Fair Value Measurements (Asset Fair Market Value Adjustments Charged To Earnings) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended						9 Months Ended
	Jul. 01, 2012 Quarter To Date [Member] Property, Plant And Equipment [Member]		Jul. 03, 2011 Quarter To Date [Member] Property, Plant And Equipment [Member]		Jul. 03, 2011 Quarter To Date [Member] Other Assets [Member]		Jul. 01, 2012 Year To Date [Member] Property, Plant And Equipment [Member]		Jul. 03, 2011 Year To Date [Member] Property, Plant And Equipment [Member]		Jul. 03, 2011 Year To Date [Member] Other Assets [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Carrying Value before adjustment	$ 1.1	[1]	$ 1.7	[1]	$ 1.6	[2]	$ 4.4	[1]	$ 2.8	[1]	$ 22.1	[2]
Fair value adjustment	(0.7)	[1]	(1.2)	[1]	(1.6)	[2]	(2.7)	[1]	(2.1)	[1]	(22.1)	[2]
Carrying value after adjustment	$ 0.4	[1]	$ 0.5	[1]	$ 0	[2]	$ 1.7	[1]	$ 0.7	[1]	$ 0	[2]

[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 a discounted cash flow model based on future expected revenues and operating costs, using internal projections. The resulting impairment charge was included in other operating expenses.