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	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Costs of Products Sold [Member] \| Designated as Hedging [Member]
Derivative Instruments Gain Loss [Line Items]
Effective portion of derivative instruments, gain (loss)	$ 6,468	$ (5,020)	$ 532
Other - Net [Member] \| Designated as Hedging [Member]
Derivative Instruments Gain Loss [Line Items]
Ineffective portion of derivative instruments, gain (loss)		138	182
Other - Net [Member] \| Not Designated as Hedging [Member]
Derivative Instruments Gain Loss [Line Items]
Derivative instruments, gain (loss)	$ 300	$ (1,419)	$ 882

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

12 Months Ended

Dec. 31, 2019

Dec. 31, 2018

Dec. 31, 2017

Costs of Products Sold [Member] | Designated as Hedging [Member]

Derivative Instruments Gain Loss [Line Items]

Effective portion of derivative instruments, gain (loss)

$ 6,468

$ (5,020)

$ 532

Other - Net [Member] | Designated as Hedging [Member]

Derivative Instruments Gain Loss [Line Items]