Stoneridge (SRI) 10-K 28 Feb 19 2018 FY Annual report Financial data

Document and Entity Information

Document and Entity Information - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2018	Feb. 20, 2019	Jun. 30, 2018
Document and Entity Information [Abstract]
Entity Registrant Name	STONERIDGE INC
Entity Central Index Key	1,043,337
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer
Trading Symbol	sri
Entity Common Stock Shares Outstanding		28,488,935
Document Type	10-K
Amendment Flag	false
Document Period End Date	Dec. 31, 2018
Document Fiscal Period Focus	FY
Document Fiscal Year Focus	2,018
Entity Well-Known Seasoned Issuer	No
Entity Current Reporting Status	Yes
Entity Public Float			$ 961.3
Entity Voluntary Filers	No

CONSOLIDATED BALANCE SHEETS

CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Current assets:
Cash and cash equivalents	$ 81,092	$ 66,003
Accounts receivable, less reserves of $1,243 and $1,109, respectively	139,076	142,438
Inventories, net	79,278	73,471
Prepaid expenses and other current assets	20,731	21,457
Total current assets	320,177	303,369
Long-term assets:
Property, plant and equipment, net	112,213	110,402
Intangible assets, net	62,032	75,243
Goodwill	36,717	38,419
Investments and other long-term assets, net	28,380	31,604
Total long-term assets	239,342	255,668
Total assets	559,519	559,037
Current liabilities:
Current portion of debt	1,533	4,192
Accounts payable	87,894	79,386
Accrued expenses and other current liabilities	57,880	52,546
Total current liabilities	147,307	136,124
Long-term liabilities:
Revolving credit facility	96,000	121,000
Long-term debt, net	983	3,852
Deferred income taxes	14,895	18,874
Other long-term liabilities	17,068	35,115
Total long-term liabilities	128,946	178,841
Shareholders' equity:
Preferred Shares, without par value, 5,000 shares authorized, none issued
Common Shares, without par value, 60,000 shares authorized, 28,966 and 28,966 shares issued and 28,488 and 28,180 shares outstanding at December 31, 2018 and 2017, respectively, with no stated value
Additional paid-in capital	231,647	228,486
Common Shares held in treasury, 478 and 786 shares at December 31, 2018 and 2017, respectively, at cost	(8,880)	(7,118)
Retained earnings	146,251	92,264
Accumulated other comprehensive loss	(85,752)	(69,560)
Total shareholders' equity	283,266	244,072
Total liabilities and shareholders' equity	$ 559,519	$ 559,037

CONSOLIDATED BALANCE SHEETS (Pa

CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Statement Of Financial Position [Abstract]
Accounts receivable, reserves (in dollars)	$ 1,243	$ 1,109
Preferred shares, no par value	$ 0	$ 0
Preferred shares, authorized	5,000,000	5,000,000
Preferred shares, issued	0	0
Common shares, no par value	$ 0	$ 0
Common shares, authorized	60,000,000	60,000,000
Common shares, issued	28,966,000	28,966,000
Common shares, outstanding	28,488,000	28,180,000
Common shares held in treasury, shares	478,000	786,000

CONSOLIDATED STATEMENTS OF OPER

CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Income Statement [Abstract]
Net sales	$ 866,199	$ 824,444	$ 695,977
Costs and expenses:
Cost of goods sold	609,568	576,304	500,538
Selling, general and administrative	138,553	141,893	111,145
Design and development	51,074	48,877	40,212
Operating income	67,004	57,370	44,082
Interest expense, net	4,720	5,783	6,277
Equity in earnings of investee	(2,038)	(1,636)	(1,233)
Other (income) expense, net	(736)	641	(147)
Income before income taxes	65,058	52,582	39,185
Provision (benefit) for income taxes	11,210	7,533	(36,389)
Income from continuing operations	53,848	45,049	75,574
Net income	53,848	45,049	75,574
Net loss attributable to noncontrolling interest		(130)	(1,887)
Net income attributable to Stoneridge, Inc.	$ 53,848	$ 45,179	$ 77,461
Earnings per share attributable to Stoneridge, Inc.:
Basic (in dollars per share)	$ 1.90	$ 1.61	$ 2.79
Diluted (in dollars per share)	$ 1.85	$ 1.57	$ 2.74
Weighted-average shares outstanding:
Basic (in shares)	28,402,227	28,082,114	27,763,990
Diluted (in shares)	29,079,826	28,771,645	28,308,922

CONSOLIDATED STATEMENTS OF COMP

CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Statement Of Other Comprehensive Income [Abstract]
Net income (loss)		$ 53,848	$ 45,049	$ 75,574
Less: Net loss attributable to noncontrolling interest			(130)	(1,887)
Net income attributable to Stoneridge, Inc.		53,848	45,179	77,461
Other comprehensive (loss) income, net of tax attributable to Stoneridge, Inc.:
Foreign currency translation		(16,627)	15,473	2,401
Benefit plan adjustment				(84)
Unrealized gain (loss) on derivatives	[1]	435	(125)	(408)
Other comprehensive (loss) income, net of tax attributable to Stoneridge, Inc.		(16,192)	15,348	1,909
Comprehensive income attributable to Stoneridge, Inc.		37,656	60,527	79,370
Tax expense (benefit) for unrealized gain (loss) on derivatives		$ 156	$ (68)	$ (10)
[1]	Net of tax expense (benefit) of $156, $(68) and $(10) for the years ended December 31, 2018, 2017 and 2016, respectively.

CONSOLIDATED STATEMENTS OF CASH

CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
OPERATING ACTIVITIES:
Net income	$ 53,848	$ 45,049	$ 75,574
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	22,786	21,490	19,998
Amortization, including accretion of deferred financing costs	6,731	6,764	3,615
Deferred income taxes	2,552	(5,959)	(38,747)
Earnings of equity method investee	(2,038)	(1,636)	(1,233)
Loss (gain) on fixed assets	333	(1,796)	48
Share-based compensation expense	5,632	7,265	6,134
Tax provision (benefit) related to share-based compensation expense	(1,584)	(858)	(977)
Impairment of Goodwill	0	0	0
Change in fair value of earn-out contingent consideration	213	7,485
Intangible impairment charge	202
Changes in operating assets and liabilities, net of effect of business combination:
Accounts receivable, net	(3,575)	(15,156)	(18,694)
Inventories, net	(10,002)	(2,132)	4,519
Prepaid expenses and other assets	2,291	(10,177)	2,652
Accounts payable	11,054	10,492	10,980
Accrued expenses and other liabilities	(7,671)	18,077	1,408
Net cash provided by operating activities	80,772	78,908	65,277
INVESTING ACTIVITIES:
Capital expenditures	(29,027)	(32,170)	(24,476)
Proceeds from sale of fixed assets	111	77	652
Insurance proceeds for fixed assets	1,403	711
Business acquisition, net of cash acquired		(77,258)
Investment in venture capital fund	(437)
Net cash used for investing activities	(27,950)	(108,640)	(23,824)
FINANCING ACTIVITIES:
Acquisition of noncontrolling interest, including transaction costs		(1,848)
Revolving credit facility borrowings	27,500	95,000
Revolving credit facility payments	(52,500)	(41,000)	(33,000)
Proceeds from issuance of debt	415	2,748	16,223
Repayments of debt	(5,071)	(11,573)	(25,748)
Other financing costs		(61)	(399)
Repurchase of Common Shares to satisfy employee tax withholding	(4,214)	(2,481)	(1,424)
Tax benefits related to share-based compensation expense			977
Net cash (used for) provided by financing activities	(33,870)	40,785	(43,371)
Effect of exchange rate changes on cash and cash equivalents	(3,863)	4,561	(2,054)
Net change in cash and cash equivalents	15,089	15,614	(3,972)
Cash and cash equivalents at beginning of period	66,003	50,389	54,361
Cash and cash equivalents at end of period	81,092	66,003	50,389
Supplemental disclosure of cash flow information:
Cash paid for interest	4,997	5,746	5,786
Cash paid for income taxes, net	$ 13,213	$ 7,093	3,386
Supplemental disclosure of non-cash operating and financing activities:
Bank payment of vendor payables under short-term debt obligations			$ 3,764

CONSOLIDATED STATEMENTS OF SHAR

CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($) shares in Thousands, $ in Thousands	Number of Common Shares outstanding	Treasury Shares	Additional Paid-In Capital	Retained earnings (accumulated deficit)	Accumulated other comprehensive loss	Noncontrolling interest	Total
Balance at Dec. 31, 2015		$ (4,208)	$ 199,254	$ (32,105)	$ (69,822)	$ 13,310	$ 106,429
Common Stock, Shares, Outstanding, Beginning Balance at Dec. 31, 2015	27,912
Treasury Stock, Shares, Beginning Balance at Dec. 31, 2015		995
Net income (loss)				77,461		(1,887)	75,574
Benefit plan liability adjustments, net					(84)		(84)
Unrealized gain (loss) on derivatives					(408)		(408)	[1]
Currency translation adjustments					2,401	2,339	4,740
Issuance of restricted Common Shares ( in shares)	67	(8)
Forfeited restricted Common Shares ( in shares)	(3)	3
Repurchased Common Shares for treasury		$ (1,424)					(1,424)
Repurchased Common Shares for treasury (in shares)	(126)	126
Tax benefit from share based compensation transactions			977				977
Share-based compensation			6,273				6,273
Balance at Dec. 31, 2016		$ (5,632)	206,504	45,356	(67,913)	13,762	192,077
Common Stock, Shares, Outstanding, Ending Balance at Dec. 31, 2016	27,850
Treasury Stock, Shares, Ending Balance at Dec. 31, 2016		1,116
Net income (loss)				45,179		(130)	45,049
Unrealized gain (loss) on derivatives					(125)		(125)	[1]
Currency translation adjustments					15,473	826	16,299
Acquisition of noncontrolling interest, net			15,820		(16,995)	$ (14,458)	(15,633)
Issuance of restricted Common Shares ( in shares)	462	(462)
Repurchased Common Shares for treasury		$ (1,486)					(1,486)
Repurchased Common Shares for treasury (in shares)	(132)	132
Share-based compensation			6,162				6,162
Balance at Dec. 31, 2017		$ (7,118)	228,486	92,264	(69,560)		$ 244,072
Common Stock, Shares, Outstanding, Ending Balance at Dec. 31, 2017	28,180						28,180
Treasury Stock, Shares, Ending Balance at Dec. 31, 2017		786					786
Cumulative effect of a accounting change | ASU 2016-09				1,729			$ 1,729
Net income (loss)				53,848			53,848
Unrealized gain (loss) on derivatives					435		435	[1]
Currency translation adjustments					(16,627)		(16,627)
Issuance of restricted Common Shares ( in shares)	461	(461)
Repurchased Common Shares for treasury		$ (1,762)					(1,762)
Repurchased Common Shares for treasury (in shares)	(153)	153
Share-based compensation			3,161				3,161
Balance at Dec. 31, 2018		$ (8,880)	$ 231,647	146,251	$ (85,752)		$ 283,266
Common Stock, Shares, Outstanding, Ending Balance at Dec. 31, 2018	28,488						28,488
Treasury Stock, Shares, Ending Balance at Dec. 31, 2018		478					478
Cumulative effect of a accounting change				$ 139			$ 139
[1]	Net of tax expense (benefit) of $156, $(68) and $(10) for the years ended December 31, 2018, 2017 and 2016, respectively.

Organization and Nature of Busi

Organization and Nature of Business	12 Months Ended
	Dec. 31, 2018
Basis of Presentation [Abstract]
Organization and Nature of Business	1. Organization and Nature of Business Stoneridge, Inc. and its subsidiaries are global designers and manufacturers of highly engineered electrical and electronic components, modules and systems for the automotive, commercial, off-highway, motorcycle and agricultural vehicle markets.

Summary of Significant Accounti

Summary of Significant Accounting Policies	12 Months Ended
	Dec. 31, 2018
Summary of Significant Accounting Policies [Abstract]
Summary of Significant Accounting Policies	2. Summary of Significant Accounting Policies Basis of Presentation The accompanying consolidated financial statements include the accounts of Stoneridge, Inc. and its wholly-owned and majority-owned subsidiaries (collectively, the “Company”). Intercompany transactions and balances have been eliminated in consolidation. The Company analyzes its ownership interests in accordance with Accounting Standards Codification (“ASC”) “Consolidations (Topic 810)” to determine whether they are a variable interest entity and, if so, whether the Company is the primary beneficiary. On January 31, 2017, the Company acquired Exploitatiemaatschappij Berghaaf B.V. (“Orlaco”), an electronics business which designs, manufactures and sells camera-based vision systems, monitors and related products. The acquisition was accounted for as a business combination, and accordingly, the Company’s consolidated financial statements herein include the results of Orlaco from the date of acquisition. See Acquisitions in Note 2 below to the consolidated financial statements for additional details regarding the Orlaco acquisition. The Company had a 74% controlling interest in PST Eletrônica Ltda. (“ PST”) from December 31, 2011 through May 15, 2017. On May 16, 2017, the Company acquired the remaining 26% noncontrolling interest in PST, which was accounted for as an equity transaction. As such, PST is now a wholly owned subsidiary. See Note 4 to the consolidated financial statements for additional details regarding the acquisition of PST’s noncontrolling interest. The Company’s investment in Minda Stoneridge Instruments Ltd. (“MSIL”) for the years ended December 31, 2018, 2017 and 2016 has been determined to be an unconsolidated entity, and therefore is accounted for under the equity method of accounting based on the Company’s 49% ownership in MSIL. Accounting Estimates The preparation of financial statements in conformity with U.S. Generally Accepted Accounting Principles (“GAAP”) requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, including certain self-insured risks and liabilities, disclosure of contingent assets and liabilities at the date of the consolidated financial statements and the reported amounts of revenues and expenses during the reporting period. Because actual results could differ from those estimates, the Company revises its estimates and assumptions as new information becomes available. Cash and Cash Equivalents The Company’s cash and cash equivalents include actively traded money market funds with short-term investments in marketable securities, primarily U.S. government securities. Cash and cash equivalents are stated at cost, which approximates fair value, due to the highly liquid nature and short-term duration of the underlying securities with original maturities of 90 days or less. Accounts Receivable and Concentration of Credit Risk Revenues are principally generated from the automotive, commercial, off-highway, motorcycle and agricultural vehicle markets. The Company’s largest customers are Ford Motor Company and Volvo, primarily related to the Control Devices and Electronics reportable segments and accounted for the following percentages of consolidated net sales for the years ended December 31, 2018, 2017 and 2016: Ford Motor Company 12 % 14 % 17 % Volvo 8 % 6 % 6 % Accounts receivable are recorded at the invoice price, net of an estimate of allowance for doubtful accounts and other reserves. Allowance for Doubtful Accounts The Company evaluates the collectability of accounts receivable based on a combination of factors. In circumstances where the Company is aware of a specific customer’s inability to meet its financial obligations, a specific allowance for doubtful accounts is recorded against amounts due to reduce the net recognized receivable to the amount the Company reasonably believes will be collected. Additionally, the Company reviews historical trends for collectability in determining an estimate for its allowance for doubtful accounts. If economic circumstances change substantially, estimates of the recoverability of amounts due to the Company could be reduced by a material amount. The Company does not have collateral requirements with its customers. Sales of Accounts Receivable In prior years, the Company’s PST segment sold selected accounts receivable on a full recourse basis to an unrelated financial institution in Brazil. PST accounts for these transactions as sales of accounts receivable. As such, in accordance with ASC 860, “Transfers and Servicing”, the sales of accounts receivable are reflected as a reduction of accounts receivable in the consolidated balance sheets and the loss on sale is recorded within interest expense, net in the consolidated statements of operations while the proceeds received from the sale are included in the cash flows from operating activities in the consolidated statements of cash flows. During 2017, PST sold $2,520 (7,983 Brazilian real (“R$”)) of accounts receivable at a loss of $86 (R$273), which represents the implicit interest on the transaction, and received proceeds of $2,434 (R$7,710). PST did not have any remaining credit exposure at December 31, 2017 related to the receivables sold. During 2018, PST did not sell any of its accounts receivable. Inventories Inventories are valued at the lower of cost (using either the first-in, first-out (“FIFO”) or average cost methods) or net realizable value. The Company evaluates and adjusts as necessary its excess and obsolescence reserve on a quarterly basis. Excess inventories are quantities of items that exceed anticipated sales or usage for a reasonable period. The Company has guidelines for calculating provisions for excess inventories based on the number of months of inventories on hand compared to anticipated sales or usage. Management uses its judgment to forecast sales or usage and to determine what constitutes a reasonable period. Inventory cost includes material, labor and overhead. Inventories consist of the following: December 31, Raw materials $ 54,382 $ 47,588 Work-in-progress 4,710 5,806 Finished goods 20,186 20,077 Total inventories, net $ 79,278 $ 73,471 Inventory valued using the FIFO method was $64,745 and $54,837 at December 31, 2018 and 2017, respectively. Inventory valued using the average cost method was $14,533 and $18,634 at December 31, 2018 and 2017, respectively. Pre-production Costs Related to Long-term Supply Arrangements Engineering, research and development and other design and development costs for products sold on long-term supply arrangements are expensed as incurred unless the Company has a contractual guarantee for reimbursement from the customer which are capitalized as pre-production costs. Costs for molds, dies and other tools used to make products sold on long-term supply arrangements for which the Company either has title to the assets or has the noncancelable right to use the assets during the term of the supply arrangement are capitalized in property, plant and equipment and amortized to cost of sales over the shorter of the term of the arrangement or over the estimated useful lives of the assets, typically three to five years. Costs for molds, dies and other tools used to make products sold on long-term supply arrangements for which the Company has a contractual guarantee to a lump sum reimbursement from the customer are capitalized either as a component of prepaid expenses and other current assets or an investment and other long term assets, net within the consolidated balance sheets. Capitalized pre-production costs were $6,875 and $9,260 at December 31, 2018 and 2017, respectively. At December 31, 2018 and 2017, $6,875 and $8,894 were recorded as a component of prepaid expenses and other current assets on the consolidated balance sheets while the remaining amounts were recorded as a component of investments and other long term assets, net. Acquisitions Orlaco On January 31, 2017, Stoneridge B.V., an indirect wholly-owned subsidiary of Stoneridge, Inc., acquired Orlaco. Orlaco designs, manufactures and sells camera-based vision systems, monitors and related products primarily to the heavy off-road machinery, commercial vehicle, lifting crane and warehousing and logistics industries. Stoneridge and Orlaco jointly developed the MirrorEye camera monitor system, which is a system solution to improve the safety and fuel economy for commercial vehicles. The MirrorEye camera monitor system integrates Orlaco’s vision processing technology and Stoneridge’s driver information capabilities as well as the combined software capabilities of both businesses. The acquisition of Orlaco enhances the Stoneridge’s Electronics segment global technical capabilities in vision systems and facilitates entry into new markets. The aggregate consideration for the Orlaco acquisition was €74,939 ($79,675), which included customary estimated adjustments to the purchase price. The Company paid €67,439 ($71,701) in cash. The purchase price was subject to certain customary adjustments set forth in the purchase agreement. The Company is required to pay an additional amount up to €7,500 as contingent consideration (“earn-out consideration”) if certain performance targets are achieved during the first two years. See Note 9 for additional details on the Orlaco contingent consideration. The acquisition date fair value of the total consideration transferred consisted of the following: Cash $ 79,675 Fair value of earn-out consideration and other adjustments 4,208 Total purchase price $ 83,883 The following table summarizes the final fair value of the assets acquired and liabilities assumed at the acquisition date (including measurement period adjustments): At January 31, 2017 Cash $ 2,165 Accounts receivable 7,929 Inventory 9,409 Prepaid and other current assets 298 Property, plant and equipment 6,668 Identifiable intangible assets 38,739 Other long-term assets 6 Total identifiable assets acquired 65,214 Accounts payable 3,020 Other current liabilities 834 Deferred tax liabilities 10,206 Warranty liability 899 Total liabilities assumed 14,959 Net identifiable assets acquired 50,255 Goodwill 33,628 Net assets acquired $ 83,883 Assets acquired and liabilities assumed were recorded at estimated fair values based on management’s estimates, available information, and reasonable and supportable assumptions. Also, the Company utilized a third-party to assist with certain estimates of fair values, including: · Fair value estimate for inventory was based on a comparative sales method · Fair value estimate for property, plant and equipment was based on appraised values utilizing cost and market approaches · Fair values for intangible assets were based on a combination of market and income approaches, including the relief from royalty method · Fair value for the earn-out consideration was based on a Monte Carlo simulation analysis utilizing forecasted earnings before interest, taxes, depreciation and amortization (“EBITDA”) for the 2017 and 2018 earn-out period as well as a growth rate reduced by the market required rate of return These fair value measurements are classified within Level 3 of the fair value hierarchy. See Note 10 for details on fair value hierarchy. Goodwill is calculated as the excess of the fair value of consideration transferred over the fair market value of the acquired identifiable assets and assumed liabilities and represents the future economic benefits arising from other assets acquired that could not be separately recognized. The goodwill is not deductible for income tax purposes. Of the $38,739 of acquired identifiable intangible assets, $27,518 was assigned to customer lists with a 15-year useful life; $5,142 was assigned to trademarks with a 20-year useful life; and $6,079 was assigned to technology with a 7-year weighted-average useful life. The Company recognized $1,259 of acquisition related costs in the consolidated statement of operations as a component of selling, general and administrative (“SG&A”) expense for the year ended December 31, 2017. There were no acquisition related costs for the year ended December 31, 2018. The Company’s statement of operations included $1,636 of expense in cost of goods sold (“COGS”) for the year ended December 31, 2017 associated with the step-up of the Orlaco inventory to fair value. The Company’s statement of operations included $369 and $4,853 of expense for the fair value adjustment for earn-out consideration in SG&A expenses for the year ended December 31, 2018 and 2017, respectively. The following unaudited pro forma information reflects the Company’s consolidated results of operations as if the acquisition had taken place on January 1, 2016. The unaudited pro forma information is not necessarily indicative of the results of operations that the Company would have reported had the transaction actually occurred at the beginning of these periods, nor is it necessarily indicative of future results. Year ended December 31 Net sales $ 829,474 $ 752,864 Net income attributable to Stoneridge, Inc. and subsidiaries $ 45,283 $ 8,218 Property, Plant and Equipment Property, plant and equipment are recorded at cost and consist of the following: December 31, Land and land improvements $ 4,619 $ 4,863 Buildings and improvements 37,234 37,581 Machinery and equipment 212,225 192,107 Office furniture and fixtures 9,929 10,070 Tooling 75,620 75,038 Information technology 27,179 27,466 Vehicles 872 881 Leasehold improvements 2,799 2,841 Construction in progress 23,064 24,312 Total property, plant, and equipment 393,541 375,159 Less: accumulated depreciation (281,328) (264,757) Property, plant and equipment, net $ 112,213 $ 110,402 Depreciation is provided using the straight-line method over the estimated useful lives of the assets. Depreciation expense for the years ended December 31, 2018, 2017 and 2016 was $22,786, $21,490 and $19,998, respectively. Depreciable lives within each property classification are as follows: Buildings and improvements 10-40 years Machinery and equipment 3-10 years Office furniture and fixtures 3-10 years Tooling 2-5 years Information technology 3-7 years Vehicles 3-5 years Leasehold improvements shorter of lease term or 3-10 years Maintenance and repair expenditures that are not considered improvements and do not extend the useful life of the property, plant and equipment are charged to expense as incurred. Expenditures for improvements and major renewals are capitalized. When assets are retired or otherwise disposed of, the related cost and accumulated depreciation are removed from the accounts, and any gain or loss on the disposition is recorded in the consolidated statements of operations as a component of SG&A expenses. Impairment of Long-Lived or Finite-Lived Assets The Company reviews the carrying value of its long-lived assets and finite-lived intangible assets for impairment when events or circumstances indicate that their carrying value may not be recoverable. Factors the Company considers important that could trigger testing of the related asset groups for an impairment include current period operating or cash flow losses combined with a history of operating or cash flow losses, a projection or forecast that demonstrates continuing losses, significant adverse changes in the business climate within a particular business or current expectations that a long-lived asset will be sold or otherwise disposed of significantly before the end of its estimated useful life. To test for impairment, the estimated undiscounted cash flows expected to be generated from the use and disposal of the asset or asset group is compared to its carrying value. An asset group is established by identifying the lowest level of cash flows generated by the group of assets that are largely independent of cash flows of other assets. If cash flows cannot be separately and independently identified for a single asset, we will determine whether an impairment has occurred for the group of assets for which we can identify projected cash flows. If these undiscounted cash flows are less than their respective carrying values, an impairment charge would be recognized to the extent that the carrying values exceed estimated fair values. The estimation of undiscounted cash flows and fair value requires us to make assumptions regarding future operating results over the life of the asset or the life of the primary asset in the asset group. The results of the impairment testing are dependent on these estimates which require judgment. The occurrence of certain events, including changes in economic and competitive conditions, could impact cash flows eventually realized and management’s ability to accurately assess whether an asset is impaired. Goodwill and Other Intangible Assets Goodwill The total purchase price associated with acquisitions is allocated to the acquisition date fair values of identifiable assets acquired and liabilities assumed with the excess purchase price assigned to goodwill. Goodwill was $36,717 and $38,419 at December 31, 2018 and 2017, respectively, all of which relates to the Electronics segment. Goodwill is not amortized, but instead is tested for impairment at least annually, or earlier when events and circumstances indicate that it is more likely than not that such assets have been impaired, by applying a fair value-based test. In conducting our annual impairment assessment testing, we first perform a qualitative assessment of whether it is more likely than not that a reporting unit’s fair value is less than its carrying amount. If not, no further goodwill impairment testing is performed. If it is more likely than not that a reporting unit’s fair value is less than its carrying amount, or if we elect not to perform a qualitative assessment of a reporting unit, we then compare the fair value of the reporting unit to the related net book value. If the net book value of a reporting unit exceeds its fair value, an impairment loss is measured and recognized. The Company utilizes an income statement approach to estimate the fair value of a reporting unit and a market valuation approach to further support this analysis. The income approach is based on projected debt-free cash flow which is discounted to the present value using discount factors that consider the timing and risk of cash flows. We believe that this approach is appropriate because it provides a fair value estimate based on the reporting unit’s expected long-term operating cash flow performance. This approach also mitigates the impact of cyclical trends that occur in the industry. Fair value is estimated using internally developed forecasts, as well as commercial and discount rate assumptions. The discount rate used is the value-weighted average of our estimated cost of equity and of debt (“cost of capital”) derived using both known and estimated customary market metrics. Our weighted average cost of capital is adjusted to reflect a risk factor, if necessary. Other significant assumptions include terminal value growth rates, terminal value margin rates, future capital expenditures and changes in future working capital requirements. While there are inherent uncertainties related to the assumptions used and to management’s application of these assumptions to this analysis, we believe that the income statement approach provides a reasonable estimate of the fair value of a reporting unit. The market valuation approach is used to further support our analysis. There was no impairment of goodwill for the years ended December 31, 2018, 2017 or 2016. Goodwill and changes in the carrying amount of goodwill by segment for the years ended December 31, 2018 and 2017 were as follows: Electronics Balance at January 1, 2018 $ 38,419 Currency translation (1,702) Balance at December 31, 2018 $ 36,717 Electronics Balance at January 1, 2017 $ 931 Acquisition of business 33,628 Currency translation 3,860 Balance at December 31, 2017 $ 38,419 The Company’s cumulative goodwill impairment loss since inception was $300,083 at December 31, 2018 and 2017, which includes PST’s goodwill impairment in 2014 and goodwill impairment recorded by the Company’s Control Devices segment in 2008 and 2004. Other Intangible Assets Other intangible assets, net at December 31, 2018 and 2017 consisted of the following: Acquisition Accumulated As of December 31, 2018 cost amortization Net Customer lists $ 52,200 $ (14,549) $ 37,651 Tradenames 20,689 (5,884) 14,805 Technology 15,581 (6,005) 9,576 Total $ 88,470 $ (26,438) $ 62,032 Acquisition Accumulated As of December 31, 2017 cost amortization Net Customer lists $ 57,672 $ (12,695) $ 44,977 Tradenames 23,546 (5,646) 17,900 Technology 17,443 (5,077) 12,366 Other 41 (41) - Total $ 98,702 $ (23,459) $ 75,243 Other intangible assets, net at December 31, 2018 for customer lists, tradenames, and technology include $25,501, $4,939 and $4,566, respectively, related to the Electronics segment and customer lists, tradenames and technology of $12,150, $9,866 and $5,010, respectively, related to the PST segment. The Company recognized $6,406, $6,440 and $3,259 of amortization expense related to intangible assets in 2018, 2017 and 2016, respectively. Amortization expense is included as a component of SG&A on the consolidated statements of operations. Annual amortization expense for intangible assets is estimated to be approximately $6,205 for the years 2019 through 2023. The weighted-average remaining amortization period is approximately 12 years. For the year ended December 31, 2018 the Company recognized $202 of intangible impairment charge related to the Electronics segment customer lists as a result of the European Aftermarket restructuring as noted in Note 13. There were no intangible impairment charges for the year ended December 31, 2017. Accrued Expenses and Other Current Liabilities Accrued expenses and other current liabilities consist of the following: As of December 31 Compensation related liabilities $ 18,717 $ 22,429 Contingent consideration (A) 8,602 - Product warranty and recall obligations 7,211 6,867 Accrued income taxes 1,507 6,897 Other (B) 21,843 16,353 Total accrued expenses and other current liabilities $ 57,880 $ 52,546 (A) Accrued contingent consideration includes the Orlaco contingent consideration, as referenced in Note 2 and Note 10, and is included in accrued expenses and other current liabilities for the year ended December 31, 2018 and was included in other long-term liabilities for the year ended December 31, 2017. (B) “Other” is comprised of miscellaneous accruals, none of which individually contributed a significant portion of the total. Income Taxes The Company accounts for income taxes using the liability method. Deferred income taxes reflect the tax consequences on future years of differences between the tax basis of assets and liabilities and their financial reporting amounts. Future tax benefits are recognized to the extent that realization of such benefits is more likely than not to occur. The effect of a change in tax rates on deferred tax assets and liabilities is recognized in the period that includes the enactment date. Deferred tax assets are recognized to the extent that these assets are more likely than not to be realized (See Note 6). In making such a determination, the Company considers all available positive and negative evidence, including future release of existing taxable temporary differences, projected future taxable income, tax planning strategies, and results of recent operations. Release of some or all of a valuation allowance would result in the recognition of certain deferred tax assets and a decrease to income tax expense for the period the release is recorded. The Company’s policy is to provide for uncertain tax positions and the related interest and penalties based upon management’s assessment of whether a tax benefit is more likely than not to be sustained upon examination by tax authorities. To the extent the Company prevails in matters for which a liability for an unrecognized tax benefit is established or is required to pay amounts in excess of the liability, the Company’s effective tax rate in a given financial statement period may be affected. The Tax Legislation created a provision known as Global Intangible Low-Taxed Income (“GILTI”) that imposes a tax on certain earnings of foreign subsidiaries. The Company has made an accounting policy election to reflect GILTI taxes, if any, as a current income tax expense in the period incurred. Currency Translation The financial statements of foreign subsidiaries, where the local currency is the functional currency, are translated into U.S. dollars using exchange rates in effect at the period end for assets and liabilities and average exchange rates during each reporting period for the results of operations. Adjustments resulting from translation of financial statements are reflected as a component of accumulated other comprehensive loss in the Company’s consolidated balance sheets. Foreign currency transactions are remeasured into the functional currency using translation rates in effect at the time of the transaction with the resulting adjustments included on the consolidated statements of operations within other expense, net. These foreign currency transaction losses (gains), including the impact of hedging activities, were $(487), $500 and $(268) for the years ended December 31, 2018, 2017 and 2016, respectively. Revenue Recognition and Sales Commitments The Company recognizes revenue when obligations under the terms of a contract with our customer are satisfied; generally this occurs with the transfer of control of our products and services, which is usually when the parts are shipped or delivered to the customer’s premises. The Company recognizes monitoring service revenues over time, as the services are provided to customers. Revenue is measured as the amount of consideration we expect to receive in exchange for transferring goods or providing services. The transaction price will include estimates of variable consideration to the extent it is probable that a significant reversal of revenue recognized will not occur. Incidental items that are not significant in the context of the contract are recognized as expense. The Company collects certain taxes and fees on behalf of government agencies and remits such collections on a periodic basis. The taxes are collected from customers but are not included in net sales. Estimated returns are based on historical authorized returns. The Company often enters into agreements with its customers at the beginning of a given vehicle’s expected production life. Once such agreements are entered into, it is the Company’s obligation to fulfill the customers’ purchasing requirements for the entire production life of the vehicle. These agreements are subject to potential renegotiation from time to time, which may affect product pricing. See Note 3 for additional disclosure. Shipping and Handling Costs Shipping and handling costs are included in COGS on the consolidated statements of operations. Product Warranty and Recall Reserves Amounts accrued for product warranty and recall claims are established based on the Company’s best estimate of the amounts necessary to settle existing and future claims on products sold as of the balance sheet dates. These accruals are based on several factors including past experience, production changes, industry developments and various other considerations including insurance coverage. The Company can provide no assurances that it will not experience material claims or that it will not incur significant costs to defend or settle such claims beyond the amounts accrued or beyond what the Company may recover from its suppliers. The current portion of the product warranty and recall reserve is included as a component of accrued expenses and other current liabilities on the consolidated balance sheets. Product warranty and recall includes $3,283 and $3,112 of a long-term liability at December 31, 2018 and 2017, respectively, which is included as a component of other long-term liabilities on the consolidated balance sheets. The following provides a reconciliation of changes in the product warranty and recall reserve: Year ended December 31, Product warranty and recall at beginning of period $ 9,979 $ 9,344 Accruals for warranties established during period 6,217 4,933 Assumed warranty liability related to Orlaco - 899 Aggregate changes in pre-existing liabilities due to claim developments 646 4,899 Settlements made during the period (5,831) (10,407) Foreign currency translation (517) 311 Product warranty and recall at end of period $ 10,494 $ 9,979 Design and Development Costs Expenses associated with the development of new products, and changes to existing products are charged to expense as incurred, and are included in the Company’s consolidated statements of operations as a separate component of costs and expenses. These product development costs amounted to $51,074, $48,877 and $40,212 for the years ended December 31, 2018, 2017 and 2016, respectively, or 5.9%, 5.9% and 5.8% of net sales for these respective periods. Research and Development Activities The Company enters into research and development contracts with certain customers, which generally provide for reimbursement of costs. The Company incurred and was reimbursed for contracted research and development costs of $16,540, $14,946 and $12,764 for the years ended December 31, 2018, 2017 and 2016, respectively. Share-Based Compensation At December 31, 2018, the Company had two types of share-based compensation plans: (1) Long-Term Incentive Plan for employees and (2) the Amended Directors’ Restricted Shares Plan, for non-employee directors. The Long-Term Incentive Plan is made up of the Long-Term Incentive Plan which expired on June 30, 2007, the Amended and Restated Long-Term Incentive Plan, as amended, which expired on April 24, 2016 and the 2016 Long-Term Incentive Plan that was approved by shareholders on May 10, 2016, and expires on May 10, 2026. Total compensation expense recognized as a component of SG&A expense on the consolidated statements of operations for share-based compensation arrangements was $5,632, including the forfeiture of certain grants associated with employee resignations, $7,265, related to higher attainment of performance-based awards and accelerated expense associated with the retirement of eligible employees, and $6,134, including $545 from the accelerated vesting in connection with the retirement of the Company’s former President and Chief Executive Officer, for the years ended December 31, 2018, 2017 and 2016, respectively. There was no share-based compensation expense capitalized in inventory during 2018, 2017 or 2016. Financial Instruments and Derivative Financial Instruments Financial instruments, including derivative financial instruments, held by the Company include cash and cash equivalents, accounts receivable, accounts payable, long-term debt and foreign currency forward contracts. The carrying value of cash and cash equivalents, accounts receivable and accounts payable is considered to be representative of fair value because of the short maturity of these instruments. See Note 10 for fair value disclosures of the Company’s financial instruments. Common Shares Held in Treasury The Company accounts for Common Shares held in treasury under the cost method (applied on a FIFO basis) and includes such shares as a reduction of total shareholders’ equity. Earnings Per Share Basic earnings per share was computed by dividing net income attributable to Stoneridge Inc. by the weighted-average number of Common Shares outstanding for each respective period. Diluted earnings per share was calculated by dividing net income attributable to Stoneridge, Inc. by the weighted-average of all potentially dilutive Common Shares that were outstanding during the periods presented. Actual weighted-average Common Shares outstanding used in calculating basic and diluted net income per share were as follows: Year ended December 31, Basic weighted-average Common Shares outstanding 28,402,227 28,082,114 27,763,990 Effect of dilutive shares 677,599 689,531 544,932 Diluted weighted-average Common Shares outstanding 29,079,826 28,771,645 28,308,922 There were no performance-based restricted Common Shares outstanding at December 31, 2018, 2017 or 2016. There were also 628,220, 766,538 and 843,140 performance-based right to receive Common Shares outstanding at December 31, 2018, 2017 and 2016. These performance-based restricted and right to receive

Revenue

Revenue	12 Months Ended
	Dec. 31, 2018
Revenue [Abstract]
Revenue	3. Revenue The Company adopted ASC 606 using the modified retrospective method as applied to customer contracts that were not completed as of January 1, 2018. As a result, financial information for reporting periods beginning after January 1, 2018 are presented under ASC 606, while comparative financial information has not been adjusted and continues to be reported in accordance with the Company’s historical accounting policy for revenue recognition prior to the adoption of ASC 606. The Company did not record a cumulative adjustment related to the adoption of ASC 606, and the effects of the adoption were not significant. Revenue is recognized when obligations under the terms of a contract with our customer are satisfied; generally this occurs with the transfer of control of our products and services, which is usually when the parts are shipped or delivered to the customer’s premises. Revenue is measured as the amount of consideration we expect to receive in exchange for transferring goods or providing services. The transaction price will include estimates of variable consideration to the extent it is probable that a significant reversal of revenue recognized will not occur. Incidental items that are not significant in the context of the contract are recognized as expense. The expected costs associated with our base warranties continue to be recognized as expense when the products are sold. Customer returns only occur if products do not meet the specifications of the contract and are not connected to any repurchase obligations of the Company. The Company does not have any financing components or significant payment terms as payment occurs shortly after the point of sale. Taxes assessed by a governmental authority that are both imposed on and concurrent with a specific revenue-producing transaction that are collected by the Company from a customer are excluded from revenue. Amounts billed to customers related to shipping and handling costs are included in net sales in the consolidated statements of operations. Shipping and handling costs associated with outbound freight after control over a product is transferred to the customer are accounted for as a fulfillment cost and are included in cost of sales. Revenue by Reportable Segment Control Devices. Our Control Devices segment designs and manufactures products that monitor, measure or activate specific functions within a vehicle. This segment includes product lines such as sensors, actuators, valves and switches. We sell these products principally to the automotive market in the North American, European, and Asia Pacific regions. To a lesser extent, we also sell these products to the commercial vehicle and agricultural markets in our North America and European regions. Our customers included in these markets primarily consist of original equipment manufacturers (“OEM”) and companies supplying components directly to the OEMs (“Tier 1 supplier”). Electronics. Our Electronics segment designs and manufactures electronic instrument clusters, electronic control units, driver information systems, camera-based vision systems, monitors and related products. These products are sold principally to the commercial vehicle market primarily through our OEM and aftermarket channels in the North American and European regions, and to a lesser extent, the Asia Pacific region. The camera-based vision systems and related products are sold principally to the off-highway vehicle market in the North American and European regions. PST. Our PST segment primarily serves the South American region and specializes in the design, manufacture and sale of in-vehicle audio and video devices, electronic vehicle security alarms, convenience accessories, vehicle tracking devices and monitoring services primarily for the automotive and motorcycle markets. PST sells its products through the aftermarket distribution channel, to factory authorized dealer installers, also referred to as original equipment services, direct to OEMs and through mass merchandisers. In addition, monitoring services and tracking devices are sold directly to corporate and individual consumers. The following tables disaggregate our revenue by reportable segment and geographical location (1) for the periods ended December 31, 2018 and 2017: Year ended Control Devices Electronics PST Consolidated December 31 Net Sales: North America $ 395,148 $ 409,596 $ 85,363 $ 62,174 $ - $ - $ 480,511 $ 471,770 South America - - - - 80,175 94,533 80,175 94,533 Europe 14,727 8,164 255,400 216,577 - - 270,127 224,741 Asia Pacific 31,422 29,768 3,964 3,632 - - 35,386 33,400 Total net sales $ 441,297 $ 447,528 $ 344,727 $ 282,383 $ 80,175 $ 94,533 $ 866,199 $ 824,444 (1) Company sales based on geographic location are where the sale originates not where the customer is located. Performance Obligations For OEM and Tier 1 supplier customers, the Company typically enters into contracts with its customers to provide serial production parts that consist of a set of documents including, but not limited to, an award letter, master purchase agreement and master terms and conditions. For each production product, the Company enters into separate purchase orders that contain the product specifications and an agreed-upon price. The performance obligation does not exist until a customer release is received for a specific number of parts. The majority of the parts sold to OEM and Tier 1 suppliers are specifically customized to the specific customer, with the exception of off-highway products that are common across all customers. The transaction price is equal to the contracted price per part and there is no expectation of material variable consideration in the transaction price. For most customer contracts, the Company does not have an enforceable right to payment at any time prior to when the parts are shipped or delivered to the customer; therefore, the Company recognizes revenue at the point in time it satisfies a performance obligation by transferring control of a part to the customer. Certain customer contracts contain an enforceable right to payment if the customer terminates the contract for convenience and therefore are recognized over time using the cost to complete input method. Our aftermarket products are focused on meeting the demand for repair and replacement parts, compliance parts and accessories and are sold primarily to aftermarket distributors and mass retailers in our South American, European and North American markets. Aftermarket products have one type of performance obligation which is the delivery of aftermarket parts and spare parts. For aftermarket customers, the Company typically has standard terms and conditions for all customers. In addition, aftermarket products have alternative use as they can be sold to multiple customers. Revenue for aftermarket part production contracts is recognized at a point in time when the control of the parts transfer to the customer which is based on the shipping terms. Aftermarket contracts may include variable consideration related to discounts and rebates and is included in the transaction price upon recognizing the product revenue. A small portion of the Company’s sales are comprised of monitoring services that include both monitoring devices and fees to individual, corporate, fleet and cargo customers in our PST segment. These monitoring service contracts are generally not capable of being distinct and are accounted for as a single performance obligation. We recognize revenue for our monitoring products and services contracts over the life of the contract. There is no variable consideration associated with these contracts. The Company has the right to consideration from a customer in the amount that corresponds directly with the value to the customer of the Company’s performance to date. Therefore the Company recognizes revenue over time using the practical expedient ASC 606-10-55-18 in the amount the Company has a “right to invoice” rather than selecting an output or input method.

Investments

Investments	12 Months Ended
	Dec. 31, 2018
Investments [Abstract]
Investments	4. Investments Minda Stoneridge Instruments Ltd. The Company has a 49% interest in MSIL, a company based in India that manufactures electronics, instrumentation equipment and sensors for the motorcycle, commercial vehicle and automotive markets. The investment is accounted for under the equity method of accounting. The Company’s investment in MSIL, recorded as a component of investments and other long-term assets, net on the consolidated balance sheets, was $11,288 and $10,131 as of December 31, 2018 and 2017, respectively. Equity in earnings of MSIL included in the consolidated statements of operations were $2,038, $1,636 and $1,233 for the years ended December 31, 2018, 2017 and 2016, respectively. PST Eletrônica Ltda. The Company had a 74% controlling interest in PST from December 21, 2011 through May 15, 2017. On May 16, 2017, the Company acquired the remaining 26% noncontrolling interest in PST for $1,500 in cash along with earn-out consideration. The Company will be required to pay additional earn-out consideration, which is not capped, based on PST’s financial performance in either 2020 or 2021. The preliminary estimated fair value of the earn-out consideration as of the acquisition date was $10,180, and was based on discounted cash flows utilizing forecasted EBITDA in 2020 and 2021. The Company’s statement of operations for the years ended December 31, 2018 and 2017 included $(156) and $2,632, respectively, of (income) expense for the fair value adjustment for earn-out consideration in SG&A expense. See Note 10 for the fair value and foreign currency adjustments of the earn-out consideration. This fair value measurement is classified within Level 3 of the fair value hierarchy. The transaction was accounted for as an equity transaction, and therefore no gain or loss was recognized in the statement of operations or comprehensive income. The noncontrolling interest balance on the May 16, 2017 acquisition date was $14,458, of which $31,453 and ($16,995) was related to the carrying value of the investment and foreign currency translation, respectively, and accordingly these amounts were reclassified to additional paid-in capital and accumulated other comprehensive loss, respectively. The following table sets forth a summary of the change in noncontrolling interest: Year ended December 31 Noncontrolling interest at beginning of period $ 13,762 $ 13,310 Net loss (130) (1,887) Foreign currency translation 826 2,339 Comprehensive income 696 452 Acquisition of noncontrolling interest (14,458) - Noncontrolling interest at end of period $ - $ 13,762 PST has dividends payable to former noncontrolling interest holders of R$23,204 Brazilian real ($5,980) and R$22,330 Brazilian real ($6,742) as of December 31, 2018 and 2017, respectively. The dividends payable balance includes monetary correction of R$2,752 Brazilian real ($709) and R$1,879 Brazilian real ($567) as of December 31, 2018 and 2017, respectively. The dividend is payable on or before January 1, 2020, and is subject to monetary correction based on the Brazilian National Extended Consumer Price inflation index (“IPCA”). The dividend payable related to PST is recorded within other current liabilities on the consolidated balance sheet. Other Investments In December 2018, the Company entered into an agreement to make a $10,000 investment in a fund managed by Autotech Ventures (“Autotech”), a venture capital firm focused on ground transportation technology. The Company’s $10,000 investment in the Autotech fund will be contributed over the expected ten year life of the fund. The fourth quarter of 2018 contribution of $437 to the Autotech Ventures fund was recorded in investments and other long-term assets in the consolidated balance sheet as of December 31, 2018.

Debt

Debt	12 Months Ended
	Dec. 31, 2018
Debt [Abstract]
Debt	5. Debt December 31, 2018 December 31, 2017 Interest rates at December 31, 2018 Maturity Revolving Credit Facility Credit Facility $ 96,000 $ 121,000 3.40% - 3.58% September 2021 Debt PST short-term obligations 989 - 10.0% - 11.27% PST long-term notes 1,527 8,016 November 2021 Other - 28 Total debt 2,516 8,044 Less: current portion (1,533) (4,192) Total long-term debt, net $ 983 $ 3,852 Revolving Credit Facility On November 2, 2007, the Company entered into an asset-based credit facility which permitted borrowing up to a maximum level of $100,000. The Company entered into an Amended and Restated Credit and Security Agreement and a Second Amended and Restated Credit and Security Agreement on September 20, 2010 and December 1, 2011, respectively. On September 12, 2014, the Company entered into a Third Amended and Restated Credit Agreement (the “Amended Agreement”). The Amended Agreement provides for a $300,000 revolving credit facility (the “Credit Facility”), which replaced the Company’s existing $100,000 asset-based credit facility and includes a letter of credit subfacility, swing line subfacility and multicurrency subfacility. The Amended Agreement also has an accordion feature which allows the Company to increase the availability by up to $80,000 upon the satisfaction of certain conditions. The Amended Agreement extended the termination date to September 12, 2019 from December 1, 2016. On March 26, 2015, the Company entered into Amendment No. 1 of the Amended Agreement which amended the definition of Consolidated EBITDA to allow for the add back of cash premiums and other non-cash charges related to the amendment and restatement of the Amended Agreement and the early extinguishment of the Company’s 9.5% Senior Notes totaling $10,507 both of which occurred in second half of 2014. Consolidated EBITDA is used in computing the Company’s leverage ratio and interest coverage ratio which are covenants within the Amended Agreement. On February 23, 2016, the Company entered into Amendment No. 2 of the Amended Agreement which amended and waived any default or potential defaults with respect to the pledging as collateral additional shares issued by a wholly owned subsidiary and newly issued shares associated with the formation of a new subsidiary. On August 12, 2016, the Company entered into Amendment No. 3 of the Amended Agreement which extended the expiration date by two years to September 12, 2021, increased the borrowing sub-limit for the Company’s foreign subsidiaries by $30,000 to $80,000, increased the basket of permitted loans and investments in foreign subsidiaries by $5,000 to $30,000, and provided additional flexibility to the Company for certain permitted corporate transactions involving its foreign subsidiaries as defined, in the Amended Agreement. As a result of Amendment No. 3, the Company capitalized deferred financing costs of $399, which will be amortized over the remaining term of the Credit Facility. On January 30, 2017, the Company entered into Consent and Amendment No. 4 to the Amended Agreement which amended certain definitions, schedules and exhibits of the Credit Facility, consented to a Dutch Reorganization, and consented to the Orlaco acquisition. As a result of Amendment No. 4, the Company capitalized deferred financing costs of $61, which will be amortized over the remaining term of the Credit Facility. On September 11, 2018, the Company entered into Amendment No. 5 to the Amended Agreement which extended financial accommodations to permit the Company to invest in certain funds in an amount that does not exceed $10,000. On October 26, 2018, the Company entered into Consent and Amendment No. 6 to the Amended Agreement which amended certain definitions, sections and schedules of the Credit Facility and consented to realignment of certain foreign subsidiaries, and permits the Company to repurchase the Company’s outstanding common shares in an amount that does not exceed $50,000. Borrowings under the Amended Agreement will bear interest at either the Base Rate, as defined, or the LIBOR Rate, at the Company’s option, plus the applicable margin as set forth in the Amended Agreement. The Company is also subject to a commitment fee ranging from 0.20% to 0.35% based on the Company’s leverage ratio. The Amended Agreement requires the Company to maintain a maximum leverage ratio of 3.00 to 1.00, and a minimum interest coverage ratio of 3.50 to 1.00 and places a maximum annual limit on capital expenditures. The Amended Agreement also contains other affirmative and negative covenants and events of default that are customary for credit arrangements of this type including covenants which place restrictions and/or limitations on the Company’s ability to borrow money, make capital expenditures and pay dividends. Borrowings outstanding on the Credit Facility at December 31, 2018 and 2017 were $96,000 and $121,000, respectively. Borrowings decreased under the Credit Facility due to voluntary principal repayments. The Company has outstanding letters of credit of $1,815 and $2,008 at December 31, 2018 and 2017, respectively. Debt PST maintains short-term and long-term notes used for working capital purposes which have fixed interest rates. The weighted-average interest rates of short-term and long-term debt of PST at December 31, 2018 was 10.45% and 8.00%, respectively. Depending on the specific note, interest is payable either monthly or annually. Scheduled maturities of PST debt at December 31, 2018 are as follows: $1,533 in 2019, $513 in 2020 and $470 in 2021. The Company’s wholly-owned subsidiary located in Stockholm, Sweden, has an overdraft credit line which allows overdrafts on the subsidiary’s bank account up to a maximum level of 20,000 Swedish krona, or $2,259 and $2,439 at December 31, 2018 and 2017, respectively. At December 31, 2018 and 2017, there was no balance outstanding on this overdraft credit line. The Company was in compliance with all Credit Facility and debt covenants at December 31, 2018 and 2017. At December 31, 2018, the future maturities of the Credit Facility and debt were as follows: Year ended December 31, 2019 $ 1,533 2020 513 2021 96,470 2022 - 2023 - Total $ 98,516

Income Taxes

Income Taxes	12 Months Ended
	Dec. 31, 2018
Income Taxes [Abstract]
Income Taxes	6. Income Taxes The income tax expense (benefit) included in the accompanying consolidated statement of operations represents federal, state and foreign income taxes. The components of income before income taxes and the provision for income taxes consist of the following: Year ended December 31 Income before income taxes: Domestic $ 32,907 $ 36,657 $ 35,088 Foreign 32,151 15,925 4,097 Total income before income taxes $ 65,058 $ 52,582 $ 39,185 Provision for income taxes: Current: Federal $ 2,370 $ 2,478 $ 760 State and foreign 6,288 11,014 2,575 Total current expense 8,658 13,492 3,335 Deferred: Federal $ 3,788 $ (2,585) $ (37,828) State and foreign (1,236) (3,374) (1,896) Total deferred benefit 2,552 (5,959) (39,724) Total income tax (benefit) expense $ 11,210 $ 7,533 $ (36,389) A reconciliation of the Company’s effective income tax rate to the statutory federal tax rate is as follows: Year ended December 31 Statutory U.S. federal income tax rate 21.0 % 35.0 % 35.0 % State income taxes, net of federal tax benefit 0.1 (0.8) 1.9 Tax credits and incentives (7.9) (4.2) (0.8) Foreign tax rate differential 1.1 (4.5) (4.7) Impact of change in enacted tax law (1.3) (17.2) - Change in valuation allowance (3.0) 4.2 (121.6) U.S. tax on foreign earnings 1.0 - - Compensation and benefits 1.3 (1.1) 0.3 Other (A) 4.9 2.9 (2.9) Effective income tax rate 17.2 % 14.3 % (92.8) % (A) The amount for 2018 includes the impact of reducing tax attributes due to legal entity consolidation which is completely offset with change in valuation allowance. The Company recognized income tax expense (benefit) of $11,210 or 17.2%, $7,533 or 14.3% and $(36,389) or (92.8)% of income before income taxes for federal, state and foreign income taxes for the years ended December 31, 2018, 2017 and 2016, respectively. The change in tax expense for the year ended December 31, 2018 compared to the same period for 2017 was predominantly due to the impact of the enactment of the Tax Legislation in the United States on December 22, 2017, and the release of the U.S. federal, certain state and foreign valuation allowances in 2016. The Tax Legislation significantly revises the U.S. corporate income tax by, among other things, lowering corporate income tax rates and imposing a one-time transition tax on deemed repatriated earnings of foreign subsidiaries. The impact of the Tax Legislation in 2017 was a tax benefit of $(9,062), consisting of an increase in tax expense of $6,207 due to the one-time deemed repatriation tax, offset by the favorable impact of the reduced tax rate on the Company’s net deferred tax liabilities and other deferred tax adjustments of $(15,269) related to certain earnings included in the one-time transition tax. Pursuant to the guidance within SEC Staff Accounting Bulletin No. 118 (“SAB 118”), as of December 31, 2017, the Company recognized the provisional effects of the enactment of the Tax Legislation for which measurement could be reasonably estimated. Adjustments to the provisional amounts recorded by the Company as of December 31, 2017 that are identified within a subsequent measurement period of up to one year from the enactment date are required to be included as an adjustment to tax expense from continuing operations in the period the amounts are determined. During 2018, the Department of Treasury issued additional guidance with respect to several provisions of the Tax Legislation. The Company completed its accounting for the effects of the Tax Legislation under SAB 118 and recognized a tax benefit of $(131) in the third quarter of 2018 and a tax expense of $710 in the fourth quarter of 2018. The adjustments to the provisional amounts are primarily related to the one-time transition tax and the impact of the reduced tax rate on the Company’s net deferred tax liabilities. The Tax Legislation also created a provision known as Global Intangible Low-Taxed Income (“GILTI”) that imposes a tax on certain earnings of foreign subsidiaries. The Company has made an accounting policy election to reflect GILTI taxes, if any, as a current income tax expense in the period incurred. The Company has not provided deferred taxes related to the earnings of certain foreign subsidiaries that are not considered indefinitely reinvested, however, it has recognized a deferred tax asset related to the expected foreign currency impact upon repatriation. Any foreign tax on repatriation of earnings not considered to be indefinitely reinvested is expected to be immaterial. At December 31, 2018, the aggregate undistributed earnings of our foreign subsidiaries amounted to $55,707. Significant components of the Company’s deferred tax assets and liabilities were as follows: As of December 31 Deferred tax assets: Inventories $ 2,135 $ 1,921 Employee compensation and benefits 1,225 2,647 Accrued liabilities and reserves 4,181 5,187 Property, plant and equipment 647 1,045 Tax loss carryforwards 8,437 10,929 Tax credit carryforwards 26,221 29,744 Other 410 416 Gross deferred tax assets 43,256 51,889 Less: Valuation allowance (8,962) (11,986) Deferred tax assets less valuation allowance 34,294 39,903 Deferred tax liabilities: Property, plant and equipment (2,545) (3,489) Intangible assets (16,683) (22,067) Outside basis difference in foreign subsidiary (13,750) (13,750) Other (4,090) (3,243) Gross deferred tax liabilities (37,068) (42,549) Net deferred tax liabilities $ (2,774) $ (2,646) The balance sheet classification of our net deferred tax asset is shown below: Year ended December 31 Long-term deferred tax assets $ 12,121 $ 16,228 Long-term deferred tax liabilities (14,895) (18,874) Net deferred tax liabilities $ (2,774) $ (2,646) Based on the Company’s review of both positive and negative evidence regarding the realizability of deferred tax assets at December 31, 2018, a valuation allowance continues to be recorded against certain deferred tax assets based upon the conclusion that it was more likely than not they would not be realized. The future provision for income taxes may be significantly impacted by changes to valuation allowances in certain countries. The Company has net operating loss carry forwards of $64,189 and $24,745 for state and foreign tax jurisdictions, respectively. The state net operating losses expire from 2025-2034 or have indefinite lives and the foreign net operating losses expire from 2019-2023 or have indefinite lives. The Company has general business and foreign tax credit carry forwards of $23,404, $1,493 and $1,324 for U.S. federal, state and foreign jurisdictions, respectively. The U.S. federal general business credits, if unused, begin to expire in 2024, and the state and foreign tax credits expire at various times. The following is a reconciliation of the Company’s total gross unrecognized tax benefits: Balance as of January 1 $ 3,645 $ 3,839 $ 4,304 Tax positions related to the current year: Additions - 31 208 Tax positions related to the prior years: Reductions (165) (176) (61) Expirations of statutes of limitation 1 (49) (612) Balance as of December 31 $ 3,481 $ 3,645 $ 3,839 At December 31, 2018, the Company has classified $32 as a noncurrent liability and $3,449 as a reduction to non-current deferred income tax assets. The amount of unrecognized tax benefits is not expected to change significantly during the next 12 months. If the Company’s tax positions are sustained by the taxing authorities in favor of the Company, the amount that would affect the Company’s effective tax rate is approximately $3,481 and $3,645 at December 31, 2018 and 2017, respectively. The Company classifies interest expense and, if applicable, penalties which could be assessed related to unrecognized tax benefits as a component of income tax expense (benefit). For the years ended December 31, 2018, 2017 and 2016, the Company recognized approximately $(13), $(33) and $(59) of gross interest and penalties, respectively. The Company has accrued approximately $19 and $32 for the payment of interest and penalties at December 31, 2018 and 2017, respectively. The Company conducts business globally and, as a result, files income tax returns in the U.S. federal jurisdiction and various state and foreign jurisdictions. In the normal course of business, the Company is subject to examination by taxing authorities throughout the world. The following table summarizes the open tax years for each jurisdiction: Jurisdiction Open Tax Years U.S. Federal 2015-2018 Argentina 2013-2018 Brazil 2013-2018 China 2015-2018 France 2016-2018 Germany 2015-2018 Italy 2013-2018 Mexico 2013-2018 Netherlands 2015-2018 Spain 2014-2018 Sweden 2013-2018 United Kingdom 2017-2018

Operating Lease Commitments

Operating Lease Commitments	12 Months Ended
	Dec. 31, 2018
Operating Lease Commitments [Abstract]
Operating Lease Commitments	7 . Operating Lease Commitments The Company leases equipment, vehicles and buildings from third parties under operating lease agreements. For the years ended December 31, 2018, 2017 and 2016, lease expense totaled $7,278, $6,261 , and $5,290, respectively. Future minimum operating lease commitments as of December 31, 2018 were as follows: Year ended December 31, 2019 $ 5,691 2020 4,131 2021 3,256 2022 2,444 2023 2,477 Thereafter 4,106 Total $ 22,105

Share-Based Compensation Plans

Share-Based Compensation Plans	12 Months Ended
	Dec. 31, 2018
Share-Based Compensation [Abstract]
Share-Based Compensation	8. Share-Based Compensation Plans In April 2006, the Company’s shareholders approved the Amended and Restated Long-Term Incentive Plan (the “2006 Plan”) and reserved 1,500,000 Common Shares of which the maximum number of Common Shares which may be issued subject to incentive stock options is 500,000. In May 2010, shareholders approved an amendment to the 2006 Plan to increase the number of shares by 1,500,000 to 3,000,000, and in May 2013, shareholders approved another amendment to this plan to increase the number of shares by 1,500,000 to 4,500,000. As the 2006 Plan expired in May 2016, there were no shares available for grant at December 31, 2018 or 2017. As of December 31, 2018, there are 295,381 shares granted subject to future vesting of which 107,510 shares were time-based and 187,871 were performance-based. In May 2016, the Company’s shareholders approved the 2016 Long-Term Incentive Plan (the “2016 Plan”) and reserved 1,800,000 Common Shares (of which the maximum number of Common Shares which may be issued). Under the 2016 Plan, as of December 31, 2018, the Company has granted 789,995 share units, of which 316,970 were time-based with cliff vesting using the straight-line method and 473,025 were performance-based. There are 1,063,691 shares available to be granted under the 2016 Plan at December 31, 2018. In 2016, pursuant to the 2006 Plan and in 2017 and 2018, pursuant to the 2016 Plan, the Company granted time-based and performance-based share units. The time-based share units cliff vest three years after the date of grant. The performance based share units vest and are no longer subject to forfeiture upon the recipient remaining an employee of the Company for three years from the date of grant and, for a portion of the annual awards, upon the Company attaining certain targets of performance measured against a peer group’s three year performance in terms of total shareholder return and, for the remaining portion of the annual awards, upon achieving certain earnings per share targets established by the Company during the performance period of the award. The allocation of performance shares granted between total shareholder return and earnings per share were as follows for the years ended December 31: Total shareholder return 55 % 55 % 55 % Earnings per share 45 % 45 % 45 % In April 2005, the Company adopted the Directors’ Restricted Shares Plan (the “Director Share Plan”) and reserved 500,000 Common Shares for issuance under the Director Share Plan. In May 2013, shareholders approved an amendment to the Director Share Plan to increase the number of shares for issuance by 200,000 to 700,000. In May 2018, the Company’s shareholders approved an amendment to the Director Share Plan to increase the number of shares for issuance by 150,000 to 850,000. Under the Director Share Plan, the Company has cumulatively issued 646,052 restricted Common Shares. As such, there are 203,948 restricted Common Shares available to be issued at December 31, 2018. Shares issued annually under the Director Share Plan vest one year after the date of grant. Restricted Shares The fair value of the non-vested time-based restricted Common Share awards was calculated using the market value of the Common Shares on the date of issuance. The weighted-average grant-date fair value of time-based restricted Common Shares granted during the years ended December 31, 2018, 2017 and 2016 was $24.69, $18.73 and $13.52, respectively. The fair value of the non-vested performance-based restricted Common Share awards with a performance condition requiring the Company to obtain certain earnings per share targets was estimated using the market value of the shares on the date of grant. The fair value of non-vested performance-based restricted Common Share awards with a market condition requiring the Company to obtain a total shareholder return target relative to a group of peer companies was estimated using a Monte Carlo valuation model taking into consideration the probability of achievement using multiple simulations. The awards that use earnings per share as the performance target are expensed beginning when it is probable that the Company will meet the underlying performance condition. A summary of the status of the Company’s non-vested share units as of December 31, 2018 and the changes during the year then ended, are presented below: Performance-based Time-based awards awards Weighted- Weighted- Common average grant Common average grant Shares date fair value Shares date fair value Non-vested as of December 31, 2017 443,152 $ 15.01 744,188 $ 14.92 Granted 176,116 $ 24.69 215,490 $ 29.41 Vested (182,451) $ 13.21 (284,462) $ 11.19 Forfeited or cancelled (16,821) $ 19.99 (46,996) $ 17.13 Non-vested as of December 31, 2018 419,996 $ 19.64 628,220 $ 21.41 A summary of the status of the Company’s non-vested share units as of December 31, 2017 and the changes during the year then ended, are presented below: Time-based awards Weighted- Performance-based Common average grant Common average grant Shares date fair value Shares date fair value Non-vested as of December 31, 2016 612,037 $ 12.32 825,140 $ 12.14 Granted 177,664 $ 18.73 217,495 $ 21.54 Vested (310,207) $ 12.05 (165,783) $ 11.72 Forfeited or cancelled (36,342) $ 13.23 (132,664) $ 12.52 Non-vested as of December 31, 2017 443,152 $ 15.01 744,188 $ 14.92 As of December 31, 2018, total unrecognized compensation cost related to non-vested time-based share units granted was $3,321. That cost is expected to be recognized over a weighted-average period of 1.16 years. For the years ended December 31, 2018, 2017 and 2016, the total fair value of awards vested was $12,577, $8,718 and $5,394, respectively. As of December 31, 2018, total unrecognized compensation cost related to non-vested performance-based share units granted was $3,481 for shares probable to vest. That cost is expected to be recognized over a weighted-average period of 1.18 years dependent upon the achievement of performance conditions. As noted above, the Company has issued and outstanding performance-based restricted Common Share awards that use different performance targets (total shareholder return and earnings per share). The tax benefit realized for the tax deductions from the vesting of restricted Common Shares of the share-based payment arrangements was $1,584, $858 and $977 for the years ended December 31, 2018, 2017 and 2016.

Employee Benefit Plans

Employee Benefit Plans	12 Months Ended
	Dec. 31, 2018
Employee Benefit Plans [Abstract]
Employee Benefit Plans	9. Employee Benefit Plans The Company has certain defined contribution profit sharing and 401(k) plans covering substantially all of its employees in the United States and Europe. The Company provides matching contributions to the Company’s 401(k) plan. Company contributions are generally discretionary. For the years ended December 31, 2018, 2017 and 2016, expenses related to these plans amounted to $3,520, $2,601 and $1,601, respectively.

Financial Instruments and Fair

Financial Instruments and Fair Value Measurements	12 Months Ended
	Dec. 31, 2018
Financial Instruments and Fair Value Measurements [Abstract]
Financial Instruments and Fair Value Measurements	10. Financial Instruments and Fair Value Measurements Financial Instruments A financial instrument is cash or a contract that imposes an obligation to deliver, or conveys a right to receive cash or another financial instrument. The carrying values of cash and cash equivalents, accounts receivable and accounts payable are considered to be representative of fair value because of the short maturity of these instruments. The fair value of debt approximates the carrying value of debt. Derivative Instruments and Hedging Activities On December 31, 2018, the Company had open foreign currency forward contracts which are used solely for hedging and not for speculative purposes. Management believes that its use of these instruments to reduce risk is in the Company’s best interest. The counterparties to these financial instruments are financial institutions with investment grade credit ratings. Foreign Currency Exchange Rate Risk The Company conducts business internationally and therefore is exposed to foreign currency exchange rate risk. The Company uses derivative financial instruments as cash flow and fair value hedges to manage its exposure to fluctuations in foreign currency exchange rates by reducing the effect of such fluctuations on foreign currency denominated intercompany transactions, inventory purchases and other foreign currency exposures. The currencies hedged by the Company during 2018, 2017 and 2016 include the euro and Mexican peso. In addition, the Company hedged the U.S. dollar against the Swedish krona and euro on behalf of its European subsidiaries in 2018 and 2016. These forward contracts were executed to hedge forecasted transactions and were accounted for as cash flow hedges. As such, the effective portion of the unrealized gain or loss was deferred and reported in the Company’s consolidated balance sheets as a component of accumulated other comprehensive loss. The cash flow hedges were highly effective. The effectiveness of the transactions has been and will be measured on an ongoing basis using regression analysis and forecasted future purchases of the currency. In certain instances, the foreign currency forward contracts do not qualify for hedge accounting or are not designated as hedges, and therefore are marked to market with gains and losses recognized in the Company’s consolidated statements of operations as a component of other expense (income), net. The Company’s foreign currency forward contracts are designed to offset some of the gains and losses realized on the underlying foreign currency denominated transactions as follows: Euro-denominated Foreign Currency Forward Contracts At December 31, 2017, the Company held foreign currency forward contracts with an underlying notional amount of $1,486 to reduce the exposure related to the Company’s euro-denominated intercompany loans. There were no contracts entered into as of December 31, 2018 as these contracts were settled in December 2018. The euro-denominated foreign currency forward contract was not designated as a hedging instrument. For the years ended December 31, 2018, 2017 and 2016, the Company recognized a gain of $73 , a loss of $174 and a gain of $57, respectively, in the consolidated statements of operations as a component of other expense (income), net related to the euro-denominated contract. U.S. dollar-denominated Foreign Currency Forward Contracts – Cash Flow Hedge The Company entered into on behalf of one of its European Electronics subsidiaries whose functional currency is the Swedish krona, U.S. dollar-denominated currency contracts which expired ratably on a monthly basis from February 2018 through December 2018. There were no contracts entered into as of December 31, 2018 or 2017. The Company entered into on behalf of one of its European Electronics subsidiaries whose functional currency is the euro, U.S. dollar-denominated currency contracts which expired ratably on a monthly basis from February 2018 through December 2018. There were no contracts entered into as of December 31, 2018 or 2017. Mexican peso-denominated Foreign Currency Forward Contracts – Cash Flow Hedge The Company holds Mexican peso-denominated foreign currency contracts with notional amounts at December 31, 2018 of $9,017 which expire ratably on a monthly basis from January 2019 through December 2019, compared to $9,143 at December 31, 2017. The Company evaluated the effectiveness of the Mexican peso-denominated foreign currency forward contracts held as of December 31, 2018 and 2017, and the years then ended, and concluded that the hedges were effective. The notional amounts and fair values of derivative instruments in the consolidated balance sheets were as follows: Prepaid expenses Accrued expenses and Notional amounts (A) and other current assets other current liabilities December 31 Derivatives designated as hedging instruments: Cash flow hedges: Forward currency contracts $ 9,017 $ 9,143 $ 370 $ - $ - $ 221 Derivatives not designated as hedging instruments: Forward currency contracts $ - $ 1,486 $ - $ - $ - $ 48 (A) Notional amounts represent the gross contract / notional amount of the derivatives outstanding. Gross amounts recorded for the cash flow hedges in other comprehensive loss in shareholders’ equity and in net income for the years ended December 31 were as follows: Gains (loss) reclassified from Gain (loss) recorded in other other comprehensive income comprehensive income (loss) (loss) into net income (A) 2016 Derivatives designated as cash flow hedges: Forward currency contracts $ 1,967 $ 441 $ (582) $ 1,376 $ 634 $ (164) (A) Gains and losses reclassified from comprehensive loss into net income were recognized in COGS in the Company’s consolidated statements of operations. The net deferred gain of $370 on the cash flow hedge derivatives will be reclassified from other comprehensive income (loss) to the consolidated statements of operations in 2019. The Company has measured the ineffectiveness of the forward currency contracts and any amounts recognized in the consolidated financial statements were immaterial for the years ended December 31, 2018, 2017 and 2016. Fair Value Measurements The Company’s assets and liabilities are measured at fair value on a recurring basis and are categorized using the three levels of the fair value hierarchy based on the reliability of the inputs used. Fair values estimated using Level 1 inputs consist of quoted prices in active markets for identical assets or liabilities that the Company has the ability to access at the measurement date. Fair values estimated using Level 2 inputs, other than quoted prices, are observable for the asset or liability, either directly or indirectly and include among other things, quoted prices for similar assets or liabilities in markets that are active or inactive as well as inputs other than quoted prices that are observable. For forward currency contracts, inputs include foreign currency exchange rates. Fair values estimated using Level 3 inputs consist of significant unobservable inputs. The following table presents our assets and liabilities that are measured at fair value on a recurring basis and are categorized using the three levels of the fair value hierarchy based on the reliability of inputs used. December 31, December 31, Fair values estimated using Level 1 Level 2 Level 3 Fair value inputs inputs inputs Fair value Financial assets carried at fair value: Forward currency contracts $ 370 $ - $ 370 $ - $ - Total financial assets carried at fair value $ 370 $ - $ 370 $ - $ - Financial liabilities carried at fair value: Forward currency contracts $ - $ - $ - $ - $ 269 Earn-out consideration 18,672 - - 18,672 20,746 Total financial liabilities carried at fair value $ 18,672 $ - $ - $ 18,672 $ 21,015 The following table sets forth a summary of the change in fair value of the Company’s Level 3 financial liabilities related to earn-out consideration that are measured at fair value on a recurring basis. Orlaco PST Total Balance at December 31, 2017 $ 8,637 $ 12,109 $ 20,746 Change in fair value 369 (156) 213 Foreign currency adjustments (404) (1,883) (2,287) Balance at December 31, 2018 $ 8,602 $ 10,070 $ 18,672 Orlaco PST Total Balance at December 31, 2016 $ - $ - $ - Fair value on acquisition date 3,243 10,180 13,423 Change in fair value 4,853 2,632 7,485 Foreign currency adjustments 541 (703) (162) Balance at December 31, 2017 $ 8,637 $ 12,109 $ 20,746 The earn-out considerations related to Orlaco and PST are recorded within other current liabilities and other long-term liabilities, respectively, in the consolidated balance sheet as of December 31, 2018. The earn-out considerations related to Orlaco and PST were recorded within other long-term liabilities in the consolidated balance sheet as of December 31, 2017. The change in fair value of the earn-out considerations are recorded within SG&A expense on the consolidated statements of operations for the years ended December 31, 2018 and 2017. The fair value for the Orlaco earn-out consideration is based on a Monte Carlo simulation utilizing forecasted earnings before interest, taxes, depreciation and amortization (“EBITDA”) for the 2017 and 2018 earn-out period as well as a growth rate reduced by the market required rate of return. The Company will be required to pay the PST earn-out consideration, which is not capped, based on PST’s financial performance in either 2020 or 2021. The fair value of the PST earn-out consideration is based on discounted cash flows utilizing forecasted EBITDA in 2020 and 2021 using the key inputs of forecasted sales and expected operating income reduced by the market required rate of return. The increase in fair value of earn-out consideration related to the Orlaco acquisition is primarily due to actual performance exceeding forecasted performance as well as the reduced time from the current period end to the payment date offset by foreign currency translation. The Orlaco earn-out consideration reached the capped amount of €7,500 as of the quarter ended March 31, 2018. The net decrease in fair value of earn-out consideration for PST was due to a reduction in forecasted performance and foreign currency translation partially offset by the reduced time from the current period end to the payment date. The foreign currency impact for the PST earn-out considerations is included in other expense (income), net in the consolidated statements of operations. There were no transfers in or out of Level 3 from other levels in the fair value hierarchy for the year ended December 31, 2018. Except for the fair value of assets acquired and liabilities assumed related to the Orlaco acquisition discussed in Note 2, no non-recurring fair value adjustments were required for nonfinancial assets for the years ended December 31, 2018 and 2017.

Commitments and Contingencies

Commitments and Contingencies	12 Months Ended
	Dec. 31, 2018
Commitments and Contingencies [Abstract]
Commitments and Contingencies	11. Commitments and Contingencies From time to time we are subject to various legal actions and claims incidental to our business, including those arising out of breach of contracts, product warranties, product liability, patent infringement, regulatory matters and employment-related matters. The Company establishes accruals for matters which it believes that losses are probable and can be reasonably estimated. Although it is not possible to predict with certainty the outcome of these matters, the Company is of the opinion that the ultimate resolution of these matters will not have a material adverse effect on its consolidated results of operations or financial position. As a result of environmental studies performed at the Company’s former facility located in Sarasota, Florida, the Company became aware of soil and groundwater contamination at this site. The Company engaged an environmental engineering consultant to assess the level of contamination and to develop a remediation and monitoring plan for the site. Soil remediation at the site was completed during the year ended December 31, 2010. Upon approval of the remedial action plan by the Florida Department of Environmental Protection, ground water remediation began in the fourth quarter of 2015. During the years ended December 31, 2018, 2017 and 2016, environmental remediation costs incurred were immaterial. At December 31, 2018 and 2017, the Company had accrued an undiscounted liability of $111 and $265, respectively, related to future remediation costs. At December 31, 2018 and 2017, $111 and $253, respectively, were recorded as a component of accrued expenses and other current liabilities on the consolidated balance sheets while the remaining amount was recorded as a component of other long-term liabilities. Costs associated with the recorded liability will be incurred to complete the groundwater remediation, with the balance relating to monitoring costs to be incurred over multiple years. The recorded liability is based on assumptions in the remedial action plan. Although the Company sold the Sarasota facility in December 2011, the liability to remediate the site contamination remains the responsibility of the Company. Due to the ongoing site remediation, the Company is currently required to maintain a $1,489 letter of credit for the benefit of the buyer. The Company’s PST subsidiary has civil, labor and other non-income tax contingencies for which the likelihood of loss is deemed to be reasonably possible, but not probable, by the Company’s legal advisors in Brazil. As a result, no provision has been recorded with respect to these contingencies, which amounted to R$29,700 ($7,600) and R$33,800 ($10,200) at December, 2018 and 2017, respectively. An unfavorable outcome on these contingencies could result in significant cost to the Company and adversely affect its results of operations. Insurance Recoveries The Company incurred losses and incremental costs related to the damage to assets caused by a storm at its Mexican production facility in the fourth quarter of 2016 and is pursuing recovery of such costs under applicable insurance policies. Anticipated proceeds from insurance recoveries related to losses and incremental costs that have been incurred (“loss recoveries”) are recognized when receipt is probable. Anticipated proceeds from insurance recoveries in excess of the net book value of damaged property, plant and equipment (“insurance gain contingencies”) are recognized when all contingencies related to the claim have been resolved. Loss recoveries related to the damage of inventory and incremental costs included in costs of sales were not significant for the year ended December 31, 2018 and there were no loss recoveries and insurance gain contingencies related to the damage of property, plant and equipment included within SG&A expense. In 2017, loss recoveries related to the damage of inventory and incremental costs included in cost of sales were $189 and loss recoveries and insurance gain contingencies related to the damage of property, plant and equipment included within SG&A expense were $1,923. As of December 31, 2017, the Company had confirmation of the open insurance claim and recorded a receivable of $1,644. The cash payment was subsequently received in January 2018. Cash proceeds related to the damage of inventory and incremental costs were $241 and $500 for the years ended December 31, 2018 and 2017, respectively, and are included in cash flows from operating activities. Cash proceeds related to the damage of property, plant and equipment of $1,403 and $711 for the years ended December 31, 2018 and 2017, respectively, are included in cash flows from investing activities.

Headquarter Relocation and Cons

Headquarter Relocation and Consolidation	12 Months Ended
	Dec. 31, 2018
Business Realignment [Abstract]
Headquarter Relocation and Consolidation	12. Headquarter Relocation and Consolidation During the fourth quarter of 2016, the Company relocated its corporate headquarters from Warren, Ohio to Novi, Michigan and consolidated its other corporate functions into one location. As a result, the Company incurred headquarter relocation costs recorded within SG&A expense, which included employee retention, relocation, severance, recruiting, duplicate wages and professional fees, of $269, $493 and $1,769 for the years ended December 31, 2018, 2017, and 2016, respectively. In connection with the headquarter relocation, the Company was approved for a Michigan Business Development Program grant of up to $1,400 based upon the number of new jobs created in Michigan through 2022. As a result of the attainment of the first and second milestones, grant income of $312 and $338 was recognized during the years ended December 31, 2018 and 2017, respectively, within SG&A expense in the consolidated statements of operations.

Restructuring and Business Real

Restructuring and Business Realignment	12 Months Ended
	Dec. 31, 2018
Business Realignment [Abstract]
Restructuring and Business Realignment	13. Restructuring and Business Realignment In the fourth quarter of 2018, we undertook restructuring actions for our Electronics segment affecting our European Aftermarket business and China operations. We recognized expense of $3,539 for the year ended December 31, 2018 as a result of these actions for severance, contract termination costs, excess and obsolete inventory write-offs and the non-cash write-off of intangible assets and of impaired fixed assets. Excess and obsolete inventory write-offs of $823 were recognized in COGS for the year ended December 31, 2018 and all other restructuring costs were recognized in SG&A in the consolidated statement of operations. The Company expects to incur approximately $1,080 of additional restructuring costs related to the actions initiated as of December 31, 2018. The expenses for the 2018 restructuring activities that relate to the Electronics reportable segment include the following: Accrual as of 2018 Charge Utilization Accrual as of January 1, 2018 to Expense Cash Non-Cash December 31, 2018 Employee termination benefits $ - $ 1,939 $ (1,419) $ - $ 520 Excess and obsolete inventory - 823 - (823) - Intangible impairment - 200 - (200) - Fixed asset impairment - 157 - (157) - Contract termination costs - 156 (139) - 17 Other related costs - 264 (145) - 119 Total $ - $ 3,539 $ (1,703) $ (1,180) $ 656 In addition to the specific restructuring activities, the Company regularly evaluates the performance of its businesses and cost structures, including personnel, and makes necessary changes thereto in order to optimize its results. The Company also evaluates the required skill sets of its personnel and periodically makes strategic changes. As a consequence of these actions, the Company incurs severance related costs which are referred to as business realignment charges. Business realignment charges by reportable segment were as follows: Year ended December 31 Control Devices (A) $ 169 $ - $ - Electronics (B) 63 1,223 1,180 PST (C) 478 589 1,437 Total business realignment charges $ 710 $ 1,812 $ 2,617 (A) Business realignment severance costs for the year ended December 31, 2018 related to D&D were $128. Business realignment severance costs for the year ended December 31, 2017 related to SG&A were $41. (B) Business realignment severance costs for the year ended December 31, 2018 related to SG&A were $63. Business realignment severance costs for the year ended December 31, 2017 related to COGS and SG&A were $56 and $1,167, respectively. Business realignment severance costs for the year ended December 31, 2016 related to SG&A and D&D were $196 and $984, respectively. (C) Business realignment severance costs for the year ended December 31, 2018 related to COGS, SG&A and D&D were $63, $386 and $29, respectively. Business realignment severance costs for the year ended December 31, 2017 related to COGS, SG&A and D&D were $370, $218 and $1, respectively. Business realignment severance costs for the year ended December 31, 2016 related to COGS, SG&A and D&D were $437, $884 and $116, respectively. There were no significant restructuring or business realignment expenses related to the unallocated corporate segment during the years ended December 31, 2018, 2017 or 2016. Business realignment charges classified by statement of operations line item were as follows: Year ended December 31 2016 Cost of goods sold $ 63 $ 426 $ 437 Selling, general and administrative 491 1,385 1,080 Design and development 156 1 1,100 Total business realignment charges $ 710 $ 1,812 $ 2,617

Segment Reporting

Segment Reporting	12 Months Ended
	Dec. 31, 2018
Segment Reporting [Abstract]
Segment Reporting	14. Segment Reporting Operating segments are defined as components of an enterprise that are evaluated regularly by the Company’s chief operating decision maker in deciding how to allocate resources and in assessing performance. The Company’s chief operating decision maker is the chief executive officer. The Company has three reportable segments, Control Devices, Electronics and PST, which also represent its operating segments. The Control Devices reportable segment produces sensors, switches, valves and actuators. The Electronics reportable segment produces electronic instrument clusters, electronic control units, driver information systems and camera-based vision systems, monitors and related products. The PST reportable segment designs and manufactures electronic vehicle security alarms, convenience accessories, vehicle tracking devices and monitoring services and in-vehicle audio and video devices. The accounting policies of the Company’s reportable segments are the same as those described in Note 2. The Company’s management evaluates the performance of its reportable segments based primarily on revenues from external customers, capital expenditures and operating income. Inter-segment sales are accounted for on terms similar to those to third parties and are eliminated upon consolidation. The financial information presented below is for our three reportable operating segments and includes adjustments for unallocated corporate costs and intercompany eliminations, where applicable. Such costs and eliminations do not meet the requirements for being classified as an operating segment. Corporate costs include various support functions, such as corporate accounting/finance, executive administration, human resources, information technology and legal. A summary of financial information by reportable segment is as follows: Year ended December 31 Net Sales: Control Devices $ 441,297 $ 447,528 $ 408,132 Inter-segment sales 8,348 5,044 1,826 Control Devices net sales 449,645 452,572 409,958 Electronics (D) 344,727 282,383 205,256 Inter-segment sales 37,126 39,501 33,361 Electronics net sales 381,853 321,884 238,617 PST 80,175 94,533 82,589 Inter-segment sales 2 563 - PST net sales 80,177 95,096 82,589 Eliminations (45,476) (45,108) (35,187) Total net sales $ 866,199 $ 824,444 $ 695,977 Operating Income (Loss): Control Devices $ 64,191 $ 72,555 $ 61,815 Electronics (D) 28,236 18,119 14,798 PST 4,989 2,661 (3,462) Unallocated Corporate (A) (30,412) (35,965) (29,069) Total operating income $ 67,004 $ 57,370 $ 44,082 Depreciation and Amortization: Control Devices $ 11,914 $ 10,887 $ 10,276 Electronics (D) 8,982 8,143 3,971 PST 7,443 8,316 8,559 Unallocated Corporate 852 584 452 Total depreciation and amortization (B) $ 29,191 $ 27,930 $ 23,258 Interest Expense, net: Control Devices $ 76 $ 103 $ 226 Electronics 85 119 142 PST 824 1,812 3,396 Unallocated Corporate 3,735 3,749 2,513 Total interest expense, net $ 4,720 $ 5,783 $ 6,277 Capital Expenditures: Control Devices $ 16,737 $ 17,484 $ 13,261 Electronics (D) 5,965 8,158 5,665 PST 3,242 3,831 3,213 Unallocated Corporate (C) 3,083 2,697 2,337 Total capital expenditures $ 29,027 $ 32,170 $ 24,476 December 31, December 31, Total Assets: Control Devices $ 175,708 $ 164,632 Electronics (D) 265,838 252,324 PST 81,002 100,382 Corporate (C) 359,837 377,657 Eliminations (322,866) (335,958) Total assets $ 559,519 $ 559,037 The following table presents net sales and long-term assets for the geographic areas in which the Company operates: Year ended December 31 Net Sales: North America $ 480,511 $ 471,770 $ 428,046 South America 80,175 94,533 82,589 Europe and Other (D) 305,513 258,141 185,342 Total net sales $ 866,199 $ 824,444 $ 695,977 December 31, December 31, Long-term Assets: North America $ 86,763 $ 89,997 South America 45,408 58,989 Europe and Other (D) 107,171 106,682 Total long-term assets $ 239,342 $ 255,668 (A) Unallocated Corporate expenses include, among other items, accounting/finance, human resources, information technology and legal costs as well as share-based compensation. (B) These amounts represent depreciation and amortization on property, plant and equipment and certain intangible assets. (C) Assets located at Corporate consist primarily of cash, intercompany loan receivables, fixed assets for the headquarter building, information technology assets, equity investments and investments in subsidiaries. (D) The amounts for 2018 and 2017 include the Orlaco business which was acquired on January 31, 2017 as disclosed in Note 2.

Subsequent Events

Subsequent Events	12 Months Ended
	Dec. 31, 2018
Subsequent Events [Abstract]
Subsequent Events	15. Subsequent Events On January 10, 2019, the Company committed to a restructuring plan that will result in the closure of our Canton, Massachusetts facility (“Canton Facility”) by the end of 2019 and the consolidation of manufacturing operations at that site into other Company locations (“Canton Restructuring”). Company management informed employees at the Canton Facility of this restructuring decision on January 11, 2019. This restructuring action will result in the closure of the Canton facility and the termination of the employment of Canton Facility employees. The estimated costs for the Canton Restructuring include employee severance and termination costs, contract terminations costs, professional fees, the non-cash write-off of impaired fixed assets and transition costs. The estimated total cost of the Canton Facility restructuring plan, that will impact the Control Devices segment, is between $8,500 and $9,500 and will be incurred through 2020.

Unaudited Quarterly Financial D

Unaudited Quarterly Financial Data	12 Months Ended
	Dec. 31, 2018
Unaudited Quarterly Financial Data [Abstract]
Unaudited Quarterly Financial Data	16. Unaudited Quarterly Financial Data The following is a summary of quarterly results of operations: Quarter ended 2018 December 31 September 30 June 30 March 31 Net sales $ 210,814 $ 208,853 $ 220,602 $ 225,930 Gross profit 57,959 63,285 67,418 67,969 Operating income 12,664 18,312 19,181 16,847 Income tax expense 690 3,467 3,820 3,233 Net income 12,056 13,292 15,120 13,380 Earnings per share attributable to Stoneridge, Inc.: Basic (A) $ 0.42 $ 0.47 $ 0.53 $ 0.47 Diluted (A) $ 0.42 $ 0.46 $ 0.52 $ 0.46 Quarter ended 2017 December 31 September 30 June 30 March 31 Net sales $ 207,440 $ 203,582 $ 209,111 $ 204,311 Gross profit 61,026 62,549 63,414 61,151 Operating income 13,234 13,296 15,676 15,164 Income tax (benefit) expense (B) (6,036) 3,809 5,189 4,571 Net income 18,908 8,049 8,919 9,173 Net loss attributable to noncontrolling interests - - (100) (30) Net income attributable to Stoneridge, Inc. 18,908 8,049 9,019 9,203 Earnings per share attributable to Stoneridge, Inc.: Basic (A) $ 0.67 $ 0.29 $ 0.32 $ 0.33 Diluted (A) $ 0.65 $ 0.28 $ 0.32 $ 0.32 (A) Earnings per share for the year may not equal the sum of the four historical quarters earnings per share due to changes in weighted-average basic and diluted shares outstanding. (B) The impact of the Tax Legislation was an increase in tax expense of $6,200 due to the one-time deemed repatriation tax, offset by the favorable impacts of the reduced tax rate on the Company’s net deferred tax liabilities and other deferred tax adjustments of $(15,300) million related to certain earnings included in the one-time transition tax.

SCHEDULE II - VALUATION AND QUA

SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS	12 Months Ended
	Dec. 31, 2018
Valuation and Qualifying Accounts [Abstract]
Valuation and Qualifying Accounts	SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS (in thousands) The following schedules provide the activity for accounts receivable reserves and valuation allowance for deferred tax assets for the years ended December 31, 2018, 2017 and 2016: Balance at Charged to costs and expenses Write-offs Balance at end Accounts receivable reserves: Year ended December 31, 2018 $ 1,109 $ 1,244 $ (1,110) $ 1,243 Year ended December 31, 2017 1,630 2,173 (2,694) 1,109 Year ended December 31, 2016 1,066 1,604 (1,040) 1,630 Balance at Net additions charged to Exchange rate fluctuations beginning of expense and other Balance at end period (benefit) (A) items of period Valuation allowance for deferred tax assets: Year ended December 31, 2018 $ 11,986 $ (1,922) $ (1,102) $ 8,962 Year ended December 31, 2017 11,125 874 (13) 11,986 Year ended December 31, 2016 59,391 (47,659) (607) 11,125 (A) The Company recorded the release of a valuation allowance associated with its U.S. federal, certain state and foreign deferred tax assets of $49,600 during the year ended December 31, 2016.

Summary of Significant Accoun_2

Summary of Significant Accounting Policies (Policies)	12 Months Ended
	Dec. 31, 2018
Summary of Significant Accounting Policies [Abstract]
Basis of Presentation	Basis of Presentation The accompanying consolidated financial statements include the accounts of Stoneridge, Inc. and its wholly-owned and majority-owned subsidiaries (collectively, the “Company”). Intercompany transactions and balances have been eliminated in consolidation. The Company analyzes its ownership interests in accordance with Accounting Standards Codification (“ASC”) “Consolidations (Topic 810)” to determine whether they are a variable interest entity and, if so, whether the Company is the primary beneficiary. On January 31, 2017, the Company acquired Exploitatiemaatschappij Berghaaf B.V. (“Orlaco”), an electronics business which designs, manufactures and sells camera-based vision systems, monitors and related products. The acquisition was accounted for as a business combination, and accordingly, the Company’s consolidated financial statements herein include the results of Orlaco from the date of acquisition. See Acquisitions in Note 2 below to the consolidated financial statements for additional details regarding the Orlaco acquisition. The Company had a 74% controlling interest in PST Eletrônica Ltda. (“ PST”) from December 31, 2011 through May 15, 2017. On May 16, 2017, the Company acquired the remaining 26% noncontrolling interest in PST, which was accounted for as an equity transaction. As such, PST is now a wholly owned subsidiary. See Note 4 to the consolidated financial statements for additional details regarding the acquisition of PST’s noncontrolling interest. The Company’s investment in Minda Stoneridge Instruments Ltd. (“MSIL”) for the years ended December 31, 2018, 2017 and 2016 has been determined to be an unconsolidated entity, and therefore is accounted for under the equity method of accounting based on the Company’s 49% ownership in MSIL.
Accounting Estimates	Accounting Estimates The preparation of financial statements in conformity with U.S. Generally Accepted Accounting Principles (“GAAP”) requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, including certain self-insured risks and liabilities, disclosure of contingent assets and liabilities at the date of the consolidated financial statements and the reported amounts of revenues and expenses during the reporting period. Because actual results could differ from those estimates, the Company revises its estimates and assumptions as new information becomes available.
Cash and Cash Equivalents	Cash and Cash Equivalents The Company’s cash and cash equivalents include actively traded money market funds with short-term investments in marketable securities, primarily U.S. government securities. Cash and cash equivalents are stated at cost, which approximates fair value, due to the highly liquid nature and short-term duration of the underlying securities with original maturities of 90 days or less.
Accounts Receivable and Concentration Of Credit Risk	Accounts Receivable and Concentration of Credit Risk Revenues are principally generated from the automotive, commercial, off-highway, motorcycle and agricultural vehicle markets. The Company’s largest customers are Ford Motor Company and Volvo, primarily related to the Control Devices and Electronics reportable segments and accounted for the following percentages of consolidated net sales for the years ended December 31, 2018, 2017 and 2016: Ford Motor Company 12 % 14 % 17 % Volvo 8 % 6 % 6 % Accounts receivable are recorded at the invoice price, net of an estimate of allowance for doubtful accounts and other reserves.
Allowance for Doubtful Accounts	Allowance for Doubtful Accounts The Company evaluates the collectability of accounts receivable based on a combination of factors. In circumstances where the Company is aware of a specific customer’s inability to meet its financial obligations, a specific allowance for doubtful accounts is recorded against amounts due to reduce the net recognized receivable to the amount the Company reasonably believes will be collected. Additionally, the Company reviews historical trends for collectability in determining an estimate for its allowance for doubtful accounts. If economic circumstances change substantially, estimates of the recoverability of amounts due to the Company could be reduced by a material amount. The Company does not have collateral requirements with its customers.
Sales of Accounts Receivable	Sales of Accounts Receivable In prior years, the Company’s PST segment sold selected accounts receivable on a full recourse basis to an unrelated financial institution in Brazil. PST accounts for these transactions as sales of accounts receivable. As such, in accordance with ASC 860, “Transfers and Servicing”, the sales of accounts receivable are reflected as a reduction of accounts receivable in the consolidated balance sheets and the loss on sale is recorded within interest expense, net in the consolidated statements of operations while the proceeds received from the sale are included in the cash flows from operating activities in the consolidated statements of cash flows. During 2017, PST sold $2,520 (7,983 Brazilian real (“R$”)) of accounts receivable at a loss of $86 (R$273), which represents the implicit interest on the transaction, and received proceeds of $2,434 (R$7,710). PST did not have any remaining credit exposure at December 31, 2017 related to the receivables sold. During 2018, PST did not sell any of its accounts receivable.
Inventories	Inventories Inventories are valued at the lower of cost (using either the first-in, first-out (“FIFO”) or average cost methods) or net realizable value. The Company evaluates and adjusts as necessary its excess and obsolescence reserve on a quarterly basis. Excess inventories are quantities of items that exceed anticipated sales or usage for a reasonable period. The Company has guidelines for calculating provisions for excess inventories based on the number of months of inventories on hand compared to anticipated sales or usage. Management uses its judgment to forecast sales or usage and to determine what constitutes a reasonable period. Inventory cost includes material, labor and overhead. Inventories consist of the following: December 31, Raw materials $ 54,382 $ 47,588 Work-in-progress 4,710 5,806 Finished goods 20,186 20,077 Total inventories, net $ 79,278 $ 73,471 Inventory valued using the FIFO method was $64,745 and $54,837 at December 31, 2018 and 2017, respectively. Inventory valued using the average cost method was $14,533 and $18,634 at December 31, 2018 and 2017, respectively.
Pre-Production Costs Related to Long-Term Supply Arrangements	Pre-production Costs Related to Long-term Supply Arrangements Engineering, research and development and other design and development costs for products sold on long-term supply arrangements are expensed as incurred unless the Company has a contractual guarantee for reimbursement from the customer which are capitalized as pre-production costs. Costs for molds, dies and other tools used to make products sold on long-term supply arrangements for which the Company either has title to the assets or has the noncancelable right to use the assets during the term of the supply arrangement are capitalized in property, plant and equipment and amortized to cost of sales over the shorter of the term of the arrangement or over the estimated useful lives of the assets, typically three to five years. Costs for molds, dies and other tools used to make products sold on long-term supply arrangements for which the Company has a contractual guarantee to a lump sum reimbursement from the customer are capitalized either as a component of prepaid expenses and other current assets or an investment and other long term assets, net within the consolidated balance sheets. Capitalized pre-production costs were $6,875 and $9,260 at December 31, 2018 and 2017, respectively. At December 31, 2018 and 2017, $6,875 and $8,894 were recorded as a component of prepaid expenses and other current assets on the consolidated balance sheets while the remaining amounts were recorded as a component of investments and other long term assets, net.
Acquisitions	Acquisitions Orlaco On January 31, 2017, Stoneridge B.V., an indirect wholly-owned subsidiary of Stoneridge, Inc., acquired Orlaco. Orlaco designs, manufactures and sells camera-based vision systems, monitors and related products primarily to the heavy off-road machinery, commercial vehicle, lifting crane and warehousing and logistics industries. Stoneridge and Orlaco jointly developed the MirrorEye camera monitor system, which is a system solution to improve the safety and fuel economy for commercial vehicles. The MirrorEye camera monitor system integrates Orlaco’s vision processing technology and Stoneridge’s driver information capabilities as well as the combined software capabilities of both businesses. The acquisition of Orlaco enhances the Stoneridge’s Electronics segment global technical capabilities in vision systems and facilitates entry into new markets. The aggregate consideration for the Orlaco acquisition was €74,939 ($79,675), which included customary estimated adjustments to the purchase price. The Company paid €67,439 ($71,701) in cash. The purchase price was subject to certain customary adjustments set forth in the purchase agreement. The Company is required to pay an additional amount up to €7,500 as contingent consideration (“earn-out consideration”) if certain performance targets are achieved during the first two years. See Note 9 for additional details on the Orlaco contingent consideration. The acquisition date fair value of the total consideration transferred consisted of the following: Cash $ 79,675 Fair value of earn-out consideration and other adjustments 4,208 Total purchase price $ 83,883 The following table summarizes the final fair value of the assets acquired and liabilities assumed at the acquisition date (including measurement period adjustments): At January 31, 2017 Cash $ 2,165 Accounts receivable 7,929 Inventory 9,409 Prepaid and other current assets 298 Property, plant and equipment 6,668 Identifiable intangible assets 38,739 Other long-term assets 6 Total identifiable assets acquired 65,214 Accounts payable 3,020 Other current liabilities 834 Deferred tax liabilities 10,206 Warranty liability 899 Total liabilities assumed 14,959 Net identifiable assets acquired 50,255 Goodwill 33,628 Net assets acquired $ 83,883 Assets acquired and liabilities assumed were recorded at estimated fair values based on management’s estimates, available information, and reasonable and supportable assumptions. Also, the Company utilized a third-party to assist with certain estimates of fair values, including: · Fair value estimate for inventory was based on a comparative sales method · Fair value estimate for property, plant and equipment was based on appraised values utilizing cost and market approaches · Fair values for intangible assets were based on a combination of market and income approaches, including the relief from royalty method · Fair value for the earn-out consideration was based on a Monte Carlo simulation analysis utilizing forecasted earnings before interest, taxes, depreciation and amortization (“EBITDA”) for the 2017 and 2018 earn-out period as well as a growth rate reduced by the market required rate of return These fair value measurements are classified within Level 3 of the fair value hierarchy. See Note 10 for details on fair value hierarchy. Goodwill is calculated as the excess of the fair value of consideration transferred over the fair market value of the acquired identifiable assets and assumed liabilities and represents the future economic benefits arising from other assets acquired that could not be separately recognized. The goodwill is not deductible for income tax purposes. Of the $38,739 of acquired identifiable intangible assets, $27,518 was assigned to customer lists with a 15-year useful life; $5,142 was assigned to trademarks with a 20-year useful life; and $6,079 was assigned to technology with a 7-year weighted-average useful life. The Company recognized $1,259 of acquisition related costs in the consolidated statement of operations as a component of selling, general and administrative (“SG&A”) expense for the year ended December 31, 2017. There were no acquisition related costs for the year ended December 31, 2018. The Company’s statement of operations included $1,636 of expense in cost of goods sold (“COGS”) for the year ended December 31, 2017 associated with the step-up of the Orlaco inventory to fair value. The Company’s statement of operations included $369 and $4,853 of expense for the fair value adjustment for earn-out consideration in SG&A expenses for the year ended December 31, 2018 and 2017, respectively. The following unaudited pro forma information reflects the Company’s consolidated results of operations as if the acquisition had taken place on January 1, 2016. The unaudited pro forma information is not necessarily indicative of the results of operations that the Company would have reported had the transaction actually occurred at the beginning of these periods, nor is it necessarily indicative of future results. Year ended December 31 Net sales $ 829,474 $ 752,864 Net income attributable to Stoneridge, Inc. and subsidiaries $ 45,283 $ 8,218
Property, Plant and Equipment	Property, Plant and Equipment Property, plant and equipment are recorded at cost and consist of the following: December 31, Land and land improvements $ 4,619 $ 4,863 Buildings and improvements 37,234 37,581 Machinery and equipment 212,225 192,107 Office furniture and fixtures 9,929 10,070 Tooling 75,620 75,038 Information technology 27,179 27,466 Vehicles 872 881 Leasehold improvements 2,799 2,841 Construction in progress 23,064 24,312 Total property, plant, and equipment 393,541 375,159 Less: accumulated depreciation (281,328) (264,757) Property, plant and equipment, net $ 112,213 $ 110,402 Depreciation is provided using the straight-line method over the estimated useful lives of the assets. Depreciation expense for the years ended December 31, 2018, 2017 and 2016 was $22,786, $21,490 and $19,998, respectively. Depreciable lives within each property classification are as follows: Buildings and improvements 10-40 years Machinery and equipment 3-10 years Office furniture and fixtures 3-10 years Tooling 2-5 years Information technology 3-7 years Vehicles 3-5 years Leasehold improvements shorter of lease term or 3-10 years Maintenance and repair expenditures that are not considered improvements and do not extend the useful life of the property, plant and equipment are charged to expense as incurred. Expenditures for improvements and major renewals are capitalized. When assets are retired or otherwise disposed of, the related cost and accumulated depreciation are removed from the accounts, and any gain or loss on the disposition is recorded in the consolidated statements of operations as a component of SG&A expenses.
Impairment of Long-Lived or Finite-Lived Assets	Impairment of Long-Lived or Finite-Lived Assets The Company reviews the carrying value of its long-lived assets and finite-lived intangible assets for impairment when events or circumstances indicate that their carrying value may not be recoverable. Factors the Company considers important that could trigger testing of the related asset groups for an impairment include current period operating or cash flow losses combined with a history of operating or cash flow losses, a projection or forecast that demonstrates continuing losses, significant adverse changes in the business climate within a particular business or current expectations that a long-lived asset will be sold or otherwise disposed of significantly before the end of its estimated useful life. To test for impairment, the estimated undiscounted cash flows expected to be generated from the use and disposal of the asset or asset group is compared to its carrying value. An asset group is established by identifying the lowest level of cash flows generated by the group of assets that are largely independent of cash flows of other assets. If cash flows cannot be separately and independently identified for a single asset, we will determine whether an impairment has occurred for the group of assets for which we can identify projected cash flows. If these undiscounted cash flows are less than their respective carrying values, an impairment charge would be recognized to the extent that the carrying values exceed estimated fair values. The estimation of undiscounted cash flows and fair value requires us to make assumptions regarding future operating results over the life of the asset or the life of the primary asset in the asset group. The results of the impairment testing are dependent on these estimates which require judgment. The occurrence of certain events, including changes in economic and competitive conditions, could impact cash flows eventually realized and management’s ability to accurately assess whether an asset is impaired.
Goodwill and Other Intangible Assets	Goodwill and Other Intangible Assets Goodwill The total purchase price associated with acquisitions is allocated to the acquisition date fair values of identifiable assets acquired and liabilities assumed with the excess purchase price assigned to goodwill. Goodwill was $36,717 and $38,419 at December 31, 2018 and 2017, respectively, all of which relates to the Electronics segment. Goodwill is not amortized, but instead is tested for impairment at least annually, or earlier when events and circumstances indicate that it is more likely than not that such assets have been impaired, by applying a fair value-based test. In conducting our annual impairment assessment testing, we first perform a qualitative assessment of whether it is more likely than not that a reporting unit’s fair value is less than its carrying amount. If not, no further goodwill impairment testing is performed. If it is more likely than not that a reporting unit’s fair value is less than its carrying amount, or if we elect not to perform a qualitative assessment of a reporting unit, we then compare the fair value of the reporting unit to the related net book value. If the net book value of a reporting unit exceeds its fair value, an impairment loss is measured and recognized. The Company utilizes an income statement approach to estimate the fair value of a reporting unit and a market valuation approach to further support this analysis. The income approach is based on projected debt-free cash flow which is discounted to the present value using discount factors that consider the timing and risk of cash flows. We believe that this approach is appropriate because it provides a fair value estimate based on the reporting unit’s expected long-term operating cash flow performance. This approach also mitigates the impact of cyclical trends that occur in the industry. Fair value is estimated using internally developed forecasts, as well as commercial and discount rate assumptions. The discount rate used is the value-weighted average of our estimated cost of equity and of debt (“cost of capital”) derived using both known and estimated customary market metrics. Our weighted average cost of capital is adjusted to reflect a risk factor, if necessary. Other significant assumptions include terminal value growth rates, terminal value margin rates, future capital expenditures and changes in future working capital requirements. While there are inherent uncertainties related to the assumptions used and to management’s application of these assumptions to this analysis, we believe that the income statement approach provides a reasonable estimate of the fair value of a reporting unit. The market valuation approach is used to further support our analysis. There was no impairment of goodwill for the years ended December 31, 2018, 2017 or 2016. Goodwill and changes in the carrying amount of goodwill by segment for the years ended December 31, 2018 and 2017 were as follows: Electronics Balance at January 1, 2018 $ 38,419 Currency translation (1,702) Balance at December 31, 2018 $ 36,717 Electronics Balance at January 1, 2017 $ 931 Acquisition of business 33,628 Currency translation 3,860 Balance at December 31, 2017 $ 38,419 The Company’s cumulative goodwill impairment loss since inception was $300,083 at December 31, 2018 and 2017, which includes PST’s goodwill impairment in 2014 and goodwill impairment recorded by the Company’s Control Devices segment in 2008 and 2004. Other Intangible Assets Other intangible assets, net at December 31, 2018 and 2017 consisted of the following: Acquisition Accumulated As of December 31, 2018 cost amortization Net Customer lists $ 52,200 $ (14,549) $ 37,651 Tradenames 20,689 (5,884) 14,805 Technology 15,581 (6,005) 9,576 Total $ 88,470 $ (26,438) $ 62,032 Acquisition Accumulated As of December 31, 2017 cost amortization Net Customer lists $ 57,672 $ (12,695) $ 44,977 Tradenames 23,546 (5,646) 17,900 Technology 17,443 (5,077) 12,366 Other 41 (41) - Total $ 98,702 $ (23,459) $ 75,243 Other intangible assets, net at December 31, 2018 for customer lists, tradenames, and technology include $25,501, $4,939 and $4,566, respectively, related to the Electronics segment and customer lists, tradenames and technology of $12,150, $9,866 and $5,010, respectively, related to the PST segment. The Company recognized $6,406, $6,440 and $3,259 of amortization expense related to intangible assets in 2018, 2017 and 2016, respectively. Amortization expense is included as a component of SG&A on the consolidated statements of operations. Annual amortization expense for intangible assets is estimated to be approximately $6,205 for the years 2019 through 2023. The weighted-average remaining amortization period is approximately 12 years. For the year ended December 31, 2018 the Company recognized $202 of intangible impairment charge related to the Electronics segment customer lists as a result of the European Aftermarket restructuring as noted in Note 13. There were no intangible impairment charges for the year ended December 31, 2017.
Accrued Expenses and Other Current Liabilities	Accrued Expenses and Other Current Liabilities Accrued expenses and other current liabilities consist of the following: As of December 31 Compensation related liabilities $ 18,717 $ 22,429 Contingent consideration (A) 8,602 - Product warranty and recall obligations 7,211 6,867 Accrued income taxes 1,507 6,897 Other (B) 21,843 16,353 Total accrued expenses and other current liabilities $ 57,880 $ 52,546 (A) Accrued contingent consideration includes the Orlaco contingent consideration, as referenced in Note 2 and Note 10, and is included in accrued expenses and other current liabilities for the year ended December 31, 2018 and was included in other long-term liabilities for the year ended December 31, 2017. (B) “Other” is comprised of miscellaneous accruals, none of which individually contributed a significant portion of the total.
Income Taxes	Income Taxes The Company accounts for income taxes using the liability method. Deferred income taxes reflect the tax consequences on future years of differences between the tax basis of assets and liabilities and their financial reporting amounts. Future tax benefits are recognized to the extent that realization of such benefits is more likely than not to occur. The effect of a change in tax rates on deferred tax assets and liabilities is recognized in the period that includes the enactment date. Deferred tax assets are recognized to the extent that these assets are more likely than not to be realized (See Note 6). In making such a determination, the Company considers all available positive and negative evidence, including future release of existing taxable temporary differences, projected future taxable income, tax planning strategies, and results of recent operations. Release of some or all of a valuation allowance would result in the recognition of certain deferred tax assets and a decrease to income tax expense for the period the release is recorded. The Company’s policy is to provide for uncertain tax positions and the related interest and penalties based upon management’s assessment of whether a tax benefit is more likely than not to be sustained upon examination by tax authorities. To the extent the Company prevails in matters for which a liability for an unrecognized tax benefit is established or is required to pay amounts in excess of the liability, the Company’s effective tax rate in a given financial statement period may be affected. The Tax Legislation created a provision known as Global Intangible Low-Taxed Income (“GILTI”) that imposes a tax on certain earnings of foreign subsidiaries. The Company has made an accounting policy election to reflect GILTI taxes, if any, as a current income tax expense in the period incurred.
Currency Translation	Currency Translation The financial statements of foreign subsidiaries, where the local currency is the functional currency, are translated into U.S. dollars using exchange rates in effect at the period end for assets and liabilities and average exchange rates during each reporting period for the results of operations. Adjustments resulting from translation of financial statements are reflected as a component of accumulated other comprehensive loss in the Company’s consolidated balance sheets. Foreign currency transactions are remeasured into the functional currency using translation rates in effect at the time of the transaction with the resulting adjustments included on the consolidated statements of operations within other expense, net. These foreign currency transaction losses (gains), including the impact of hedging activities, were $(487), $500 and $(268) for the years ended December 31, 2018, 2017 and 2016, respectively.
Revenue Recognition and Sales Commitments	Revenue Recognition and Sales Commitments The Company recognizes revenue when obligations under the terms of a contract with our customer are satisfied; generally this occurs with the transfer of control of our products and services, which is usually when the parts are shipped or delivered to the customer’s premises. The Company recognizes monitoring service revenues over time, as the services are provided to customers. Revenue is measured as the amount of consideration we expect to receive in exchange for transferring goods or providing services. The transaction price will include estimates of variable consideration to the extent it is probable that a significant reversal of revenue recognized will not occur. Incidental items that are not significant in the context of the contract are recognized as expense. The Company collects certain taxes and fees on behalf of government agencies and remits such collections on a periodic basis. The taxes are collected from customers but are not included in net sales. Estimated returns are based on historical authorized returns. The Company often enters into agreements with its customers at the beginning of a given vehicle’s expected production life. Once such agreements are entered into, it is the Company’s obligation to fulfill the customers’ purchasing requirements for the entire production life of the vehicle. These agreements are subject to potential renegotiation from time to time, which may affect product pricing. See Note 3 for additional disclosure.
Shipping and Handling Costs	Shipping and Handling Costs Shipping and handling costs are included in COGS on the consolidated statements of operations.
Product Warranty and Recall Reserves	Product Warranty and Recall Reserves Amounts accrued for product warranty and recall claims are established based on the Company’s best estimate of the amounts necessary to settle existing and future claims on products sold as of the balance sheet dates. These accruals are based on several factors including past experience, production changes, industry developments and various other considerations including insurance coverage. The Company can provide no assurances that it will not experience material claims or that it will not incur significant costs to defend or settle such claims beyond the amounts accrued or beyond what the Company may recover from its suppliers. The current portion of the product warranty and recall reserve is included as a component of accrued expenses and other current liabilities on the consolidated balance sheets. Product warranty and recall includes $3,283 and $3,112 of a long-term liability at December 31, 2018 and 2017, respectively, which is included as a component of other long-term liabilities on the consolidated balance sheets. The following provides a reconciliation of changes in the product warranty and recall reserve: Year ended December 31, Product warranty and recall at beginning of period $ 9,979 $ 9,344 Accruals for warranties established during period 6,217 4,933 Assumed warranty liability related to Orlaco - 899 Aggregate changes in pre-existing liabilities due to claim developments 646 4,899 Settlements made during the period (5,831) (10,407) Foreign currency translation (517) 311 Product warranty and recall at end of period $ 10,494 $ 9,979
Design and Development Costs	Design and Development Costs Expenses associated with the development of new products, and changes to existing products are charged to expense as incurred, and are included in the Company’s consolidated statements of operations as a separate component of costs and expenses. These product development costs amounted to $51,074, $48,877 and $40,212 for the years ended December 31, 2018, 2017 and 2016, respectively, or 5.9%, 5.9% and 5.8% of net sales for these respective periods.
Research and Development Activities	Research and Development Activities The Company enters into research and development contracts with certain customers, which generally provide for reimbursement of costs. The Company incurred and was reimbursed for contracted research and development costs of $16,540, $14,946 and $12,764 for the years ended December 31, 2018, 2017 and 2016, respectively.
Share-Based Compensation	Share-Based Compensation At December 31, 2018, the Company had two types of share-based compensation plans: (1) Long-Term Incentive Plan for employees and (2) the Amended Directors’ Restricted Shares Plan, for non-employee directors. The Long-Term Incentive Plan is made up of the Long-Term Incentive Plan which expired on June 30, 2007, the Amended and Restated Long-Term Incentive Plan, as amended, which expired on April 24, 2016 and the 2016 Long-Term Incentive Plan that was approved by shareholders on May 10, 2016, and expires on May 10, 2026. Total compensation expense recognized as a component of SG&A expense on the consolidated statements of operations for share-based compensation arrangements was $5,632, including the forfeiture of certain grants associated with employee resignations, $7,265, related to higher attainment of performance-based awards and accelerated expense associated with the retirement of eligible employees, and $6,134, including $545 from the accelerated vesting in connection with the retirement of the Company’s former President and Chief Executive Officer, for the years ended December 31, 2018, 2017 and 2016, respectively. There was no share-based compensation expense capitalized in inventory during 2018, 2017 or 2016.
Financial Instruments and Derivative Financial Instruments	Financial Instruments and Derivative Financial Instruments Financial instruments, including derivative financial instruments, held by the Company include cash and cash equivalents, accounts receivable, accounts payable, long-term debt and foreign currency forward contracts. The carrying value of cash and cash equivalents, accounts receivable and accounts payable is considered to be representative of fair value because of the short maturity of these instruments. See Note 10 for fair value disclosures of the Company’s financial instruments.
Common Shares Held in Treasury	Common Shares Held in Treasury The Company accounts for Common Shares held in treasury under the cost method (applied on a FIFO basis) and includes such shares as a reduction of total shareholders’ equity.
Earnings Per Share	Earnings Per Share Basic earnings per share was computed by dividing net income attributable to Stoneridge Inc. by the weighted-average number of Common Shares outstanding for each respective period. Diluted earnings per share was calculated by dividing net income attributable to Stoneridge, Inc. by the weighted-average of all potentially dilutive Common Shares that were outstanding during the periods presented. Actual weighted-average Common Shares outstanding used in calculating basic and diluted net income per share were as follows: Year ended December 31, Basic weighted-average Common Shares outstanding 28,402,227 28,082,114 27,763,990 Effect of dilutive shares 677,599 689,531 544,932 Diluted weighted-average Common Shares outstanding 29,079,826 28,771,645 28,308,922 There were no performance-based restricted Common Shares outstanding at December 31, 2018, 2017 or 2016. There were also 628,220, 766,538 and 843,140 performance-based right to receive Common Shares outstanding at December 31, 2018, 2017 and 2016. These performance-based restricted and right to receive Common Shares are included in the computation of diluted earnings per share based on the number of Common Shares that would be issuable if the end of the year were the end of the contingency period.
Deferred Finance Costs, net	Deferred Financing Costs, net Deferred financing costs are amortized over the life of the related financial instrument using the straight-line method, which approximates the effective interest method. Deferred finance cost amortization and debt discount accretion for the years ended December 31, 2018, 2017 and 2016 was $326, $324 and $355, respectively, and is included as a component of interest expense, net in the consolidated statements of operations. The Company has elected to continue to present deferred financing costs related to the Credit Facility within long-term assets in the Company’s consolidated balance sheets. Deferred financing costs, net, were $882 and $1,208, as of December 31, 2018 and 2017, respectively.
Changes in Accumulated Other Comprehensive Loss by Component	Changes in Accumulated Other Comprehensive Loss by Component Changes in accumulated other comprehensive loss for the years ended December 31, 2018 and 2017 were as follows: Foreign Unrealized currency gain (loss) translation on derivatives Total Balance at January 1, 2018 $ (69,417) $ (143) $ (69,560) Other comprehensive (loss) income before reclassifications (16,627) 1,448 (15,179) Amounts reclassified from accumulated other comprehensive loss - (1,013) (1,013) Net other comprehensive (loss) income, net of tax (16,627) 435 (16,192) Balance at December 31, 2018 $ (86,044) $ 292 $ (85,752) Balance at January 1, 2017 $ (67,895) $ (18) $ (67,913) Other comprehensive income before reclassifications 15,473 509 15,982 Amounts reclassified from accumulated other comprehensive loss - (634) (634) Net other comprehensive income (loss), net of tax 15,473 (125) 15,348 Reclassification of foreign currency translation associated with noncontrolling interest acquired (16,995) - - Balance at December 31, 2017 $ (69,417) $ (143) $ (69,560)
Reclassifications	Reclassifications Certain prior period amounts have been reclassified to conform to their 2018 presentation in the consolidated financial statements.
Recently Issued Accounting Standards	Recently Adopted Accounting Standards In March 2018, the Financial Accounting Standards Board (“FASB”) issued Accounting Standards Update (“ASU”) 2018-05, “Income Taxes – Amendments to SEC Paragraphs Pursuant to SEC Staff Accounting Bulletin No. 118.” The standard provides for a provisional one-year measurement period for entities to finalize their accounting for certain tax effects of the Tax Legislation. The Company adopted this standard as of January 1, 2018, which did not have a material impact on its consolidated financial statements. The Company has completed its accounting for SAB 118 as of December 31, 2018. In January 2017, the FASB issued ASU 2017‑01, “Clarifying the Definition of a Business (Topic 805)”. It revises the definition of a business and provides a framework to evaluate when an input and a substantive process are present in an acquisition to be considered a business. This guidance was effective for annual periods beginning after December 15, 2017. The Company adopted this standard on January 1, 2018, which did not have a material impact on its consolidated financial statements. In October 2016, the FASB issued ASU 2016-16, “Accounting for Income Taxes: Intra-Entity Asset Transfers of Assets Other than Inventory (Topic 740)”. This guidance requires that the tax effects of all intra-entity sales of assets other than inventory be recognized in the period in which the transaction occurs. The Company adopted this standard on January 1, 2018, which did not have a material impact on its consolidated financial statements. In August 2016, the FASB issued ASU 2016-15, “Statement of Cash Flows - Classification of Certain Cash Receipts and Cash Payments (Topic 230)”, which provides guidance on the presentation and classification of certain cash receipts and cash payments in the statement of cash flows in order to reduce diversity in practice. This ASU was effective for interim and annual periods beginning after December 15, 2017. The Company adopted this standard as of January 1, 2018, which did not have a material impact on its consolidated financial statements. In January 2016, the FASB issued ASU 2016-01, “ Financial Instruments – Overall (Subtopic 825-10): Recognition and Measurement of Financial Assets and Financial Liabilities.” The standard requires equity investments and other ownership interests in unconsolidated entities (other than those accounted for using the equity method of accounting or those that result in consolidation of the investee) to be measured at fair value with changes in fair value recognized in net income. The Company adopted this standard as of January 1, 2018, which did not have a material impact on its consolidated financial statements. In May 2014, the FASB issued ASU 2014-09, “Revenue from Contracts with Customers” and related amendments, which is the new comprehensive revenue recognition standard (collectively known as Accounting Standard Codification (“ASC”) 606) that has superseded existing revenue recognition guidance under U.S. GAAP. The standard’s core principle is that a company will recognize revenue when it transfers promised goods or services to a customer in an amount that reflects the consideration to which a company expects to be entitled in exchange for those goods or services. To achieve this principle, an entity identifies the contract with a customer, identifies the separate performance obligations in the contract, determines the transaction price, allocates the transaction price to the separate performance obligations and recognizes revenue when each separate performance obligation is satisfied. The Company adopted this standard on January 1, 2018 using the modified retrospective transition method. Under the modified retrospective method, the Company would have recognized the cumulative effect of initially applying the standard as an adjustment to opening retained earnings at the date of initial application; however, the Company did not have any material adjustments as of the date of the adoption. The Company has not experienced a material impact on its results of operations from the adoption of ASC 606; however, the Company has expanded its disclosures consistent with the requirements of the new standard and the Company will continue to evaluate new contracts to apply the framework of ASC 606. In particular, the Company will evaluate new contracts with customers analyzing the impact, if any, on revenue from the sale of production parts, particularly in regards to material rights, variable consideration and the impact of termination clauses on the timing of revenue recognition. The majority of our revenue continues to be recognized when products are shipped from our manufacturing facilities. The Company has not changed how it accounts for reimbursable pre-production costs, currently accounted for as a reduction of costs incurred. Refer to Note 3 for the expanded revenue disclosures. Recently Issued Accounting Standards Not Yet Adopted as of December 31, 2018 In January 2018, the FASB issued ASU 2018-02, “Income Statement – Reporting Comprehensive Income (Topic 220): Reclassification of Certain Tax Effects from Accumulated Other Comprehensive Income.” This guidance gives entities the option to reclassify to retained earnings the tax effects resulting from the enactment of Tax Cuts and Jobs Act (Tax Legislation”) related to items in accumulated other comprehensive income (“AOCI”) that the FASB refers to as having been stranded in AOCI. The new guidance is effective for fiscal years beginning after December 15, 2018 and interim periods within those fiscal years. Early adoption is permitted for periods for which financial statements have not yet been issued or made available for issuance, including the period the Tax Legislation was enacted. The Company will adopt this standard as of January 1, 2019, which is not expected to have a material impact on its consolidated financial statements. In June 2016, the FASB issued ASU 2016-13, “Financial Instruments - Credit Losses (Topic 326) Measurement of Credit Losses on Financial Instruments”, which requires measurement and recognition of expected credit losses for financial assets held and requires enhanced disclosures regarding significant estimates and judgments used in estimating credit losses. ASU 2016-13 is effective for public business entities for annual periods beginning after December 15, 2019, and early adoption is permitted for annual periods beginning after December 15, 2018. The Company is currently evaluating the impact of its pending adoption of ASU 2016-13 on the consolidated financial statements. The Company will adopt this standard as of January 1, 2020 and are still evaluating the impact on its consolidated financial statements. In February 2016, the FASB issued ASU 2016‑02, “Leases (Topic 842)”, which will require that a lessee recognize assets and liabilities on the balance sheet for all leases with a lease term of more than twelve months, with the result being the recognition of a right of use asset and a lease liability. The new standard is effective for fiscal years, and interim periods within those fiscal years, beginning after December 15, 2018. The Company will adopt this standard as of January 1, 2019 using the modified retrospective approach and will elect the transition option to use the effective date January 1, 2019, as the date of initial application. The Company will not adjust its comparative period financial statements for effects of the ASU 2016-02, or make the new required lease disclosures for periods before the effective date. The Company will recognize its cumulative effect transition adjustment as of the effective date. In addition, the Company will elect the package of practical expedients permitted under the transition guidance within the new standard. The impact of adoption will result in the recognition of right of use assets estimated in the range of $15,600 to $21,200, with corresponding lease liabilities of the same amount. The standard will not have a significant impact on the Company’s consolidated results of operations and cash flows.

Summary of Significant Accoun_3

Summary of Significant Accounting Policies (Tables)	12 Months Ended
	Dec. 31, 2018
Summary of Significant Accounting Policies [Abstract]
Schedule of Accounts Receivable and Concentration of Credit Risk	Ford Motor Company 12 % 14 % 17 % Volvo 8 % 6 % 6 %
Schedule of Inventory, Current	December 31, Raw materials $ 54,382 $ 47,588 Work-in-progress 4,710 5,806 Finished goods 20,186 20,077 Total inventories, net $ 79,278 $ 73,471
Schedule of Business Combination Consideration Transferred	Cash $ 79,675 Fair value of earn-out consideration and other adjustments 4,208 Total purchase price $ 83,883
Schedule of Purchase Price Allocation	At January 31, 2017 Cash $ 2,165 Accounts receivable 7,929 Inventory 9,409 Prepaid and other current assets 298 Property, plant and equipment 6,668 Identifiable intangible assets 38,739 Other long-term assets 6 Total identifiable assets acquired 65,214 Accounts payable 3,020 Other current liabilities 834 Deferred tax liabilities 10,206 Warranty liability 899 Total liabilities assumed 14,959 Net identifiable assets acquired 50,255 Goodwill 33,628 Net assets acquired $ 83,883
Business Acquisition, Pro Forma Information	Year ended December 31 Net sales $ 829,474 $ 752,864 Net income attributable to Stoneridge, Inc. and subsidiaries $ 45,283 $ 8,218
Property, Plant and Equipment	December 31, Land and land improvements $ 4,619 $ 4,863 Buildings and improvements 37,234 37,581 Machinery and equipment 212,225 192,107 Office furniture and fixtures 9,929 10,070 Tooling 75,620 75,038 Information technology 27,179 27,466 Vehicles 872 881 Leasehold improvements 2,799 2,841 Construction in progress 23,064 24,312 Total property, plant, and equipment 393,541 375,159 Less: accumulated depreciation (281,328) (264,757) Property, plant and equipment, net $ 112,213 $ 110,402
Schedule of Property, Plant and Equipment Estimated Useful Lives	Buildings and improvements 10-40 years Machinery and equipment 3-10 years Office furniture and fixtures 3-10 years Tooling 2-5 years Information technology 3-7 years Vehicles 3-5 years Leasehold improvements shorter of lease term or 3-10 years
Schedule of Goodwill	Electronics Balance at January 1, 2018 $ 38,419 Currency translation (1,702) Balance at December 31, 2018 $ 36,717 Electronics Balance at January 1, 2017 $ 931 Acquisition of business 33,628 Currency translation 3,860 Balance at December 31, 2017 $ 38,419
Schedule of Acquired Finite-Lived Intangible Assets by Major Class	Acquisition Accumulated As of December 31, 2018 cost amortization Net Customer lists $ 52,200 $ (14,549) $ 37,651 Tradenames 20,689 (5,884) 14,805 Technology 15,581 (6,005) 9,576 Total $ 88,470 $ (26,438) $ 62,032 Acquisition Accumulated As of December 31, 2017 cost amortization Net Customer lists $ 57,672 $ (12,695) $ 44,977 Tradenames 23,546 (5,646) 17,900 Technology 17,443 (5,077) 12,366 Other 41 (41) - Total $ 98,702 $ (23,459) $ 75,243
Accrued Expenses and Other Current Liabilities	As of December 31 Compensation related liabilities $ 18,717 $ 22,429 Contingent consideration (A) 8,602 - Product warranty and recall obligations 7,211 6,867 Accrued income taxes 1,507 6,897 Other (B) 21,843 16,353 Total accrued expenses and other current liabilities $ 57,880 $ 52,546 (A) Accrued contingent consideration includes the Orlaco contingent consideration, as referenced in Note 2 and Note 10, and is included in accrued expenses and other current liabilities for the year ended December 31, 2018 and was included in other long-term liabilities for the year ended December 31, 2017. (B) “Other” is comprised of miscellaneous accruals, none of which individually contributed a significant portion of the total.
Schedule of Product Warranty and Recall Liability	Year ended December 31, Product warranty and recall at beginning of period $ 9,979 $ 9,344 Accruals for warranties established during period 6,217 4,933 Assumed warranty liability related to Orlaco - 899 Aggregate changes in pre-existing liabilities due to claim developments 646 4,899 Settlements made during the period (5,831) (10,407) Foreign currency translation (517) 311 Product warranty and recall at end of period $ 10,494 $ 9,979
Schedule of Weighted-Average Number of Shares	Year ended December 31, Basic weighted-average Common Shares outstanding 28,402,227 28,082,114 27,763,990 Effect of dilutive shares 677,599 689,531 544,932 Diluted weighted-average Common Shares outstanding 29,079,826 28,771,645 28,308,922
Changes in Accumulated Other Comprehensive Loss by Component	Foreign Unrealized currency gain (loss) translation on derivatives Total Balance at January 1, 2018 $ (69,417) $ (143) $ (69,560) Other comprehensive (loss) income before reclassifications (16,627) 1,448 (15,179) Amounts reclassified from accumulated other comprehensive loss - (1,013) (1,013) Net other comprehensive (loss) income, net of tax (16,627) 435 (16,192) Balance at December 31, 2018 $ (86,044) $ 292 $ (85,752) Balance at January 1, 2017 $ (67,895) $ (18) $ (67,913) Other comprehensive income before reclassifications 15,473 509 15,982 Amounts reclassified from accumulated other comprehensive loss - (634) (634) Net other comprehensive income (loss), net of tax 15,473 (125) 15,348 Reclassification of foreign currency translation associated with noncontrolling interest acquired (16,995) - - Balance at December 31, 2017 $ (69,417) $ (143) $ (69,560)

Revenue (Tables)

Revenue (Tables)	12 Months Ended
	Dec. 31, 2018
Revenue [Abstract]
Revenue by Segment and Geographical Location	Year ended Control Devices Electronics PST Consolidated December 31 Net Sales: North America $ 395,148 $ 409,596 $ 85,363 $ 62,174 $ - $ - $ 480,511 $ 471,770 South America - - - - 80,175 94,533 80,175 94,533 Europe 14,727 8,164 255,400 216,577 - - 270,127 224,741 Asia Pacific 31,422 29,768 3,964 3,632 - - 35,386 33,400 Total net sales $ 441,297 $ 447,528 $ 344,727 $ 282,383 $ 80,175 $ 94,533 $ 866,199 $ 824,444

Investments (Tables)

Investments (Tables)	12 Months Ended
	Dec. 31, 2018
Investments [Abstract]
Summary of the change in noncontrolling interest	Year ended December 31 Noncontrolling interest at beginning of period $ 13,762 $ 13,310 Net loss (130) (1,887) Foreign currency translation 826 2,339 Comprehensive income 696 452 Acquisition of noncontrolling interest (14,458) - Noncontrolling interest at end of period $ - $ 13,762

Debt (Tables)

Debt (Tables)	12 Months Ended
	Dec. 31, 2018
Debt [Abstract]
Schedule of Debt	December 31, 2018 December 31, 2017 Interest rates at December 31, 2018 Maturity Revolving Credit Facility Credit Facility $ 96,000 $ 121,000 3.40% - 3.58% September 2021 Debt PST short-term obligations 989 - 10.0% - 11.27% PST long-term notes 1,527 8,016 November 2021 Other - 28 Total debt 2,516 8,044 Less: current portion (1,533) (4,192) Total long-term debt, net $ 983 $ 3,852
Future Maturities of Long-Term Debt	Year ended December 31, 2019 $ 1,533 2020 513 2021 96,470 2022 - 2023 - Total $ 98,516

Income Taxes (Tables)

Income Taxes (Tables)	12 Months Ended
	Dec. 31, 2018
Income Taxes [Abstract]
Schedule of Components of Income Tax Expense (Benefit)	Year ended December 31 Income before income taxes: Domestic $ 32,907 $ 36,657 $ 35,088 Foreign 32,151 15,925 4,097 Total income before income taxes $ 65,058 $ 52,582 $ 39,185 Provision for income taxes: Current: Federal $ 2,370 $ 2,478 $ 760 State and foreign 6,288 11,014 2,575 Total current expense 8,658 13,492 3,335 Deferred: Federal $ 3,788 $ (2,585) $ (37,828) State and foreign (1,236) (3,374) (1,896) Total deferred benefit 2,552 (5,959) (39,724) Total income tax (benefit) expense $ 11,210 $ 7,533 $ (36,389)
Schedule of Effective Income Tax Rate Reconciliation	Year ended December 31 Statutory U.S. federal income tax rate 21.0 % 35.0 % 35.0 % State income taxes, net of federal tax benefit 0.1 (0.8) 1.9 Tax credits and incentives (7.9) (4.2) (0.8) Foreign tax rate differential 1.1 (4.5) (4.7) Impact of change in enacted tax law (1.3) (17.2) - Change in valuation allowance (3.0) 4.2 (121.6) U.S. tax on foreign earnings 1.0 - - Compensation and benefits 1.3 (1.1) 0.3 Other (A) 4.9 2.9 (2.9) Effective income tax rate 17.2 % 14.3 % (92.8) % (A) The amount for 2018 includes the impact of reducing tax attributes due to legal entity consolidation which is completely offset with change in valuation allowance.
Schedule of Deferred Tax Assets and Liabilities	As of December 31 Deferred tax assets: Inventories $ 2,135 $ 1,921 Employee compensation and benefits 1,225 2,647 Accrued liabilities and reserves 4,181 5,187 Property, plant and equipment 647 1,045 Tax loss carryforwards 8,437 10,929 Tax credit carryforwards 26,221 29,744 Other 410 416 Gross deferred tax assets 43,256 51,889 Less: Valuation allowance (8,962) (11,986) Deferred tax assets less valuation allowance 34,294 39,903 Deferred tax liabilities: Property, plant and equipment (2,545) (3,489) Intangible assets (16,683) (22,067) Outside basis difference in foreign subsidiary (13,750) (13,750) Other (4,090) (3,243) Gross deferred tax liabilities (37,068) (42,549) Net deferred tax liabilities $ (2,774) $ (2,646)
Schedule of classification of Net Deferred Tax Assets and Liability	Year ended December 31 Long-term deferred tax assets $ 12,121 $ 16,228 Long-term deferred tax liabilities (14,895) (18,874) Net deferred tax liabilities $ (2,774) $ (2,646)
Summary of Income Tax Contingencies	Balance as of January 1 $ 3,645 $ 3,839 $ 4,304 Tax positions related to the current year: Additions - 31 208 Tax positions related to the prior years: Reductions (165) (176) (61) Expirations of statutes of limitation 1 (49) (612) Balance as of December 31 $ 3,481 $ 3,645 $ 3,839
Schedule of Tax Years Open for Examination	Jurisdiction Open Tax Years U.S. Federal 2015-2018 Argentina 2013-2018 Brazil 2013-2018 China 2015-2018 France 2016-2018 Germany 2015-2018 Italy 2013-2018 Mexico 2013-2018 Netherlands 2015-2018 Spain 2014-2018 Sweden 2013-2018 United Kingdom 2017-2018

Operating Lease Commitments (Ta

Operating Lease Commitments (Tables)	12 Months Ended
	Dec. 31, 2018
Operating Lease Commitments [Abstract]
Schedule of Future Minimum Rental Payments for Operating Leases	Year ended December 31, 2019 $ 5,691 2020 4,131 2021 3,256 2022 2,444 2023 2,477 Thereafter 4,106 Total $ 22,105

Share-Based Compensation Plans

Share-Based Compensation Plans (Tables)	12 Months Ended
	Dec. 31, 2018
Share-Based Compensation [Abstract]
Schedule of the Allocation of Performance Shares Between Total Shareholder Return and Earnings per Share	Total shareholder return 55 % 55 % 55 % Earnings per share 45 % 45 % 45 %
Disclosure of Share-based Compensation Arrangements by Share-based Payment Award	A summary of the status of the Company’s non-vested share units as of December 31, 2018 and the changes during the year then ended, are presented below: Performance-based Time-based awards awards Weighted- Weighted- Common average grant Common average grant Shares date fair value Shares date fair value Non-vested as of December 31, 2017 443,152 $ 15.01 744,188 $ 14.92 Granted 176,116 $ 24.69 215,490 $ 29.41 Vested (182,451) $ 13.21 (284,462) $ 11.19 Forfeited or cancelled (16,821) $ 19.99 (46,996) $ 17.13 Non-vested as of December 31, 2018 419,996 $ 19.64 628,220 $ 21.41 A summary of the status of the Company’s non-vested share units as of December 31, 2017 and the changes during the year then ended, are presented below: Time-based awards Weighted- Performance-based Common average grant Common average grant Shares date fair value Shares date fair value Non-vested as of December 31, 2016 612,037 $ 12.32 825,140 $ 12.14 Granted 177,664 $ 18.73 217,495 $ 21.54 Vested (310,207) $ 12.05 (165,783) $ 11.72 Forfeited or cancelled (36,342) $ 13.23 (132,664) $ 12.52 Non-vested as of December 31, 2017 443,152 $ 15.01 744,188 $ 14.92

Financial Instruments and Fai_2

Financial Instruments and Fair Value Measurements (Tables)	12 Months Ended
	Dec. 31, 2018
Financial Instruments and Fair Value Measurements [Abstract]
Notional Amounts and Fair Values of Derivative Instruments in the Consolidated Balance	Prepaid expenses Accrued expenses and Notional amounts (A) and other current assets other current liabilities December 31 Derivatives designated as hedging instruments: Cash flow hedges: Forward currency contracts $ 9,017 $ 9,143 $ 370 $ - $ - $ 221 Derivatives not designated as hedging instruments: Forward currency contracts $ - $ 1,486 $ - $ - $ - $ 48 (A) Notional amounts represent the gross contract / notional amount of the derivatives outstanding.
Amounts Recorded for the Cash Flow Hedges in Other Comprehensive Income (Loss) in Shareholders' Equity and in Net Income	Gains (loss) reclassified from Gain (loss) recorded in other other comprehensive income comprehensive income (loss) (loss) into net income (A) 2016 Derivatives designated as cash flow hedges: Forward currency contracts $ 1,967 $ 441 $ (582) $ 1,376 $ 634 $ (164) (A) Gains and losses reclassified from comprehensive loss into net income were recognized in COGS in the Company’s consolidated statements of operations.
Schedule of Assets and Liabilities that are Measured at Fair Value on a Recurring Basis	The following table presents our assets and liabilities that are measured at fair value on a recurring basis and are categorized using the three levels of the fair value hierarchy based on the reliability of inputs used. December 31, December 31, Fair values estimated using Level 1 Level 2 Level 3 Fair value inputs inputs inputs Fair value Financial assets carried at fair value: Forward currency contracts $ 370 $ - $ 370 $ - $ - Total financial assets carried at fair value $ 370 $ - $ 370 $ - $ - Financial liabilities carried at fair value: Forward currency contracts $ - $ - $ - $ - $ 269 Earn-out consideration 18,672 - - 18,672 20,746 Total financial liabilities carried at fair value $ 18,672 $ - $ - $ 18,672 $ 21,015
Summary of the Change in Fair Value of the Level 3 Financial Liabilities Related to Contingent Consideration	The following table sets forth a summary of the change in fair value of the Company’s Level 3 financial liabilities related to earn-out consideration that are measured at fair value on a recurring basis. Orlaco PST Total Balance at December 31, 2017 $ 8,637 $ 12,109 $ 20,746 Change in fair value 369 (156) 213 Foreign currency adjustments (404) (1,883) (2,287) Balance at December 31, 2018 $ 8,602 $ 10,070 $ 18,672 Orlaco PST Total Balance at December 31, 2016 $ - $ - $ - Fair value on acquisition date 3,243 10,180 13,423 Change in fair value 4,853 2,632 7,485 Foreign currency adjustments 541 (703) (162) Balance at December 31, 2017 $ 8,637 $ 12,109 $ 20,746

Restructuring and Business Re_2

Restructuring and Business Realignment (Tables)	12 Months Ended
	Dec. 31, 2018
Schedule of Restructuring and Related Costs	Business realignment charges by reportable segment were as follows: Year ended December 31 Control Devices (A) $ 169 $ - $ - Electronics (B) 63 1,223 1,180 PST (C) 478 589 1,437 Total business realignment charges $ 710 $ 1,812 $ 2,617 (A) Business realignment severance costs for the year ended December 31, 2018 related to D&D were $128. Business realignment severance costs for the year ended December 31, 2017 related to SG&A were $41. (B) Business realignment severance costs for the year ended December 31, 2018 related to SG&A were $63. Business realignment severance costs for the year ended December 31, 2017 related to COGS and SG&A were $56 and $1,167, respectively. Business realignment severance costs for the year ended December 31, 2016 related to SG&A and D&D were $196 and $984, respectively. (C) Business realignment severance costs for the year ended December 31, 2018 related to COGS, SG&A and D&D were $63, $386 and $29, respectively. Business realignment severance costs for the year ended December 31, 2017 related to COGS, SG&A and D&D were $370, $218 and $1, respectively. Business realignment severance costs for the year ended December 31, 2016 related to COGS, SG&A and D&D were $437, $884 and $116, respectively.
Schedule of Business Realignment Charges Classified by Statement of Operations	Business realignment charges classified by statement of operations line item were as follows: Year ended December 31 2016 Cost of goods sold $ 63 $ 426 $ 437 Selling, general and administrative 491 1,385 1,080 Design and development 156 1 1,100 Total business realignment charges $ 710 $ 1,812 $ 2,617
Electronics [Member]
Schedule of Restructuring and Related Costs	Accrual as of 2018 Charge Utilization Accrual as of January 1, 2018 to Expense Cash Non-Cash December 31, 2018 Employee termination benefits $ - $ 1,939 $ (1,419) $ - $ 520 Excess and obsolete inventory - 823 - (823) - Intangible impairment - 200 - (200) - Fixed asset impairment - 157 - (157) - Contract termination costs - 156 (139) - 17 Other related costs - 264 (145) - 119 Total $ - $ 3,539 $ (1,703) $ (1,180) $ 656

Segment Reporting (Tables)

Segment Reporting (Tables)	12 Months Ended
	Dec. 31, 2018
Segment Reporting [Abstract]
Schedule of Segment Reporting Information, by Segment	A summary of financial information by reportable segment is as follows: Year ended December 31 Net Sales: Control Devices $ 441,297 $ 447,528 $ 408,132 Inter-segment sales 8,348 5,044 1,826 Control Devices net sales 449,645 452,572 409,958 Electronics (D) 344,727 282,383 205,256 Inter-segment sales 37,126 39,501 33,361 Electronics net sales 381,853 321,884 238,617 PST 80,175 94,533 82,589 Inter-segment sales 2 563 - PST net sales 80,177 95,096 82,589 Eliminations (45,476) (45,108) (35,187) Total net sales $ 866,199 $ 824,444 $ 695,977 Operating Income (Loss): Control Devices $ 64,191 $ 72,555 $ 61,815 Electronics (D) 28,236 18,119 14,798 PST 4,989 2,661 (3,462) Unallocated Corporate (A) (30,412) (35,965) (29,069) Total operating income $ 67,004 $ 57,370 $ 44,082 Depreciation and Amortization: Control Devices $ 11,914 $ 10,887 $ 10,276 Electronics (D) 8,982 8,143 3,971 PST 7,443 8,316 8,559 Unallocated Corporate 852 584 452 Total depreciation and amortization (B) $ 29,191 $ 27,930 $ 23,258 Interest Expense, net: Control Devices $ 76 $ 103 $ 226 Electronics 85 119 142 PST 824 1,812 3,396 Unallocated Corporate 3,735 3,749 2,513 Total interest expense, net $ 4,720 $ 5,783 $ 6,277 Capital Expenditures: Control Devices $ 16,737 $ 17,484 $ 13,261 Electronics (D) 5,965 8,158 5,665 PST 3,242 3,831 3,213 Unallocated Corporate (C) 3,083 2,697 2,337 Total capital expenditures $ 29,027 $ 32,170 $ 24,476 December 31, December 31, Total Assets: Control Devices $ 175,708 $ 164,632 Electronics (D) 265,838 252,324 PST 81,002 100,382 Corporate (C) 359,837 377,657 Eliminations (322,866) (335,958) Total assets $ 559,519 $ 559,037 The following table presents net sales and long-term assets for the geographic areas in which the Company operates: Year ended December 31 Net Sales: North America $ 480,511 $ 471,770 $ 428,046 South America 80,175 94,533 82,589 Europe and Other (D) 305,513 258,141 185,342 Total net sales $ 866,199 $ 824,444 $ 695,977 December 31, December 31, Long-term Assets: North America $ 86,763 $ 89,997 South America 45,408 58,989 Europe and Other (D) 107,171 106,682 Total long-term assets $ 239,342 $ 255,668 (A) Unallocated Corporate expenses include, among other items, accounting/finance, human resources, information technology and legal costs as well as share-based compensation. (B) These amounts represent depreciation and amortization on property, plant and equipment and certain intangible assets. (C) Assets located at Corporate consist primarily of cash, intercompany loan receivables, fixed assets for the headquarter building, information technology assets, equity investments and investments in subsidiaries. (D) The amounts for 2018 and 2017 include the Orlaco business which was acquired on January 31, 2017 as disclosed in Note 2.
Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas	The following table presents net sales and long-term assets for the geographic areas in which the Company operates: Year ended December 31 Net Sales: North America $ 480,511 $ 471,770 $ 428,046 South America 80,175 94,533 82,589 Europe and Other (D) 305,513 258,141 185,342 Total net sales $ 866,199 $ 824,444 $ 695,977 December 31, December 31, Long-term Assets: North America $ 86,763 $ 89,997 South America 45,408 58,989 Europe and Other (D) 107,171 106,682 Total long-term assets $ 239,342 $ 255,668 (A) Unallocated Corporate expenses include, among other items, accounting/finance, human resources, information technology and legal costs as well as share-based compensation. (B) These amounts represent depreciation and amortization on property, plant and equipment and certain intangible assets. (C) Assets located at Corporate consist primarily of cash, intercompany loan receivables, fixed assets for the headquarter building, information technology assets, equity investments and investments in subsidiaries. (D) The amounts for 2018 and 2017 include the Orlaco business which was acquired on January 31, 2017 as disclosed in Note 2.

Unaudited Quarterly Financial_2

Unaudited Quarterly Financial Data (Tables)	12 Months Ended
	Dec. 31, 2018
Unaudited Quarterly Financial Data [Abstract]
Schedule of Quarterly Financial Information	The following is a summary of quarterly results of operations: Quarter ended 2018 December 31 September 30 June 30 March 31 Net sales $ 210,814 $ 208,853 $ 220,602 $ 225,930 Gross profit 57,959 63,285 67,418 67,969 Operating income 12,664 18,312 19,181 16,847 Income tax expense 690 3,467 3,820 3,233 Net income 12,056 13,292 15,120 13,380 Earnings per share attributable to Stoneridge, Inc.: Basic (A) $ 0.42 $ 0.47 $ 0.53 $ 0.47 Diluted (A) $ 0.42 $ 0.46 $ 0.52 $ 0.46 Quarter ended 2017 December 31 September 30 June 30 March 31 Net sales $ 207,440 $ 203,582 $ 209,111 $ 204,311 Gross profit 61,026 62,549 63,414 61,151 Operating income 13,234 13,296 15,676 15,164 Income tax (benefit) expense (B) (6,036) 3,809 5,189 4,571 Net income 18,908 8,049 8,919 9,173 Net loss attributable to noncontrolling interests - - (100) (30) Net income attributable to Stoneridge, Inc. 18,908 8,049 9,019 9,203 Earnings per share attributable to Stoneridge, Inc.: Basic (A) $ 0.67 $ 0.29 $ 0.32 $ 0.33 Diluted (A) $ 0.65 $ 0.28 $ 0.32 $ 0.32 (A) Earnings per share for the year may not equal the sum of the four historical quarters earnings per share due to changes in weighted-average basic and diluted shares outstanding. The impact of the Tax Legislation was an increase in tax expense of $6,200 due to the one-time deemed repatriation tax, offset by the favorable impacts of the reduced tax rate on the Company’s net deferred tax liabilities and other deferred tax adjustments of $(15,300) million related to certain earnings included in the one-time transition tax.

Summary of Significant Accoun_4

Summary of Significant Accounting Policies (Narrative) (Details) R$ in Thousands, $ in Thousands	May 15, 2017	May 15, 2017	Dec. 31, 2011	Apr. 30, 2017	Jun. 30, 2017USD ($)	Mar. 31, 2017USD ($)	Dec. 31, 2018USD ($)shares	Dec. 31, 2017BRL (R$)	Dec. 31, 2017USD ($)shares	Dec. 31, 2016USD ($)shares	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2016shares	Jan. 01, 2019USD ($)	May 16, 2017
Accounting Policy [Line Items]
Depreciation expense							$ 22,786		$ 21,490	$ 19,998
Less: Net loss attributable to noncontrolling interest					$ (100)	$ (30)			(130)	(1,887)
Preproduction costs related to long-term supply arrangements, costs capitalized							6,875		9,260
Impairment of Goodwill							0		0	0
Intangible assets, net							62,032		75,243
Amortization							6,406		6,440	3,259
Amortization expense next year							6,205
Amortization expense year two							6,205
Amortization expense year three							6,205
Amortization expense year four							6,205
Amortization expense year five							$ 6,205
Intangible assets, weighted-average remaining amortization period, years							12 years
Intangible impairment charge							$ 202
Design and development expense							$ 51,074		$ 48,877	$ 40,212
Design and development expense percentage							5.90%	5.90%	5.90%	5.80%
Research and development expense reimbursed							$ 16,540		$ 14,946	$ 12,764
Share-based compensation expense							5,632		7,265	6,134
Share-based compensation expense capitalized as inventory							0		0	0
Cumulative goodwill impairment							300,083		300,083
Product warranty and recall accrual							3,283		3,112
Inventory amount, FIFO							64,745		54,837
Inventory amount, weighted average cost							14,533		18,634
Foreign currency transaction gain (loss)							487		(500)	268
Amortization of financing costs							326		324	355
Deferred financing costs, net							882		1,208
Selling, General and Administrative Expenses [Member]
Accounting Policy [Line Items]
Share-based compensation expense							5,632		7,265	6,134
Selling, General and Administrative Expenses [Member] | CEO Retirement Additional Expense [Member]
Accounting Policy [Line Items]
Additional stock compensation expense in connection with retirement of former President and CEO										$ 545
Prepaid Expenses and Other Current Assets [Member]
Accounting Policy [Line Items]
Preproduction costs related to long-term supply arrangements, costs capitalized							6,875		8,894
Electronics [Member]
Accounting Policy [Line Items]
Acquisition of business									33,628
Intangible impairment charge							202
PST [Member]
Accounting Policy [Line Items]
Accounts receivable sold							$ 0	R$ 7983	2,520
Gain (loss) on sale of accounts receivable								273	(86)
Proceeds from sale of accounts receivable								R$ 7710	$ 2,434
Performance Based Restricted Common Shares [Member]
Accounting Policy [Line Items]
Common shares, non-vested | shares							0		0	0					0
Share-based compensation arrangement by share-based payment award, equity instruments other than options, nonvested, number | shares							0		0	0					0
Performance Based Right to Receive Common Shares [Member]
Accounting Policy [Line Items]
Common shares, non-vested | shares							628,220		766,538	843,140					843,140
Share-based compensation arrangement by share-based payment award, equity instruments other than options, nonvested, number | shares							628,220		766,538	843,140					843,140
Customer Lists [Member]
Accounting Policy [Line Items]
Intangible assets, net							$ 37,651		$ 44,977
Customer Lists [Member] | Electronics [Member]
Accounting Policy [Line Items]
Intangible assets, net							25,501
Customer Lists [Member] | PST [Member]
Accounting Policy [Line Items]
Intangible assets, net							12,150
Trade Names [Member]
Accounting Policy [Line Items]
Intangible assets, net							14,805		17,900
Trade Names [Member] | Electronics [Member]
Accounting Policy [Line Items]
Intangible assets, net							4,939
Trade Names [Member] | PST [Member]
Accounting Policy [Line Items]
Intangible assets, net							9,866
Technology [Member]
Accounting Policy [Line Items]
Intangible assets, net							9,576		12,366
Technology [Member] | Electronics [Member]
Accounting Policy [Line Items]
Intangible assets, net							4,566
Technology [Member] | PST [Member]
Accounting Policy [Line Items]
Intangible assets, net							$ 5,010
PST Eletronica Ltda [Member]
Accounting Policy [Line Items]
Percentage ownership in consolidated subsidiary	74.00%	74.00%	74.00%	74.00%		74.00%				74.00%	74.00%	74.00%	74.00%	74.00%	74.00%
Percentage of additional noncontrolling interest acquired																	26.00%
Less: Net loss attributable to noncontrolling interest									$ 130	$ 1,887
MSIL
Accounting Policy [Line Items]
Equity method investment, ownership percentage							49.00%		49.00%	49.00%					49.00%
Equity method investments							$ 11,288		$ 10,131
Maximum [Member] | ASU 2016-02
Accounting Policy [Line Items]
Operating lease, right-of-use asset																$ 21,200
Operating lease liability																21,200
Maximum [Member] | Pre-production Costs [Member]
Accounting Policy [Line Items]
Property, plant and equipment, useful life							5 years
Minimum [Member] | ASU 2016-02
Accounting Policy [Line Items]
Operating lease, right-of-use asset																15,600
Operating lease liability																$ 15,600
Minimum [Member] | Pre-production Costs [Member]
Accounting Policy [Line Items]
Property, plant and equipment, useful life							3 years

Summary of Significant Accoun_5

Summary of Significant Accounting Policies (Schedule of Accounts Receivable and Concentration of Credit Risk) (Details) - Sales Revenue, Net [Member]	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Ford Motor Company [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Sales Revenue, Goods, Net, Percentage	12.00%	14.00%	17.00%
Volvo [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Sales Revenue, Goods, Net, Percentage	8.00%	6.00%	6.00%

Summary of Significant Accoun_6

Summary of Significant Accounting Policies (Schedule of Inventory, Current) (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Summary of Significant Accounting Policies [Abstract]
Raw materials	$ 54,382	$ 47,588
Work-in-progress	4,710	5,806
Finished goods	20,186	20,077
Total inventories, net	$ 79,278	$ 73,471

Summary of Significant Accoun_7

Summary of Significant Accounting Policies (Acquisitions Narrative) (Details) € in Thousands, $ in Thousands	1 Months Ended		12 Months Ended
	Jan. 31, 2017EUR (€)	Jan. 31, 2017USD ($)	Dec. 31, 2018USD ($)	Dec. 31, 2017USD ($)	Jan. 31, 2017USD ($)
Selling, General and Administrative Expenses [Member]
Business Acquisition [Line Items]
Acquisition related costs			$ 0
Orlaco [Member]
Business Acquisition [Line Items]
Cash	€ 74,939	$ 79,675
Cash paid to seller at closing	67,439				$ 71,701
Acquisition payment held in escrow to secure payment for working capital and other adjustments | €	€ 7,500
Identifiable intangible assets					38,739
Expense related to fair value adjustment for earn-out consideration			$ 369	$ 4,853
Orlaco [Member] | Selling, General and Administrative Expenses [Member]
Business Acquisition [Line Items]
Acquisition related costs				1,259
Orlaco [Member] | Fair Value Adjustment to Inventory [Member]
Business Acquisition [Line Items]
Expense related to inventory fair value step up				$ 1,636
Customer Lists [Member] | Orlaco [Member]
Business Acquisition [Line Items]
Identifiable intangible assets					27,518
Intangible asset useful life	15 years	15 years
Trademarks [Member] | Orlaco [Member]
Business Acquisition [Line Items]
Identifiable intangible assets					5,142
Intangible asset useful life	20 years	20 years
Technology Based Intangible Assets [Member] | Orlaco [Member]
Business Acquisition [Line Items]
Identifiable intangible assets					$ 6,079
Intangible asset useful life	7 years	7 years

Summary of Significant Accoun_8

Summary of Significant Accounting Policies (Schedule of Total Consideration Transferred) (Details) - 1 months ended Jan. 31, 2017 - Orlaco [Member] € in Thousands, $ in Thousands	EUR (€)	USD ($)
Business Acquisition [Line Items]
Cash	€ 74,939	$ 79,675
Fair value of earn-out liability and other adjustments		4,208
Total purchase price		$ 83,883

Summary of Significant Accoun_9

Summary of Significant Accounting Policies (Schedule of Estimated Fair Values of Assets Acquired and Liabilities Assumed) (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017	Jan. 31, 2017
Business Acquisition [Line Items]
Goodwill	$ 36,717	$ 38,419
Orlaco [Member]
Business Acquisition [Line Items]
Cash			$ 2,165
Accounts receivable			7,929
Inventory			9,409
Prepaid and other current assets			298
Property, plant and equipment			6,668
Identifiable intangible assets			38,739
Other long-term assets			6
Total identifiable assets acquired			65,214
Accounts payable			3,020
Other current liabilities			834
Deferred tax liabilities			10,206
Warranty liability			899
Total liabilities assumed			14,959
Net identifiable assets acquired			50,255
Goodwill			33,628
Net assets acquired			$ 83,883

Summary of Significant Accou_10

Summary of Significant Accounting Policies (Pro Forma Results of Operations) (Details) - Orlaco [Member] - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Business Acquisition [Line Items]
Net sales	$ 829,474	$ 752,864
Net income attributable to Stoneridge, Inc. and subsidiaries	$ 45,283	$ 8,218

Summary of Significant Accou_11

Summary of Significant Accounting Policies (Property Plant and Equipment Net) (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Property, Plant and Equipment [Line Items]
Total property, plant, and equipment	$ 393,541	$ 375,159
Less: accumulated depreciation	(281,328)	(264,757)
Property, Plant and Equipment, Net, Total	112,213	110,402
Land and Land Improvements [Member]
Property, Plant and Equipment [Line Items]
Total property, plant, and equipment	4,619	4,863
Buildings and Improvements [Member]
Property, Plant and Equipment [Line Items]
Total property, plant, and equipment	37,234	37,581
Machinery and Equipment [Member]
Property, Plant and Equipment [Line Items]
Total property, plant, and equipment	212,225	192,107
Office Furniture and Fixtures [Member]
Property, Plant and Equipment [Line Items]
Total property, plant, and equipment	9,929	10,070
Tooling [Member]
Property, Plant and Equipment [Line Items]
Total property, plant, and equipment	75,620	75,038
Information Technology [Member]
Property, Plant and Equipment [Line Items]
Total property, plant, and equipment	27,179	27,466
Vehicles [Member]
Property, Plant and Equipment [Line Items]
Total property, plant, and equipment	872	881
Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Total property, plant, and equipment	2,799	2,841
Construction In Progress [Member]
Property, Plant and Equipment [Line Items]
Total property, plant, and equipment	$ 23,064	$ 24,312

Summary of Significant Accou_12

Summary of Significant Accounting Policies (Estimated Useful Lives of Property, Plant and Equipment) (Details)	12 Months Ended
	Dec. 31, 2018
Buildings and Improvements [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life	10 years
Buildings and Improvements [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life	40 years
Machinery and Equipment [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life	3 years
Machinery and Equipment [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life	10 years
Office Furniture and Fixtures [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life	3 years
Office Furniture and Fixtures [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life	10 years
Tooling [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life	2 years
Tooling [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life	5 years
Information Technology [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life	3 years
Information Technology [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life	7 years
Vehicles [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life	3 years
Vehicles [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life	5 years
Leasehold Improvements [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life	3 years
Leasehold Improvements [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life	10 years

Summary of Significant Accou_13

Summary of Significant Accounting Policies (Schedule of Goodwill) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Segment Reporting Information [Line Items]
Goodwill, Beginning Balance	$ 38,419
Goodwill, Ending Balance	36,717	$ 38,419
Electronics [Member]
Segment Reporting Information [Line Items]
Goodwill, Beginning Balance	38,419	931
Acquisition of business		33,628
Currency translation	(1,702)	3,860
Goodwill, Ending Balance	$ 36,717	$ 38,419

Summary of Significant Accou_14

Summary of Significant Accounting Policies (Other Intangible Assets) (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Acquired Finite-Lived Intangible Assets [Line Items]
Acquisition cost	$ 88,470	$ 98,702
Accumulated amortization	(26,438)	(23,459)
Intangible Assets, Net (Excluding Goodwill), Total	62,032	75,243
Customer Lists [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Acquisition cost	52,200	57,672
Accumulated amortization	(14,549)	(12,695)
Intangible Assets, Net (Excluding Goodwill), Total	37,651	44,977
Trade Names [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Acquisition cost	20,689	23,546
Accumulated amortization	(5,884)	(5,646)
Intangible Assets, Net (Excluding Goodwill), Total	14,805	17,900
Technology [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Acquisition cost	15,581	17,443
Accumulated amortization	(6,005)	(5,077)
Intangible Assets, Net (Excluding Goodwill), Total	$ 9,576	12,366
Other Intangible Assets [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Acquisition cost		41
Accumulated amortization		$ (41)

Summary of Significant Accou_15

Summary of Significant Accounting Policies (Accrued Expenses and Other Current Liabilities) (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Summary of Significant Accounting Policies [Abstract]
Compensation related liabilities	$ 18,717	$ 22,429
Contingent consideration	8,602
Product warranty and recall obligations	7,211	6,867
Accrued income taxes	1,507	6,897
Other	21,843	16,353
Total accrued expenses and other current liabilities	$ 57,880	$ 52,546

Summary of Significant Accou_16

Summary of Significant Accounting Policies (Schedule of Product Warranty Liability) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Summary of Significant Accounting Policies [Abstract]
Product warranty and recall at beginning of period	$ 9,979	$ 9,344
Accruals for products shipped during period	6,217	4,933
Acquired warranty liability related to Orlaco		899
Aggregate changes in pre-existing liabilities due to claim developments	646	4,899
Settlements made during the period	(5,831)	(10,407)
Foreign currency translation	(517)	311
Product warranty and recall at end of period	$ 10,494	$ 9,979

Summary of Significant Accou_17

Summary of Significant Accounting Policies (Schedule of Weighted Average Number of Shares) (Details) - shares	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Summary of Significant Accounting Policies [Abstract]
Basic weighted-average Common Shares outstanding	28,402,227	28,082,114	27,763,990
Effect of dilutive shares	677,599	689,531	544,932
Diluted weighted-average Common Shares outstanding	29,079,826	28,771,645	28,308,922

Summary of Significant Accou_18

Summary of Significant Accounting Policies (Changes in Accumulated Other Comprehensive Loss by Component) (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Summary of Significant Accounting Policies [Abstract]
Foreign currency translation, Beginning balance		$ (69,417)	$ (67,895)
Foreign currency translation, Other comprehensive income (loss) before reclassifications		(16,627)	15,473
Other comprehensive income (loss), Foreign currency transaction and translation adjustment, net of tax		(16,627)	15,473
Reclassification of foreign currency translation associated with noncontrolling interest acquired			(16,995)
Foreign currency translation, Ending balance		(86,044)	(69,417)	$ (67,895)
Unrealized gain (loss) on hedging activities, Beginning balance		(143)	(18)
Unrealized gain (loss) on hedging activities, Other comprehensive income (loss) before reclassifications		1,448	509
Unrealized gain (loss) on hedging activities, Amounts reclassified from accumulated other comprehensive loss		(1,013)	(634)
Unrealized gain (loss) on hedging activities, Net other comprehensive income (loss), net of tax	[1]	435	(125)	(408)
Unrealized gain (loss) on hedging activities, Ending balance		292	(143)	(18)
Benefit plan liability adjustments, net				(84)
Accumulated other comprehensive income (loss), Beginning balance		(69,560)	(67,913)
Total, Other comprehensive loss before reclassifications		(15,179)	15,982
Total, Amounts reclassified from accumulated other comprehensive loss		(1,013)	(634)
Total, Net other comprehensive loss, net of tax		(16,192)	15,348
Accumulated other comprehensive income (loss), Ending balance		$ (85,752)	$ (69,560)	$ (67,913)
[1]	Net of tax expense (benefit) of $156, $(68) and $(10) for the years ended December 31, 2018, 2017 and 2016, respectively.

Revenue (Revenue by Segment and

Revenue (Revenue by Segment and Geographical Location) (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Disaggregation of Revenue [Line Items]
Total net sales	$ 210,814	$ 208,853	$ 220,602	$ 225,930	$ 207,440	$ 203,582	$ 209,111	$ 204,311	$ 866,199	$ 824,444	$ 695,977
North America [Member]
Disaggregation of Revenue [Line Items]
Total net sales									480,511	471,770	428,046
South America [Member]
Disaggregation of Revenue [Line Items]
Total net sales									80,175	94,533	82,589
Europe [Member]
Disaggregation of Revenue [Line Items]
Total net sales									270,127	224,741
Asia Pacific [Member]
Disaggregation of Revenue [Line Items]
Total net sales									35,386	33,400
Control Devices [Member]
Disaggregation of Revenue [Line Items]
Total net sales									441,297	447,528	408,132
Control Devices [Member] | North America [Member]
Disaggregation of Revenue [Line Items]
Total net sales									395,148	409,596
Control Devices [Member] | Europe [Member]
Disaggregation of Revenue [Line Items]
Total net sales									14,727	8,164
Control Devices [Member] | Asia Pacific [Member]
Disaggregation of Revenue [Line Items]
Total net sales									31,422	29,768
Electronics [Member]
Disaggregation of Revenue [Line Items]
Total net sales									344,727	282,383	205,256
Electronics [Member] | North America [Member]
Disaggregation of Revenue [Line Items]
Total net sales									85,363	62,174
Electronics [Member] | Europe [Member]
Disaggregation of Revenue [Line Items]
Total net sales									255,400	216,577
Electronics [Member] | Asia Pacific [Member]
Disaggregation of Revenue [Line Items]
Total net sales									3,964	3,632
PST [Member]
Disaggregation of Revenue [Line Items]
Total net sales									80,175	94,533	$ 82,589
PST [Member] | South America [Member]
Disaggregation of Revenue [Line Items]
Total net sales									$ 80,175	$ 94,533

Investments (Narrative) (Detail

Investments (Narrative) (Details) R$ in Thousands, $ in Thousands	May 16, 2017USD ($)	May 15, 2017	May 15, 2017	Dec. 31, 2011	Dec. 31, 2018BRL (R$)	Apr. 30, 2017	Dec. 31, 2018USD ($)	Mar. 31, 2017	Dec. 31, 2018USD ($)	Dec. 31, 2017USD ($)	Dec. 31, 2016USD ($)	Dec. 31, 2015USD ($)	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2016USD ($)	Dec. 31, 2018USD ($)	Dec. 31, 2017BRL (R$)	Dec. 31, 2017USD ($)
Schedule of Equity Method Investments [Line Items]
Income (loss) from equity method investments									$ 2,038	$ 1,636	$ 1,233
MSIL
Schedule of Equity Method Investments [Line Items]
Equity method investment, ownership percentage					49.00%						49.00%					49.00%	49.00%	49.00%	49.00%
Equity method investments																	$ 11,288		$ 10,131
Income (loss) from equity method investments									2,038	1,636	$ 1,233
PST Eletronica Ltda [Member]
Schedule of Equity Method Investments [Line Items]
Percentage ownership in consolidated subsidiary		74.00%	74.00%	74.00%		74.00%		74.00%			74.00%	74.00%	74.00%	74.00%	74.00%	74.00%
Percentage of additional noncontrolling interest acquired	26.00%
Noncontrolling interest	$ 14,458										$ 13,762	$ 13,310				$ 13,762			0
Dividends payable					R$ 23204												5,980	R$ 22330	6,742
Payments to Noncontrolling Interests	1,500
Fair value of earn-out liability	10,180
Dividends Payable, Price Index Adjustment					R$ 2752												709	R$ 1879	$ 567
PST Eletronica Ltda [Member] | Selling, General and Administrative Expenses [Member]
Schedule of Equity Method Investments [Line Items]
Expense related to fair value adjustment for earn-out consideration									$ (156)	$ 2,632
PST Eletronica Ltda [Member] | Accumulated Foreign Currency Adjustment Attributable to Noncontrolling Interest [Member]
Schedule of Equity Method Investments [Line Items]
Noncontrolling interest	16,995
PST Eletronica Ltda [Member] | Additional Paid-In Capital
Schedule of Equity Method Investments [Line Items]
Noncontrolling interest	$ 31,453
Autotech Ventures [Member] | Venture Capital Funds [Member]
Schedule of Equity Method Investments [Line Items]
Investment commitment																	$ 10,000
Contribution expected period (in years)					10 years
Contribution							$ 437

Investments (Schedule of Noncon

Investments (Schedule of Noncontrolling Interest) (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2017	Dec. 31, 2016
Noncontrolling Interest [Line Items]
Net loss	$ 100	$ 30	$ 130	$ 1,887
PST Eletronica Ltda [Member]
Noncontrolling Interest [Line Items]
Noncontrolling interest at beginning of period		$ 13,762	13,762	13,310
Net loss			(130)	(1,887)
Foreign currency translation			826	2,339
Comprehensive income (loss)			696	452
Acquisition of noncontrolling interest			(14,458)
Noncontrolling interest at end of period			$ 0	$ 13,762

Debt (Narrative) (Details)

Debt (Narrative) (Details) kr in Thousands, $ in Thousands	3 Months Ended	5 Months Ended	12 Months Ended
	Jun. 30, 2014USD ($)	Dec. 31, 2016USD ($)	Dec. 31, 2018SEK (kr)	Dec. 31, 2018USD ($)	Oct. 26, 2018USD ($)	Sep. 11, 2018USD ($)	Dec. 31, 2017USD ($)	Jan. 30, 2017USD ($)	Aug. 12, 2016USD ($)	Sep. 12, 2014USD ($)	Nov. 02, 2007USD ($)
Debt Instrument [Line Items]
Capitalized deferred financing costs								$ 61	$ 399
Notes covenant compliance			The Company was in compliance with all Credit Facility and debt covenants at December 31, 2018 and 2017.
Borrowings outstanding				$ 96,000			$ 121,000
Outstanding letters of credit				1,815			2,008
Total long-term debt, net				983			3,852
Less: current portion				1,533			4,192
2,019				1,533
2,020				513
2,021				96,470
Senior Notes [Member]
Debt Instrument [Line Items]
Debt interest rate	9.50%
Loss on early extinguishment of debt	$ (10,507)
Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity										$ 300,000	$ 100,000
Increase in maximum borrowing capacity of credit facility										$ 80,000
Credit facility, borrowing capacity											$ 100,000
Borrowings outstanding				$ 96,000			121,000
Credit facility, capacity restrictions of investment activities						$ 10,000
Amount of permitted loans and investments in foreign subsidiaries					$ 50,000
Maximum leverage ratio			300.00%	300.00%
Minimum interest coverage ratio			350.00%	350.00%
Revolving Credit Facility [Member] | Maximum [Member]
Debt Instrument [Line Items]
Credit facility, commitment fee percentage			0.35%
Revolving Credit Facility [Member] | Minimum [Member]
Debt Instrument [Line Items]
Credit facility, commitment fee percentage			0.20%
Line of Credit [Member]
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity			kr 20,000	$ 2,259			2,439
Line of credit				$ 0			$ 0
Amendment Three [Member] | Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Line of credit facility amendment date		Aug. 12, 2016
Length of the amended extension to the expiration date on debt		2 years
Line of credit expiration date		Sep. 12, 2021
PST Eletronica Ltda [Member]
Debt Instrument [Line Items]
Short-term debt, weighted average interest rate			10.45%	10.45%
Long-term debt, weighted average interest rate							8.00%
PST Eletronica Ltda [Member] | Term Loan [Member]
Debt Instrument [Line Items]
2,019				$ 1,533
2,020				513
2,021				$ 470
Borrowing Sub-Limit for the Company's Foreign Subsidiaries [Member] | Amendment Three [Member] | Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Credit facility, capacity restrictions of investment activities		$ 80,000
Increase in sub-limit for foreign subsidiary borrowings		30,000
Permitted Loans and Investments in Foreign Subsidiaries [Member] | Amendment Three [Member] | Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Increase in permitted loans and investments in foreign subsidiaries		5,000
Amount of permitted loans and investments in foreign subsidiaries		$ 30,000

Debt (Schedule of Debt) (Detail

Debt (Schedule of Debt) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Jun. 30, 2014
Debt Instrument [Line Items]
Revolving credit facility	$ 96,000	$ 121,000
Debt:
Long-term debt	98,516
Total debt	2,516	8,044
Less: current portion	(1,533)	(4,192)
Total long-term debt, net	983	3,852
Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Revolving credit facility	$ 96,000	121,000
Debt:
Debt, maturity	September 2,021
Maximum [Member] | Line of Credit [Member]
Debt:
Interest rate	3.58%
Minimum [Member] | Line of Credit [Member]
Debt:
Interest rate	3.40%
Senior Notes [Member]
Debt:
Debt interest rate			9.50%
PST Short-Term Obligations [Member]
Debt Instrument [Line Items]
Short-term debt	$ 989
Debt:
Debt, maturity	2,019
PST Short-Term Obligations [Member] | Maximum [Member]
Debt:
Interest rate	11.27%
PST Short-Term Obligations [Member] | Minimum [Member]
Debt:
Interest rate	10.00%
PST Long-Term Notes [Member]
Debt:
Long-term debt	$ 1,527	8,016
Debt, maturity	November 2,021
Interest rate	8.00%
Other [Member]
Debt:
Total debt		$ 28

Debt (Future Maturities of Long

Debt (Future Maturities of Long-Term Debt) (Detail) $ in Thousands	Dec. 31, 2018USD ($)
Debt [Abstract]
2,019	$ 1,533
2,020	513
2,021	96,470
Total long-term debt	$ 98,516

Income Taxes (Narrative) (Detai

Income Taxes (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Operating Loss Carryforwards [Line Items]
Income tax expense (benefit) on operations	$ 690	$ 3,467	$ 3,820	$ 3,233	$ (6,036)	$ 3,809	$ 5,189	$ 4,571	$ 11,210	$ 7,533	$ (36,389)
Effective income tax rate									17.20%	14.30%	(92.80%)
Unremitted earnings of foreign subsidiaries	55,707								$ 55,707
Income Tax Expense (Benefit), Continuing Operations, Adjustment of Deferred Tax (Asset) Liability										$ (15,269)
Effective Income Tax Rate Reconciliation, Repatriation of Foreign Earnings, Amount										6,207
Income tax expense (benefit) due to Tax Cuts and Jobs Act	710	$ (131)								$ (9,062)
General business tax credit carry forwards, expiration date										Dec. 31, 2024
Reduction of noncurrent deferred tax asset										$ (15,269)
Liability for uncertain tax positions reduction to noncurrent asset	3,449								3,449
Liability for uncertain tax positions, noncurrent	32								32
Unrecognized tax benefits that would impact effective tax rate	3,481				3,645				3,481	3,645
Gross interest and penalties expense (benefit)									(13)	(33)	$ (59)
Accrued payment of interest and penalties	19				$ 32				19	32
Impairment of Goodwill									0	$ 0	$ 0
State and Local Jurisdiction [Member]
Operating Loss Carryforwards [Line Items]
Net operating loss carry forwards	64,189								64,189
General business and foreign tax credit carry forwards	1,493								1,493
Foreign Tax Authority [Member]
Operating Loss Carryforwards [Line Items]
Net operating loss carry forwards	24,745								24,745
General business and foreign tax credit carry forwards	1,324								1,324
U.S. Federal [Member]
Operating Loss Carryforwards [Line Items]
General business and foreign tax credit carry forwards	$ 23,404								$ 23,404

Income Taxes (Schedule of Compo

Income Taxes (Schedule of Components of Income Tax Expense (Benefit)) (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Income before income taxes:
Domestic									$ 32,907	$ 36,657	$ 35,088
Foreign									32,151	15,925	4,097
Income before income taxes									65,058	52,582	39,185
Provision for income taxes:
Federal									2,370	2,478	760
State and foreign									6,288	11,014	2,575
Total current expense (benefit)									8,658	13,492	3,335
Deferred:
Federal									3,788	(2,585)	(37,828)
State and foreign									(1,236)	(3,374)	(1,896)
Total deferred benefit									2,552	(5,959)	(39,724)
Income Tax Expense (Benefit), Total	$ 690	$ 3,467	$ 3,820	$ 3,233	$ (6,036)	$ 3,809	$ 5,189	$ 4,571	$ 11,210	$ 7,533	$ (36,389)

Income Taxes (Schedule of Effec

Income Taxes (Schedule of Effective Income Tax Rate Reconciliation) (Details)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Income Taxes [Abstract]
Statutory U.S. federal income tax rate	21.00%	35.00%	35.00%
State income taxes, net of federal tax benefit	0.10%	(0.80%)	1.90%
Tax credits	(7.90%)	(4.20%)	(0.80%)
Foreign rate differential	1.10%	(4.50%)	(4.70%)
Impact of change in enacted tax law	(1.30%)	(17.20%)
Change in valuation allowances	(3.00%)	4.20%	(121.60%)
U.S. tax on foreign earnings	1.00%
Compensation and benefits	1.30%	(1.10%)	0.30%
Other	4.90%	2.90%	(2.90%)
Effective Income Tax Rate Reconciliation, Percent, Total	17.20%	14.30%	(92.80%)

Income Taxes (Schedule of Defer

Income Taxes (Schedule of Deferred Tax Assets and Liabilities) (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Deferred tax assets:
Inventories	$ 2,135	$ 1,921
Compensation and benefits	1,225	2,647
Accrued liabilities and reserves	4,181	5,187
Property, plant and equipment	647	1,045
Tax loss carryforwards	8,437	10,929
Tax credit carryforwards	26,221	29,744
Other	410	416
Gross deferred tax assets	43,256	51,889
Less: Valuation allowance	(8,962)	(11,986)
Deferred tax assets less valuation allowance	34,294	39,903
Deferred tax liabilities:
Property, plant and equipment	(2,545)	(3,489)
Intangible assets	(16,683)	(22,067)
Outside basis difference in foreign subsidiary	(13,750)	(13,750)
Other	(4,090)	(3,243)
Gross deferred tax liabilities	(37,068)	(42,549)
Net deferred tax liabilities	$ (2,774)	$ (2,646)

Income Taxes (Classification of

Income Taxes (Classification of Net Deferred Tax Asset) (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Income Taxes [Abstract]
Long-term deferred income tax assets	$ 12,121	$ 16,228
Long-term deferred income tax liabilities	(14,895)	(18,874)
Net deferred tax liabilities	$ (2,774)	$ (2,646)

Income Taxes (Summary of Income

Income Taxes (Summary of Income Tax Contingencies) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Income Taxes [Abstract]
Balance as of January 1	$ 3,645	$ 3,839	$ 4,304
Tax positions related to the current year:
Additions		31	208
Tax positions related to prior years:
Reductions	(165)	(176)	(61)
Expiration of statutes of limitation, increase	1
Expiration of statutes of limitation		(49)	(612)
Balance as of December 31	$ 3,481	$ 3,645	$ 3,839

Income Taxes (Schedule of Tax Y

Income Taxes (Schedule of Tax Years Open for Examination) (Details)	12 Months Ended
	Dec. 31, 2018
Minimum [Member] | U.S. Federal [Member] | Internal Revenue Service (IRS) [Member]
Income Tax Examination [Line Items]
Open Tax Year	2,015
Minimum [Member] | U.S. Federal [Member] | Income Tax Authority Argentina [Member]
Income Tax Examination [Line Items]
Open Tax Year	2,013
Minimum [Member] | Foreign Tax Authority [Member] | Secretariat of the Federal Revenue Bureau of Brazil [Member]
Income Tax Examination [Line Items]
Open Tax Year	2,013
Minimum [Member] | Foreign Tax Authority [Member] | State Administration of Taxation, China [Member]
Income Tax Examination [Line Items]
Open Tax Year	2,015
Minimum [Member] | Foreign Tax Authority [Member] | Ministry of the Economy, Finance and Industry, France [Member]
Income Tax Examination [Line Items]
Open Tax Year	2,016
Minimum [Member] | Foreign Tax Authority [Member] | Federal Ministry of Finance, Germany [Member]
Income Tax Examination [Line Items]
Open Tax Year	2,015
Minimum [Member] | Foreign Tax Authority [Member] | Ministry of Economic Affairs and Finance, Italy [Member]
Income Tax Examination [Line Items]
Open Tax Year	2,013
Minimum [Member] | Foreign Tax Authority [Member] | Mexican Tax Authority [Member]
Income Tax Examination [Line Items]
Open Tax Year	2,013
Minimum [Member] | Foreign Tax Authority [Member] | Tax and Customs Administration, Netherlands [Member]
Income Tax Examination [Line Items]
Open Tax Year	2,015
Minimum [Member] | Foreign Tax Authority [Member] | Tax Authority, Spain [Member]
Income Tax Examination [Line Items]
Open Tax Year	2,014
Minimum [Member] | Foreign Tax Authority [Member] | Swiss Federal Tax Administration (FTA) [Member]
Income Tax Examination [Line Items]
Open Tax Year	2,013
Minimum [Member] | Foreign Tax Authority [Member] | Her Majesty's Revenue and Customs (HMRC) [Member]
Income Tax Examination [Line Items]
Open Tax Year	2,017
Maximum [Member] | U.S. Federal [Member] | Internal Revenue Service (IRS) [Member]
Income Tax Examination [Line Items]
Open Tax Year	2,018
Maximum [Member] | U.S. Federal [Member] | Income Tax Authority Argentina [Member]
Income Tax Examination [Line Items]
Open Tax Year	2,018
Maximum [Member] | Foreign Tax Authority [Member] | Secretariat of the Federal Revenue Bureau of Brazil [Member]
Income Tax Examination [Line Items]
Open Tax Year	2,018
Maximum [Member] | Foreign Tax Authority [Member] | State Administration of Taxation, China [Member]
Income Tax Examination [Line Items]
Open Tax Year	2,018
Maximum [Member] | Foreign Tax Authority [Member] | Ministry of the Economy, Finance and Industry, France [Member]
Income Tax Examination [Line Items]
Open Tax Year	2,018
Maximum [Member] | Foreign Tax Authority [Member] | Federal Ministry of Finance, Germany [Member]
Income Tax Examination [Line Items]
Open Tax Year	2,018
Maximum [Member] | Foreign Tax Authority [Member] | Ministry of Economic Affairs and Finance, Italy [Member]
Income Tax Examination [Line Items]
Open Tax Year	2,018
Maximum [Member] | Foreign Tax Authority [Member] | Mexican Tax Authority [Member]
Income Tax Examination [Line Items]
Open Tax Year	2,018
Maximum [Member] | Foreign Tax Authority [Member] | Tax and Customs Administration, Netherlands [Member]
Income Tax Examination [Line Items]
Open Tax Year	2,018
Maximum [Member] | Foreign Tax Authority [Member] | Tax Authority, Spain [Member]
Income Tax Examination [Line Items]
Open Tax Year	2,018
Maximum [Member] | Foreign Tax Authority [Member] | Swiss Federal Tax Administration (FTA) [Member]
Income Tax Examination [Line Items]
Open Tax Year	2,018
Maximum [Member] | Foreign Tax Authority [Member] | Her Majesty's Revenue and Customs (HMRC) [Member]
Income Tax Examination [Line Items]
Open Tax Year	2,018

Operating Lease Commitments (Na

Operating Lease Commitments (Narrative) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Commitments and Contingencies [Abstract]
Operating leases, rent expense, net	$ 7,278	$ 6,261	$ 5,290

Operating Lease Commitments (Sc

Operating Lease Commitments (Schedule of Future Minimum Rental Payments for Operating Leases) (Details) $ in Thousands	Dec. 31, 2018USD ($)
Year ended December 31,
2,019	$ 5,691
2,020	4,131
2,021	3,256
2,022	2,444
2,023	2,477
Thereafter	4,106
Total	$ 22,105

Share-Based Compensation Plan_2

Share-Based Compensation Plans (Narrative) (Details) - USD ($) $ / shares in Units, $ in Thousands	1 Months Ended						12 Months Ended
	May 31, 2018	May 31, 2016	May 31, 2013	May 31, 2010	Apr. 30, 2006	Apr. 30, 2005	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation vested in period, fair value							$ 12,577	$ 8,718	$ 5,394
Tax benefit realized from stock based compensation							$ 1,584	$ 858	$ 977
Time Based Awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common shares, forfeited or cancelled							(16,821)	(36,342)
Share-based compensation restricted common shares issued							107,510
Weighted average grant date fair value, granted							$ 24.69	$ 18.73	$ 13.52
Unrecognized compensation expense							$ 3,321
Employee service share-based compensation, nonvested, period for recognition							1 year 1 month 28 days
Performance Based Awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common shares, forfeited or cancelled							(46,996)	(132,664)
Share-based compensation restricted common shares issued							187,871
Weighted average grant date fair value, granted							$ 29.41	$ 21.54
Unrecognized compensation expense							$ 3,481
Employee service share-based compensation, nonvested, period for recognition							1 year 2 months 5 days
Plan 2006 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation award reserved for issuance of common shares			4,500,000	3,000,000	1,500,000
Share-based compensation, increase in awards reserved for issuance of common shares			1,500,000	1,500,000
Share-based compensation award, number of shares available for grant							0	0
Share-based compensation restricted common shares issued							295,381
Share-based compensation expiration date								May 1, 2016
Share-based compensation, maximum number of shares issuable					500,000
Plan 2006 [Member] | Time Based Awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation award vesting period							3 years	3 years	3 years
Plan 2006 [Member] | Performance Based Awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation award vesting period							3 years	3 years	3 years
2016 Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation award reserved for issuance of common shares		1,800,000
Share-based compensation award granted in period							789,995
Share-based compensation award, number of shares available for grant							1,063,691
2016 Plan [Member] | Time Based Awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation award granted in period							316,970
Share-based compensation award vesting period							3 years	3 years	3 years
2016 Plan [Member] | Performance Based Awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation award granted in period							473,025
Share-based compensation award vesting period							3 years	3 years	3 years
Director Share Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation award reserved for issuance of common shares	850,000		700,000			500,000
Share-based compensation, increase in awards reserved for issuance of common shares	150,000		200,000
Share-based compensation award vesting period									1 year	1 year	1 year
Share-based compensation restricted common shares issued							646,052
Share-based compensation, maximum number of shares issuable							203,948

Share-Based Compensation Plan_3

Share-Based Compensation Plans (Schedule of the Allocation of Performance Shares Between Total Shareholder Return and Earnings per Share) (Details) - Performance Based Awards [Member]	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total shareholder return	55.00%	55.00%	55.00%
Earnings per share	45.00%	45.00%	45.00%

Share-Based Compensation Plan_4

Share-Based Compensation Plans (Disclosure of Share-based Compensation Arrangements by Share-based Payment Award) (Details) - $ / shares	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Time Based Awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number, Beginning Balance	443,152	612,037
Common shares, granted	176,116	177,664
Common shares, vested	(182,451)	(310,207)
Common shares, forfeited or cancelled	(16,821)	(36,342)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number, Ending Balance	419,996	443,152	612,037
Weighted average grant date fair value, non-vested	$ 15.01	$ 12.32
Weighted average grant date fair value, granted	24.69	18.73	$ 13.52
Weighted average grant date fair value, vested	13.21	12.05
Weighted average grant date fair value, forfeited or cancelled	19.99	13.23
Weighted average grant date fair value, non-vested	$ 19.64	$ 15.01	$ 12.32
Performance Based Awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number, Beginning Balance	744,188	825,140
Common shares, granted	215,490	217,495
Common shares, vested	(284,462)	(165,783)
Common shares, forfeited or cancelled	(46,996)	(132,664)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number, Ending Balance	628,220	744,188	825,140
Weighted average grant date fair value, non-vested	$ 14.92	$ 12.14
Weighted average grant date fair value, granted	29.41	21.54
Weighted average grant date fair value, vested	11.19	11.72
Weighted average grant date fair value, forfeited or cancelled	17.13	12.52
Weighted average grant date fair value, non-vested	$ 21.41	$ 14.92	$ 12.14

Employee Benefit Plans (Details

Employee Benefit Plans (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Share-Based Compensation [Abstract]
Expenses related to employee benefit plans	$ 3,520	$ 2,601	$ 1,601

Financial Instruments and Fai_3

Financial Instruments and Fair Value Measurements (Narrative) (Details) € in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2018USD ($)	Dec. 31, 2017USD ($)	Dec. 31, 2016USD ($)	Mar. 31, 2018EUR (€)
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Impairment of Goodwill	$ 0	$ 0	$ 0
Financial assets carried at fair value	370
Forward currency asset contracts	370
Forward currency liabilities contracts		269
Transfers in or out of Level 3	0
Cash Flow Hedging [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
(Gain) loss from cash flow hedge derivatives to be reclassified	(370)
Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member] | Forward Currency Contracts [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Notional amounts	9,017	9,143
Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member] | U.S. Dollar Denominated Foreign Currency Forward Contracts Euro Functional Currency [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Notional amounts	0	0
Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member] | U.S. Dollar Denominated Foreign Currency Forward Contracts, Swedish Krona Functional Currency [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Notional amounts	0	0
Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member] | Mexican Peso-Denominated Foreign Currency Forward Contracts [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Notional amounts	9,017	9,143
Not Designated as Hedging Instrument [Member] | Forward Currency Contracts [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Notional amounts		1,486
Not Designated as Hedging Instrument [Member] | Euro-Denominated Foreign Currency Forward Contracts [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Notional amounts		1,486
Gain (loss) on derivative instruments held for trading purposes, net	73	$ (174)	$ 57
Fair Value, Inputs, Level 2 [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Financial assets carried at fair value	370
Forward currency asset contracts	$ 370
Orlaco [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Earn-out consideration | €				€ 7,500

Financial Instruments and Fai_4

Financial Instruments and Fair Value Measurements (Schedule of Derivative Instruments in Statement of Financial Position, Fair Value) (Details) - Forward Currency Contracts [Member] - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Not Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Notional amounts		$ 1,486
Cash Flow Hedging [Member]
Derivatives, Fair Value [Line Items]
Cash flow hedges , other derivative assets	$ 370
Cash Flow Hedging [Member] | Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Notional amounts	$ 9,017	9,143
Other Liabilities [Member] | Not Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Fair value of other derivatives		48
Other Liabilities [Member] | Cash Flow Hedging [Member] | Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Cash flow hedges , prepaid expense and other current assets		$ 221

Financial Instruments and Fai_5

Financial Instruments and Fair Value Measurements (Schedule of Cash Flow Hedges Included in Accumulated Other Comprehensive Income (Loss)) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Derivatives designated as cash flow hedges:
Gain (loss) recorded in other comprehensive income (loss)	$ 1,967	$ 441	$ (582)
Gain (loss) reclassified from other comprehensive income (loss) into net income	$ 1,376	$ 634	$ (164)

Financial Instruments and Fai_6

Financial Instruments and Fair Value Measurements (Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis) (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Financial assets carried at fair value:
Forward currency asset contracts	$ 370
Total financial assets carried at fair value	370
Financial liabilities carried at fair value:
Forward currency liabilities contracts		$ 269
Earn-out consideration	18,672	20,746
Total financial liabilities carried at fair value	18,672	$ 21,015
Fair Value, Inputs, Level 2 [Member]
Financial assets carried at fair value:
Forward currency asset contracts	370
Total financial assets carried at fair value	370
Fair Value, Inputs, Level 3 [Member]
Financial liabilities carried at fair value:
Earn-out consideration	18,672
Total financial liabilities carried at fair value	$ 18,672

Financial Instruments and Fai_7

Financial Instruments and Fair Value Measurements (Schedule of Level 3 Assets and Liabilities) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Financial liability, Beginning balance	$ 20,746	$ 0
Fair value on acquisition date		13,423
Change in fair value	213	7,485
Foreign currency adjustments	(2,287)	(162)
Financial liability, Ending balance	18,672	20,746
PST Eletronica Ltda [Member]
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Financial liability, Beginning balance	12,109	0
Fair value on acquisition date		10,180
Change in fair value	(156)	2,632
Foreign currency adjustments	(1,883)	(703)
Financial liability, Ending balance	10,070	12,109
Orlaco [Member]
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Financial liability, Beginning balance	8,637	0
Fair value on acquisition date		3,243
Change in fair value	369	4,853
Foreign currency adjustments	(404)	541
Financial liability, Ending balance	$ 8,602	$ 8,637

Commitments and Contingencies (

Commitments and Contingencies (Narrative) (Details) R$ in Thousands, $ in Thousands

May 15, 2017

May 15, 2017

Dec. 31, 2011

Apr. 30, 2017

Mar. 31, 2017

Dec. 31, 2018USD ($)

Dec. 31, 2017USD ($)

Dec. 31, 2016

Dec. 31, 2015

Dec. 31, 2014

Dec. 31, 2013

Dec. 31, 2012

Dec. 31, 2016

Dec. 31, 2018BRL (R$)

Dec. 31, 2018USD ($)

Dec. 31, 2017BRL (R$)

Dec. 31, 2017USD ($)

Short-term Debt [Line Items]

Product warranty and recall accrual

$ 3,283

$ 3,112

Cash proceeds related to damaged inventory and incremental costs

$ 241

$ 500

Cash proceeds within cash flows from investing activities

1,403

711

Estimated insurance recoveries

1,644

Cost of Goods Sold [Member]

Short-term Debt [Line Items]

Insurance recoveries

189

Selling, General and Administrative Expenses [Member]

Short-term Debt [Line Items]

Gain on Business Interruption Insurance Recovery

$ 0

Insurance recoveries

$ 1,923

Control Devices [Member]

Short-term Debt [Line Items]

Environmental remediation accrued undiscounted liability

111

265

Accrued Expenses and Other Current Liabilities [Member] | Control Devices [Member]

Short-term Debt [Line Items]

Environmental remediation accrued undiscounted liability

111

253

Letter of Credit [Member] | Control Devices [Member]

Short-term Debt [Line Items]

Line of credit

1,489

PST Eletronica Ltda [Member]

Short-term Debt [Line Items]

Percentage ownership in consolidated subsidiary

74.00%

74.00%

74.00%

74.00%

74.00%

74.00%

74.00%

74.00%

74.00%

74.00%

74.00%

PST Eletronica Ltda [Member] | Civil, labor and other tax contingencies [Member]

Short-term Debt [Line Items]

Loss contingency, estimate of possible loss

R$ 29700

$ 7,600

R$ 33800

$ 10,200

Headquarter Relocation (Narrati

Headquarter Relocation (Narrative) (Details) - Headquarter Relocation [Member] - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Restructuring expense	$ 269	$ 493	$ 1,769
Grant Agreement, Maximum Value	1,400
Grant income	$ 312	$ 338

Restructuring and Business Re_3

Restructuring and Business Realignment (Narrative) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Electronics [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	$ 3,539
Additional restructuring costs	1,080
Corporate [Member]
Restructuring Cost and Reserve [Line Items]
Business realignment charges	0	$ 0	$ 0
Excess and Obsolete Inventory [Member] | Electronics [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	823
Cost of Goods Sold [Member] | Excess and Obsolete Inventory [Member] | Electronics [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	$ 823

Restructuring and Business Re_4

Restructuring and Business Realignment (Schedule of Restructuring and Related Costs) (Details) - Electronics [Member] $ in Thousands	12 Months Ended
	Dec. 31, 2018USD ($)
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Beginning Balance	$ 0
Charge to expense	3,539
Cash payments	(1,703)
Utilization, Non-Cash	(1,180)
Restructuring Reserve, Ending Balance	656
Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Beginning Balance	0
Charge to expense	1,939
Cash payments	(1,419)
Restructuring Reserve, Ending Balance	520
Excess and Obsolete Inventory [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Beginning Balance	0
Charge to expense	823
Utilization, Non-Cash	(823)
Restructuring Reserve, Ending Balance	0
Excess and Obsolete Inventory [Member] | Cost of Goods Sold [Member]
Restructuring Cost and Reserve [Line Items]
Charge to expense	823
Intangible Impairment [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Beginning Balance	0
Charge to expense	200
Utilization, Non-Cash	(200)
Restructuring Reserve, Ending Balance	0
Fixed Asset Impairment [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Beginning Balance	0
Charge to expense	157
Utilization, Non-Cash	(157)
Restructuring Reserve, Ending Balance	0
Contract Termination [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Beginning Balance	0
Charge to expense	156
Cash payments	(139)
Restructuring Reserve, Ending Balance	17
Other Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Beginning Balance	0
Charge to expense	264
Cash payments	(145)
Restructuring Reserve, Ending Balance	$ 119

Restructuring and Business Re_5

Restructuring and Business Realignment (Schedule of Business Realignment Charges Classified by Statement of Operations) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Restructuring Cost and Reserve [Line Items]
Total business realignment costs (benefit)	$ 710	$ 1,812	$ 2,617
Cost of Goods Sold [Member]
Restructuring Cost and Reserve [Line Items]
Total business realignment costs (benefit)	63	426	437
Selling, General and Administrative Expenses [Member]
Restructuring Cost and Reserve [Line Items]
Total business realignment costs (benefit)	491	1,385	1,080
Design and Development Expense [Member]
Restructuring Cost and Reserve [Line Items]
Total business realignment costs (benefit)	156	1	1,100
Control Devices [Member]
Restructuring Cost and Reserve [Line Items]
Total business realignment costs (benefit)	169
Control Devices [Member] | Selling, General and Administrative Expenses [Member]
Restructuring Cost and Reserve [Line Items]
Severance costs		41
Control Devices [Member] | Design and Development Expense [Member]
Restructuring Cost and Reserve [Line Items]
Severance costs	128
Electronics [Member]
Restructuring Cost and Reserve [Line Items]
Total business realignment costs (benefit)	63	1,223	1,180
Electronics [Member] | Cost of Goods Sold [Member]
Restructuring Cost and Reserve [Line Items]
Severance costs		56
Electronics [Member] | Selling, General and Administrative Expenses [Member]
Restructuring Cost and Reserve [Line Items]
Severance costs	63	1,167	196
Electronics [Member] | Design and Development Expense [Member]
Restructuring Cost and Reserve [Line Items]
Severance costs			984
PST Segment [Member]
Restructuring Cost and Reserve [Line Items]
Total business realignment costs (benefit)	478	589	1,437
PST Segment [Member] | Cost of Goods Sold [Member]
Restructuring Cost and Reserve [Line Items]
Severance costs	63	370	437
PST Segment [Member] | Selling, General and Administrative Expenses [Member]
Restructuring Cost and Reserve [Line Items]
Severance costs	386	218	884
PST Segment [Member] | Design and Development Expense [Member]
Restructuring Cost and Reserve [Line Items]
Severance costs	$ 29	$ 1	$ 116

Segment Reporting (Narrative) (

Segment Reporting (Narrative) (Details)	12 Months Ended
	Dec. 31, 2018segment
Segment Reporting [Abstract]
Number of reportable segments	3

Segment Reporting (Schedule of

Segment Reporting (Schedule of Segment Reporting Information, by Segment) (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Net Sales:
Net sales	$ 210,814	$ 208,853	$ 220,602	$ 225,930	$ 207,440	$ 203,582	$ 209,111	$ 204,311	$ 866,199	$ 824,444	$ 695,977
Operating Income (Loss)
Total operating income (loss)	12,664	$ 18,312	$ 19,181	$ 16,847	13,234	$ 13,296	$ 15,676	$ 15,164	67,004	57,370	44,082
Total income before income taxes									65,058	52,582	39,185
Depreciation and Amortization:
Total depreciation and amortization									29,191	27,930	23,258
Interest Expense, net:
Total interest expense, net									4,720	5,783	6,277
Capital Expenditures:
Capital expenditures									29,027	32,170	24,476
Long-Lived Assets	239,342				255,668				239,342	255,668
Total Assets:
Total assets	559,519				559,037				559,519	559,037
Goodwill impairment charge (benefit)									0	0	0
Continuing Operations [Member]
Total Assets:
Total assets	559,519				559,037				559,519	559,037
Intersegment Eliminations [Member]
Net Sales:
Net sales									(45,476)	(45,108)	(35,187)
Total Assets:
Total assets	(322,866)				(335,958)				(322,866)	(335,958)
Electronics [Member]
Net Sales:
Net sales									344,727	282,383	205,256
Operating Income (Loss)
Total operating income (loss)									28,236	18,119	14,798
Depreciation and Amortization:
Total depreciation and amortization									8,982	8,143	3,971
Interest Expense, net:
Total interest expense, net									85	119	142
Capital Expenditures:
Capital expenditures									5,965	8,158	5,665
Total Assets:
Total assets	265,838				252,324				265,838	252,324
Electronics [Member] | Operating Segments [Member]
Net Sales:
Net sales									381,853	321,884	238,617
Electronics [Member] | Inter-Segment Sales [Member]
Net Sales:
Net sales									37,126	39,501	33,361
Control Devices [Member]
Net Sales:
Net sales									441,297	447,528	408,132
Operating Income (Loss)
Total operating income (loss)									64,191	72,555	61,815
Depreciation and Amortization:
Total depreciation and amortization									11,914	10,887	10,276
Interest Expense, net:
Total interest expense, net									76	103	226
Capital Expenditures:
Capital expenditures									16,737	17,484	13,261
Total Assets:
Total assets	175,708				164,632				175,708	164,632
Control Devices [Member] | Operating Segments [Member]
Net Sales:
Net sales									449,645	452,572	409,958
Control Devices [Member] | Inter-Segment Sales [Member]
Net Sales:
Net sales									8,348	5,044	1,826
Corporate [Member]
Operating Income (Loss)
Total operating income (loss)									(30,412)	(35,965)	(29,069)
Depreciation and Amortization:
Total depreciation and amortization									852	584	452
Interest Expense, net:
Total interest expense, net									3,735	3,749	2,513
Capital Expenditures:
Capital expenditures									3,083	2,697	2,337
Total Assets:
Total assets	359,837				377,657				359,837	377,657
PST [Member]
Net Sales:
Net sales									80,175	94,533	82,589
Operating Income (Loss)
Total operating income (loss)									4,989	2,661	(3,462)
Depreciation and Amortization:
Total depreciation and amortization									7,443	8,316	8,559
Interest Expense, net:
Total interest expense, net									824	1,812	3,396
Capital Expenditures:
Capital expenditures									3,242	3,831	3,213
Total Assets:
Total assets	$ 81,002				$ 100,382				81,002	100,382
PST [Member] | Operating Segments [Member]
Net Sales:
Net sales									80,177	95,096	$ 82,589
PST [Member] | Inter-Segment Sales [Member]
Net Sales:
Net sales									$ 2	$ 563

Segment Reporting (Schedule o_2

Segment Reporting (Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas) (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Net Sales:
Net sales	$ 210,814	$ 208,853	$ 220,602	$ 225,930	$ 207,440	$ 203,582	$ 209,111	$ 204,311	$ 866,199	$ 824,444	$ 695,977
Long-term Assets:
Total long-term assets	239,342				255,668				239,342	255,668
North America [Member]
Net Sales:
Net sales									480,511	471,770	428,046
Long-term Assets:
Total long-term assets	86,763				89,997				86,763	89,997
South America [Member]
Net Sales:
Net sales									80,175	94,533	82,589
Long-term Assets:
Total long-term assets	45,408				58,989				45,408	58,989
Europe and Other [Member]
Net Sales:
Net sales									305,513	258,141	$ 185,342
Long-term Assets:
Total long-term assets	$ 107,171				$ 106,682				$ 107,171	$ 106,682

Subsequent Events (Narrative) (

Subsequent Events (Narrative) (Details) - Facility Closing [Member] - Subsequent Event [Member] $ in Thousands	Jan. 10, 2019USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Restructuring initiation date	Jan. 10, 2019
Control Devices [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Restructuring completion date	Dec. 31, 2020
Control Devices [Member] | Maximum [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Estimated total cost of restructuring	$ 9,500
Control Devices [Member] | Minimum [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Estimated total cost of restructuring	$ 8,500

Unaudited Quarterly Financial_3

Unaudited Quarterly Financial Data (Narrative) (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2017USD ($)
Quarterly Financial Data [Abstract]
Effective Income Tax Rate Reconciliation, Repatriation of Foreign Earnings, Amount	$ 6,207
Income Tax Expense (Benefit), Continuing Operations, Adjustment of Deferred Tax (Asset) Liability	$ (15,269)

Unaudited Quarterly Financial_4

Unaudited Quarterly Financial Data (Schedule of Quarterly Financial Information) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Net sales	$ 210,814	$ 208,853	$ 220,602	$ 225,930	$ 207,440	$ 203,582	$ 209,111	$ 204,311	$ 866,199	$ 824,444	$ 695,977
Gross profit	57,959	63,285	67,418	67,969	61,026	62,549	63,414	61,151
Operating income (loss)	12,664	18,312	19,181	16,847	13,234	13,296	15,676	15,164	67,004	57,370	44,082
Provision (benefit) for income taxes	690	3,467	3,820	3,233	(6,036)	3,809	5,189	4,571	11,210	7,533	(36,389)
Income (loss) from continuing operations									53,848	45,049	75,574
Net income (loss)	$ 12,056	$ 13,292	$ 15,120	$ 13,380	18,908	8,049	8,919	9,173	53,848	45,049	75,574
Less: Net loss attributable to noncontrolling interest							(100)	(30)		(130)	(1,887)
Net income (loss) attributable to Stoneridge, Inc.					$ 18,908	$ 8,049	$ 9,019	$ 9,203	$ 53,848	$ 45,179	$ 77,461
Earnings (loss) per share attributable to Stoneridge, Inc.:
Basic (in dollars per share)	$ 0.42	$ 0.47	$ 0.53	$ 0.47	$ 0.67	$ 0.29	$ 0.32	$ 0.33	$ 1.90	$ 1.61	$ 2.79
Diluted (in dollars per share)	$ 0.42	$ 0.46	$ 0.52	$ 0.46	$ 0.65	$ 0.28	$ 0.32	$ 0.32	$ 1.85	$ 1.57	$ 2.74
PST [Member]
Net sales									$ 80,175	$ 94,533	$ 82,589
Operating income (loss)									$ 4,989	$ 2,661	$ (3,462)

SCHEDULE II - VALUATION AND Q_2

SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Increase (decrease) in valuation allowance			$ (49,600,000)
Accounts Receivable Reserves
Balance at beginning of period	$ 1,109	$ 1,630	1,066
Charged to cost and expenses	1,244	2,173	1,604
Write-offs, Exchange Rate Fluctuations and Other Items	(1,110)	(2,694)	(1,040)
Balance at end of period	1,243	1,109	1,630
Valuation Allowance Of Deferred Tax Assets [Member]
Balance at beginning of period	11,986	11,125	59,391
Net additions charged to income (expense)	(1,922)	874	(47,659)
Write-offs, Exchange Rate Fluctuations and Other Items	(1,102)	(13)	(607)
Balance at end of period	$ 8,962	$ 11,986	$ 11,125