Goodwill and Intangible Assets (Intangible Assets Subject to Amortization) (Details) - USD ($) $ in Thousands	Sep. 25, 2018	Sep. 26, 2017
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 131	$ 131
Accumulated Amortization	(96)	(70)
Net Carrying Amount	35	61
Franchise Rights [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	116	116
Accumulated Amortization	(81)	(58)
Net Carrying Amount	35	58
Noncompete Agreements [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	15	15
Accumulated Amortization	(15)	(12)
Net Carrying Amount		$ 3