Financial Instruments - Fair Value Hierarchy Level for Company's Liabilities Measured (Detail) (Level 2 [Member], USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Other Current Assets [Member]
Fair Value Of Assets And Liabilities Measured On Recurring Basis [Line Items]
Forward foreign exchange contracts - other current assets	$ 928	$ 370
Interest rate swaps - other assets	26	0
Accrued Liabilities [Member]
Fair Value Of Assets And Liabilities Measured On Recurring Basis [Line Items]
Forward foreign exchange contracts - accrued liabilities	(1,435)	(1,999)
Other Assets [Member]
Fair Value Of Assets And Liabilities Measured On Recurring Basis [Line Items]
Interest rate swaps - other assets	80	19
Other Current Liabilities [Member]
Fair Value Of Assets And Liabilities Measured On Recurring Basis [Line Items]
Interest rate swaps - other liabilities	(1,545)	(751)
Other Liabilities [Member]
Fair Value Of Assets And Liabilities Measured On Recurring Basis [Line Items]
Interest rate swaps - other liabilities	$ (2,439)	$ (903)