Provision Benefit for Income Taxes (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Current
U.S.	$ 73,059	$ 77,454	$ 59,707
State and local	6,188	7,133	8,123
Foreign	30,630	37,060	33,240
Total current	109,877	121,647	101,070
Deferred
U.S.	7,125	(3,176)	1,500
State and local	(1,017)	(1,708)	(55)
Foreign	(6,447)	(3,709)	(4,601)
Total deferred	(339)	(8,593)	(3,156)
Total provision for income taxes	$ 109,538	$ 113,054	$ 97,914