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Derivatives - Schedule of Estimated Fair Values of Derivatives Designated as Hedging Instruments (Details) - Designated [Member] - USD ($)
$ in Thousands
Jun. 30, 2015
Dec. 31, 2014
Derivative [Line Items]    
Derivative liability $ (11,941) $ (9,876)
Other Accrued Liabilities [Member] | Foreign Exchange Contract [Member]    
Derivative [Line Items]    
Derivative liability (3,286) (8,475)
Other Accrued Liabilities [Member] | Interest Rate Swap [Member]    
Derivative [Line Items]    
Derivative liability (1,758) 0
Other Noncurrent Liabilities [Member] | Interest Rate Swap [Member]    
Derivative [Line Items]    
Derivative liability $ (6,897) $ (1,401)