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Derivatives - Contracts Held (Details) - Not designated as hedging instrument - Foreign currency exchange futures contracts $ in Thousands | 12 Months Ended
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Dec. 31, 2015 USD ($) BRL / $ ¥ / $ $ / € | Dec. 31, 2014 USD ($) BRL / $ ¥ / $ $ / €
Euro | Future Contract 1 |  |  |
Derivative [Line Items] |  |  |
Notional Value |  | $ 7,000 | $ 5,000
Forward Rate | $ / € |  | 1.0864 | 1.245
Gain/(Loss) Recorded at Balance Sheet Date | [1] | $ (7) | $ 140
Chinese Yuan Renminbi |  |  |
Derivative [Line Items] |  |  |
Notional Value |  | $ 22,500 | $ 20,000
Forward Rate | ¥ / $ |  | 6.2565 | 6.2757
Gain/(Loss) Recorded at Balance Sheet Date | [1] | $ (1,100) | $ 174
Brazilian Real | Future Contract 1 |  |  |
Derivative [Line Items] |  |  |
Notional Value |  | $ 1,000 | $ 5,000
Forward Rate | BRL / $ |  | 3.7461 | 2.3401
Gain/(Loss) Recorded at Balance Sheet Date | [1] | $ (57) | $ 609
Brazilian Real | Future Contract 2 |  |  |
Derivative [Line Items] |  |  |
Notional Value |  | $ 3,000 | $ 2,500
Forward Rate | BRL / $ |  | 3.9503 | 2.54420
Gain/(Loss) Recorded at Balance Sheet Date | [1] | $ 18 | $ (113)
[1] | Gains on futures contracts are recorded in prepaid expenses and other current assets. Losses on futures contracts are recorded in other accrued expenses.

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- Definition Aggregate notional amount specified by the derivative(s). Expressed as an absolute value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 12 -Section 13 -Sentence Column B + Details
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- Definition Amount of increase (decrease) in the fair value of derivatives recognized in the income statement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=56946850&loc=SL5618551-113959 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (a),(c),(d),(e) -URI http://asc.fasb.org/extlink&oid=56946850&loc=SL5624171-113959 + Details
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