Income Taxes - Provision (Benefit) for Income Tax for Continuing Operations (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Current:
Federal	$ 2,659	$ 56	$ 69,463
State and local	5,386	5,350	6,304
Foreign	9,733	7,214	9,842
Current income tax provision (benefit) for continuing operations, Total	17,778	12,620	85,609
Deferred:
Federal	1,356	18,293	48,866
State and local	(4,027)	3,266	4,915
Foreign	(3,752)	(684)	7,790
Deferred income tax provision (benefit) for continuing operations, Total	(6,423)	20,875	61,571
Provision for income taxes	$ 11,355	$ 33,495	$ 147,180