Fair Value Measurements - Gains and Losses on Derivative Instruments in Consolidated Statement of Income (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Loss Recognized in Other Comprehensive Income on Derivatives	$ (4,111)	$ (1,121)
Designated as Hedging Instrument
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Loss Recognized in Other Comprehensive Income on Derivatives	(3,601)
Amount of Gain (Loss) Reclassified from Accumulated Other Comprehensive Income into Income	510
Amount of Gain (Loss) Reclassified from Accumulated Other Comprehensive Income into Income		(62)
Designated as Hedging Instrument | Net sales
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain (Loss) Reclassified from Accumulated Other Comprehensive Income into Income	180
Amount of Gain (Loss) Reclassified from Accumulated Other Comprehensive Income into Income		399
Designated as Hedging Instrument | Interest expense
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain (Loss) Reclassified from Accumulated Other Comprehensive Income into Income	(30)
Amount of Gain (Loss) Reclassified from Accumulated Other Comprehensive Income into Income		(32)
Designated as Hedging Instrument | Other non-operating income
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain (Loss) Reclassified from Accumulated Other Comprehensive Income into Income	360
Amount of Gain (Loss) Reclassified from Accumulated Other Comprehensive Income into Income		(429)
Not designated as hedging instruments: | Foreign Currency Derivative | Other non-operating income
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain (Loss) Recognized in Income on Derivatives	$ 6,248	(1,006)
Derivatives Designated as Cash Flow Hedges | Designated as Hedging Instrument
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Loss Recognized in Other Comprehensive Income on Derivatives		$ (1,183)