Derivative Instruments And Hedging Activities (Derivatives Designated As Hedging Instruments) (Details) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Derivatives, Fair Value [Line Items]
Asset derivatives designated as hedging instruments	$ 0	$ 369
Liability derivatives designated as hedging instruments	65,550	50,989
Other Assets, Net [Member] | Interest Rate Swaps [Member]
Derivatives, Fair Value [Line Items]
Asset derivatives designated as hedging instruments	0	369
Accrued Liabilities [Member] | Interest Rate Swaps [Member]
Derivatives, Fair Value [Line Items]
Liability derivatives designated as hedging instruments	2,347	561
Accrued Liabilities [Member] | Foreign Exchange Contracts [Member]
Derivatives, Fair Value [Line Items]
Liability derivatives designated as hedging instruments	20,443	12,661
Other Noncurrent Liabilities [Member] | Interest Rate Swaps [Member]
Derivatives, Fair Value [Line Items]
Liability derivatives designated as hedging instruments	824	0
Other Noncurrent Liabilities [Member] | Foreign Exchange Contracts [Member]
Derivatives, Fair Value [Line Items]
Liability derivatives designated as hedging instruments	$ 41,936	$ 37,767