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Derivative Instruments - Designated as Hedging Instruments by Classification and Amount of Gains and Losses (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Derivatives designated as hedging instruments | Foreign currency forward exchange contracts and other | Cost of sales
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain Recognized in OCI		$ 3,254		$ 9,072
Amount of Gain Reclassified from Accumulated OCI to Statement of Operations		$ 2,492		$ 3,251
Reclassification Out of Accumulated Other Comprehensive Income (Loss) | Derivative Instruments
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain Recognized in OCI	$ 4,704		$ 13,894
Amount of Gain Reclassified from Accumulated OCI to Statement of Operations	$ 3,699		$ 6,909

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Amount, before tax and reclassification, of gain (loss) from derivative instrument designated and qualifying cash flow hedge included in assessment of hedge effectiveness.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 20
-Section 45
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-URI http://asc.fasb.org/extlink&oid=121577181&loc=SL110061190-113977

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Amount, before tax, of reclassification of gain (loss) from accumulated other comprehensive income (AOCI) for derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
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