Financial Instruments - Derivative Instruments Designated as Cash Flow and Net Investment Hedging Instruments (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014		Dec. 31, 2013
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain or (Loss) Recognized in OCI on Derivative (Effective Portion)	$ 23,798		$ (5,168)
Amount of Gain or (Loss) Reclassified from Accumulated OCI into Income (Effective Portion)	(3,949)		(1,162)
Cross Currency Swap [Member] | Other (income) expense, net [Member] | Cash Flow Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain or (Loss) Recognized in OCI on Derivative (Effective Portion)	0	[1]	0	[1]
Amount of Gain or (Loss) Reclassified from Accumulated OCI into Income (Effective Portion)	0	[1]	(333)	[1]
Forward Currency Contracts [Member] | Cash Flow Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain or (Loss) Recognized in OCI on Derivative (Effective Portion)	16,109		(1,308)
Forward Currency Contracts [Member] | Net Investment Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain or (Loss) Recognized in OCI on Derivative (Effective Portion)	7,415		(1,330)
Amount of Gain or (Loss) Reclassified from Accumulated OCI into Income (Effective Portion)	0		0
Forward Currency Contracts [Member] | Cost of goods sold [Member] | Cash Flow Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain or (Loss) Reclassified from Accumulated OCI into Income (Effective Portion)	(3,675)		(624)
Interest Rate Swaps [Member] | Cash Flow Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain or (Loss) Recognized in OCI on Derivative (Effective Portion)	274	[2]	(2,530)	[2]
Interest Rate Swaps [Member] | Interest expense [Member] | Cash Flow Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain or (Loss) Reclassified from Accumulated OCI into Income (Effective Portion)	$ (274)	[2]	$ (205)	[2]

[1] Ten year swap executed in 2003

[2] Interest rate swaps were entered into as pre-issuance hedges for the $300 million bond offering.