Financial Instruments - Derivative Instruments Measured at Fair Value (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014		Dec. 31, 2013
Derivatives, Fair Value [Line Items]
Total Fair Value, Derivative Assets	$ 21,718	[1]	$ 10,146	[1]
Foreign currency contracts [Member]
Derivatives, Fair Value [Line Items]
Total Fair Value, Derivative Assets	21,035	[1]	9,476	[1]
Total Fair Value, Derivative Liabilities	1,061	[2]	8,933	[2]
Interest Rate Swaps [Member]
Derivatives, Fair Value [Line Items]
Total Fair Value, Derivative Assets	683	[1]	670	[1]
Fair Value of Derivatives Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Total Fair Value, Derivative Assets	17,320	[1]	1,250	[1]
Fair Value of Derivatives Designated as Hedging Instrument [Member] | Foreign currency contracts [Member]
Derivatives, Fair Value [Line Items]
Total Fair Value, Derivative Assets	16,637	[1]	580	[1]
Total Fair Value, Derivative Liabilities	6	[2]	6,024	[2]
Fair Value of Derivatives Designated as Hedging Instrument [Member] | Interest Rate Swaps [Member]
Derivatives, Fair Value [Line Items]
Total Fair Value, Derivative Assets	683	[1]	670	[1]
Fair Value of Derivatives Not Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Total Fair Value, Derivative Assets	4,398	[1]	8,896	[1]
Fair Value of Derivatives Not Designated as Hedging Instrument [Member] | Foreign currency contracts [Member]
Derivatives, Fair Value [Line Items]
Total Fair Value, Derivative Assets	4,398	[1]	8,896	[1]
Total Fair Value, Derivative Liabilities	1,055	[2]	2,909	[2]
Fair Value of Derivatives Not Designated as Hedging Instrument [Member] | Interest Rate Swaps [Member]
Derivatives, Fair Value [Line Items]
Total Fair Value, Derivative Assets	$ 0	[1]	$ 0	[1]

[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.