Impairment, Disposition Of Property And Equipment, And Restaurant Closing Costs (Impairment And Disposal Costs Included In Impairment And Other Charges) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Sep. 28, 2014	Sep. 29, 2013	Sep. 30, 2012
Impairment, Disposition of Property and Equipment, and Restaurant Closing Costs [Line Items]
Impairment charges	$ 570	$ 3,874	$ 3,112
Gain (Loss) on Disposition of Property Plant Equipment	(2,889)	(3,344)	(6,281)
Costs of closed restaurants (primary lease obligations) and other	2,841	2,469	8,332
Restructuring costs	8,621	3,451	15,461
Impairment and other charges, net	14,908	13,439	32,809
Continuing Operations [Member]
Impairment, Disposition of Property and Equipment, and Restaurant Closing Costs [Line Items]
Gain (Loss) on Disposition of Property Plant Equipment	$ (2,876)	$ (3,645)	$ (5,904)