock-based compensation expense included in cost of goods sold	$	8,548			$	9,021			$	6,918
Operating expenses:
Research, development and engineering	10,582				9,261				8,492
Selling, general and administrative	10,423				10,943				9,672
Stock-based compensation expense included in operating expenses	21,005				20,204				18,164
Total stock-based compensation expense included in income from operations	$	29,553			$	29,225			$	25,082
As of December 31, 2013, the total future compensation expense related to the current unvested stock options, RSUs, MSUs and the ESPP, net of estimated forfeitures, is expected to be approximately $36,475. This expense is expected to be recognized over a weighted average period of approximately 27 months.
Stock Repurchase Program
On May 14, 2013, the Company's Board of Directors approved a stock repurchase program authorizing the purchase, at the discretion of management, of up to $75,000 of the Company's outstanding common stock. Common stock repurchases were made in the open market at prevailing market prices. The timing of the purchases was based upon market conditions and other corporate considerations, including price, corporate and regulatory requirements and alternative investment opportunities. During 2013, the Company repurchased 7,670 shares for $51,125. Shares of common stock repurchased by the Company through the repurchase program were retired and had no impact on total shares authorized.

Employee_Benefit_Plans

Employee Benefit Plans	12 Months Ended
	Dec. 31, 2013
Compensation and Retirement Disclosure [Abstract]	'
Compensation and Employee Benefit Plans	'
	Employee Benefit Plans
	The Company has a qualified retirement plan under the provisions of Section 401(k) of the Internal Revenue Code ("401(k) Plan") covering substantially all employees in the U.S. Participants in this plan may defer up to the maximum annual amount allowable under IRS regulations. Company contributions to the 401(k) Plan were as follows:
		Year ended December 31,
		2013		2012		2011
	401(k) Plan contributions	$	5,708	$	5,214	$	4,953
	The Company offers a non-qualified deferred compensation plan (the “Compensation Plan”) to certain employees and members of the Board of Directors. Participants in the Compensation Plan are provided with the opportunity to defer a specified percentage of their cash compensation which the Company will be obligated to deliver on a future date. At the time of deferral, the Company allocates the deferred monies to a trust account that is invested at the participants’ election. The amount of compensation to be deferred by each participating employee or board member will be based on elections by each participant and adjusted for any positive or negative investment results from investment alternatives selected by the participant under the Compensation Plan. The liability for the deferred compensation and the value of the funds allocated to the trust by the Company are included in the Company's consolidated balance sheets as follows:
		December 31, 2013		December 31, 2012
	Other non-current assets, net:
	Compensation plan funds	$	6,571	$	4,591
	Other long-term liabilities:
	Deferred compensation	$	6,571	$	4,591
	The Company also has a pension obligation related to its German subsidiary that becomes payable when the covered employees reach the age of 60 or 65. The Company has elected to secure the liability through a self-paid reinsurance program. The pension plan obligation and the reinsurance program funds are included in the Company's consolidated balance sheets as follows:
		December 31, 2013		December 31, 2012
	Other non-current assets, net:
	Reinsurance program funds	$	3,899	$	3,541
	Other long-term liabilities:
	Pension obligation	$	3,786	$	4,127
	Additional disclosures have not been included due to the insignificance of the pension plan.

Investments_in_Other_Companies

Investments in Other Companies	12 Months Ended
	Dec. 31, 2013
Investments, All Other Investments [Abstract]	'
Investments in Other Companies	'
	Investments in Other Companies
	In previous years, the Company made a number of investments in small, privately held technology companies in which the Company has held less than 20% of the capital stock or held notes receivable. As a result of the sale of the Company's former optoelectronics operations, the Company received as partial consideration $4,500 of preferred stock and an unsecured promissory note from CyOptics Inc. ("CyOptics") for $5,633. In years prior to 2012, the carrying amount of the CyOptics investment was fully impaired and written down to $0. During 2012, the amount due on the promissory note was settled in full and the preferred stock was sold in exchange for an initial liquidation payment of $6,957 and an escrow holdback contingent upon certain conditions. The initial liquidation payment was received in cash in March, 2012. The final liquidation payment of $421 from the escrow holdback account was received in cash in May, 2013. Both of the liquidation transactions were recorded as a gain/recovery of investment in the statement of operations and in the operating activities section of the statement of cash flows. The cash proceeds from both of the payments were included in the investing activities section of the statement of cash flows.

Segment_Information

Segment Information	12 Months Ended
	Dec. 31, 2013
Segment Reporting [Abstract]	'
Segment Information	'
	Segment Information
	The Company follows standards established by the FASB for the reporting by public business enterprises of information about operating segments, products and services, geographic areas and major customers. The method for determining what information to report is based on the way that management organizes the segments within the Company for making operating decisions and assessing financial performance.
	As of December 31, 2013, the Company has concluded that it operates and internally manages itself as a single operating segment. In reaching this conclusion, management considered the definition of the chief operating decision maker ("CODM"), how the business is defined by the CODM, the nature of the information provided to the CODM, and how that information is used in relation to managing the business, evaluating performance and allocating resources. The Company’s chief operating decision makers are considered to be the senior management team consisting of the President and Chief Executive Officer (the “CEO”), the Chief Financial Officer (the “CFO”), and the Vice President of Worldwide Operations. Results of operations are provided and analyzed at a consolidated level. Key resources, decisions, assessment and management of performance is done at a consolidated level
	Revenue from the sales of products into the Company's primary end markets was as follows:
		Year ended December 31,
		2013				2012				2011
	Revenue:
	Mobile Devices	$	594,196			$	538,273			$	634,498
	Networks	185,884				192,654				178,378
	Defense & Aerospace	112,799				98,247				83,207
		$	892,879			$	829,174			$	896,083
	Revenue is reported in the geographic area where the sale originates. The Company’s Costa Rica facility provides manufacturing services to its U.S. operations and does not generate revenue from external parties. The functional currency for the Costa Rican operations is the U.S. dollar as most material and equipment costs are denominated in the U.S. dollar. The impact of fluctuations of the local Costa Rican currency is not considered significant and the foreign exchange rate is not hedged. Selected financial information by geographical area is summarized below:
		Year ended December 31,
		2013				2012				2011
	Revenue (origin):
	United States and other	$	500,164			$	764,267			$	896,083
	Singapore	392,715				64,907				—
	Costa Rica	32,092				27,274				31,295
	Eliminations	(32,092		)		(27,274		)		(31,295		)
		$	892,879			$	829,174			$	896,083
	(Loss) income from operations:
	United States and other	$	1,952			$	(29,761	)		$	59,026
	Singapore	(42,644		)		(7,315		)		—
	Costa Rica	3,255				4,706				3,494
	Eliminations	(3,255		)		(4,706		)		(3,494		)
		$	(40,692	)		$	(37,076	)		$	59,026
		December 31, 2013				December 31, 2012
	Property, plant and equipment, net:
	United States	$	385,891			$	418,086
	Costa Rica	17,115				22,337
	Other	17,357				8,318
		$	420,363			$	448,741
	The Company’s products are sold to customers in various countries and shipped to factories around the world. International customer revenue representing approximately 10% or more of the Company’s total revenue for each period is as follows:
		Year ended December 31,
		2013				2012				2011
	International customer revenue:
	China	$	487,561			$	374,772			$	383,488
	Hong Kong	71,314				59,148				83,294
	Other	170,585				194,082				183,222
		$	729,460			$	628,002			$	650,004
	There were no other countries from which revenue represented 10% or more of total revenue for the periods presented.
	Revenue from customers representing approximately 10% or more of total revenue for each period is as follows (as a percentage of total revenue):
		Year ended December 31,
		2013			2012			2011
	Foxconn Technology Group	33	%		31	%		35	%
	Some of the Company's mobile devices end customers use multiple subcontractors for product assembly and test and some of those subcontractors have multiple customers. Therefore, revenues from the Company's customers may not necessarily equal the business of a single mobile devices end customer.
	Related receivables from customers representing approximately 10% or more of total revenue for each period are as follows (as a percentage of total trade receivables):
		Year ended December 31,
		2013			2012			2011
	Foxconn Technology Group	57	%		34	%		39	%

Summarized_Quarterly_Data_Unau

Summarized Quarterly Data (Unaudited)	12 Months Ended
	Dec. 31, 2013
Quarterly Financial Information Disclosure [Abstract]	'
Summarized Quarterly Data (Unaudited)	'
	Summarized Quarterly Data (Unaudited)
		Year ended December 31, 2013 Quarters
		1st			2nd			3rd			4th(2)			Total
		(In thousands, except per share data)
	Revenue	$	184,209		$	190,103		$	250,836		$	267,731		$	892,879
	Gross profit	$	38,773		$	56,719		$	92,217		$	69,976		$	257,685
	Net (loss) income	$	(27,949	)	$	(14,885	)	$	13,561		$	(8,735	)	$	(38,008	)
	Net (loss) income per common share(1)
	Basic	$	(0.17	)	$	(0.09	)	$	0.09		$	(0.05	)	$	(0.24	)
	Diluted	$	(0.17	)	$	(0.09	)	$	0.08		$	(0.05	)	$	(0.24	)
		Year ended December 31, 2012 Quarters
		1st			2nd			3rd			4th			Total
		(In thousands, except per share data)
	Revenue	$	216,730		$	178,002		$	200,821		$	233,621		$	829,174
	Gross profit	$	62,589		$	44,938		$	61,613		$	68,456		$	237,596
	Net income (loss)	$	1,883		$	(13,050	)	$	(11,246	)	$	(3,756	)	$	(26,169	)
	Net income per common share(1)
	Basic	$	0.01		$	(0.08	)	$	(0.07	)	$	(0.02	)	$	(0.16	)
	Diluted	$	0.01		$	(0.08	)	$	(0.07	)	$	(0.02	)	$	(0.16	)
	______________
	-1	Earnings per share is computed individually for each of the quarters presented; therefore, the sum of the quarterly earnings per share may not necessarily equal the total for the year.
	-2	During the fourth quarter of 2013, the Company incurred restructuring, impairment and other charges related to the disposal of assets, totaling $27,120, in relation to actions taken to reduce GaAs capacity and associated costs.

Significant_Accounting_Policie1

Significant Accounting Policies (Policies)	12 Months Ended
	Dec. 31, 2013
Accounting Policies [Abstract]	'
Principles of Consolidation	'
	Principles of Consolidation
	The consolidated financial statements for the periods presented include the accounts of the Company and its wholly owned subsidiaries, including TriQuint Europe Holding Company, TriQuint TFR Inc., TriQuint, Inc., TriQuint S.R.L., TriQuint Semiconductor Texas LLC, TriQuint Sales and Design, Inc., TriQuint Semiconductor GmbH, TriQuint Asia Inc., TriQuint Asia LLC, TriQuint (Shanghai) Trading Co. Ltd., TriQuint Semiconductor Japan YK, TriQuint WJ, Inc., WJ Newco LLC, TriQuint International Pte. Ltd. Singapore and TriQuint Semiconductor Malaysia SDN BHD. The Company has no investments in which it exercises significant influence but which it does not control (20% to 50% ownership interest). All intercompany transactions and balances have been eliminated.
Management Estimates	'
	Management Estimates
	The preparation of financial statements in conformity with accounting principles generally accepted in the United States of America (“GAAP”) requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, the disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenue and expenses during the reporting period. The Company bases its estimates on historical experience and on various other assumptions that are believed to be reasonable in the circumstances. Examples of such estimates include, but are not limited to, revenue recognition, sales returns allowances, the valuation of inventory, the accounting for income taxes, impairments of investments, goodwill and long-lived assets, the accounting for precious metals reclaim, stock-based compensation, business acquisition earnout liabilities, the accounting for litigation and settlement costs and commitments and contingencies. On a regular basis, or as new information becomes available, the Company reviews its estimates to ensure the estimates appropriately reflect changes in its business. Management believes that these estimates are reasonable; however, actual results could materially differ from these estimates.
Revenue Recognition	'
	Revenue Recognition
	The Company's revenue is primarily derived from the sale of products in the mobile devices, networks infrastructure and defense & aerospace end markets. The Company also receives revenue from foundry services, non-recurring engineering fees and cost-plus contracts for research and development work, which collectively has comprised less than 10% of consolidated revenue for any period. The Company’s distribution channels include direct sales staff, manufacturers’ representatives and independent distributors. The majority of the Company’s shipments are made directly to its customers. Revenue from the sale of the Company's products is recognized when title to the products passes to the buyer. The Company's product sales include warranty provisions that provide that the products will be free of faulty workmanship or defective materials and that the products will conform to the Company's published specifications or other specifications mutually agreed upon with the customer. The Company's historical warranty claims experience, and its warranty liability, have not been material.
	Revenue from the Company’s distributors is recognized when the product is sold to the distributor and was as follows:
		Year ended December 31,
		2013		2012		2011
	Revenue from distributors	$	76,443	$	79,360	$	81,896
	The Company’s distribution agreements provide for selling prices that are fixed at the date of sale, although the Company may elect after the sale to offer price protection credits which are specific, of a fixed duration and accounted for as a reduction to revenue when offered. Further, the payment obligation is not contingent on reselling the product or further action by the Company. The distributors take title to the product and bear the risks of ownership, the distributor has economic substance and the amount of future returns can be reasonably estimated. If the Company is unable to repair or replace products returned under warranty, the Company will issue a credit for a warranty return. The Company reduces revenue and records allowances for product returns, price protection credits and stock rotation credits based on historical experience or specific identification depending on the contractual terms of the arrangement. The revenue allowances have remained approximately consistent as a percentage of revenue and the Company has visibility into the distributors' inventory levels and qualifying sales, and is, therefore, able to reasonably estimate the revenue allowances.
	The Company receives periodic reports from customers who use inventory hubs and recognizes revenue when customers acknowledge they have pulled inventory from its hub, the point at which title to the product passes to the customer.
	Revenue from foundry services and non-recurring engineering fees is recorded when the service is completed. Revenue from cost-plus contracts is recognized as costs are incurred.
	The Company recognizes amounts billed to a customer in a sale transaction related to shipping and handling as revenue. The costs incurred by the Company for shipping and handling are classified as costs of goods sold.
Cash Equivalents	'
	Cash Equivalents
	The Company considers all highly liquid debt and other instruments purchased with an original maturity of three months or less to be cash equivalents. These investments include money market funds.
Marketable Securities and Other Investments	'
	Marketable Securities and Other Investments
	The Company determines the appropriate classification of its investments at the time of acquisition and reevaluates such determination at each balance sheet date. The Company’s investment policy sets minimum credit quality criteria and maximum maturity limits on its investments to provide for safety of principal, liquidity and a reasonable rate of return. Investments for which maturity from the balance sheet date is greater than one year are classified as long-term investments in marketable securities. Available-for-sale securities are recorded at fair value, based on current market valuations. Unrealized holding gains and losses, net of the related tax effect, on available-for-sale securities are excluded from earnings and are reported as a separate component of other comprehensive income until realized. Realized gains and losses are included in earnings in the period in which they are realized and are derived using the specific identification method for determining the cost of the securities sold.
Trade Accounts Receivable	'
	Trade Accounts Receivable
	Trade accounts receivable are recorded at the invoiced amount and do not bear interest. The Company establishes an allowance for the trade accounts receivable which represents the Company’s best estimate of the amount of probable credit losses in the Company’s existing accounts receivable. The Company determines the allowance by performing ongoing evaluations of its customers and their ability to make payments.
	The Company determines the adequacy of the allowance based on length of time past due, historical experience and judgment of economic conditions. Additionally, the Company has a credit policy that is applied to potential customers. Account balances are charged off against the allowance after all means of collection have been exhausted and the potential for recovery is considered remote. The Company does not have any off-balance sheet credit exposure related to its customers.
Precious Metals Reclaim	'
	Precious Metals Reclaim
	The Company uses historical experience to estimate the amount of reclaim on precious metals used in manufacturing at the end of each period and states the reclaim value at the lower of average cost or market. The estimated value to be received from precious metal reclaim is included in other current assets.
Inventories	'
	Inventories
	The Company states inventories at the lower of cost or market. The Company uses a standard cost methodology to determine the cost basis for inventories. This methodology approximates actual cost on a first-in, first-out basis. In addition to stating inventory at the lower of cost or market, the Company also evaluates inventory each period for excess quantities and obsolescence. This evaluation, based on historical experience and the Company’s judgment of economic conditions, includes identifying those parts specifically identified as obsolete and writing them down, analyzing historical usage as well as forecasted demand versus quantities on hand and writing down the excess, and identifying and recording other specific write-downs.
Property, Plant & Equipment	'
	Property, Plant & Equipment
	Property, plant and equipment is recorded at cost. Rent expense for operating leases is recorded on a straight-line basis over the lease term. If a lease contains an escalation clause, the difference between rent expense and rent paid is recorded as deferred rent and is included in accrued liabilities on the consolidated balance sheets.
	Depreciation is recorded using the straight-line method over the estimated useful lives of the assets, which are generally as follows: 3 to 7 years for machinery and equipment, furniture and fixtures and computer equipment and software; 5 to 20 years for building improvements; and 39 years for buildings. Leasehold improvements are amortized over the shorter of the estimated life of the asset or the term of the related lease, generally 3 to 10 years. Asset lives are reviewed periodically to determine if they are appropriate and adjustments are made as necessary. Depreciation begins at the time assets are placed in service. Maintenance and repairs are expensed as incurred.
Goodwill and Other Intangible Assets	'
	Goodwill and Other Intangible Assets
	Goodwill represents the excess of cost over fair value of the net assets of businesses acquired. Other intangible assets consist primarily of patents, developed technology, customer relationships, in-process research and development, and other intangibles with estimable useful lives, ranging from 3 to 15 years at the time of acquisition. Goodwill and intangible assets acquired in a purchase business combination and determined to have indefinite useful lives are not amortized, but instead reviewed at least annually for impairment. In-process research and development ("IPR&D") is amortized or impaired upon completion or abandonment of specific projects. Intangible assets with estimable useful lives are amortized over their respective estimated useful lives.
	The Company is required to perform an impairment analysis on its goodwill at least annually, or when events and circumstances warrant. Conditions that would trigger an impairment assessment, include, but are not limited to, a significant adverse change in legal factors or in the business climate that could affect the value of an asset or an adverse action or assessment by a regulator. The Company is considered one reporting unit. When the Company performed this test in 2013, the Company elected to use the two-step goodwill impairment test. As a result, to determine whether goodwill may be impaired, the Company compares its book value to its market capitalization. If the trading price of the Company’s common stock, as adjusted for factors such as a control premium, is below the book value per share at the date of the annual impairment test or if the average trading price of the Company’s common stock is below book value per share for a sustained period, a goodwill impairment test will be performed by comparing book value to estimated market value. If the comparison of book value to estimated market value indicates impairment, then the Company compares the implied fair value of goodwill to its carrying amount in a manner similar to a purchase price allocation for a business combination. If the carrying amount of goodwill exceeds its implied fair value, an impairment loss is recognized equal to that excess. The Company performs this test in the fourth quarter of each year, unless indicators warrant testing at an earlier date.
Research and Development Costs	'
	Research and Development Costs
	The Company expenses research and development costs associated with the development of new products and processes when incurred. Engineering and design costs related to revenue on nonrecurring engineering services billed to customers are classified as cost of goods sold.
Advertising Costs	'
	Advertising Costs
	The Company expenses advertising costs as incurred. For 2013, 2012 and 2011, advertising costs were immaterial.
Comprehensive (Loss) Income	'
	Comprehensive (Loss) Income
	The Company reports all changes in equity that result from transactions and economic events other than transactions with owners in comprehensive (loss) income . The components of comprehensive (loss) income include unrealized holding gains and losses on available-for-sale investments and unrealized gains and losses on pension obligations which are included as a separate component of stockholders’ equity until realized.
Net (Loss) Income Per Share	'
	Net (Loss) Income Per Share
	Basic net (loss) income per share is calculated by dividing the net (loss) income for the period by the weighted-average number of common shares outstanding during the period. Diluted net loss per share is net loss applicable to common stockholders divided by the weighted-average number of common shares outstanding. Diluted net income per share is similar to basic net income per share, except that the denominator includes potential common shares that, had they been issued, would have had a dilutive effect (“dilutive securities”). Dilutive securities include options granted pursuant to the Company’s stock option plans and potential shares related to the Company’s Employee Stock Purchase Plan ("ESPP"). A reconciliation of the numerators and denominators of the basic and diluted net (loss) income per share calculations for 2013, 2012 and 2011 is presented in Note 6.
Income Taxes	'
	Income Taxes
	The Company is subject to taxation from federal, state and international jurisdictions. A significant amount of judgment is involved in preparing the provision for income taxes and the calculation of resulting deferred tax assets and liabilities.
	The Company follows the asset and liability method of accounting for income taxes. Under this method, deferred tax assets and liabilities are recognized for the expected future tax consequences of temporary differences between tax and financial reporting. Deferred tax assets and liabilities are measured using the currently enacted tax rates that apply to taxable income in effect for the years in which those tax assets are expected to be realized or settled. The Company uses the with-and-without approach, disregarding indirect tax impacts, for determining the period in which tax benefits for excess share-based deductions are recognized. Net operating losses from prior years reduced federal and state income tax obligations such that the Company did not have significant income taxes payable at December 31, 2013 or December 31, 2012.
	The Company records a valuation allowance to reduce deferred tax assets to the amount that is believed more-likely-than-not to be realized in future tax returns. Significant management judgment is required in determining any valuation allowances that might be required against the deferred tax assets. Accounting Standards Codification ("ASC") 740 clarifies the accounting for uncertainty in income taxes recognized in an enterprise's financial statements in accordance with GAAP. ASC 740 prescribes a recognition threshold and measurement attribute for the financial statement recognition and measurement of a tax position taken or expected to be taken in a tax return. This statement also provides guidance on derecognition, classification, interest and penalties, accounting in the interim periods and disclosure.
	The calculation of the Company's tax liabilities is subject to legal and factual interpretation, judgment and uncertainty in a multitude of jurisdictions and includes addressing uncertainties in the application of complex tax regulations. The Company recognizes liabilities for uncertain tax positions in the U.S. and other tax jurisdictions based on recognition and measurement criteria prescribed by ASC 740. The liabilities are periodically reviewed for their adequacy and appropriateness. Changes to the Company's assumptions could cause the Company to find a revision of estimates appropriate. Such a change in measurement would result in the recognition of a tax benefit or an additional charge to the tax provision.
	Tax laws and regulations themselves are subject to change as a result of changes in fiscal policy, changes in legislation, the evolution of regulations, and court rulings. The Company recognizes potential liabilities for anticipated tax audit issues in the U.S. and other tax jurisdictions based on the Company's estimate of whether, and the extent to which, additional taxes and interest will be due. The Company records an amount as an estimate of probable additional income tax liability based on the largest amount that the Company determines is more likely than not, based upon the technical merits of the position, to be sustained upon audit by the relevant tax authority.
	The Company's unrecognized tax benefits ("UTB") are recorded as a reduction to deferred tax assets when said UTBs relate to jurisdictions and tax years wherein a tax loss or credit is available. All remaining UTBs are recorded as a liability in the consolidated balance sheets. This treatment is consistent with the manner described in the recent Accounting Standards Update No. 2013-11. To the extent interest and penalties would be assessed by taxing authorities of any underpayment of income taxes, such amounts are accrued and classified as a component of income tax expense on the consolidated statement of operations. Realization of the UTBs results in a favorable impact to the effective tax rate. See Note 9 for additional information about the Company's income taxes.
	As of December 31, 2013, the Company was not under audit by any income tax authorities. Tax periods within the statutory period of limitations not previously audited are potentially open for examination by the tax authorities. Potential liabilities associated with these years will be resolved when an event occurs to warrant closure, primarily through the completion of audits by the tax jurisdictions and/or the expiration of the statutes of limitation. To the extent audits or other events result in a material adjustment to the accrued estimates, the effect would be recognized during the period of the event. The Company believes that an appropriate estimated liability has been established for potential exposures.
Impairmentments of Long-lived Assets	'
	Impairments of Long-lived Assets
	Long-lived assets, such as property, plant, and equipment, and purchased intangibles subject to amortization, are reviewed for impairment whenever events or changes in circumstances indicate that the carrying amount of an asset group may not be recoverable. Recoverability of assets to be held and used is measured by a comparison of the carrying amount of an asset to estimated undiscounted future cash flows expected to be generated by the asset. If the carrying amount of an asset group exceeds its estimated future undiscounted cash flows, an impairment charge is recognized in the amount by which the carrying amount of the asset exceeds the fair value of the asset. Depending on the asset, fair value is determined by reference to market prices or through discounted cash flow analysis. Assets to be disposed of are separately presented in the consolidated balance sheets and reported at the lower of the carrying amount or fair value less costs to sell, and are no longer depreciated.
	During the fourth quarter of 2013, the Company recorded impairment charges of $22,450 associated with management's plans to dispose of assets in connection with a reduction of GaAs capacity. The fair value of the impacted assets was determine using available market prices. The Company did not record an impairment charge on its long-lived assets for either of the years ended December 31, 2012 or 2011.
Stock-Based Compensation	'
	Stock-Based Compensation
	The Company has stock-based employee compensation plans, which are described in Note 12. The Company records compensation expense for all stock-based payment awards made to employees and directors. Compensation expense for the Company’s stock-based payments, which includes employee stock options, restricted stock units ("RSUs"), market based restricted stock units ("MSUs") and the ESPP, is based on estimated fair values at the time of the grant or subscription period, respectively.
	The Company estimates the fair value of option awards on the date of grant using the Black-Scholes option pricing model which requires a number of assumptions, including the expected lives of stock options, the volatility of the public market price for the Company’s common stock and interest rates. The determination of fair value of RSU awards is based on the value of the Company's stock on the date of grant. The fair value of MSU awards is determined using a Monte Carlo simulation model which is affected by assumptions regarding subjective and complex variables determined at the grant date based on the target number of awards ultimately expected to be awarded.
	Stock-based compensation expense recognized during the period is based on the value of the portion of stock-based payment awards that are ultimately expected to vest. Stock-based compensation expense recognized during the years ended December 31, 2013, 2012 and 2011 included compensation expense for stock-based payment awards granted from 2007 through the current year. The compensation expense for these grants was based on the grant date estimated fair value. Compensation expense for all stock-based payment awards is recognized using the straight-line method over the vesting term of the award. As stock-based compensation expense recognized during 2013, 2012 and 2011 was based on awards ultimately expected to vest, the gross expense has been reduced for estimated forfeitures.
	The Company determines its risk-free rate assumption based upon the U.S. Treasury yield for obligations with contractual lives similar to the expected lives of the Company’s option grants and ESPP subscription periods. The expected life represents the weighted average period the options are expected to remain outstanding, based upon historical experience. The dividend yield assumption is based on the Company’s historical and anticipated dividend distributions. The expected volatility is based upon a blend of the Company’s historical volatility of its exchange traded options and the stock price for the expected life of the award. Forfeitures are estimated based upon historical and anticipated future experience for the expected life of the award.
	Restricted Stock Units and Market Based Restricted Stock Units
	Restricted stock units are converted into shares of Company common stock upon vesting on a one-for-one basis. The awards typically vest over four years and vesting is subject to the grantee’s continued service with the Company. The compensation expense related to the service-based RSU awards is determined using the fair market value of Company common stock on the date of the grant, and the compensation expense, reduced by estimated forfeitures, is recognized over the vesting period.
	During 2013, the Company granted market based restricted stock units to certain members of executive management. The number of shares that are ultimately awarded is contingent upon the achievement of pre-determined market and service conditions. Market conditions must be met for shares to be awarded, even if the service conditions are met. Fair value of the awards is determined at the grant date based on the target number of awards ultimately expected to be awarded. Compensation expense associated with the awards is calculated based on the target number of shares ultimately expected to be awarded and is recognized on a straight line basis over the requisite service period and will not be reversed even if the market conditions are not met. The number of shares of common stock to be awarded will range from zero to 150 percent of the target number of stock units based on the Company's total stockholder return (“TSR”) relative to the performance of companies in the SPDR S&P Semiconductor Index ("SPDR") for the applicable measurement period. TSR is calculated based on market performance between the beginning and end of the award period, generally over three years.
Comparability of Prior Year Financial Data	'
	Reclassifications
	Certain immaterial reclassifications have been made to disclosures of prior year intangible assets in Note 7 and other current assets in Note 4 to conform with the current year presentation.
Fair Value of Financial Instruments	'
	The Company’s financial instruments consist of cash equivalents, trade receivables, investments and payables. The financial instruments listed in the tables below are measured at fair value and the remaining financial instruments have carrying values that approximate their fair values. The Company accounts for its assets utilizing a hierarchy of valuation techniques based on whether the inputs to those valuation techniques are observable or unobservable. Observable inputs reflect market data obtained from independent sources, while unobservable inputs reflect the Company’s market assumptions. These two types of inputs have created the following fair-value hierarchy:
	•	Level 1—Quoted prices for identical instruments in active markets;
	•	Level 2—Quoted prices for similar instruments in active markets, quoted prices for identical or similar instruments in markets that are not active, and model-derived valuations in which all significant inputs and significant value drivers are observable in active markets; and
	•	Level 3—Valuations derived from valuation techniques in which one or more significant inputs or significant value drivers are unobservable.
Marketable Securities, Available-for-sale Securities	'
	all cash equivalents are classified as available-for-sale and have maturity dates of less than 90 days. All unrealized gains and losses on available-for-sale investments are included in other comprehensive income.
Goodwill and Intangible Assets, Goodwill	'
	The Company performs its annual goodwill impairment test in the fourth quarter of each year, unless indicators warrant testing at an earlier date.
Amortization of Loan Fees	'
	The initial fees associated with the Agreement were capitalized and are being amortized to interest expense using the straight-line method over the remaining term to maturity.

Significant_Accounting_Policie2

Significant Accounting Policies Significant Accounting Policies (Tables)	12 Months Ended
	Dec. 31, 2013
Accounting Policies [Abstract]	'
Schedule of Distribution Revenue	'
	Revenue from the Company’s distributors is recognized when the product is sold to the distributor and was as follows:
		Year ended December 31,
		2013		2012		2011
	Revenue from distributors	$	76,443	$	79,360	$	81,896
Schedule of Cash Equivalents	'
	Company’s cash equivalents were as follows:
		December 31, 2013		December 31, 2012
	Cash equivalents	$	25,904	$	53,549
Schedule of Property, Plant and Equipment	'
	The Company incurred depreciation expense as follows:
		Year Ended December 31,
		2013		2012		2011
	Depreciation expense	$	99,759	$	90,046	$	59,919

Fair_Value_of_Financial_Instru1

Fair Value of Financial Instruments (Tables)	12 Months Ended
	Dec. 31, 2013
Fair Value Disclosures [Abstract]	'
Schedule Of Fair Value Assets And Liabilities Measured On Recurring Basis Table	'
	Assets and liabilities measured and recorded at fair value on a recurring basis at December 31, 2013 were as follows:
		Carrying			Total		Cash		Level 1		Level 2		Level 3
		Amount			Fair Value
	Measured on a recurring basis:
	Assets:
	Cash	$	53,122		$	53,122	$	53,122	$	—	$	—	$	—
	Cash equivalents	25,904			25,904		—		25,904		—		—
	Non-Qualified Deferred Compensation Plan Funds	6,571			6,571		—		6,571		—		—
	Total	$	85,597		$	85,597	$	53,122	$	32,475	$	—	$	—
	Liabilities:
	Earnout and milestone payment liability	$	2,426		$	2,426	$	—	$	—	$	—	$	2,426
	Non-Qualified Deferred Compensation Plan	6,571			6,571		—		6,571		—		—
	Total	$	8,997		$	8,997	$	—	$	6,571	$	—	$	2,426
	Assets and liabilities measured and recorded at fair value on a recurring basis at December 31, 2012 were as follows:
		Carrying			Total		Cash		Level 1		Level 2		Level 3
		Amount			Fair Value
	Measured on a recurring basis:
	Assets:
	Cash	$	63,104		$	63,104	$	63,104	$	—	$	—	$	—
	Cash equivalents	53,549			53,549		—		53,549		—		—
	Short-term—marketable securities	22,305			22,305		—		4,510		17,795		—
	Non-Qualified Deferred Compensation Plan funds	4,591			4,591		—		4,591		—		—
	Total	$	143,549		$	143,549	$	63,104	$	62,650	$	17,795	$	—
	Liabilities:
	Earnout payment liability	$	5,457		$	5,457	$	—	$	—	$	—	$	5,457
	Non-Qualified Deferred Compensation Plan	4,591			4,591		—		4,591		—		—
	Total	$	10,048		$	10,048	$	—	$	4,591	$	—	$	5,457
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation	'
	Ending earnout payment liability December 31, 2011	$	890
	Accretion	128
	Change in estimate	(916		)
	Additions	5,355
	Ending earnout payment liability December 31, 2012	$	5,457
	Accretion	1,643
	Change in estimate	(3,511		)
	Payments	(1,163		)
	Ending earnout payment liability December 31, 2013	$	2,426

Selected_Financial_Statement_I1

Selected Financial Statement Information (Tables)	12 Months Ended
	Dec. 31, 2013
Selected Financial Statement Information [Abstract]	'
Selected Financial Statement Information	'
		December 31, 2013				December 31, 2012
	Accounts receivable, net:
	Trade accounts receivable	$	177,134			$	132,782
	Allowance for doubtful accounts	(20		)		(53		)
		$	177,114			$	132,729
	Inventories:
	Raw materials	$	28,502			$	26,798
	Work-in-process	82,141				72,393
	Finished goods	48,845				39,055
		$	159,488			$	138,246
	Other current assets:
	Precious metals reclaim	$	25,742			$	39,472
	Other	14,218				8,910
		$	39,960			$	48,382
	Property, plant and equipment, net:
	Land	$	19,699			$	19,691
	Buildings	95,090				94,766
	Building and leasehold improvements	33,341				31,012
	Machinery and equipment	734,912				664,737
	Furniture and fixtures	7,042				6,915
	Computer equipment and software	50,226				46,930
	Assets in process	32,091				59,561
	Total property, plant and equipment, gross	972,401				923,612
	Accumulated depreciation	(552,038		)		(474,871		)
	Total property, plant and equipment, net	$	420,363			$	448,741
	Accrued payroll:
	Accrued payroll and taxes	$	16,746			$	13,670
	Accrued paid time off and sabbatical	16,593				14,979
	Accrued management incentive program	4,303				2,437
	Self-insurance liability	2,101				2,168
		$	39,743			$	33,254
Valuation and Qualifying Accounts [Abstract]	'
Rollforward of accounts receivable reserves	'
		Year ended December 31,
		2013			2012			2011
	Opening balance	53			46			76
	Reserve adjustments	(33	)		7			20
	Write-offs	—			—			(50	)
	Ending balance	20			53			46

Investments_in_Marketable_Secu1

Investments in Marketable Securities (Tables)	12 Months Ended
	Dec. 31, 2013
Investments, Debt and Equity Securities [Abstract]	'
Available-for-sale Securities	'
	The cost, net unrealized holding gains, net unrealized holding losses and fair value of available-for-sale investments by types and classes of security at December 31, 2013 consisted of the following:
	At December 31, 2013	Cost		Net		Net			Fair
				unrealized		unrealized			Value
				holding gains		holding losses
	Available-for-sale - included in cash equivalents:
	Money market funds and other	25,904		—		—			25,904
		$	25,904	$	—	$	—		$	25,904
	The cost, net unrealized holding gains, net unrealized holding losses and fair value of available-for-sale investments by types and classes of security at December 31, 2012 consisted of the following:
	At December 31, 2012	Cost		Net		Net			Fair
				unrealized		unrealized			Value
				holding gains		holding losses
	Available-for-sale - included in cash equivalents:
	Money market funds and other	53,549		—		—			53,549
	Available-for-sale - included in short-term marketable securities:
	Municipal notes	4,510		—		—			4,510
	U.S. treasury securities	1,065		—		—			1,065
	U.S. government-sponsored enterprise securities	14,933		—		(3		)	14,930
	Corporate debt securities	1,800		—		—			1,800
		$	75,857	$	—	$	(3	)	$	75,854

Net_Income_Per_Share_Tables

Net Income Per Share (Tables)	12 Months Ended
	Dec. 31, 2013
Earnings Per Share [Abstract]	'
Schedule of Earnings Per Share Reconciliation Table	'
	The following summarizes the elements included in the calculation of basic and diluted net (loss) income per share for 2013, 2012 and 2011:
		Year ended December 31,
		2013			2012			2011
	Net (loss) income	$	(38,008	)	$	(26,169	)	$	48,150
	Weighted average shares outstanding—Basic	159,349			164,366			164,256
	Dilutive securities	—			—			8,254
	Weighted average shares outstanding—Dilutive	159,349			164,366			172,510
	Net (loss) income per common share:
	Basic	$	(0.24	)	$	(0.16	)	$	0.29
	Diluted	$	(0.24	)	$	(0.16	)	$	0.28

Goodwill_and_Other_Acquisition1

Goodwill and Other Acquisition-Related Intangible Assets (Tables)	12 Months Ended
	Dec. 31, 2013
Goodwill and Intangible Assets Disclosure [Abstract]	'
Schedule of Intangible Assets and Goodwill	'
	Information regarding the Company’s other acquisition-related intangible assets is as follows:
				December 31, 2013												December 31, 2012
		Weighted Average Remaining Useful Life (years)		Gross				Accumulated				Net Book			Weighted Average Remaining Useful Life (years)	Gross				Accumulated				Net Book
								Amortization				Value								Amortization				Value
	Goodwill			$	13,519			$	—			$	13,519			$	4,391			$	—			$	4,391
	Amortizing intangible assets:
	Developed Technology and other	8		47,020				(31,679		)		15,341			5.4	42,020				(26,492		)		15,528
	Patents and Trademarks	10.1		3,623				(1,805		)		1,818			9.5	3,023				(1,642		)		1,381
	Customer Relationships	5.6		13,979				(8,478		)		5,501			5	12,479				(7,075		)		5,404
				64,622				(41,962		)		22,660				57,522				(35,209		)		22,313
	Non-amortizing intangible assets:
	In-process research and development			850				—				850				850				—				850
	Total intangible assets			65,472				(41,962		)		23,510				58,372				(35,209		)		23,163
	Total goodwill and intangible assets			$	78,991			$	(41,962	)		$	37,029			$	62,763			$	(35,209	)		$	27,554
Schedule of Intangible Asset Amortization	'
	Amortization expense of intangible assets was approximately as follows:
		Year ended December 31,
		2013				2012				2011
	Amortization expense	$	6,753			$	6,509			$	6,103
Schedule of Changes In Gross Goodwill And Intangibles	'
	The changes in the gross carrying amount of goodwill and intangible assets are as follows:
			Goodwill and Intangible Assets
			Goodwill				In process research and development				Developed Technology and other			Patents and Trademarks				Customer Relationships				Total
	Balance as of December 31, 2011		$	3,376			$	929			$	35,671		$	3,023			$	11,809			$	54,808
	Additions		1,015				850				6,349			—				670				8,884
	Deductions		—				(929		)		—			—				—				(929		)
	Balance as of December 31, 2012		$	4,391			$	850			$	42,020		$	3,023			$	12,479			$	62,763
	Additions		9,128				—				5,000			600				1,500				16,228
	Balance as of December 31, 2013		$	13,519			$	850			$	47,020		$	3,623			$	13,979			$	78,991
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense	'
	Amortization expense related to intangible assets at December 31, 2013 in each of the next five fiscal years and beyond is expected to be as follows:
	2014	$	5,843
	2015	3,875
	2016	2,521
	2017	2,282
	2018	1,418
	Thereafter	6,721
		$	22,660

Income_Taxes_Tables

Income Taxes (Tables)	12 Months Ended
	Dec. 31, 2013
Income Tax Disclosure [Abstract]	'
Schedule of Income before Income Tax, Domestic and Foreign	'
	Domestic and foreign pre-tax (loss) income for 2013, 2012 and 2011 were as follows:
		Year ended December 31,
		2013				2012				2011
	Domestic	$	(5,754	)		$	(29,483	)		$	55,537
	Foreign	(39,312		)		(2,391		)		3,435
		$	(45,066	)		$	(31,874	)		$	58,972
Schedule of Components of Income Tax Expense (Benefit)	'
	Income tax (benefit) expense for 2013, 2012 and 2011 consisted of the following:
		Year ended December 31,
		2013				2012				2011
	Current:
	Federal	$	(2,529	)		$	1,050			$	(7,138	)
	State	174				280				3,082
	Foreign	1,307				1,652				278
		(1,048		)		2,982				(3,778		)
	Deferred:
	Federal	(3,907		)		(12,625		)		13,974
	State	(1,757		)		4,158				219
	Foreign	(346		)		(220		)		407
		(6,010		)		(8,687		)		14,600
	Net income tax (benefit) expense	$	(7,058	)		$	(5,705	)		$	10,822
Schedule of Effective Income Tax Rate Reconciliation	'
	A reconciliation of income tax (benefit) expense as computed at the U.S. federal statutory income tax rate to the provision for income tax (benefit) expense for 2013, 2012 and 2011 is as follows:
		Year ended December 31,
		2013			2012			2011
	Tax (benefit) expense at U.S. statutory rate	(35.0	)%		(35.0	)%		35	%
	State income tax, net of federal effect	0.3			—			1
	Change in valuation allowance	4.7			9.4			0.2
	Foreign income tax	(1.3	)		0.2			(0.5	)
	Foreign subsidiary tax holiday and rate differential	28.5			2.4			(2.0	)
	Stock-based compensation	2.4			6.1			2.6
	Increase (reduction) of uncertain tax position liability	7.3			1.7			(11.2	)
	Tax credits	(22.6	)		(1.4	)		(14.8	)
	State apportionment adjustment	(0.3	)		(0.5	)		7.7
	Other, net	0.3			(0.8	)		0.4
	Effective tax rate	(15.7	)%		(17.9	)%		18.4	%
Schedule of Deferred Tax Assets and Liabilities	'
	These temporary differences as of December 31, 2013 and 2012 were as follows:
		December 31, 2013				December 31, 2012
	Deferred tax assets:
	Capital research and development expenditures	$	2,867			$	4,790
	Accrued liabilities	9,957				6,794
	Impairment of investment in other companies	4,112				3,890
	Inventory	5,688				7,443
	Net operating loss carryforwards	23,336				33,029
	Research and development, and other credits	30,134				19,411
	Stock-based compensation	26,187				21,236
	Other	13,280				12,544
	Gross deferred tax assets	115,561				109,137
	Valuation allowance	(16,639		)		(14,518		)
	Total deferred tax assets	98,922				94,619
	Deferred tax liabilities:
	Fixed assets	(24,581		)		(24,904		)
	Total deferred tax liabilities	(24,581		)		(24,904		)
	Total deferred tax assets, net	$	74,341			$	69,715
Schedule of Unrecognized Tax Benefits	'
	A reconciliation of the beginning and ending amount of gross unrecognized tax benefits for 2013 and 2012, which includes amounts recorded in income taxes payable as well as amounts offsetting the Company's deferred tax assets, is as follows:
	Balance December 31, 2011	$	10,381
	Reductions	(3,285		)
	Additions	2,793
	Balance December 31, 2012	$	9,889
	Reductions	(418		)
	Additions	4,533
	Balance December 31, 2013	$	14,004

Commitments_and_Contingencies_

Commitments and Contingencies (Tables)	12 Months Ended
	Dec. 31, 2013
Commitments and Contingencies Disclosure [Abstract]	'
Schedule of Future Minimum Rental Payments for Operating Leases	'
	Commitments for minimum lease payments under non-cancelable leases as of December 31, 2013 were as follows:
	2014	$	4,007
	2015	3,455
	2016	3,103
	2017	2,547
	2018	2,253
	Thereafter	3,602
		$	18,967
Schedule of Rent Expense	'
	Rent expense under cancelable and non-cancelable operating leases for 2013, 2012 and 2011 was as follows:
		Year ended December 31,
		2013		2012		2011
	Rent expense	$	4,140	$	4,088	$	3,556

Stock_Stock_Options_and_Rights1

Stock, Stock Options and Rights (Tables)	12 Months Ended
	Dec. 31, 2013
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]	'
Schedule of Share-based Compensation Award Available for Grant	'
	The following table presents shares authorized, available for future grant and outstanding under each of the Company’s plans at December 31, 2013:
		Authorized		Available			Outstanding
	1996 Stock Incentive Program(1)	33,693		76			9,372
	2008 Inducement Award Plan	2,200		322			1,485
	2009 Incentive Plan(1)	17,639		308			16,285
	2012 Incentive Plan(1)	5,088		327			4,676
	2013 Incentive Plan	4,933		1,634			3,295
	Total	63,553		2,667			35,113
	______________
	-1	Shares are only available for issuance under the 2013 Incentive Plan after reregistration.
Stock-Based Compensation by Payment Award	'
	The following summarizes the Company’s stock option transactions for 2013, 2012 and 2011:
		Year ended December 31,
		2013						2012							2011
		Shares		Weighted-				Shares			Weighted-				Shares		Weighted-
				average							average						average
				exercise price							exercise price						exercise price
	Outstanding at beginning of year	33,241		$	6.56			29,547			$	6.73			28,436		$	6.03
	Granted	7,178		$	5.9			7,293			$	5.82			5,678		$	11.94
	Exercised	(4,322	)	$	4.88			(1,189	)		$	3.3			(2,738	)	$	6.43
	Forfeitures	(1,373	)	$	7.49			(2,410	)		$	8.02			(1,829	)	$	12.51
	Outstanding at end of year	34,724		$	6.59			33,241			$	6.56			29,547		$	6.73
	Exercisable at end of year	20,049		$	6.43			19,156			$	5.51			15,963		$	5.34
Stock-Based Compensation Exercise Price Range	'
	The following table summarizes information concerning stock options outstanding and exercisable at December 31, 2013:
		Options Outstanding								Options Exercisable
	Range of	Number		Weighted-		Weighted-				Number			Weighted-
	Exercise Price	Outstanding		Average		Average				Exercisable			Average
		(in thousands)		Remaining		Exercise Price				(in thousands)			Exercise Price
				Contractual
				Life-Years
	$ 1.69 – $ 4.00	3,479		4.29		$	2.55			3,479			$	2.55
	$ 4.01 – $ 5.50	8,211		6.28		$	4.94			4,225			$	5.01
	$ 5.51 – $ 6.75	9,648		6.94		$	6.12			4,372			$	6.33
	$ 6.76 – $10.00	8,824		7.38		$	7.16			5,354			$	7.18
	$10.01 – $13.99	4,562		7.17		$	12.54			2,619			$	12.54
	$ 1.69 – $13.99	34,724		6.66		$	6.59			20,049			$	6.43
Stock Options and Employee Stock Purchase Plan, Valuation Assumptions	'
	The following table summarizes the average estimates the Company used in the Black-Scholes option-pricing model during 2013, 2012 and 2011, to determine the fair value of employee stock options and employee ESPP rights granted during each period:
	Stock Options	2013		2012			2011
	Risk free interest rates	0.9	%	1	%		2.2	%
	Expected life in years	5.00 years		5.00 years			4.99 years
	Expected dividend yield	—	%	—	%		—	%
	Expected volatility	64	%	63.4	%		60.2	%
	Estimated annualized forfeiture rate	5	%	5.5	%		6.8	%
	ESPP	2013		2012			2011
	Risk free interest rates	0.1	%	0.1	%		0.1	%
	Expected life in years	0.50 years		0.50 years			0.50 years
	Expected dividend yield	—	%	—	%		—	%
	Expected volatility	49.2	%	58.5	%		57.4	%
	Estimated annualized forfeiture rate	4	%	4	%		4	%
Options, Grants in Period, Weighted Average Grant Date Fair Value	'
	Based upon these assumptions, the Company has estimated the per share weighted-average grant fair value of its options granted during 2013, 2012, and 2011 as follows:
		Year ended December 31,
		2013			2012				2011
	Weighted-average grant fair value	$	3.16		$	3.1			$	6.27
Schedule of Stock-Based Compensation	'
	The table below summarizes the stock-based compensation expense for 2013, 2012 and 2011:
		Year ended December 31,
		2013			2012				2011
	Stock-based compensation expense included in cost of goods sold	$	8,548		$	9,021			$	6,918
	Operating expenses:
	Research, development and engineering	10,582			9,261				8,492
	Selling, general and administrative	10,423			10,943				9,672
	Stock-based compensation expense included in operating expenses	21,005			20,204				18,164
	Total stock-based compensation expense included in income from operations	$	29,553		$	29,225			$	25,082
Schedule of Employee Stock Purchase Plan Activity	'
	During 2013, 2012 and 2011, the approximate number of shares of the Company’s common stock that was purchased under the ESPP was as follows:
		Year ended December 31,
		2013		2012			2011
	Shares purchased	3,438		3,506			1,924

Stock_Stock_Options_and_Rights2

Stock, Stock Options and Rights Stock-Based Compensation - Restricted Stock Units and Market-Based Restricted Stock Units (Tables)	12 Months Ended
	Dec. 31, 2013					Dec. 31, 2013								Sep. 28, 2013
						Restricted Stock Units and Market-based Restricted Stock Units [Member]								Performance Shares [Member]
														Maximum [Member]
Schedule of Share-based Compensation, Restricted Stock Units and Market Based Restricted Stock Units, Activity [Line Items]	'					'								'
Schedule of assumptions used in monte-carlo simulation model [Table Text Block]	'					'								'
	Key assumptions for the Monte Carlo simulation model were as follows:
		Year ended December 31,
		2013		2012
	Risk free interest rates	0.4	%	—	%
	Expected dividend yield	—		—
	Expected volatility	56.2	%	—	%
	Correlation coefficient to SPDR	0.59		—
Schedule of Share-based Compensation, Market-based Restricted Stock Units, Activity [Table Text Block]	'					'								'
						The following table summarizes RSU and MSU activity for 2013:
							Year ended December 31,
							2013				2012
							Stock Units		Weighted-average		Stock Units	Weighted-average
									grant date fair value			grant date fair value
						Outstanding at beginning of year	—		$	—	—	$	—
						Granted	390		$	7.67	—	$	—
						Vested	—		$	—	—	$	—
						Forfeitures	(1	)	$	7.85	—	$	—
						Outstanding at end of year	389		$	7.67	—	$	—
Share-based compensation arrangement by share based payment award, percentage of target shares awarded	'					'								150.00%

Employee_Benefit_Plans_Tables

Employee Benefit Plans (Tables)	12 Months Ended
	Dec. 31, 2013
Compensation and Retirement Disclosure [Abstract]	'
Schedule of Costs of 401(k) Plans	'
	Company contributions to the 401(k) Plan were as follows:
		Year ended December 31,
		2013		2012		2011
	401(k) Plan contributions	$	5,708	$	5,214	$	4,953
Schedule of Deferred Compensation Plan	'
	The liability for the deferred compensation and the value of the funds allocated to the trust by the Company are included in the Company's consolidated balance sheets as follows:
		December 31, 2013		December 31, 2012
	Other non-current assets, net:
	Compensation plan funds	$	6,571	$	4,591
	Other long-term liabilities:
	Deferred compensation	$	6,571	$	4,591
German Pension	'
	The pension plan obligation and the reinsurance program funds are included in the Company's consolidated balance sheets as follows:
		December 31, 2013		December 31, 2012
	Other non-current assets, net:
	Reinsurance program funds	$	3,899	$	3,541
	Other long-term liabilities:
	Pension obligation	$	3,786	$	4,127

Segment_Information_Tables

Segment Information (Tables)	12 Months Ended
	Dec. 31, 2013
Segment Reporting [Abstract]	'
Revenue from External Customers by Business Market	'
	Revenue from the sales of products into the Company's primary end markets was as follows:
		Year ended December 31,
		2013				2012				2011
	Revenue:
	Mobile Devices	$	594,196			$	538,273			$	634,498
	Networks	185,884				192,654				178,378
	Defense & Aerospace	112,799				98,247				83,207
		$	892,879			$	829,174			$	896,083
Schedule of Selected Financial Information, by Geographical Area	'
	Selected financial information by geographical area is summarized below:
		Year ended December 31,
		2013				2012				2011
	Revenue (origin):
	United States and other	$	500,164			$	764,267			$	896,083
	Singapore	392,715				64,907				—
	Costa Rica	32,092				27,274				31,295
	Eliminations	(32,092		)		(27,274		)		(31,295		)
		$	892,879			$	829,174			$	896,083
	(Loss) income from operations:
	United States and other	$	1,952			$	(29,761	)		$	59,026
	Singapore	(42,644		)		(7,315		)		—
	Costa Rica	3,255				4,706				3,494
	Eliminations	(3,255		)		(4,706		)		(3,494		)
		$	(40,692	)		$	(37,076	)		$	59,026
		December 31, 2013				December 31, 2012
	Property, plant and equipment, net:
	United States	$	385,891			$	418,086
	Costa Rica	17,115				22,337
	Other	17,357				8,318
		$	420,363			$	448,741
Schedule of Revenue from External Customers Attributed to Foreign Countries by Geographic Area	'
	International customer revenue representing approximately 10% or more of the Company’s total revenue for each period is as follows:
		Year ended December 31,
		2013				2012				2011
	International customer revenue:
	China	$	487,561			$	374,772			$	383,488
	Hong Kong	71,314				59,148				83,294
	Other	170,585				194,082				183,222
		$	729,460			$	628,002			$	650,004
Schedules of Concentration of Risk, by Risk Factor	'
	Revenue from customers representing approximately 10% or more of total revenue for each period is as follows (as a percentage of total revenue):
		Year ended December 31,
		2013			2012			2011
	Foxconn Technology Group	33	%		31	%		35	%
	Some of the Company's mobile devices end customers use multiple subcontractors for product assembly and test and some of those subcontractors have multiple customers. Therefore, revenues from the Company's customers may not necessarily equal the business of a single mobile devices end customer.
	Related receivables from customers representing approximately 10% or more of total revenue for each period are as follows (as a percentage of total trade receivables):
		Year ended December 31,
		2013			2012			2011
	Foxconn Technology Group	57	%		34	%		39	%

Restructuring_Impairment_and_O

Restructuring, Impairment and Other Charges Restructuring Charges (Tables)	12 Months Ended
	Dec. 31, 2013
Restructuring and Related Activities [Abstract]	'
Restructuring and Related Activities Disclosure [Text Block]	'
	Note 16.    Restructuring, Impairment and Other Charges
	Reduction of GaAs capacity
	During the fourth quarter of 2013, management approved plans to dispose of assets relating to a reduction of gallium arsenide ("GaAs") capacity. In connection with this effort, the Company incurred impairment charges of $22,450 and other charges of $760 associated with management's plans to dispose of assets located at its Oregon and Texas facilities, of which, $449 was payable at December 31, 2013. These charges were reflected in cost of goods sold in the Company's statement of operations.
	Restructuring charges
	During the fourth quarter of 2013, management approved a voluntary severance plan ("VSP"), other targeted reductions in force, and the closure of its engineering and test facility in Santa Rosa, CA. Expenses incurred as a result of these activities primarily consisted of severance and lease abandonment costs related to the closure of the Santa Rosa facility.
	Information with respect to restructuring charges as of December 31, 2013 is as follows (in thousands):
		Severance			Lease abandonment costs			Total
	Balance at December 31, 2012	—			—			—
	2013 restructuring charges	$	3,454		$	456		$	3,910
	Payments	(1,033		)	(26		)	(1,059		)
	Non-cash adjustments	—			65			65
	Balance at December 31, 2013	$	2,421		$	495		$	2,916
	Restructuring charges were reflected in the Company's statement of operations during the fourth quarter of 2013 as follows (in thousands):
	Cost of Goods Sold	$	2,073
	Research, development and engineering	1,033
	Selling, general and administrative	804
	Total restructuring charges	$	3,910
Schedule of Restructuring Reserve by Type of Cost [Table Text Block]	'
	Information with respect to restructuring charges as of December 31, 2013 is as follows (in thousands):
		Severance			Lease abandonment costs			Total
	Balance at December 31, 2012	—			—			—
	2013 restructuring charges	$	3,454		$	456		$	3,910
	Payments	(1,033		)	(26		)	(1,059		)
	Non-cash adjustments	—			65			65
	Balance at December 31, 2013	$	2,421		$	495		$	2,916

Summarized_Quarterly_Data_Unau1

Summarized Quarterly Data (Unaudited) (Tables)	12 Months Ended
	Dec. 31, 2013
Quarterly Financial Information Disclosure [Abstract]	'
Summarized Quarterly Data (Unaudited)	'
	Summarized Quarterly Data (Unaudited)
		Year ended December 31, 2013 Quarters
		1st			2nd			3rd			4th(2)			Total
		(In thousands, except per share data)
	Revenue	$	184,209		$	190,103		$	250,836		$	267,731		$	892,879
	Gross profit	$	38,773		$	56,719		$	92,217		$	69,976		$	257,685
	Net (loss) income	$	(27,949	)	$	(14,885	)	$	13,561		$	(8,735	)	$	(38,008	)
	Net (loss) income per common share(1)
	Basic	$	(0.17	)	$	(0.09	)	$	0.09		$	(0.05	)	$	(0.24	)
	Diluted	$	(0.17	)	$	(0.09	)	$	0.08		$	(0.05	)	$	(0.24	)
		Year ended December 31, 2012 Quarters
		1st			2nd			3rd			4th			Total
		(In thousands, except per share data)
	Revenue	$	216,730		$	178,002		$	200,821		$	233,621		$	829,174
	Gross profit	$	62,589		$	44,938		$	61,613		$	68,456		$	237,596
	Net income (loss)	$	1,883		$	(13,050	)	$	(11,246	)	$	(3,756	)	$	(26,169	)
	Net income per common share(1)
	Basic	$	0.01		$	(0.08	)	$	(0.07	)	$	(0.02	)	$	(0.16	)
	Diluted	$	0.01		$	(0.08	)	$	(0.07	)	$	(0.02	)	$	(0.16	)
	______________
	-1	Earnings per share is computed individually for each of the quarters presented; therefore, the sum of the quarterly earnings per share may not necessarily equal the total for the year.
	-2	During the fourth quarter of 2013, the Company incurred restructuring, impairment and other charges related to the disposal of assets, totaling $27,120, in relation to actions taken to reduce GaAs capacity and associated costs.

Significant_Accounting_Policie3

Significant Accounting Policies Schedule of Revenue from Distributors (Details) (Distributors [Member], USD $)	12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Distributors [Member]	'	'	'
Concentration Risk [Line Items]	'	'	'
Revenue from Distributors	$76,443	$79,360	$81,896

Significant_Accounting_Policie4

Significant Accounting Policies Schedule of Cash and Cash Equivalents (Details) (USD $)	Dec. 31, 2013	Dec. 31, 2012
In Thousands, unless otherwise specified
Accounting Policies [Abstract]	'	'
Cash equivalents	$25,904	$53,549

Significant_Accounting_Policie5

Significant Accounting Policies Schedule of Depreciation Expense (Details) (USD $)	12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Property, Plant and Equipment [Line Items]	'	'	'
Depreciation expense	$99,759	$90,046	$59,919
Impairment of Long-Lived Assets to be Disposed of	22,450	0	0
Long-Lived Assets, Impairment Loss	'	$0	$0
Minimum [Member] | Machinery and equipment	'	'	'
Property, Plant and Equipment [Line Items]	'	'	'
Property, Plant and Equipment, Useful Life, Minimum (in years)	'3 years	'	'
Minimum [Member] | Building Improvements [Member]	'	'	'
Property, Plant and Equipment [Line Items]	'	'	'
Property, Plant and Equipment, Useful Life, Minimum (in years)	'5 years	'	'
Maximum [Member]	'	'	'
Property, Plant and Equipment [Line Items]	'	'	'
Finite-Lived Intangible Assets, Useful Life	'15 years	'	'
Maximum [Member] | Machinery and equipment	'	'	'
Property, Plant and Equipment [Line Items]	'	'	'
Property, Plant and Equipment, Useful Life, Minimum (in years)	'7 years	'	'
Maximum [Member] | Building Improvements [Member]	'	'	'
Property, Plant and Equipment [Line Items]	'	'	'
Property, Plant and Equipment, Useful Life, Minimum (in years)	'20 years	'	'
Maximum [Member] | Buildings	'	'	'
Property, Plant and Equipment [Line Items]	'	'	'
Property, Plant and Equipment, Useful Life, Minimum (in years)	'39 years	'	'
Maximum [Member] | Leasehold improvements [Member]	'	'	'
Property, Plant and Equipment [Line Items]	'	'	'
Property, Plant and Equipment, Useful Life, Minimum (in years)	'10 years	'	'

Fair_Value_of_Financial_Instru2

Fair Value of Financial Instruments (Details) (USD $)	Dec. 31, 2013	Dec. 31, 2012
In Thousands, unless otherwise specified
Assets:	'	'
Cash	$53,122	$63,104
Cash equivalents	25,904	53,549
Short-term—marketable securities	0	22,305
Non-Qualified Deferred Compensation Plan Funds	6,571	4,591
Total	85,597	143,549
Short-term—marketable securities	25,904	75,854
Liabilities:	'	'
Earnout and milestone payment liability	2,426	5,457
Non-Qualified Deferred Compensation Plan	6,571	4,591
Total	8,997	10,048
Estimate of Fair Value, Fair Value Disclosure | Fair Value, Measurements, Recurring [Member]	'	'
Assets:	'	'
Cash, Fair Value Disclosures	53,122	63,104
Cash equivalents	25,904	53,549
Short-term—marketable securities	'	22,305
Non-Qualified Deferred Compensation Plan Funds	6,571	4,591
Total	85,597	143,549
Liabilities:	'	'
Earnout and milestone payment liability	2,426	5,457
Non-Qualified Deferred Compensation Plan	6,571	4,591
Total	8,997	10,048
Level 1 | Fair Value, Measurements, Recurring [Member]	'	'
Assets:	'	'
Cash, Fair Value Disclosures	0	0
Cash equivalents	25,904	53,549
Short-term—marketable securities	'	4,510
Non-Qualified Deferred Compensation Plan Funds	6,571	4,591
Total	32,475	62,650
Liabilities:	'	'
Earnout and milestone payment liability	0	0
Non-Qualified Deferred Compensation Plan	6,571	4,591
Total	6,571	4,591
Level 2 | Fair Value, Measurements, Recurring [Member]	'	'
Assets:	'	'
Cash, Fair Value Disclosures	0	0
Cash equivalents	0	0
Short-term—marketable securities	'	17,795
Non-Qualified Deferred Compensation Plan Funds	0	0
Total	0	17,795
Liabilities:	'	'
Earnout and milestone payment liability	0	0
Non-Qualified Deferred Compensation Plan	0	0
Total	0	0
Level 3 | Fair Value, Measurements, Recurring [Member]	'	'
Assets:	'	'
Cash, Fair Value Disclosures	'	'
Cash equivalents	0	0
Short-term—marketable securities	'	0
Non-Qualified Deferred Compensation Plan Funds	0	0
Total	0	0
Liabilities:	'	'
Earnout and milestone payment liability	2,426	5,457
Non-Qualified Deferred Compensation Plan	0	0
Total	$2,426	$5,457

Fair_Value_of_Financial_Instru3

Fair Value of Financial Instruments - Earnout Payment Liability (Details) (USD $)	12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Details of Level 3 fair value measurements	'	'	'
Payments	($1,163)	$0	$0
Earnout Payment Liability [Member]	'	'	'
Details of Level 3 fair value measurements	'	'	'
Ending earnout payment liability December 31, 2011	2,426	5,457	890
Accretion	-1,643	-128	'
Change in estimate	-3,511	-916	'
Additions	'	5,355	'
Ending earnout payment liability December 31, 2012	2,426	5,457	890
Accretion	-1,643	-128	'
Change in estimate	-3,511	-916	'
Payments	-1,163	'	'
Ending earnout and milestone payment liability December 31, 2013	-2,426	-5,457	-890
Estimate of Fair Value, Fair Value Disclosure | Fair Value, Measurements, Recurring [Member] | First 2012 Acquisition [Member]	'	'	'
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]	'	'	'
Business Combination, Contingent Consideration, Liability	1,420	'	'
Estimate of Fair Value, Fair Value Disclosure | Fair Value, Measurements, Recurring [Member] | Second 2012 Acquisition [Member]	'	'	'
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]	'	'	'
Business Combination, Contingent Consideration, Liability	$1,006	'	'

Fair_Value_of_Financial_Instru4

Fair Value of Financial Instruments - Cross Licensing Liability (Details) (Level 3, Fair Value, Measurements, Nonrecurring [Member], Estimate of Fair Value, Fair Value Disclosure, USD $)	12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Level 3 | Fair Value, Measurements, Nonrecurring [Member] | Estimate of Fair Value, Fair Value Disclosure	'	'
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]	'	'
Incremental borrowing rate	9.00%	'
Cross-licensing liability	$14,752	$15,818
Cross-licensing liability, Current Portion	$3,000	'

Selected_Financial_Statement_I2

Selected Financial Statement Information (Details) (USD $)

Dec. 31, 2013

Dec. 31, 2012

Dec. 31, 2013

Dec. 31, 2012

Dec. 31, 2013

Dec. 31, 2012

Dec. 31, 2013

Dec. 31, 2012

Dec. 31, 2013

Dec. 31, 2012

Dec. 31, 2013

Dec. 31, 2012

Dec. 31, 2013

Dec. 31, 2012

Dec. 31, 2013

Dec. 31, 2012

Dec. 31, 2013

In Thousands, unless otherwise specified

Land

Land

Buildings

Buildings

Building and leasehold improvements

Building and leasehold improvements

Machinery and equipment

Machinery and equipment

Furniture and fixtures

Furniture and fixtures

Computer equipment and software

Computer equipment and software

Computer equipment and software

Computer equipment and software

Minimum [Member]

Machinery and equipment

Accounts receivable, net:

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

Trade accounts receivable

$177,134

$132,782

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

Allowance for doubtful accounts

-20

-53

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

Accounts receivable, net

177,114

132,729

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

Inventories:

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

Raw materials

28,502

26,798

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

Work-in-process

82,141

72,393

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

Finished goods

48,845

39,055

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

Total inventories

159,488

138,246

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

Other current assets:

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

Precious metals reclaim

25,742

39,472

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

Other

14,218

8,910

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

Other current assets

39,960

48,382

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

Property, plant and equipment, net:

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

Property, Plant and Equipment, Useful Life

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'3 years

Total property, plant and equipment, gross

972,401

923,612

19,699

19,691

95,090

94,766

33,341

31,012

734,912

664,737

7,042

6,915

50,226

46,930

32,091

59,561

'

Accumulated depreciation

-552,038

-474,871

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

Total property, plant and equipment, net

420,363

448,741

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

Accrued payroll:

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

Accrued payroll and taxes

16,746

13,670

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

Accrued paid time off and sabbatical

16,593

14,979

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

Accrued management incentive program

4,303

2,437

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

Self-insurance liability

2,101

2,168

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

Accrued payroll

$39,743

$33,254

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

Selected_Financial_Statement_I3

Selected Financial Statement Information Valuation and Qualifying Accounts (Details) (Allowance for Doubtful Accounts [Member], USD $)	12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Allowance for Doubtful Accounts [Member]	'	'	'
Valuation and Qualifying Accounts Disclosure [Line Items]	'	'	'
Opening balance	$53	$46	$76
Reserve adjustments	-33	7	20
Write-offs	0	0	-50
Ending balance	$20	$53	$46

Investments_in_Marketable_Secu2

Investments in Marketable Securities (Details) (USD $)	12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Schedule of Available-for-sale Securities [Line Items]	'	'	'
Cost	$25,904	$75,857	'
Net unrealized holding gains	0	0	'
Net unrealized holding losses	0	-3	'
Fair Value	25,904	75,854	'
Maximum Term Of Available For Sale Securities	'1 year	'1 year	'
Marketable Securities, Realized Loss, Other than Temporary Impairments, Amount	0	0	0
Available-for-sale - included in cash equivalents: | Money market funds and other	'	'	'
Schedule of Available-for-sale Securities [Line Items]	'	'	'
Cost	25,904	53,549	'
Net unrealized holding gains	0	0	'
Net unrealized holding losses	0	0	'
Fair Value	25,904	53,549	'
Available-for-sale - included in short-term marketable securities: | Corporate debt securities	'	'	'
Schedule of Available-for-sale Securities [Line Items]	'	'	'
Cost	'	1,800	'
Net unrealized holding gains	'	0	'
Net unrealized holding losses	'	0	'
Fair Value	'	1,800	'
Available-for-sale - included in short-term marketable securities: | Municipal notes	'	'	'
Schedule of Available-for-sale Securities [Line Items]	'	'	'
Cost	'	4,510	'
Net unrealized holding gains	'	0	'
Net unrealized holding losses	'	0	'
Fair Value	'	4,510	'
Available-for-sale - included in short-term marketable securities: | U.S. treasury securities	'	'	'
Schedule of Available-for-sale Securities [Line Items]	'	'	'
Cost	'	1,065	'
Net unrealized holding gains	'	0	'
Net unrealized holding losses	'	0	'
Fair Value	'	1,065	'
Available-for-sale - included in short-term marketable securities: | U.S. government-sponsored enterprise securities	'	'	'
Schedule of Available-for-sale Securities [Line Items]	'	'	'
Cost	'	14,933	'
Net unrealized holding gains	'	0	'
Net unrealized holding losses	'	-3	'
Fair Value	'	$14,930	'

Net_Income_Per_Share_Details

Net Income Per Share (Details) (USD $)

3 Months Ended

12 Months Ended

In Thousands, except Per Share data, unless otherwise specified

Dec. 31, 2013

Sep. 28, 2013

Jun. 29, 2013

Mar. 30, 2013

Dec. 31, 2012

Sep. 29, 2012

Jun. 30, 2012

Mar. 31, 2012

Dec. 31, 2013

Dec. 31, 2012

Dec. 31, 2011

Earnings Per Share [Abstract]

'

'

'

'

'

'

'

'

'

'

'

Net (loss) income

($8,735)

[1]

$13,561

($14,885)

($27,949)

($3,756)

[1]

($11,246)

($13,050)

$1,883

($38,008)

($26,169)

$48,150

Shares for net (loss) income per share:

'

'

'

'

'

'

'

'

'

'

'

Weighted average shares outstanding—Basic

'

'

'

'

'

'

'

'

159,349

164,366

164,256

Dilutive securities

'

'

'

'

'

'

'

'

0

0

8,254

Weighted average shares outstanding—Dilutive

'

'

'

'

'

'

'

'

159,349

164,366

172,510

Basic

($0.05)

[1],[2]

$0.09

[2]

($0.09)

[2]

($0.17)

[2]

($0.02)

[1],[2]

($0.07)

[2]

($0.08)

[2]

$0.01

[2]

($0.24)

[2]

($0.16)

[2]

$0.29

Diluted

($0.05)

[1],[2]

$0.08

[2]

($0.09)

[2]

($0.17)

[2]

($0.02)

[1],[2]

($0.07)

[2]

($0.08)

[2]

$0.01

[2]

($0.24)

[2]

($0.16)

[2]

$0.28

[1]

During the fourth quarter of 2013, the Company incurred restructuring, impairment and other charges related to the disposal of assets, totaling $27,120, in relation to actions taken to reduce GaAs capacity and associated costs.

[2]

Earnings per share is computed individually for each of the quarters presented; therefore, the sum of the quarterly earnings per share may not necessarily equal the total for the year.

Net_Income_Per_Share_Antidilut

Net Income Per Share - Antidilutive Securities (Details) (Stock Options [Member])	12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Stock Options [Member]	'	'
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]	'	'
Antidilutive securities	33,241	6,174

Goodwill_and_Other_AcquisionRe

Goodwill and Other Acquision-Related Intangible Assets Narrative (Details) (USD $)	9 Months Ended	12 Months Ended
In Thousands, unless otherwise specified	Sep. 28, 2013	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Goodwill and Other Intangible Assets Activity [Line Items]	'	'	'	'
Fair Value of Assets Acquired	$16	'	'	'
Goodwill, Impairment Loss	'	0	0	0
Payments to Acquire Businesses, Net of Cash Acquired	'	5,940	4,500	0
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill)	'	0	'	'
Second 2012 Acquisition [Member] | Year 2012 [Member]	'	'	'	'
Goodwill and Other Intangible Assets Activity [Line Items]	'	'	'	'
Finite-Lived Intangible Assets, Useful Life	'	'5 years	'	'
CAP Wireless [Member]	'	'	'	'
Goodwill and Other Intangible Assets Activity [Line Items]	'	'	'	'
Payments to Acquire Businesses, Net of Cash Acquired	14,850	'	'	'
Developed Technology Rights [Member]	'	'	'	'
Goodwill and Other Intangible Assets Activity [Line Items]	'	'	'	'
Finite-lived Intangible Assets Acquired	5,000	'	'	'
Developed Technology Rights [Member] | First 2012 Acquisition [Member] | Year 2012 [Member]	'	'	'	'
Goodwill and Other Intangible Assets Activity [Line Items]	'	'	'	'
Finite-lived Intangible Assets Acquired	'	4,850	'	'
Finite-Lived Intangible Assets, Useful Life	'	'11 years	'	'
Developed Technology Rights [Member] | Second 2012 Acquisition [Member] | Year 2012 [Member]	'	'	'	'
Goodwill and Other Intangible Assets Activity [Line Items]	'	'	'	'
Finite-lived Intangible Assets Acquired	'	570	'	'
Customer Relationships [Member]	'	'	'	'
Goodwill and Other Intangible Assets Activity [Line Items]	'	'	'	'
Finite-lived Intangible Assets Acquired	'	1,500	'	'
Customer Relationships [Member] | Second 2012 Acquisition [Member] | Year 2012 [Member]	'	'	'	'
Goodwill and Other Intangible Assets Activity [Line Items]	'	'	'	'
Finite-lived Intangible Assets Acquired	'	670	'	'
Trademarks and Trade Names [Member]	'	'	'	'
Goodwill and Other Intangible Assets Activity [Line Items]	'	'	'	'
Finite-lived Intangible Assets Acquired	600	'	'	'
Deferred Tax Asset [Domain]	'	'	'	'
Goodwill and Other Intangible Assets Activity [Line Items]	'	'	'	'
Finite-lived Intangible Assets Acquired	'	1,394	'	'
In Process Research and Development [Member]	'	'	'	'
Goodwill and Other Intangible Assets Activity [Line Items]	'	'	'	'
Finite-Lived Intangible Assets, Useful Life	'	'3 years	'	'
In Process Research and Development [Member] | Year 2012 [Member]	'	'	'	'
Goodwill and Other Intangible Assets Activity [Line Items]	'	'	'	'
Transfer of indefinite-lived intangible assets to finite-lived intangible assets	'	929	'	'
In-process research and development | Second 2012 Acquisition [Member]	'	'	'	'
Goodwill and Other Intangible Assets Activity [Line Items]	'	'	'	'
Indefinite-lived Intangible Assets, Acquired During Period	'	850	'	'
Goodwill	'	'	'	'
Goodwill and Other Intangible Assets Activity [Line Items]	'	'	'	'
Indefinite-lived Intangible Assets, Acquired During Period	'	9,128	'	'
Goodwill | Second 2012 Acquisition [Member]	'	'	'	'
Goodwill and Other Intangible Assets Activity [Line Items]	'	'	'	'
Indefinite-lived Intangible Assets, Acquired During Period	'	$1,015	'	'
Minimum [Member] | Patents Trademarks And Other [Member] | CAP Wireless [Member]	'	'	'	'
Goodwill and Other Intangible Assets Activity [Line Items]	'	'	'	'
Finite-Lived Intangible Assets, Useful Life	'3 years	'	'	'
Maximum [Member]	'	'	'	'
Goodwill and Other Intangible Assets Activity [Line Items]	'	'	'	'
Finite-Lived Intangible Assets, Useful Life	'	'15 years	'	'
Maximum [Member] | Patents Trademarks And Other [Member] | CAP Wireless [Member]	'	'	'	'
Goodwill and Other Intangible Assets Activity [Line Items]	'	'	'	'
Finite-Lived Intangible Assets, Useful Life	'14 years	'	'	'

Goodwill_and_Other_Acquisition2

Goodwill and Other Acquisition-Related Intangible Assets Schedule of Net Book Value (Details) (USD $)	12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Goodwill And Finite And Indefinite Lived Intangible Assets [Line Items]	'	'	'
Goodwill	$13,519	$4,391	'
Finite-Lived Intangible Assets, Gross	64,622	57,522	'
Finite-Lived Intangible Assets, Accumulated Amortization	-41,962	-35,209	'
Finite-Lived Intangible Assets, Net	22,660	22,313	'
Intangible Assets Finite and Indefinite Lived, Gross (Excluding Goodwill)	65,472	58,372	'
Intangible Assets, Accumulated Amortization	-41,962	-35,209	'
Intangible Assets, Net (Excluding Goodwill)	23,510	23,163	'
Intangible Assets Gross Including Goodwill	78,991	62,763	54,808
Intangible Assets Including Goodwill, Accumulated Amortization	-41,962	-35,209	'
Intangible Assets Net Including Goodwill	37,029	27,554	'
In-process research and development	'	'	'
Goodwill And Finite And Indefinite Lived Intangible Assets [Line Items]	'	'	'
Indefinite-Lived Intangible Assets, Gross (Excluding Goodwill)	850	850	929
Indefinite-lived Intangible Assets	850	850	'
Goodwill	'	'	'
Goodwill And Finite And Indefinite Lived Intangible Assets [Line Items]	'	'	'
Goodwill, Gross	13,519	4,391	3,376
Goodwill	'	4,391	'
Maximum [Member]	'	'	'
Goodwill And Finite And Indefinite Lived Intangible Assets [Line Items]	'	'	'
Finite-Lived Intangible Assets, Useful Life	'15 years	'	'
Developed Technology and other	'	'	'
Goodwill And Finite And Indefinite Lived Intangible Assets [Line Items]	'	'	'
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	'8 years	'5 years 5 months	'
Finite-Lived Intangible Assets, Gross	47,020	42,020	35,671
Finite-Lived Intangible Assets, Accumulated Amortization	-31,679	-26,492	'
Finite-Lived Intangible Assets, Net	15,341	15,528	'
Patents and Trademarks	'	'	'
Goodwill And Finite And Indefinite Lived Intangible Assets [Line Items]	'	'	'
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	'10 years 1 month	'9 years 6 months	'
Finite-Lived Intangible Assets, Gross	3,623	3,023	3,023
Finite-Lived Intangible Assets, Accumulated Amortization	-1,805	-1,642	'
Finite-Lived Intangible Assets, Net	1,818	1,381	'
Customer Relationships	'	'	'
Goodwill And Finite And Indefinite Lived Intangible Assets [Line Items]	'	'	'
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	'5 years 7 months	'5 years	'
Finite-Lived Intangible Assets, Gross	13,979	12,479	11,809
Finite-Lived Intangible Assets, Accumulated Amortization	-8,478	-7,075	'
Finite-Lived Intangible Assets, Net	$5,501	$5,404	'

Goodwill_and_Other_AcquisionRe1

Goodwill and Other Acquision-Related Intangible Assets Schedule of Amortization Expense (Details) (USD $)	12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Goodwill and Intangible Assets Disclosure [Abstract]	'	'	'
Amortization expense	$6,753	$6,509	$6,103

Goodwill_and_Other_AcquisionRe2

Goodwill and Other Acquision-Related Intangible Assets Schedule of Changes in Goodwill and Intangible Assets (Details) (USD $)

12 Months Ended

12 Months Ended

12 Months Ended

9 Months Ended

In Thousands, unless otherwise specified

Dec. 31, 2013

Dec. 31, 2012

Dec. 31, 2011

Dec. 31, 2013

Dec. 31, 2011

Dec. 31, 2013

Dec. 31, 2012

Dec. 31, 2011

Dec. 31, 2013

Dec. 31, 2013

Dec. 31, 2013

Dec. 31, 2012

Dec. 31, 2011

Dec. 31, 2013

Dec. 31, 2012

Dec. 31, 2011

Dec. 31, 2013

Dec. 31, 2012

Dec. 31, 2011

Dec. 31, 2013

Dec. 31, 2012

Dec. 31, 2013

Dec. 31, 2012

Dec. 31, 2013

Dec. 31, 2012

Dec. 31, 2013

Dec. 31, 2012

Dec. 31, 2013

Dec. 31, 2012

Dec. 31, 2013

Dec. 31, 2012

Dec. 31, 2012

Dec. 31, 2012

Dec. 31, 2012

Dec. 31, 2012

Dec. 31, 2012

Dec. 31, 2012

Sep. 28, 2013

Goodwill

Goodwill

In-process research and development

In-process research and development

In-process research and development

Customer Relationships [Member]

Deferred Tax Asset [Domain]

Developed Technology and other

Developed Technology and other

Developed Technology and other

Patents and Trademarks

Patents and Trademarks

Patents and Trademarks

Customer Relationships

Customer Relationships

Customer Relationships

Increase [Member]

Increase [Member]

Increase [Member]

Increase [Member]

Increase [Member]

Increase [Member]

Increase [Member]

Increase [Member]

Increase [Member]

Increase [Member]

Increase [Member]

Increase [Member]

Decrease [Member]

Decrease [Member]

Decrease [Member]

Decrease [Member]

Decrease [Member]

Decrease [Member]

CAP Wireless [Member]

Goodwill

Goodwill

In-process research and development

In-process research and development

Developed Technology and other

Developed Technology and other

Patents and Trademarks

Patents and Trademarks

Customer Relationships

Customer Relationships

Goodwill

In-process research and development

Developed Technology and other

Patents and Trademarks

Customer Relationships

Goodwill and Other Intangible Assets Activity [Line Items]

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

Finite-lived Intangible Assets Acquired

'

'

'

'

'

'

'

'

$1,500

$1,394

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

Indefinite-lived Intangible Assets, Acquired During Period

'

'

'

9,128

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

Payments to Acquire Businesses, Net of Cash Acquired

5,940

4,500

0

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

14,850

Intangible Assets Including Goodwill [Roll Forward]

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

Goodwill, Gross

'

'

'

4,391

3,376

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

Indefinite-lived Intangible Assets

'

'

'

'

'

850

850

929

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

Finite-Lived Intangible Assets, Net

57,522

'

'

'

'

'

'

'

'

'

47,020

42,020

35,671

3,623

3,023

3,023

13,979

12,479

11,809

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

Intangible Assets Gross Including Goodwill

62,763

54,808

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

Goodwill, Period Increase (Decrease)

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

9,128

1,015

'

'

'

'

'

'

'

'

'

0

'

'

'

'

'

Indefinite-lived Intangible Assets, Period Increase (Decrease)

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

0

850

'

'

'

'

'

'

'

'

-929

'

'

'

'

Finite-lived Intangible Assets, Period Increase (Decrease)

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

5,000

6,349

600

0

1,500

670

'

'

'

0

0

0

'

Intangible Assets Including Goodwill, Period Increase (Decrease)

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

16,228

8,884

'

'

'

'

'

'

'

'

'

'

-929

'

'

'

'

'

'

Goodwill, Gross

'

'

'

13,519

3,376

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

Indefinite-lived Intangible Assets

'

'

'

'

'

850

850

929

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

Finite-Lived Intangible Assets, Net

64,622

57,522

'

'

'

'

'

'

'

'

47,020

42,020

35,671

3,623

3,023

3,023

13,979

12,479

11,809

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

Intangible Assets Gross Including Goodwill

$78,991

$62,763

$54,808

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

Goodwill_and_Other_AcquisionRe3

Goodwill and Other Acquision-Related Intangible Assets Schedule of Future Amortization (Details) (USD $)	Dec. 31, 2013	Dec. 31, 2012
In Thousands, unless otherwise specified
Goodwill and Intangible Assets Disclosure [Abstract]	'	'
2013	$5,843	'
2014	3,875	'
2015	2,521	'
2016	2,282	'
2017	1,418	'
Thereafter	6,721	'
Finite-Lived Intangible Assets, Net	$22,660	$22,313

Bank_Line_Details

Bank Line (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Lenders Credit Agreement [Member]	'	'
Line of Credit Facility [Line Items]	'	'
Line of Credit Facility, Expiration Date	30-Sep-14	'
Line of Credit Facility, Maximum Borrowing Capacity	$200,000,000	'
Line of Credit Facility, Covenant Terms	'The Agreement requires the Company to maintain ratios defined in the Agreement, which include a consolidated total leverage ratio as of the end of any fiscal quarter not in excess of 2.50 to 1.00, a consolidated liquidity ratio of at least 1.25 to 1.00 and a consolidated interest coverage ratio at a minimum of 3.00 to 1.00.	'
Line of Credit Facility, Maximum Total Leverage Ratio Allowed	2.5	'
Line of Credit Facility, Minimum Consolidated Liquidity Ratio Required	1.25	'
Line of Credit Facility, Minimum Consolidated Interest Coverage Ratio Required	3	'
Line of Credit Facility, Amount Outstanding	0	0
Interest Cost	$0	$0
Eurodollar Rate Loan [Member]	'	'
Line of Credit Facility [Line Items]	'	'
Line of Credit Facility, Interest Rate Floor	2.50%	'
Line of Credit Facility, Interest Rate Cap	3.00%	'
Base Rate Loan [Member]	'	'
Line of Credit Facility [Line Items]	'	'
Line of Credit Facility, Interest Rate Floor	1.50%	'
Line of Credit Facility, Interest Rate Cap	2.00%	'
Bank of America Credit Agreement [Member]	'	'
Line of Credit Facility [Line Items]	'	'
Line of Credit Facility, Interest Rate Description	'The Applicable Rate for Eurodollar Rate loans is based on the Company’s consolidated total leverage ratio (as defined in the Agreement) and is subject to a floor of 2.50% per annum and a cap of 3.00% per annum. Base Rate loans bear interest at a rate equal to the higher of the federal funds rate plus 0.50%, the prime rate of the Bank of America, N.A. plus the Applicable Rate or the Eurodollar Base Rate plus 1.0%. The Applicable Rate for Base Rate loans is subject to a floor of 1.50% per annum and a cap of 2.00% per annum.	'
Federal Funds Rate [Member] | Base Rate Loan [Member]	'	'
Line of Credit Facility [Line Items]	'	'
Debt Instrument, Basis Spread on Variable Rate	0.50%	'
Eurodollar Rate [Member] | Base Rate Loan [Member]	'	'
Line of Credit Facility [Line Items]	'	'
Debt Instrument, Basis Spread on Variable Rate	1.00%	'

Income_Taxes_Details

Income Taxes (Details) (USD $)	12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Income Tax Holiday [Line Items]	'	'	'	'
Income tax (benefit) expense	($7,058)	($5,705)	$10,822	'
Valuation Allowance, Deferred Tax Asset, Change in Amount	2,121	2,996	131	'
Deferred Tax Assets, Tax Credit Carryforwards	30,134	19,411	'	'
Unrecognized Tax Benefits	14,004	9,889	10,381	'
Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-based Compensation Cost	26,187	21,236	'	'
Undistributed Foreign Earnings	70,500	'	'	'
Cash and Cash Equivalents, at Carrying Value	79,026	116,653	116,305	192,464
Unrecognized Tax Benefits, Net	2,062	2,809	'	'
Internal Revenue Service (IRS) [Member]	'	'	'	'
Income Tax Holiday [Line Items]	'	'	'	'
Deferred Tax Assets, Operating Loss Carryforwards, Domestic	111,615	'	'	'
Deferred Tax Assets, Tax Credit Carryforwards	34,565	'	'	'
Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-based Compensation Cost	3,666	'	'	'
Deferred Tax Assets, Tax Credit Carryforwards, Research	5,505	4,835	'	'
Foreign Country [Member]	'	'	'	'
Income Tax Holiday [Line Items]	'	'	'	'
Income Tax Holiday, Aggregate Dollar Amount	12,840	765	-1,309	'
State and Local Jurisdiction [Member]	'	'	'	'
Income Tax Holiday [Line Items]	'	'	'	'
Deferred Tax Assets, Operating Loss Carryforwards, State and Local	134,778	'	'	'
Deferred Tax Assets, Tax Credit Carryforwards	15,983	'	'	'
Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-based Compensation Cost	568	'	'	'
Domestic Country [Member]	'	'	'	'
Income Tax Holiday [Line Items]	'	'	'	'
Cash and Cash Equivalents, at Carrying Value	37,354	'	'	'
Foreign Country [Member]	'	'	'	'
Income Tax Holiday [Line Items]	'	'	'	'
Cash and Cash Equivalents, at Carrying Value	41,672	'	'	'
Stock Option Deductions [Member] | Internal Revenue Service (IRS) [Member]	'	'	'	'
Income Tax Holiday [Line Items]	'	'	'	'
Deferred Tax Assets, Operating Loss Carryforwards, Domestic	67,969	'	'	'
Stock Option Deductions [Member] | State and Local Jurisdiction [Member]	'	'	'	'
Income Tax Holiday [Line Items]	'	'	'	'
Deferred Tax Assets, Operating Loss Carryforwards, State and Local	$8,488	'	'	'

Income_Taxes_Schedule_of_Incom

Income Taxes Schedule of Income before Tax, Domestic and Foreign (Details) (USD $)	12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Income Tax Disclosure [Abstract]	'	'	'
Domestic	($5,754)	($29,483)	$55,537
Foreign	-39,312	-2,391	3,435
(Loss) income before income tax	($45,066)	($31,874)	$58,972

Income_Taxes_Schedule_of_Incom1

Income Taxes Schedule of Income Tax Expense (Benefit) (Details) (USD $)	12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Current:	'	'	'
Federal	($2,529)	$1,050	($7,138)
State	174	280	3,082
Foreign	1,307	1,652	278
Current Income Tax Expense (Benefit)	-1,048	2,982	-3,778
Deferred:	'	'	'
Federal	-3,907	-12,625	13,974
State	-1,757	4,158	219
Foreign	-346	-220	407
Deferred Income Tax (Benefit) Expense	-6,010	-8,687	14,600
Net income tax (benefit) expense	($7,058)	($5,705)	$10,822

Income_Taxes_Schedule_of_Effec

Income Taxes Schedule of Effective Income Tax Reconciliation (Details)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Income Tax Disclosure [Abstract]	'	'	'
Tax (benefit) expense at U.S. statutory rate	-35.00%	-35.00%	35.00%
State income tax, net of federal effect	0.30%	0.00%	1.00%
Change in valuation allowance	4.70%	9.40%	0.20%
Foreign income tax	-1.30%	0.20%	-0.50%
Foreign subsidiary tax holiday and rate differential	28.50%	2.40%	-2.00%
Stock-based compensation	2.40%	6.10%	2.60%
Increase (reduction) of uncertain tax position liability	7.30%	1.70%	-11.20%
Tax credits	-22.60%	-1.40%	-14.80%
State apportionment adjustment	-0.30%	-0.50%	7.70%
Other, net	0.30%	-0.80%	0.40%
Effective tax rate	-15.70%	-17.90%	18.40%

Income_Taxes_Schedule_of_Defer

Income Taxes Schedule of Deferred Tax Assets and Liabilities (Details) (USD $)	Dec. 31, 2013	Dec. 31, 2012
In Thousands, unless otherwise specified
Deferred tax assets:	'	'
Capital research and development expenditures	$2,867	$4,790
Accrued liabilities	9,957	6,794
Impairment of investment in other companies	4,112	3,890
Inventory	5,688	7,443
Net operating loss carryforwards	23,336	33,029
Research and development, and other credits	30,134	19,411
Stock-based compensation	26,187	21,236
Other	13,280	12,544
Gross deferred tax assets	115,561	109,137
Valuation allowance	-16,639	-14,518
Total deferred tax assets	98,922	94,619
Deferred tax liabilities:	'	'
Fixed assets	-24,581	-24,904
Total deferred tax liabilities	-24,581	-24,904
Total deferred tax assets, net	$74,341	$69,715

Income_Taxes_Reconciliation_fo

Income Taxes Reconciliation fo Unrecognized Tax Benefits (Details) (USD $)	12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Income Tax Disclosure [Abstract]	'	'
Impact of Repatriation of Earnings from Foreign Entities	$25,000	'
Unrecognized Tax Benefits, Net	2,062	2,809
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued	767	590
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]	'	'
Balance December 31, 2011	9,889	10,381
Reductions	-4,533	-3,285
Additions	'	2,793
Reductions	-418	'
Balance December 31, 2013	14,004	9,889
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Amount of Unrecorded Benefit	$1,400	'

Commitments_and_Contingencies_1

Commitments and Contingencies Schedule of Future Lease Payments (Details) (USD $)	12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2013
Operating Leased Assets [Line Items]	'
2014	3,455
2013	4,007
2015	3,103
2016	2,547
2017	2,253
Thereafter	3,602
Future Minimum Payments	18,967
Minimum [Member]	'
Operating Leased Assets [Line Items]	'
Operating Lease, Term	'1 year
Maximum [Member]	'
Operating Leased Assets [Line Items]	'
Operating Lease, Term	'10 years

Commitments_and_Contingencies_2

Commitments and Contingencies Schedule of Rent Expense (Details) (USD $)	12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Commitments and Contingencies Disclosure [Abstract]	'	'	'
Rent expense	$4,140	$4,088	$3,556

Stock_Stock_Options_and_Rights3

Stock, Stock Options and Rights Narrative (Details) (USD $)

12 Months Ended

12 Months Ended

In Thousands, except Share data, unless otherwise specified

Dec. 31, 2013

Dec. 31, 2012

Dec. 31, 2011

Dec. 31, 2013

Dec. 31, 2013

Dec. 31, 2013

Dec. 31, 2013

Dec. 31, 2013

Dec. 31, 2013

Dec. 31, 2013

Dec. 31, 2013

Sep. 28, 2013

Sep. 28, 2013

Dec. 31, 2013

Dec. 31, 2013

Dec. 31, 2013

Dec. 31, 2013

Dec. 31, 2013

2012 Incentive Plan(1)

2012 Incentive Plan(1)

2012 Incentive Plan(1)

Incentive Plan, 2013 [Member]

Incentive Plan, 2013 [Member]

Incentive Plan, 2013 [Member]

1996 Stock Incentive Program(1)

2008 Inducement Award Plan

Performance Shares [Member]

Performance Shares [Member]

Stock Options [Member]

Stock Options [Member]

Stock Options [Member]

Stock Options [Member]

Stock Options [Member]

Sitting Director [Member]

Newly Elected Director [Member]

Minimum [Member]

Maximum [Member]

Minimum [Member]

Maximum [Member]

2012 Incentive Plan(1)

1996 Stock Incentive Program(1)

2008 Inducement Award Plan

2009 Incentive Plan(1)

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

Share-based compensation arrangement by share based payment award, percentage of target shares awarded

'

'

'

'

'

'

'

'

'

'

'

0.00%

150.00%

'

'

'

'

'

Share-based Compensation Arrangement by Share-based Payment Award, Restricted Stock Unit and Market-based Restricted Stock Unit, Intrinsic Value

$3,243

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

Preferred stock, shares authorized

5,000,000

5,000,000

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

Preferred stock, par value

$0.00

$0.00

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

Common stock, shares authorized

600,000,000

600,000,000

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

Common stock, par value

$0.00

$0.00

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Lower Range Limit, Percent

'

'

'

'

'

'

100.00%

'

'

'

'

'

'

'

100.00%

100.00%

100.00%

100.00%

Share-based Compensation, Shares Authorized under Stock Option Plans, Voting Rights Held Benchmark, Percent

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

10.00%

'

'

Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range if Voting Rights Held Above Benchmark, Lower Range Limit, Percent

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

110.00%

'

'

Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, First Year Percentage

'

'

'

'

'

'

'

'

'

'

'

'

'

25.00%

'

'

'

'

Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, After First Year, Quarterly Percentage

'

'

'

'

'

'

'

'

'

'

'

'

'

6.25%

'

'

'

'

Share-based Compensation Arrangement by Share-based Payment Award, Current Employees, Award Vesting Rights, After Third Year, Quarterly Percentage

'

'

'

'

'

'

'

'

'

'

'

'

'

25.00%

'

'

'

'

Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period

'

'

'

'

'

'

'

'3 years

'4 years

'

'

'

'

'

'

'

'

'

Share-based Compensation Arrangement by Share-based Payment Award, Term of Award

'

'

'

'P10Y

'P5Y

'P10Y

'10

'

'

'P10Y

'P10Y

'

'

'

'

'

'

'

Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Total Intrinsic Value

11,341

2,758

18,263

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value

49,441

10,766

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

Closing Stock Price, Per Share

$8.34

$4.83

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value

80,174

11,176

13,519

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized

$36,475

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition

'27 months

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Outstanding, Weighted Average Remaining Contractual Terms

'2 years 4 months 6 days

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

Stock_Stock_Options_and_Rights4

Stock, Stock Options and Rights Schedule Stock Option Plans (Details)	12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]	'
Share-based compensation arrangement by share based payment award, maximum potential shares	299
Authorized	63,553
Available	2,667
Outstanding	35,113
1996 Stock Incentive Program(1)	'
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]	'
Authorized	33,693	[1]
Available	76	[1]
Outstanding	9,372	[1]
2008 Inducement Award Plan	'
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]	'
Authorized	2,200
Available	322
Outstanding	1,485
2009 Incentive Plan(1)	'
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]	'
Authorized	17,639	[1]
Available	308	[1]
Outstanding	16,285	[1]
2012 Incentive Plan(1)	'
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]	'
Authorized	5,088
Available	327
Outstanding	4,676
Incentive Plan, 2013 [Member]	'
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]	'
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Lower Range Limit, Percent	100.00%
Authorized	4,933
Available	1,634
Outstanding	3,295
[1]	Shares are only available for issuance under the 2013 Incentive Plan after reregistration.

Stock_Stock_Options_and_Rights5

Stock, Stock Options and Rights - Option Transactions (Details) (USD $)	12 Months Ended
In Thousands, except Per Share data, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Options Outstanding [Roll Forward]	'	'	'
Options outstanding at the beginning of the period (shares)	33,241	29,547	28,436
Options outstanding at the beginning of the period (weighted-average exercise price per share)	$6.56	$6.73	$6.03
Options granted (shares)	7,178	7,293	5,678
Options granted (weighted-average exercise price per share)	$5.90	$5.82	$11.94
Options exercised (shares)	-4,322	-1,189	-2,738
Options exercised (weighted-average exercise price per share)	$4.88	$3.30	$6.43
Options forfeited (shares)	-1,373	-2,410	-1,829
Options forfeited (weighted-average exercise price per share)	$7.49	$8.02	$12.51
Options outstanding at the end of the period (shares)	34,724	33,241	29,547
Options outstanding at the end of the period (weighted-average exercise price per share)	$6.59	$6.56	$6.73
Options exercisable at the end of period (shares)	20,049	19,156	15,963
Options exercisable at the end of period (weighted-average exercise price)	$6.43	$5.51	$5.34

Stock_Stock_Options_and_Rights6

Stock, Stock Options and Rights Fair Value Assumptions (Details)	12 Months Ended						9 Months Ended	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Sep. 28, 2013	Dec. 31, 2012
	Stock Options [Member]	Stock Options [Member]	Stock Options [Member]	Employee Stock Purchase Plan [Member]	Employee Stock Purchase Plan [Member]	Employee Stock Purchase Plan [Member]	Performance Shares [Member]	Performance Shares [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]	'	'	'	'	'	'	'	'
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate	0.90%	1.00%	2.20%	0.10%	0.10%	0.10%	0.40%	0.00%
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term	'5 years	'5 years	'4 years 11 months 25 days	'6 months	'6 months	'6 months	'	'
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate	64.00%	63.40%	60.20%	49.20%	58.50%	57.40%	56.20%	0.00%
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected , Estimated Annualized Forfeiture Rate	5.00%	5.50%	6.80%	4.00%	4.00%	4.00%	'	'
TQNT correlation coefficient to SPDR	'	'	'	'	'	'	59.00%	0.00%

Stock_Stock_Options_and_Rights7

Stock, Stock Options and Rights Schedule of Stock Option Exercise Price Range (Details) (USD $)	12 Months Ended
In Thousands, except Per Share data, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]	'	'	'
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Number of Exercisable Options	20,049	19,156	15,963
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Exercisable Options, Weighted Average Exercise Price	$6.43	$5.51	$5.34
$ 1.69 – $ 4.00	'	'	'
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]	'	'	'
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Lower Range Limit	$1.69	'	'
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Upper Range Limit	$4	'	'
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Number of Outstanding Options	3,479	'	'
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Exercisable Options, Weighted Average Remaining Contractual Term	'4 years 3 months 15 days	'	'
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Outstanding Options, Weighted Average Exercise Price, Beginning Balance	$2.55	'	'
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Number of Exercisable Options	3,479	'	'
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Exercisable Options, Weighted Average Exercise Price	$2.55	'	'
$ 4.01 – $ 5.50	'	'	'
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]	'	'	'
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Lower Range Limit	$4.01	'	'
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Upper Range Limit	$5.50	'	'
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Number of Outstanding Options	8,211	'	'
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Exercisable Options, Weighted Average Remaining Contractual Term	'6 years 3 months 11 days	'	'
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Outstanding Options, Weighted Average Exercise Price, Beginning Balance	$4.94	'	'
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Number of Exercisable Options	4,225	'	'
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Exercisable Options, Weighted Average Exercise Price	$5.01	'	'
$ 5.51 – $ 6.75	'	'	'
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]	'	'	'
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Lower Range Limit	$5.51	'	'
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Upper Range Limit	$6.75	'	'
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Number of Outstanding Options	9,648	'	'
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Exercisable Options, Weighted Average Remaining Contractual Term	'6 years 11 months 9 days	'	'
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Outstanding Options, Weighted Average Exercise Price, Beginning Balance	$6.12	'	'
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Number of Exercisable Options	4,372	'	'
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Exercisable Options, Weighted Average Exercise Price	$6.33	'	'
$ 6.76 – $10.00	'	'	'
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]	'	'	'
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Lower Range Limit	$6.76	'	'
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Upper Range Limit	$10	'	'
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Number of Outstanding Options	8,824	'	'
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Exercisable Options, Weighted Average Remaining Contractual Term	'7 years 4 months 17 days	'	'
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Outstanding Options, Weighted Average Exercise Price, Beginning Balance	$7.16	'	'
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Number of Exercisable Options	5,354	'	'
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Exercisable Options, Weighted Average Exercise Price	$7.18	'	'
$10.01 – $13.99	'	'	'
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]	'	'	'
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Lower Range Limit	$10.01	'	'
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Upper Range Limit	$13.99	'	'
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Number of Outstanding Options	4,562	'	'
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Exercisable Options, Weighted Average Remaining Contractual Term	'7 years 2 months 1 day	'	'
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Outstanding Options, Weighted Average Exercise Price, Beginning Balance	$12.54	'	'
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Number of Exercisable Options	2,619	'	'
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Exercisable Options, Weighted Average Exercise Price	$12.54	'	'
$ 1.69 – $13.99	'	'	'
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]	'	'	'
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Lower Range Limit	$1.69	'	'
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Upper Range Limit	$13.99	'	'
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Number of Outstanding Options	34,724	'	'
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Exercisable Options, Weighted Average Remaining Contractual Term	'6 years 7 months 28 days	'	'
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Outstanding Options, Weighted Average Exercise Price, Beginning Balance	$0	'	'
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Number of Exercisable Options	20,049	'	'
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Exercisable Options, Weighted Average Exercise Price	$6.43	'	'
Restricted Stock Units and Market-based Restricted Stock Units [Member]	'	'	'
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]	'	'	'
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Granted	390	0	'
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value	$7.67	$0	'
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period	-1	0	'
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value	$7.85	$0	'
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding, Number	389	0	0
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value	$7.67	$0	$0

Stock_Stock_Options_and_Rights8

Stock, Stock Options and Rights Stock-based Compensation, Options Granted, Weighted Average Grant Date (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]	'	'	'
Weighted-average grant fair value	$3.16	$3.10	$6.27

Stock_Stock_Options_and_Rights9

Stock, Stock Options and Rights (Details) (USD $)	12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Stock-Based Compensation Expense Allocation [Line Items]	'	'	'
Total stock-based compensation expense included in income from operations	$29,553	$29,225	$25,082
Stock-based compensation expense included in cost of goods sold	'	'	'
Stock-Based Compensation Expense Allocation [Line Items]	'	'	'
Total stock-based compensation expense included in income from operations	8,548	9,021	6,918
Operating expenses:	'	'	'
Stock-Based Compensation Expense Allocation [Line Items]	'	'	'
Total stock-based compensation expense included in income from operations	21,005	20,204	18,164
Research, development and engineering	'	'	'
Stock-Based Compensation Expense Allocation [Line Items]	'	'	'
Total stock-based compensation expense included in income from operations	10,582	9,261	8,492
Selling, general and administrative	'	'	'
Stock-Based Compensation Expense Allocation [Line Items]	'	'	'
Total stock-based compensation expense included in income from operations	$10,423	$10,943	$9,672

Recovered_Sheet1

Stock, Stock Options and Rights Employee Stock Purchase Plan (Details)	12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]	'	'	'
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized	63,553	'	'
Employee Stock Purchase Plan [Member]	'	'	'
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]	'	'	'
Share-based Compensation Arrangement by Share-based Payment Award, Percentage of Purchase Price of Shares of the Lower of Fair Market Value	85.00%	'	'
Share-based Compensation Arrangement by Share-based Payment Award, Look-back Period	'6 months	'	'
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized	2,000	'	'
Common Stock, Capital Shares Reserved for Future Issuance	3,216	'	'
Shares purchased	3,438	3,506	1,924
Maximum [Member] | Employee Stock Purchase Plan [Member] | Alternative 1 [Member]	'	'	'
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]	'	'	'
Share-based Compensation Arrangement by Share-based Payment Award, Annual Increase in Number of Allocated Shares	3,000	'	'
Maximum [Member] | Employee Stock Purchase Plan [Member] | Alternative 2 [Member]	'	'	'
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]	'	'	'
Share-based Compensation Arrangement by Share-based Payment Award, Annual Increase Percentage of Number of Allocated Shares	1.50%	'	'

Recovered_Sheet2

Stock, Stock Options and Rights Stock Repurchase Program (Details) (USD $)	12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Payments for Repurchase of Equity [Abstract]	'	'
Stock Repurchase Program, Authorized Amount	$75,000	'
Stock Repurchased and Retired During Period, Shares	7,670	10,209
Stock Repurchased and Retired During Period, Value	$51,125	$50,000

Employee_Benefit_Plans_Details

Employee Benefit Plans (Details) (USD $)	12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Compensation and Retirement Disclosure [Abstract]	'	'	'
401(k) Plan contributions	$5,708	$5,214	$4,953

Employee_Benefit_Plans_Deferre

Employee Benefit Plans - Deferred Compensation (Details) (USD $)	Dec. 31, 2013	Dec. 31, 2012
In Thousands, unless otherwise specified
Other non-current assets, net:	'	'
Compensation plan funds	$6,571	$4,591
Other long-term liabilities:	'	'
Deferred compensation	$6,571	$4,591

Employee_Benefit_Plans_Pension

Employee Benefit Plans - Pension Obligation (Details) (German Pension [Member], USD $)	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2013	Dec. 31, 2013
In Thousands, unless otherwise specified			Alternative 1 [Member]	Alternative 2 [Member]
			Minimum [Member]	Minimum [Member]
			Y	Y
Other non-current assets, net:	'	'	'	'
Reinsurance program funds	$3,899	$3,541	'	'
Other long-term liabilities:	'	'	'	'
Pension obligation	$3,786	$4,127	'	'
Defined Benefit Plan, Pension Liabilitiy Payable Benchmark, Employee Age	'	'	60	65

Investments_in_Other_Companies1

Investments in Other Companies (Details) (USD $)	0 Months Ended	9 Months Ended	12 Months Ended
In Thousands, unless otherwise specified	11-May-05	Sep. 29, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Cost-method Investments, Realized Gain (Loss), Alternative [Abstract]	'	'	'	'	'
Consideration in preferred stock received	$4,500	'	'	'	'
Cost Method Investment, Gross Investment Amount	5,633	'	'	'	'
Investment Impairment Recovery	'	6,957	421	6,957	1,363
Cost Method Investments	'	'	'	'	$0

Segment_Information_Revenue_by

Segment Information - Revenue by End Market (Details) (USD $)

3 Months Ended

12 Months Ended

In Thousands, unless otherwise specified

Dec. 31, 2013

Sep. 28, 2013

Jun. 29, 2013

Mar. 30, 2013

Dec. 31, 2012

Sep. 29, 2012

Jun. 30, 2012

Mar. 31, 2012

Dec. 31, 2013

Dec. 31, 2012

Dec. 31, 2011

Concentration Risk [Line Items]

'

'

'

'

'

'

'

'

'

'

'

Revenue

$267,731

[1]

$250,836

$190,103

$184,209

$233,621

[1]

$200,821

$178,002

$216,730

$892,879

$829,174

$896,083

Sales Revenue, End Market [Member]

'

'

'

'

'

'

'

'

'

'

'

Concentration Risk [Line Items]

'

'

'

'

'

'

'

'

'

'

'

Revenue

'

'

'

'

'

'

'

'

892,879

829,174

896,083

Sales Revenue, End Market [Member] | Mobile Devices

'

'

'

'

'

'

'

'

'

'

'

Concentration Risk [Line Items]

'

'

'

'

'

'

'

'

'

'

'

Revenue

'

'

'

'

'

'

'

'

594,196

538,273

634,498

Sales Revenue, End Market [Member] | Networks

'

'

'

'

'

'

'

'

'

'

'

Concentration Risk [Line Items]

'

'

'

'

'

'

'

'

'

'

'

Revenue

'

'

'

'

'

'

'

'

185,884

192,654

178,378

Sales Revenue, End Market [Member] | Defense & Aerospace

'

'

'

'

'

'

'

'

'

'

'

Concentration Risk [Line Items]

'

'

'

'

'

'

'

'

'

'

'

Revenue

'

'

'

'

'

'

'

'

$112,799

$98,247

$83,207

[1]

During the fourth quarter of 2013, the Company incurred restructuring, impairment and other charges related to the disposal of assets, totaling $27,120, in relation to actions taken to reduce GaAs capacity and associated costs.

Segment_Information_Selected_F

Segment Information - Selected Financial Informaion by Geographical Area (Details) (USD $)

3 Months Ended

12 Months Ended

In Thousands, unless otherwise specified

Dec. 31, 2013

Sep. 28, 2013

Jun. 29, 2013

Mar. 30, 2013

Dec. 31, 2012

Sep. 29, 2012

Jun. 30, 2012

Mar. 31, 2012

Dec. 31, 2013

Dec. 31, 2012

Dec. 31, 2011

Revenue (origin):

'

'

'

'

'

'

'

'

'

'

'

Revenue

$267,731

[1]

$250,836

$190,103

$184,209

$233,621

[1]

$200,821

$178,002

$216,730

$892,879

$829,174

$896,083

(Loss) income from operations:

'

'

'

'

'

'

'

'

'

'

'

(Loss) income from operations

'

'

'

'

'

'

'

'

-40,692

-37,076

59,026

Property, plant and equipment, net:

'

'

'

'

'

'

'

'

'

'

'

Property, plant and equipment, net

420,363

'

'

'

448,741

'

'

'

420,363

448,741

'

United States and other

'

'

'

'

'

'

'

'

'

'

'

Revenue (origin):

'

'

'

'

'

'

'

'

'

'

'

Revenue

'

'

'

'

'

'

'

'

500,164

764,267

896,083

(Loss) income from operations:

'

'

'

'

'

'

'

'

'

'

'

(Loss) income from operations

'

'

'

'

'

'

'

'

1,952

-29,761

59,026

United States

'

'

'

'

'

'

'

'

'

'

'

Property, plant and equipment, net:

'

'

'

'

'

'

'

'

'

'

'

Property, plant and equipment, net

385,891

'

'

'

418,086

'

'

'

385,891

418,086

'

Costa Rica

'

'

'

'

'

'

'

'

'

'

'

Revenue (origin):

'

'

'

'

'

'

'

'

'

'

'

Revenue

'

'

'

'

'

'

'

'

32,092

27,274

31,295

(Loss) income from operations:

'

'

'

'

'

'

'

'

'

'

'

(Loss) income from operations

'

'

'

'

'

'

'

'

3,255

4,706

3,494

Property, plant and equipment, net:

'

'

'

'

'

'

'

'

'

'

'

Property, plant and equipment, net

17,115

'

'

'

22,337

'

'

'

17,115

22,337

'

Intersegment Eliminations [Member]

'

'

'

'

'

'

'

'

'

'

'

Revenue (origin):

'

'

'

'

'

'

'

'

'

'

'

Revenue

'

'

'

'

'

'

'

'

-32,092

-27,274

-31,295

(Loss) income from operations:

'

'

'

'

'

'

'

'

'

'

'

(Loss) income from operations

'

'

'

'

'

'

'

'

-3,255

-4,706

-3,494

Property, plant and equipment, net:

'

'

'

'

'

'

'

'

'

'

'

Property, plant and equipment, net

17,357

'

'

'

8,318

'

'

'

17,357

8,318

'

Singapore

'

'

'

'

'

'

'

'

'

'

'

Revenue (origin):

'

'

'

'

'

'

'

'

'

'

'

Revenue

'

'

'

'

'

'

'

'

392,715

64,907

0

(Loss) income from operations:

'

'

'

'

'

'

'

'

'

'

'

(Loss) income from operations

'

'

'

'

'

'

'

'

($42,644)

($7,315)

$0

[1]

During the fourth quarter of 2013, the Company incurred restructuring, impairment and other charges related to the disposal of assets, totaling $27,120, in relation to actions taken to reduce GaAs capacity and associated costs.

Segment_Information_Segment_In

Segment Information Segment Information - Schedule of Revenue Attributed to Foreign Countries (Details) (USD $)

3 Months Ended

12 Months Ended

In Thousands, unless otherwise specified

Dec. 31, 2013

Sep. 28, 2013

Jun. 29, 2013

Mar. 30, 2013

Dec. 31, 2012

Sep. 29, 2012

Jun. 30, 2012

Mar. 31, 2012

Dec. 31, 2013

Dec. 31, 2012

Dec. 31, 2011

International customer revenue:

'

'

'

'

'

'

'

'

'

'

'

Revenue

$267,731

[1]

$250,836

$190,103

$184,209

$233,621

[1]

$200,821

$178,002

$216,730

$892,879

$829,174

$896,083

China

'

'

'

'

'

'

'

'

'

'

'

International customer revenue:

'

'

'

'

'

'

'

'

'

'

'

Revenue

'

'

'

'

'

'

'

'

487,561

374,772

383,488

Hong Kong

'

'

'

'

'

'

'

'

'

'

'

International customer revenue:

'

'

'

'

'

'

'

'

'

'

'

Revenue

'

'

'

'

'

'

'

'

71,314

59,148

83,294

Other

'

'

'

'

'

'

'

'

'

'

'

International customer revenue:

'

'

'

'

'

'

'

'

'

'

'

Revenue

'

'

'

'

'

'

'

'

170,585

194,082

183,222

International

'

'

'

'

'

'

'

'

'

'

'

International customer revenue:

'

'

'

'

'

'

'

'

'

'

'

Revenue

'

'

'

'

'

'

'

'

$729,460

$628,002

$650,004

[1]

During the fourth quarter of 2013, the Company incurred restructuring, impairment and other charges related to the disposal of assets, totaling $27,120, in relation to actions taken to reduce GaAs capacity and associated costs.

Segment_Information_Segment_In1

Segment Information Segment Information - Schedule of Materially Significant Customers (Details) (Foxconn Technology Group, Customer Concentration Risk [Member])	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Revenue [Member]	'	'	'
Concentration Risk [Line Items]	'	'	'
Concentration risk, percentage	33.00%	31.00%	35.00%
Accounts receivable [Member]	'	'	'
Concentration Risk [Line Items]	'	'	'
Concentration risk, percentage	57.00%	34.00%	39.00%

Restructuring_Impairment_and_O1

Restructuring, Impairment and Other Charges Impairment of long-lived assets (Details) (USD $)	12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Impairment of long-lived assets [Abstract]	'	'	'
Impairment of Long-Lived Assets to be Disposed of	$22,450	$0	$0
Other charges	760	'	'
Other Charges, Ending Balance	$449	'	'

Restructuring_Impairment_and_O2

Restructuring, Impairment and Other Charges Restructuring Charges (Details) (USD $)	3 Months Ended	12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2013	Dec. 31, 2012
Restructuring Cost and Reserve [Line Items]	'	'	'
Restructuring Charges	$27,120	$3,910	'
Payments for Restructuring	'	-1,059	'
Other Noncash Expense	'	65	'
Restructuring Reserve	2,916	2,916	0
Stock-based compensation expense included in cost of goods sold	'	'	'
Restructuring Cost and Reserve [Line Items]	'	'	'
Restructuring Charges	'	2,073	'
Selling, general and administrative	'	'	'
Restructuring Cost and Reserve [Line Items]	'	'	'
Restructuring Charges	'	804	'
Research, development and engineering expense [Member]	'	'	'
Restructuring Cost and Reserve [Line Items]	'	'	'
Restructuring Charges	'	1,033	'
Employee Severance [Member]	'	'	'
Restructuring Cost and Reserve [Line Items]	'	'	'
Severance Costs	'	3,454	'
Payments for Restructuring	'	-1,033	'
Restructuring Reserve	2,421	2,421	0
Lease abandonment costs [Member]	'	'	'
Restructuring Cost and Reserve [Line Items]	'	'	'
Lease abandonment costs	'	456	'
Payments for Restructuring	'	-26	'
Other Noncash Expense	'	65	'
Restructuring Reserve	$495	$495	$0

Summarized_Quarterly_Data_Unau2

Summarized Quarterly Data (Unaudited) (Details) (USD $)	3 Months Ended																12 Months Ended
In Thousands, except Per Share data, unless otherwise specified	Dec. 31, 2013		Sep. 28, 2013		Jun. 29, 2013		Mar. 30, 2013		Dec. 31, 2012		Sep. 29, 2012		Jun. 30, 2012		Mar. 31, 2012		Dec. 31, 2013		Dec. 31, 2012		Dec. 31, 2011
Quarterly Financial Information Disclosure [Abstract]	'		'		'		'		'		'		'		'		'		'		'
Revenue	$267,731	[1]	$250,836		$190,103		$184,209		$233,621	[1]	$200,821		$178,002		$216,730		$892,879		$829,174		$896,083
Gross profit	69,976	[1]	92,217		56,719		38,773		68,456	[1]	61,613		44,938		62,589		257,685		237,596		321,931
Net (loss) income	-8,735	[1]	13,561		-14,885		-27,949		-3,756	[1]	-11,246		-13,050		1,883		-38,008		-26,169		48,150
Net (loss) income per common share:	'		'		'		'		'		'		'		'		'		'		'
Basic	($0.05)	[1],[2]	$0.09	[2]	($0.09)	[2]	($0.17)	[2]	($0.02)	[1],[2]	($0.07)	[2]	($0.08)	[2]	$0.01	[2]	($0.24)	[2]	($0.16)	[2]	$0.29
Diluted	($0.05)	[1],[2]	$0.08	[2]	($0.09)	[2]	($0.17)	[2]	($0.02)	[1],[2]	($0.07)	[2]	($0.08)	[2]	$0.01	[2]	($0.24)	[2]	($0.16)	[2]	$0.28
Restructuring Charges	$27,120		'		'		'		'		'		'		'		$3,910		'		'
[1]	During the fourth quarter of 2013, the Company incurred restructuring, impairment and other charges related to the disposal of assets, totaling $27,120, in relation to actions taken to reduce GaAs capacity and associated costs.
[2]	Earnings per share is computed individually for each of the quarters presented; therefore, the sum of the quarterly earnings per share may not necessarily equal the total for the year.