Derivative Instruments - Additional Information (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Not Designated As Hedging Instrument
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Net (loss) gain recognized in the consolidated statements of operations for derivatives not designated as hedging instruments	$ (9,425)	$ (46,656)	$ (30,753)
Foreign Exchange Forward
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Notional amount of foreign currency forward exchange contracts	1,200,000	930,800
Foreign Exchange Forward | Designated As Hedging Instrument | Cost of Sales Classification
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Net (loss) gain reclassified from accumulated other comprehensive loss to the consolidated statements of operations for derivatives designated as hedging instruments	16,627	52,588	(883)
Foreign Exchange Forward | Not Designated As Hedging Instrument | Cost of Sales Classification
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Net (loss) gain recognized in the consolidated statements of operations for derivatives not designated as hedging instruments	$ 1,631	$ (265)	$ 732
Maximum
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Maximum term for foreign currency forward exchange contracts	18 months