- Components of Provision for Income Taxes (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Current:
Federal	$ 39,051	$ 41,134	$ 103,717
State	3,759	7,264	4,780
Foreign	27,539	22,267	17,367
Deferred	23,643	75,634	(25,561)
Total provision for income taxes for continuing operations	$ 93,992	$ 146,299	$ 100,303