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Restructuring and Business Realignment (Schedule of Business Realignment Charges Classified by Statement of Operations) (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Restructuring Cost and Reserve [Line Items] |  |  |
Charge to expense | $ 2,617 | $ 1,029 | $ 1,578
Cost of Sales [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Charge to expense | 437 | 172 | 847
Selling, General and Administrative Expenses [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Charge to expense | 1,080 | 528 | 559
Design and Development [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Charge to expense | 1,100 | 329 | 172
Electronics [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Charge to expense | 59 | 183 | 494
Electronics [Member] | Selling, General and Administrative Expenses [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Charge to expense | $ 59 | 183 | $ 494
Corporate [Member] | Selling, General and Administrative Expenses [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Charge to expense |  | $ 309 |

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- Definition Discloses the amount charged against the accrued restructuring reserves, or earnings if not previously accrued, during the period for the specified type of restructuring cost. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 5.P.4(b)) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 5 -Section P -Subsection 3, 4 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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