Derivative Instruments - Schedule of Derivative Assets and Liabilities (Detail) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Derivatives, Fair Value [Line Items]
Derivative Assets	$ 15,002	$ 16,092
Derivative Liabilities	2,976	2,910
Designated As Hedging Instrument
Derivatives, Fair Value [Line Items]
Derivative Assets	10,942	13,735
Derivative Liabilities	2,713	1,139
Designated As Hedging Instrument | Foreign currency forward exchange contracts | Prepaid expenses and other current assets
Derivatives, Fair Value [Line Items]
Derivative Assets	10,227	12,122
Designated As Hedging Instrument | Foreign currency forward exchange contracts | Other noncurrent assets
Derivatives, Fair Value [Line Items]
Derivative Assets	715	1,613
Designated As Hedging Instrument | Foreign currency forward exchange contracts | Accrued liabilities
Derivatives, Fair Value [Line Items]
Derivative Liabilities	2,500	954
Designated As Hedging Instrument | Foreign currency forward exchange contracts | Other noncurrent liabilities
Derivatives, Fair Value [Line Items]
Derivative Liabilities	213	185
Not Designated As Hedging Instrument | Foreign currency forward exchange contracts | Prepaid expenses and other current assets
Derivatives, Fair Value [Line Items]
Derivative Assets	4,060	2,357
Not Designated As Hedging Instrument | Foreign currency forward exchange contracts | Accrued liabilities
Derivatives, Fair Value [Line Items]
Derivative Liabilities	$ 263	$ 1,771