Employee Benefit Plans - Amounts Recognized in Consolidated Balance Sheets (Detail) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Non-U.S. Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Other assets (noncurrent)	$ 9,121	$ 7,725
Other liabilities (noncurrent)	(2,638)	(2,564)
Net amount recognized	6,483	5,161
U.S. Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Other assets (noncurrent)	1,134
Other liabilities (current)	(3,441)	(3,037)
Other liabilities (noncurrent)	(58,136)	(62,916)
Net amount recognized	$ (60,443)	$ (65,953)