Derivative Instruments And Hedging Activities (Schedule Of Derivative Instrument Fair Value) (Details) (USD $) In Thousands	Sep. 25, 2011		Sep. 26, 2010
Derivatives Designated As Hedging Instruments [Member]
Derivatives, Fair Value [Line Items]
Notional Value	$ 392,260		$ 637,516
Asset Fair Value	10,343	[1]	1,427	[1]
Liability Fair Value	6,834	[2]	19,924	[2]
Derivatives Designated As Hedging Instruments [Member] | Interest Rate Swaps [Member] | Medium-Term Notes [Member]
Derivatives, Fair Value [Line Items]
Notional Value			150,000	[3]
Asset Fair Value			1,427	[1],[3]
Derivatives Designated As Hedging Instruments [Member] | Interest Rate Swaps-Unsecured Commercial Paper [Member]
Derivatives, Fair Value [Line Items]
Notional Value	109,500	[4]	144,800	[4]
Liability Fair Value	4,150	[2],[4]	8,988	[2],[4]
Derivatives Designated As Hedging Instruments [Member] | Foreign Currency Contracts [Member]
Derivatives, Fair Value [Line Items]
Notional Value	279,230	[4]	340,411	[4]
Asset Fair Value	10,343	[1],[4]
Liability Fair Value	2,439	[2],[4]	10,431	[2],[4]
Derivatives Designated As Hedging Instruments [Member] | Natural Gas Contracts [Member]
Derivatives, Fair Value [Line Items]
Notional Value	3,530	[4]	2,305	[4]
Liability Fair Value	245	[2],[4]	505	[2],[4]
Derivatives Not Designated As Hedging Instruments [Member]
Derivatives, Fair Value [Line Items]
Notional Value			539,102
Asset Fair Value			742	[1]
Derivatives Not Designated As Hedging Instruments [Member] | Derivatives Securitization Transaction [Member]
Derivatives, Fair Value [Line Items]
Notional Value			62,613
Derivatives Not Designated As Hedging Instruments [Member] | Derivatives Conduit Facility [Member]
Derivatives, Fair Value [Line Items]
Notional Value			476,489
Asset Fair Value			$ 742	[1]

[1] Included in other current assets

[2] Included in accrued liabilities

[3] Derivative designated as a fair value hedge

[4] Derivative designated as a cash flow hedge