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Derivative Instruments And Hedging Activities (Derivatives Designated As Hedging Instruments) (Details) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2014
Dec. 31, 2013
Derivatives, Fair Value [Line Items]    
Asset derivatives designated as hedging instruments $ 578 $ 446
Liability derivatives designated as hedging instruments 23,152 15,817
Other Assets, Net [Member] | Interest Rate Swaps [Member]
   
Derivatives, Fair Value [Line Items]    
Asset derivatives designated as hedging instruments 578 446
Accrued Liabilities [Member] | Interest Rate Swaps [Member]
   
Derivatives, Fair Value [Line Items]    
Liability derivatives designated as hedging instruments 662 746
Accrued Liabilities [Member] | Foreign Exchange Contracts [Member]
   
Derivatives, Fair Value [Line Items]    
Liability derivatives designated as hedging instruments 5,255 1,905
Other Noncurrent Liabilities [Member] | Foreign Exchange Contracts [Member]
   
Derivatives, Fair Value [Line Items]    
Liability derivatives designated as hedging instruments $ 17,235 $ 13,166