Income Taxes - Components of Income Before Income Taxes (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Income Tax Disclosure [Abstract]
U.S. income	$ 60,753	$ 58,209	$ 48,621
Non-U.S. income	50,273	68,986	71,512
Income from continuing operations before income taxes	111,026	127,195	120,133
Current
Federal	21,253	23,659	18,656
State	2,389	1,349	1,492
Non-U.S.	22,979	21,101	18,453
Total current provision	46,621	46,109	38,601
Deferred
Federal	3,813	(3,650)	(3,582)
State	(213)	317	(483)
Non-U.S.	(5,814)	(1,732)	609
Total deferred provision	(2,214)	(5,065)	(3,456)
Provision for income taxes	$ 44,407	$ 41,044	$ 35,145