Income Tax Expense (Benefit) (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Reconciliation of Provision of Income Taxes [Line Items]
Current	$ 194,100	$ 74,900	$ 170,700
Deferred	87,800	(44,200)	62,700
Income taxes	281,925	30,734	233,435
Federal
Reconciliation of Provision of Income Taxes [Line Items]
Current	141,600	6,900	87,900
Deferred	88,200	(45,800)	62,900
Income taxes	229,800	(38,900)	150,800
State
Reconciliation of Provision of Income Taxes [Line Items]
Current	16,200	9,700	12,000
Deferred	(300)	800	500
Income taxes	15,900	10,500	12,500
Foreign
Reconciliation of Provision of Income Taxes [Line Items]
Current	36,300	58,300	70,800
Deferred	(100)	800	(700)
Income taxes	$ 36,200	$ 59,100	$ 70,100