Employee Benefit Plans - Pension Costs (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Non-U.S. Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Service Cost	$ 3,344	$ 4,777	$ 5,496
Interest cost	2,546	4,650	5,085
Return on plan assets	(3,673)	(6,117)	(5,836)
Amortization of prior service cost	104	46
Recognized net actuarial loss	315	769	1,670
Net pension expense	2,636	4,125	6,415
U.S. Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Service Cost	8,596	8,901	10,724
Interest cost	9,198	10,546	9,049
Return on plan assets	(13,146)	(15,499)	(13,102)
Amortization of prior service cost	142	196	227
Recognized net actuarial loss	6,158	2,857	7,639
Curtailment expense		241
Settlement expense		9,872
Net pension expense	$ 10,948	$ 17,114	$ 14,537