Fair Value Measurements (Asset Fair Market Value Adjustments Charged To Earnings) (Details) (USD $) In Millions	3 Months Ended				9 Months Ended
	Jul. 03, 2011		Jun. 27, 2010		Jul. 03, 2011		Jun. 27, 2010
Property, Plant and Equipment [Member]
Carrying value before adjustment	$ 1.7	[1]	$ 9.2	[1]	$ 2.8	[1]	$ 25.6	[1]
Fair value adjustment	(1.2)	[1]	(7.8)	[1]	(2.1)	[1]	(21.1)	[1]
Carrying value after adjustment	0.5	[1]	1.4	[1]	0.7	[1]	4.5	[1]
Other Assets [Member]
Carrying value before adjustment	1.6	[2]			22.1	[2]
Fair value adjustment	(1.6)	[2]			(22.1)	[2]
Carrying value after adjustment	0	[2]			0	[2]
Equity and Cost Investments [Member]
Carrying value before adjustment			0.8	[2]			10.4	[2]
Fair value adjustment			(0.2)	[2]			(7.7)	[2]
Carrying value after adjustment			0.6	[2]			2.7	[2]
Goodwill [Member]
Carrying value before adjustment			4.1	[3]			4.1	[3]
Fair value adjustment			(1.6)	[3]			(1.6)	[3]
Carrying value after adjustment			$ 2.5	[3]			$ 2.5	[3]

[1] These assets primarily consist of leasehold improvements in underperforming stores. The fair value was determined using a discounted cash flow model based on expected future store revenues and operating costs, using internal projections. The resulting impairment charge was included in store operating expenses.

[2] The fair value was determined using valuation techniques, including discounted cash flows, comparable transactions, and/or comparable company analyses. The resulting impairment charge was included in other operating expenses.

[3] The fair value was determined using a discounted cash flow model based on future cash flows for the reporting unit, using internal projections. The resulting impairment charge was included in store operating expenses