Impairment, Disposition Of Property And Equipment, And Restaurant Closing Costs (Narrative) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Sep. 28, 2014 litigation	Sep. 29, 2013	Sep. 30, 2012
Impairment, Disposition of Property and Equipment, and Restaurant Closing Costs [Line Items]
Gain (Loss) on Disposition of Property Plant Equipment	$ (2,889)	$ (3,344)	$ (6,281)
Number of Closed Restaurants Related to Eminent Domain Proceeds in Current Period	4
Gains from imminent domain [Member]
Impairment, Disposition of Property and Equipment, and Restaurant Closing Costs [Line Items]
Gain (Loss) on Disposition of Property Plant Equipment	$ 2,800