Derivatives and Hedge Accounting - Summary of Fair Value of Foreign Currency Exchange Contracts (Detail) - Foreign Currency Exchange Contracts - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Derivatives Designated as Hedging Instruments | Other current assets
Derivatives, Fair Value [Line Items]
Foreign currency exchange contracts, asset	$ 2,664	$ 1,243
Derivatives Designated as Hedging Instruments | Other assets
Derivatives, Fair Value [Line Items]
Foreign currency exchange contracts, asset	1,175	3,193
Derivatives Designated as Hedging Instruments | Accrued expenses and other current liabilities
Derivatives, Fair Value [Line Items]
Foreign currency exchange contracts, liability	1,226	2,385
Derivatives Designated as Hedging Instruments | Other non current liabilities
Derivatives, Fair Value [Line Items]
Foreign currency exchange contracts, liability	1,132	576
Derivatives not Designated as Hedging Instruments | Other current assets
Derivatives, Fair Value [Line Items]
Foreign currency exchange contracts, asset	$ 345	$ 143