Defined Contribution Plans, Pension and Other Post-Retirement Benefit Plans - Amounts Recognized in Consolidated Balance Sheets (Detail) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Defined Benefit Plan Disclosure [Line Items]
Noncurrent liabilities	$ 18,938	$ 17,233
U.S. Pension and Other Post-Retirement Benefit Plans
Defined Benefit Plan Disclosure [Line Items]
Current liabilities	64	74
Noncurrent liabilities	9,058	11,451
Net amount recognized	9,122	11,525
Non-U.S. Pension Plans
Defined Benefit Plan Disclosure [Line Items]
Current liabilities	0	0
Noncurrent liabilities	9,740	5,578
Net amount recognized	$ 9,740	$ 5,578