Impairment, Disposition Of Property And Equipment, And Restaurant Closing Costs (Impairment And Disposal Costs Included In Impairment And Other Charges) (Details) (USD $) In Thousands	3 Months Ended		9 Months Ended
	Jul. 10, 2011	Jul. 04, 2010	Jul. 10, 2011	Jul. 04, 2010
Impairment, Disposition Of Property And Equipment, And Restaurant Closing Costs
Impairment charges	$ 517	$ 2,580	$ 1,684	$ 4,083
Losses on the disposition of property and equipment, net	$ 660	$ 3,498	$ 6,084	$ 5,858