Financial Instruments - Derivative Instruments Measured at Fair Value (Detail) - USD ($) $ in Thousands		Jun. 30, 2017	Dec. 31, 2016
Derivatives, Fair Value [Line Items]
Total Fair Value, Derivative Assets	[1]	$ 8,982	$ 21,837
Total Fair Value, Derivative Liabilities	[2]	16,030	2,980
Foreign currency contracts [Member]
Derivatives, Fair Value [Line Items]
Total Fair Value, Derivative Assets	[1]	8,982	21,502
Total Fair Value, Derivative Liabilities	[2]	15,872	2,255
Interest rate swaps [Member]
Derivatives, Fair Value [Line Items]
Total Fair Value, Derivative Assets	[1]		335
Total Fair Value, Derivative Liabilities		158	725
Fair Value of Derivatives Designated as Hedging Instruments [Member]
Derivatives, Fair Value [Line Items]
Total Fair Value, Derivative Assets	[1]	927	14,100
Total Fair Value, Derivative Liabilities	[2]	7,178	771
Fair Value of Derivatives Designated as Hedging Instruments [Member] | Foreign currency contracts [Member]
Derivatives, Fair Value [Line Items]
Total Fair Value, Derivative Assets	[1]	927	13,765
Total Fair Value, Derivative Liabilities	[2]	7,020	46
Fair Value of Derivatives Designated as Hedging Instruments [Member] | Interest rate swaps [Member]
Derivatives, Fair Value [Line Items]
Total Fair Value, Derivative Assets	[1]		335
Total Fair Value, Derivative Liabilities		158	725
Fair Value of Derivatives Not Designated as Hedging Instruments [Member]
Derivatives, Fair Value [Line Items]
Total Fair Value, Derivative Assets	[1]	8,055	7,737
Total Fair Value, Derivative Liabilities	[2]	8,852	2,209
Fair Value of Derivatives Not Designated as Hedging Instruments [Member] | Foreign currency contracts [Member]
Derivatives, Fair Value [Line Items]
Total Fair Value, Derivative Assets	[1]	8,055	7,737
Total Fair Value, Derivative Liabilities	[2]	$ 8,852	2,209
Fair Value of Derivatives Not Designated as Hedging Instruments [Member] | Interest rate swaps [Member]
Derivatives, Fair Value [Line Items]
Total Fair Value, Derivative Assets	[1]		$ 0

[1] Derivative assets are recorded to Prepaid expenses and other current assets in the Consolidated Balance Sheet.

[2] Derivative liabilities are recorded as Other current liabilities in the Consolidated Balance Sheet.