Income Taxes - Components of Income Tax Expense (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Current:
Federal	$ 171,718	$ 144,615	$ 252,337
State	48,012	39,326	29,288
Foreign	60,417	77,306	44,896
Deferred:
Federal	(34,362)	15,167	71,238
State	(13,449)	5,770	13,663
Foreign	(23,121)	(17,046)	(18,911)
Income tax expense, total	$ 209,215	$ 265,138	$ 392,511