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	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Costs of Products Sold [Member] | Designated as Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Effective portion of derivative instruments, gain (loss)	$ (215)	$ 1,750	$ 83	$ 2,623
Other - Net [Member] | Designated as Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Ineffective portion of derivative instruments, gain (loss)	73	(62)	(330)	288
Other - Net [Member] | Not Designated as Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative instruments, gain (loss)	$ 475	$ (313)	$ 1,064	$ 407