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Derivatives - Narrative (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Maximum Remaining Maturity of Foreign Currency Derivatives |  | 9 months |  |
Net gain (loss) on foreign currency exchange contracts | [1] | $ 294 | $ (491) | $ 888
Not designated as hedging instrument | Foreign currency exchange futures contracts | Other Income (Expense), Net [Member] |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Net gain (loss) on foreign currency exchange contracts |  | $ 300 | $ (500) | $ 900
[1] | This represents the gains and (losses) incurred on foreign currency hedging derivatives (see Note 19 for further details).

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- Definition Aggregate net gain (loss) on all derivative instruments recognized in earnings during the period, before tax effects. + 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 + Details
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- Definition Maximum amount of time remaining before foreign currency exchange rate derivatives mature or expire, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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