Derivatives Financial Instruments - Fair Value Amounts of Derivative Instruments Reported in Consolidated Balance Sheets (Detail) - Derivatives Not Designated as Hedge Instrument [Member] - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Foreign Exchange Forward [Member]
Derivatives, Fair Value [Line Items]
Liabilities Derivatives	$ 1,190	$ 29
Prepaid Expenses and Other Current Assets [Member] | Foreign Exchange Forward [Member]
Derivatives, Fair Value [Line Items]
Asset Derivatives	632	268
Accrued Expense [Member] | Foreign Exchange Forward [Member]
Derivatives, Fair Value [Line Items]
Liabilities Derivatives	2	$ 29
Notes Payable [Member] | Interest Rate Swap Contracts [Member]
Derivatives, Fair Value [Line Items]
Liabilities Derivatives	$ 1,188