Financial Instruments - Derivative Instruments Designated as Cash Flow and Net Investment Hedging Instruments (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Derivative Instruments, Gain (Loss) [Line Items]
Amount of (Loss) Gain Recognized in OCI on Derivative (Effective Portion)	$ (71,152)	$ 73,056	$ (71,240)	$ 75,411
Amount of (Loss) Gain Reclassified from Accumulated OCI into Income (Effective Portion)	992	1,708	3,883	5,975
Foreign currency contracts | Derivatives in Cash Flow Hedging Relationships [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of (Loss) Gain Recognized in OCI on Derivative (Effective Portion)	(4,966)	2,438	(7,049)	(265)
Cross Currency Swaps | Derivatives in Net Investment Hedging Relationships [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of (Loss) Gain Recognized in OCI on Derivative (Effective Portion)	(8,370)	17,803	(1,988)	24,408
Forward Contracts | Cost of goods sold | Derivatives in Cash Flow Hedging Relationships [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of (Loss) Gain Reclassified from Accumulated OCI into Income (Effective Portion)	1,207	1,924	4,527	6,619
2024 Euro Notes | Derivatives in Net Investment Hedging Relationships [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of (Loss) Gain Recognized in OCI on Derivative (Effective Portion)	(18,135)	16,437	(19,640)	15,820
Interest rate swaps | Derivatives in Cash Flow Hedging Relationships [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of (Loss) Gain Recognized in OCI on Derivative (Effective Portion)	215	216	644	644
Interest rate swaps | Interest expense | Derivatives in Cash Flow Hedging Relationships [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of (Loss) Gain Reclassified from Accumulated OCI into Income (Effective Portion)	215	216	644	644
Senior Notes Maturing 2021 through 2026 | Derivatives in Net Investment Hedging Relationships [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of (Loss) Gain Recognized in OCI on Derivative (Effective Portion)	$ (39,896)	$ 36,162	$ (43,207)	$ 34,804