Financial Instruments And Risk Management (Derivatives Designated As Hedging Instruments Fair Values Of Derivative Instruments) (Details) (Designated As Hedging Instrument [Member], USD $) In Thousands	Sep. 30, 2011	Dec. 31, 2010
Asset Derivatives Designated as Hedging Instrument, Fair Value	$ 39,780	$ 8,884
Liability Derivatives Designated as Hedging Instrument, Fair Value	948,596	934,921
Prepaid Expenses And Other Current Assets [Member] | Foreign Currency Forward Contracts [Member]
Asset Derivatives Designated as Hedging Instrument, Fair Value		8,884
Prepaid Expenses And Other Current Assets [Member] | Interest Rate Swaps [Member]
Asset Derivatives Designated as Hedging Instrument, Fair Value	39,780
Other Current Liabilities [Member] | Foreign Currency Forward Contracts [Member]
Liability Derivatives Designated as Hedging Instrument, Fair Value	16,975
Other Current Liabilities [Member] | Interest Rate Swaps [Member]
Liability Derivatives Designated as Hedging Instrument, Fair Value	17,340	25,666
Long-Term Debt [Member] | Foreign Currency Borrowings [Member]
Liability Derivatives Designated as Hedging Instrument, Fair Value	$ 914,281	$ 909,255