Financial Instruments - Derivative Instruments Measured at Fair Value (Detail) - USD ($) $ in Thousands		Sep. 30, 2015	Dec. 31, 2014
Derivatives, Fair Value [Line Items]
Total Fair Value, Derivative Assets	[1]	$ 13,248	$ 21,718
Total Fair Value, Derivative Liabilities	[2]	10,760
Foreign currency contracts [Member]
Derivatives, Fair Value [Line Items]
Total Fair Value, Derivative Assets	[1]	8,839	21,035
Total Fair Value, Derivative Liabilities	[2]	5,988	1,061
Interest rate swaps [Member]
Derivatives, Fair Value [Line Items]
Total Fair Value, Derivative Assets	[1]	4,409	683
Total Fair Value, Derivative Liabilities		4,772
Fair Value of Derivatives Designated as Hedging Instruments [Member]
Derivatives, Fair Value [Line Items]
Total Fair Value, Derivative Assets	[1]	11,099	17,320
Total Fair Value, Derivative Liabilities	[2]	8,497
Fair Value of Derivatives Designated as Hedging Instruments [Member] | Foreign currency contracts [Member]
Derivatives, Fair Value [Line Items]
Total Fair Value, Derivative Assets	[1]	6,690	16,637
Total Fair Value, Derivative Liabilities	[2]	3,725	6
Fair Value of Derivatives Designated as Hedging Instruments [Member] | Interest rate swaps [Member]
Derivatives, Fair Value [Line Items]
Total Fair Value, Derivative Assets	[1]	4,409	683
Total Fair Value, Derivative Liabilities		4,772
Fair Value of Derivatives Not Designated as Hedging Instruments [Member]
Derivatives, Fair Value [Line Items]
Total Fair Value, Derivative Assets	[1]	2,149	4,398
Total Fair Value, Derivative Liabilities	[2]	2,263
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]	2,149	4,398
Total Fair Value, Derivative Liabilities	[2]	2,263	1,055
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.