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Derivative Financial Instruments - Summary of the Fair Value Amounts of Derivative Instruments (Details) - Level 2 [Member] - USD ($)
$ in Thousands
Sep. 30, 2015
Dec. 31, 2014
Derivatives, Fair Value [Line Items]    
Net derivative asset (liability) $ (333) $ (641)
Designated as Hedging Instrument [Member]    
Derivatives, Fair Value [Line Items]    
Derivative assets 114 26
Derivative liabilities 635 729
Designated as Hedging Instrument [Member] | Foreign Exchange Forward [Member] | Prepaid expenses and other current assets [Member]    
Derivatives, Fair Value [Line Items]    
Derivative assets 114 26
Designated as Hedging Instrument [Member] | Interest Rate Swaps [Member] | Other non-current liabilities [Member]    
Derivatives, Fair Value [Line Items]    
Derivative liabilities 635 729
Not Designated as Hedging Instrument [Member]    
Derivatives, Fair Value [Line Items]    
Derivative assets 188 62
Not Designated as Hedging Instrument [Member] | Foreign Exchange Forward [Member] | Prepaid expenses and other current assets [Member]    
Derivatives, Fair Value [Line Items]    
Derivative assets $ 188 $ 62