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Summary of Significant Accounting Policies (Details Textual) (USD $) In Thousands, except Share data, unless otherwise specified | 1 Months Ended | 3 Months Ended | 12 Months Ended |  |  |  | 12 Months Ended |  |  |  | 12 Months Ended |  |  |  | 12 Months Ended |  | 12 Months Ended |  | 12 Months Ended |  |  | 12 Months Ended |  |  |  | 12 Months Ended
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Jan. 31, 2012 | Dec. 31, 2012 | Sep. 30, 2012 | Jun. 30, 2012 | Mar. 31, 2012 | Dec. 31, 2011 | Sep. 30, 2011 | Jun. 30, 2011 | Mar. 31, 2011 | Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010 | Jan. 05, 2012 | Dec. 31, 2012 Product Warranty and Recall [Member] | Dec. 31, 2011 Product Warranty and Recall [Member] | Dec. 31, 2012 Noncontrolling Interest [Member] | Dec. 31, 2011 Noncontrolling Interest [Member] | Dec. 31, 2010 Noncontrolling Interest [Member] | Dec. 31, 2011 Electronics [Member] | Dec. 31, 2012 Electronics [Member] | Dec. 31, 2010 Electronics [Member] | Oct. 04, 2010 Senior Notes [Member] | Dec. 31, 2012 Stock Option [Member] | Dec. 31, 2011 Stock Option [Member] | Dec. 31, 2010 Stock Option [Member] | Dec. 31, 2012 Long Term Cash Incentive Plan [Member] | Dec. 31, 2011 Long Term Cash Incentive Plan [Member] | Dec. 31, 2012 Restricted Stock [Member] | Dec. 31, 2011 Restricted Stock [Member] | Dec. 31, 2010 Restricted Stock [Member] | Dec. 31, 2011 Customer Lists [Member] | Dec. 31, 2012 Customer Lists [Member] | Dec. 31, 2011 Trademarks [Member] | Dec. 31, 2012 Trademarks [Member] | Dec. 31, 2011 Developed Technology Rights [Member] | Dec. 31, 2012 Pst Eletronica Ltda [Member] | Dec. 31, 2011 Pst Eletronica Ltda [Member] | Jan. 05, 2012 Pst Eletronica Ltda [Member] | Dec. 31, 2010 Pst Eletronica Ltda [Member] | Dec. 31, 2012 Pst Eletronica Ltda [Member] Noncontrolling Interest [Member] | Dec. 31, 2011 Pst Eletronica Ltda [Member] Noncontrolling Interest [Member] | Dec. 31, 2011 Bcs Acquiisition [Member] | Dec. 31, 2012 Bcs Acquiisition [Member] | Dec. 31, 2009 Bcs Acquiisition [Member] | Oct. 13, 2009 Bcs Acquiisition [Member] | Dec. 31, 2012 Maximum [Member] | Dec. 31, 2012 Minimum [Member]
Percentage Of Ownership In Jointventure |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 50.00% | 20.00%
Preproduction Costs Related To Long-Term Supply Arrangements, Costs Capitalized |  | $ 8,631 |  |  |  | $ 10,381 |  |  |  | $ 8,631 | $ 10,381 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Depreciation |  |  |  |  |  |  |  |  |  | 28,519 | 18,847 | 19,070 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Asset Impairment Charges |  |  |  |  |  |  |  |  |  | 0 | 807 | 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity Method Investment, Ownership Percentage |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 74.00% | 74.00% |  | 50.00% |  |  |  |  |  |  |  |
Noncontrolling Interest, Ownership Percentage by Parent |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 74.00% | 74.00% |  |  |  |  |  |  |  | 51.00% |  |
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares | 1,293,609 |  |  |  |  |  |  |  |  | 1,940,413 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition, Cost Of Acquired Entity, Cash Paid |  |  |  |  |  |  |  |  |  |  |  |  | 19,779 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 29,669 |  |  |  |  |  |
Business Acquisition, Cost Of Acquired Entity, Equity Interests Issued and Issuable |  |  |  |  |  |  |  |  |  |  |  |  | 10,197 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 15,310 |  |  |  |  |  |
Business Combination, Consideration Transferred |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 29,976 |  |  | 44,979 |  |  |  |  |  |
Business Acquisition, Percentage of Voting Interests Acquired |  | 24.00% |  |  |  |  |  |  |  | 24.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 24.00% |  |  |  |  |  | 49.00% |  |  |  |
Business Acquisition, Cost of Acquired Entity, Purchase Price |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 44,979 |  |  |  |  |  |  |  | 5,967 |  |
Business Combination, Step Acquisition, Equity Interest In Acquiree, Fair Value |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 104,118 |  |  |  | 104,118 |  |  |  |  |  |
Gain Recognized On Previously Held Equity Interest |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 65,372 |  |  |  |  |  |  |  |  |  |
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 26.00% |  |  |  |  |  |
Acquired Finite-Lived Intangible Asset, Amount |  |  |  |  |  | 97,398 |  |  |  |  | 97,398 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 47,126 |  | 31,400 |  | 18,872 |  |  |  |  |  |  |  |  |  |  |  |
Acquired Finite Lived Intangible Assets Weighted Average Useful Life |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 15 years |  | 20 years |  | 17 years |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition Estimated Future Payments Prior Owners Increase Decrease |  |  |  |  |  |  |  |  |  | 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Goodwill impairment charge |  |  |  |  |  |  |  |  |  | 0 | 4,945 | 0 |  |  |  |  |  |  | 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4,945 |  |  |  |  |
Acquisition of business |  |  |  |  |  |  |  |  |  |  | 67,118 |  |  |  |  |  |  |  | 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 67,118 |  |  |  |  |  |
Goodwill |  | 66,381 |  |  |  | 71,855 |  |  |  | 66,381 | 71,855 | 9,696 |  |  |  |  |  |  | 564 | 598 | 578 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4,173 |  |  |  |  |
Intangible assets, net |  | 84,397 |  |  |  | 98,039 |  |  |  | 84,397 | 98,039 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 47,646 | 40,807 | 31,513 | 27,382 |  |  |  |  |  |  |  |  |  |  |  |  |
Amortization |  |  |  |  |  |  |  |  |  | 5,940 | 238 | 215 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Finite Lived Intangible Assets, Amortization Expense, One Through Five Years |  | 5,900 |  |  |  |  |  |  |  | 5,900 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Assets, Remaining Amortization Period |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2018 | 2013
Deferred Tax Assets, Valuation Allowance |  | 71,790 |  |  |  | 78,211 |  |  |  | 71,790 | 78,211 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Research and Development Expense |  |  |  |  |  |  |  |  |  | 44,798 | 35,263 | 37,563 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Research and Development Expense Percentage |  |  |  |  |  |  |  |  |  | 4.80% | 4.60% | 5.90% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based compensation expense |  |  |  |  |  |  |  |  |  | 4,890 | 4,423 | 2,661 |  |  |  |  |  |  |  |  |  |  |  |  |  | 47 | 375 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 59,000 | 50,000 | 106,750 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price |  | $ 12.20 |  |  |  | $ 12.76 |  |  |  | $ 12.20 | $ 12.76 |  |  |  |  |  |  |  |  |  |  |  | $ 12.20 | $ 15.73 | $ 12.96 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 635,850 | 419,100 | 445,950 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Unamortized Discount, Percentage |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2.50% | 2.50% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Interest Rate, Effective Percentage |  | 10.00% |  |  |  |  |  |  |  | 10.00% |  |  |  |  |  |  |  |  |  |  |  |  | 10.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amortization of Financing Costs |  |  |  |  |  |  |  |  |  | 862 | 875 | 914 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Deferred Finance Costs, Net |  | 1,564 |  |  |  | 1,914 |  |  |  | 1,564 | 1,914 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fair value of noncontrolling interest |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 44,076 | 48,727 |  |  |  |  |  |
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net Of Tax |  |  |  |  |  |  |  |  |  | (10,502) | (5,971) | (1,994) |  |  |  | (3,918) | 0 | 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3,918 |  |  |  |  |  |  |
Net Income (Loss) Attributable To Noncontrolling Interest |  | 90 | 170 | (1,740) | (133) | (3,209) | (272) | (124) | (215) | (1,613) | (3,820) | (184) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 733 |  |  |  |  |  |  |
Goodwill, Period Increase (Decrease) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3,047 |  |  |  |  |  |  |  |  |  |  |
Other Liabilities, Noncurrent |  | 4,258 |  |  |  | 5,494 |  |  |  | 4,258 | 5,494 |  |  | 494 | 175 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity Method Investments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 38,746 |  |  |  |  |  |  |  |  |  |
Business Acquisition, Purchase Price Allocation, Goodwill Amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 9,199 |  |  |
FIFO Inventory Amount |  | 57,004 |  |  |  | 64,441 |  |  |  | 57,004 | 64,441 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted Average Cost Inventory Amount |  | 39,028 |  |  |  | 56,041 |  |  |  | 39,028 | 56,041 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Foreign Currency Transaction Gain (Loss), before Tax |  |  |  |  |  |  |  |  |  | $ 4,275 | $ 106 | $ 974 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

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- Definition The amount of increase decrease in estimated amounts to prior owners. + References No definition available. + Details
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- Definition This element represents decrease in noncontrolling interest in the acquire at the acquisition date. + References No definition available. + Details
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- Definition The percentage of debt discount that was originally recognized at the issuance of the instrument that has yet to be amortized. + References No definition available. + Details
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- Definition Amount of amortization expense expected to be recognized during one through five years fiscal year following the latest fiscal year for assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References No definition available. + Details
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- Definition Gain recognized on the previously held equity interest. + References No definition available. + Details
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- Definition The percentage of entities ownership in joint venture. + References No definition available. + Details
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- Definition The percentage of research development expenses to net sales. + References No definition available. + Details
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- Definition The aggregate amount assigned to a major class of finite-lived intangible assets acquired either individually or as part of a group of assets (in either an asset acquisition or business combination). A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=7658586&loc=d3e16265-109275 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 44 -Subparagraph a(1) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=7658586&loc=d3e16265-109275 + Details
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- Definition The aggregate amount of recurring noncash expense charged against earnings in the period to allocate the cost of assets over their estimated remaining economic lives. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3602-108585 + Details
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- Definition Amount of noncash expense included in interest expense to issue debt and obtain financing associated with the related debt instruments. Alternate captions include noncash interest expense. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 8 -Article 9 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3602-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.8) -URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 8 -Article 5 + Details
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- Definition The aggregate costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility, and costs allocated in accounting for a business combination to in-process projects deemed to have no alternative future use. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 141 -Paragraph 51 -Subparagraph g -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 86 -Paragraph 11, 12 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 985 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6501960&loc=d3e128462-111756 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 730 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6420194&loc=d3e21568-108373 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 2 -Paragraph 12, 13 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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