Income Taxes - Components of Provision for Income Taxes (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Current:
Federal	$ 41,949	$ 17,846	$ 56,834
State	13,924	3,336	7,507
Foreign	23,308	24,385	20,650
Current income tax provision	79,181	45,567	84,991
Deferred:
Federal	(11,521)	25,887	(118,919)
State	(5,013)	3,382	4,413
Foreign	(4,325)	(5,529)	(463)
Deferred income tax (benefit) provision	(20,859)	23,740	(114,969)
Provision (benefit) for income taxes	$ 58,322	$ 69,307	$ (29,978)