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Derivatives - Summary of Fair Value Amounts of Company's Derivative Instruments (Detail) - USD ($)
$ in Thousands
Jun. 30, 2016
Dec. 31, 2015
Derivatives, Fair Value [Line Items]    
Derivative assets $ 760 $ 1,486
Derivative liabilities (3,086) (263)
Total net derivative (liabilities) assets (2,334) 1,223
Derivatives Designated as Hedging Instruments [Member]    
Derivatives, Fair Value [Line Items]    
Total net derivative (liabilities) assets (2,326) 1,223
Forward Exchange Contracts [Member] | Derivatives Designated as Hedging Instruments [Member]    
Derivatives, Fair Value [Line Items]    
Derivative assets 655 1,486
Derivative liabilities (2,989) $ (263)
Foreign Currency Option Contracts [Member] | Derivatives Designated as Hedging Instruments [Member]    
Derivatives, Fair Value [Line Items]    
Derivative assets 105  
Derivative liabilities $ (97)