Fair Value Measurements and Financial Instruments - Fair Value Hierarchy Level for Company's Liabilities Measured (Detail) - Level 2 [Member] - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Other Current Assets [Member]
Fair Value Of Assets And Liabilities Measured On Recurring Basis [Line Items]
Forward foreign exchange contract asset	$ 888	$ 764
Accrued Liabilities [Member]
Fair Value Of Assets And Liabilities Measured On Recurring Basis [Line Items]
Forward foreign exchange contract liability	(1,140)	(535)
Interest rate swap liability	(1,090)	(2,458)
Other Liabilities [Member]
Fair Value Of Assets And Liabilities Measured On Recurring Basis [Line Items]
Interest rate swap liability	$ 0	$ (661)