Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

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

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- Definition

The estimated net amount of existing gains or losses on cash flow hedges at the reporting date expected to be reclassified to earnings within the next 12 months.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=35736893&loc=d3e80748-113994

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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=64837297&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=64837297&loc=SL5624171-113959

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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

No definition available.

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- Definition

The effective portion of gains and losses (net) on derivative instruments designated and qualifying as hedging instruments that was recognized in other comprehensive income during the current period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4C
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=64837297&loc=SL5624171-113959

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Derivative Financial Instruments - Effect of foreign exchange derivative instruments in comprehensive income (loss) and statement of operations (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016	Dec. 31, 2016
Derivative Instruments, Gain (Loss) [Line Items]
Expected reclassification of gain recorded in accumulated other comprehensive loss into earnings during next twelve months			$ (3,900)
Derivative designated as hedging \| Foreign exchange forward contracts
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) Recognized in OCI	$ (4,407)	$ (1,549)	(15,727)	$ (25,174)
Gain (Loss) Recognized in Statement of Operations	(2,197)	(1,543)	(718)	3,507
Notional amount	284,100		284,100		$ 371,200
Derivative designated as hedging \| Foreign exchange forward contracts \| Cash flow
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) Recognized in OCI	(4,407)	(1,549)	(15,727)	(25,174)
Derivative designated as hedging \| Cost of goods sold \| Foreign exchange forward contracts
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) Recognized in Statement of Operations	(1,133)	(583)	1,962	7,174
Derivative designated as hedging \| Selling, general and administrative \| Foreign exchange forward contracts
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) Recognized in Statement of Operations	(1,064)	$ (960)	(2,680)	$ (3,667)
Undesignated hedging instrument \| Foreign exchange forward contracts
Derivative Instruments, Gain (Loss) [Line Items]
Notional amount	$ 1,600		$ 1,600		$ 0