Income Taxes - Provision (Benefit) for Income Tax for Continuing Operations (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Current:
Federal	$ 67,405	$ 46,270	$ 7,879
State and local	12,837	8,678	2,576
Foreign	12,948	53,120	34,922
Current income tax provision (benefit) for continuing operations, Total	93,190	108,068	45,377
Deferred:
Federal	23,466	5,282	26,647
State and local	5,157	82	7,255
Foreign	(3,589)	(1,735)	127
Deferred income tax provision (benefit) for continuing operations, Total	25,034	3,629	34,029
Provision for income taxes	$ 118,224	$ 111,697	$ 79,406