Financial Derivatives and Hedging Activities - Income or (Loss) from Derivative Instruments Recognized in Results of Operations (Detail) (Forward Foreign Currency Exchange Contracts [Member], USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Costs of Products Sold [Member] | Designated as Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Effective portion of derivative instruments, gain (loss)	$ 873	$ (449)
Other, Net [Member] | Designated as Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Ineffective portion of derivative instruments, gain (loss)	350	(18)
Other, Net [Member] | Not Designated as Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative instruments, gain (loss)	$ 720	$ 336