Fair Value Measurements (Asset Fair Market Value Adjustments Charged To Earnings) (Details) (Quarter To Date [Member], Property, Plant And Equipment [Member], USD $) In Millions, unless otherwise specified	3 Months Ended
	Dec. 30, 2012		Jan. 01, 2012
Quarter To Date [Member] | Property, Plant And Equipment [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Carrying Value before adjustment	$ 1.2	[1]	$ 0.5	[1]
Fair value adjustment	(0.6)	[1]	(0.3)	[1]
Carrying value after adjustment	$ 0.6	[1]	$ 0.2	[1]

[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.