Accumulated Other Comprehensive Income (Loss) - Components of Accumulated Other Comprehensive Income (Loss) (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019		Dec. 31, 2018		Dec. 31, 2017
Accumulated Other Comprehensive Income Loss Net Of Tax [Abstract]
Beginning Balance, Gains and Losses on Hedging Derivatives	$ (6,500)		$ (2,800)
Amount of Gain or (Loss), net of tax, Recognized in OCI on Derivatives (Effective Portion)	(9,833)		(3,568)		$ (4,523)
Amounts reclassified from accumulated other comprehensive (loss) income into earnings, Gains and Losses on Hedging Derivatives	2,333	[1]	(132)	[2]	973
Net current-period other comprehensive income (loss), Gains and Losses on Hedging Derivatives	(7,500)		(3,700)
Ending Balance, Gains and Losses on Hedging Derivatives	(14,000)		(6,500)		(2,800)
Beginning Balance, Foreign Currency Gains (Losses)	(304,646)		(257,513)
Other comprehensive income (loss) before reclassifications, Foreign Currency Gains (Losses)	7,873		(47,133)		68,657
Net current-period other comprehensive income (loss), Foreign Currency Gains (Losses)	7,873		(47,133)
Ending Balance, Foreign Currency Gains (Losses)	(296,773)		(304,646)		(257,513)
Beginning Balance, Adjustment to Early Retiree Medical Plan	7,013		5,632
Other comprehensive income (loss) before reclassifications, Adjustment to Early Retiree Medical Plan	(1,148)		1,731		(1,530)
Amounts reclassified from accumulated other comprehensive (loss) income into earnings, Adjustment to Early Retiree Medical Plan	57	[1]	(350)	[2]	(415)
Net current-period other comprehensive income (loss), Adjustment to Early Retiree Medical Plan	(1,091)		1,381
Accumulated other comprehensive income loss defined benefit pension and other postretirement plans other net of tax	1,885
Ending Balance, Adjustment to Early Retiree Medical Plan	7,807		7,013		5,632
Beginning Balance	(304,133)		(254,681)
Other comprehensive income (loss) before reclassifications	(3,108)		(48,970)
Amounts reclassified from accumulated other comprehensive income (loss) into earnings	2,390	[1]	(482)	[2]
Net current-period other comprehensive income (loss)	(718)		(49,452)		63,162
Accumulated other comprehensive income loss other net of tax	1,885
Ending Balance	$ (302,966)		$ (304,133)		$ (254,681)

[1] Includes $2,333 and 57 net-of-tax impact of accumulated other comprehensive income reclassifications into cost of products sold for net losses on commodity contracts and adjustment to early retiree medical plan, respectively. The tax impacts of these reclassifications were $700 and $49, respectively.

[2] Includes ($132) and ($350) net-of-tax impact of accumulated other comprehensive income reclassifications into cost of products sold for net losses on commodity contracts and adjustment to early retiree medical plan, respectively. The tax impacts of these reclassifications were $0 and ($108), respectively