Financial Instruments - Derivative Instruments Measured at Fair Value (Detail) - USD ($) $ in Thousands		Sep. 30, 2016	Dec. 31, 2015
Derivatives, Fair Value [Line Items]
Total Fair Value, Derivative Assets	[1]	$ 8,947	$ 11,470
Total Fair Value, Derivative Liabilities	[2]	7,439
Foreign currency contracts [Member]
Derivatives, Fair Value [Line Items]
Total Fair Value, Derivative Assets	[1]	6,621	10,260
Total Fair Value, Derivative Liabilities	[2]	7,439	5,128
Interest rate swaps [Member]
Derivatives, Fair Value [Line Items]
Total Fair Value, Derivative Assets	[1]	2,326	1,210
Fair Value of Derivatives Designated as Hedging Instruments [Member]
Derivatives, Fair Value [Line Items]
Total Fair Value, Derivative Assets	[1]	4,737	7,770
Total Fair Value, Derivative Liabilities	[2]	1,588
Fair Value of Derivatives Designated as Hedging Instruments [Member] | Foreign currency contracts [Member]
Derivatives, Fair Value [Line Items]
Total Fair Value, Derivative Assets	[1]	2,411	6,560
Total Fair Value, Derivative Liabilities	[2]	1,588	2,106
Fair Value of Derivatives Designated as Hedging Instruments [Member] | Interest rate swaps [Member]
Derivatives, Fair Value [Line Items]
Total Fair Value, Derivative Assets	[1]	2,326	1,210
Fair Value of Derivatives Not Designated as Hedging Instruments [Member]
Derivatives, Fair Value [Line Items]
Total Fair Value, Derivative Assets	[1]	4,210	3,700
Total Fair Value, Derivative Liabilities	[2]	5,851
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]	4,210	3,700
Total Fair Value, Derivative Liabilities	[2]	5,851	3,022
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	$ 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.