Defined Contribution Plans, Pension and Other Post-Retirement Benefit Plans - Amounts Recognized in Consolidated Balance Sheets (Detail) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Defined Benefit Plan Disclosure [Line Items]
Noncurrent liabilities	$ 17,233	$ 23,356
U.S. Pension Plans
Defined Benefit Plan Disclosure [Line Items]
Current liabilities	0	0
Noncurrent liabilities	11,094	15,104
Net amount recognized	11,094	15,104
Non-U.S. Pension Plans
Defined Benefit Plan Disclosure [Line Items]
Current liabilities	0	0
Noncurrent liabilities	5,578	7,818
Net amount recognized	5,578	7,818
Other Post-Retirement Benefit Plans
Defined Benefit Plan Disclosure [Line Items]
Current liabilities	74	81
Noncurrent liabilities	356	434
Net amount recognized	$ 430	$ 515