Accumulated Other Comprehensive Income (Loss) - Components of Accumulated Other Comprehensive Income (Loss) (Detail) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2020		Dec. 31, 2019		Dec. 31, 2018
Accumulated Other Comprehensive Income Loss Net Of Tax [Abstract]
Beginning Balance, Gains and Losses on Hedging Derivatives		$ (14,000)		$ (6,500)
Amount of Gain or (Loss), Net of Tax, Recognized in OCI on Derivatives (Effective Portion)		2,084		(9,833)		$ (3,568)
Amounts reclassified from accumulated other comprehensive (loss) income into earnings, Gains and Losses on Hedging Derivatives		7,216	[1]	2,333	[2]	(132)
Net current-period other comprehensive income (loss), Gains and Losses on Hedging Derivatives		9,300		(7,500)
Ending Balance, Gains and Losses on Hedging Derivatives		(4,700)		(14,000)		(6,500)
Beginning Balance, Foreign Currency Gains (Losses)		(296,773)		(304,646)
Other comprehensive income (loss) before reclassifications, Foreign Currency Gains (Losses)		17,306		7,873		(47,133)
Liquidation of equity method investment in foreign joint venture, net of income taxes of $0 in 2020	[1]	158,640
Net current-period other comprehensive income (loss), Foreign Currency Gains (Losses)		175,946		7,873
Ending Balance, Foreign Currency Gains (Losses)		(120,827)		(296,773)		(304,646)
Beginning Balance, Adjustment to Early Retiree Medical Plan		7,807		7,013
Other comprehensive income (loss) before reclassifications, Adjustment to Early Retiree Medical Plan		(1,213)		(1,148)		1,731
Amounts reclassified from accumulated other comprehensive (loss) income into earnings, Adjustment to Early Retiree Medical Plan		72	[1]	57	[2]	(350)
Net current-period other comprehensive income (loss), Adjustment to Early Retiree Medical Plan		(1,141)		(1,091)
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		6,666		7,807		7,013
Beginning Balance		(302,966)		(304,133)
Other comprehensive income (loss) before reclassifications		18,177		(3,108)
Amounts reclassified from accumulated other comprehensive income (loss) into earnings		165,928	[1]	2,390	[2]
Net current-period other comprehensive income (loss)		184,105		(718)		(49,452)
Accumulated other comprehensive income loss other net of tax				1,885
Ending Balance		$ (118,861)		$ (302,966)		$ (304,133)

[1] Includes $7,216 and $72 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 $2,500 and $17, respectively. Also includes a $158.6 million reclassification of cumulative foreign currency translation losses into losses and impairments of assets, of which there was no tax impact.

[2] 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.