Impairment, Disposition Of Property And Equipment, And Restaurant Closing Costs (Impairment And Disposal Costs Included In Impairment And Other Charges) (Details) - USD ($) $ in Thousands	12 Months Ended
	Oct. 02, 2016	Sep. 27, 2015	Sep. 28, 2014
Impairment, Disposition of Property and Equipment, and Restaurant Closing Costs [Line Items]
Restructuring Costs	$ 10,067	$ 29	$ 8,621
Costs of closed restaurants (primary lease obligations) and other	3,431	3,592	2,841
Losses on disposition of property and equipment, net	2,654	1,847	1,680
Accelerated depreciation	2,214	6,260	1,202
Restaurant impairment charges	544	557	570
Impairment and other charges, net	19,057	11,757	14,908
Continuing Operations [Member]
Impairment, Disposition of Property and Equipment, and Restaurant Closing Costs [Line Items]
Losses on disposition of property and equipment, net	$ 2,801	$ 1,319	$ 1,674