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Derivatives - Additional Disclosures (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Derivative Instruments,Gain (Loss) [Line Items]
Remaining maturity of foreign currency derivatives (less than)				9 months
Net gain (loss) on foreign currency exchange contracts	[1]	$ (218)	$ (80)	$ (894)	$ 787
Other Income (Expense), Net [Member] | Not Designated as Hedging Instrument [Member] | Foreign Currency Exchange Contract [Member]
Derivative Instruments,Gain (Loss) [Line Items]
Net gain (loss) on foreign currency exchange contracts		$ (200)	$ (100)	$ (900)	$ 800
[1] This represents the gains (losses) incurred on foreign currency hedging derivatives (see Note 18 for further details).

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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

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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=64837297&loc=SL5618551-113959

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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.

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