Derivative Financial Instruments And Fair Value Measurements (Derivatives Recorded At Fair Value In Condensed Consolidated Balance Sheets) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2012		Dec. 31, 2011
Derivatives, Fair Value [Line Items]
Derivative Assets	$ 7,684		$ 2,510
Derivative Liabilities	105,281		106,173
Derivatives Designated As Hedging Instruments [Member] | Commodities Contracts [Member] | Current [Member]
Derivatives, Fair Value [Line Items]
Derivative Assets	767	[1]	93	[1]
Derivative Liabilities	2,962	[1]	2,346	[1]
Derivatives Designated As Hedging Instruments [Member] | Foreign Currency Contracts [Member] | Current [Member]
Derivatives, Fair Value [Line Items]
Derivative Assets	196	[1]	411	[1]
Derivative Liabilities	0	[1]	0	[1]
Derivatives Designated As Hedging Instruments [Member] | Interest Rate Swap Contracts [Member] | Current [Member]
Derivatives, Fair Value [Line Items]
Derivative Assets	0	[1]	0	[1]
Derivative Liabilities	34,570	[1]	38,260	[1]
Derivatives Designated As Hedging Instruments [Member] | Interest Rate Swap Contracts [Member] | Noncurrent [Member]
Derivatives, Fair Value [Line Items]
Derivative Assets	0	[2]	0	[2]
Derivative Liabilities	58,814	[2]	64,037	[2]
Derivatives Not Designated As Hedging Instruments [Member] | Commodities Contracts [Member] | Current [Member]
Derivatives, Fair Value [Line Items]
Derivative Assets	6,721	[1]	2,006	[1]
Derivative Liabilities	5,996	[1]	1,530	[1]
Derivatives Not Designated As Hedging Instruments [Member] | Foreign Currency Contracts [Member] | Current [Member]
Derivatives, Fair Value [Line Items]
Derivative Assets	0	[1]	0	[1]
Derivative Liabilities	$ 2,939	[1]	$ 0	[1]

[1] Derivative assets and liabilities that have settlement dates equal to or less than 12 months from the respective balance sheet date were included in other current assets and accounts payable and accrued expenses, respectively, in our unaudited Condensed Consolidated Balance Sheets.

[2] Derivative assets and liabilities that have settlement dates greater than 12 months from the respective balance sheet date were included in identifiable intangible and other assets, net and other long-term liabilities, respectively, in our unaudited Condensed Consolidated Balance Sheets.