Employee Benefit Plans - Amounts Recognized in Consolidated Balance Sheets (Detail) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Non-U.S. Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Other assets (noncurrent)	$ 313	$ 9,121
Other liabilities (current)	0	0
Other liabilities (noncurrent)	(1,374)	(2,638)
Net amount recognized	(1,061)	6,483
U.S. Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Other assets (noncurrent)	229	1,134
Other liabilities (current)	(3,857)	(3,441)
Other liabilities (noncurrent)	(41,709)	(58,136)
Net amount recognized	$ (45,337)	$ (60,443)