Income Taxes - Components of Income Taxes (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Current Income Tax Expense (Benefit), Continuing Operations [Abstract]
Federal	$ 71,123	$ 50,145	$ 165,303
State	19,597	10,285	26,036
Foreign	71,921	84,433	95,053
Total current	162,641	144,863	286,392
Deferred Income Tax Expense (Benefit), Continuing Operations [Abstract]
Federal	143	(10,479)	(19,688)
State	(4,323)	3,745	8,727
Foreign	19,848	44,617	8,211
Total deferred	15,668	37,883	(2,750)
Total provision	$ 178,309	$ 182,746	$ 283,642	[1]

[1] The Company applied the modified retrospective transition method when adopting ASU 2016-02 "Leases", therefore the Company's 2018 prior results were not restated to reflect ASU 2016-02. Refer to footnote 14.