Employee Benefit Plans - Reconciliation of Changes in Projected Benefit Obligations for our Non - U.S. and U.S. Plans (Detail) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Curtailment	$ (800)
Non-U.S. Plans [Member]
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Benefit obligation at beginning of year		$ 69,372	$ 72,553
Service cost		2,914	3,344	$ 4,777
Interest cost		2,412	2,546	4,650
Actuarial loss (gain)		19,296	(2,778)
Benefits paid		(3,515)	(2,971)
Curtailment		(5,735)	0
Plan participants’ contributions		307	363
Foreign exchange rate changes		(12,704)	(3,685)
Benefit obligation at end of year	72,347	72,347	69,372	72,553
U.S. Plans [Member]
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Benefit obligation at beginning of year		228,390	238,072
Service cost		6,647	8,596	8,901
Interest cost		9,557	9,198	10,546
Actuarial loss (gain)		(5,178)	(21,631)
Benefits paid		(5,747)	(5,845)
Curtailment		(17,092)	0
Plan participants’ contributions		0	0
Foreign exchange rate changes		0	0
Benefit obligation at end of year	$ 216,577	$ 216,577	$ 228,390	$ 238,072