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Derivative Instruments and Hedging Activities (Fair Value of Derivatives) (Details) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2014
Dec. 31, 2013
Derivatives designated as hedging instruments
   
Derivatives, Fair Value [Line Items]    
Derivative Asset $ 82 $ 0
Derivatives not designated as hedging instruments
   
Derivatives, Fair Value [Line Items]    
Derivative Asset 3,158 0
Foreign exchange forward | Derivatives not designated as hedging instruments | Other current assets
   
Derivatives, Fair Value [Line Items]    
Derivative Asset 786 0
Foreign exchange forward | Derivatives not designated as hedging instruments | Other assets
   
Derivatives, Fair Value [Line Items]    
Derivative Asset 684 0
Commodity options | Derivatives not designated as hedging instruments | Other current assets
   
Derivatives, Fair Value [Line Items]    
Derivative Asset 941 0
Commodity options | Derivatives not designated as hedging instruments | Other assets
   
Derivatives, Fair Value [Line Items]    
Derivative Asset 582 0
Foreign exchange forward | Derivatives designated as hedging instruments | Other current assets
   
Derivatives, Fair Value [Line Items]    
Derivative Asset 82 0
Foreign exchange forward | Derivatives not designated as hedging instruments | Other current assets
   
Derivatives, Fair Value [Line Items]    
Derivative Asset $ 165 $ 0