Goodwill and Intangible Assets (Intangible Assets Subject to Amortization) (Details) - USD ($) $ in Thousands	Sep. 26, 2017	Sep. 27, 2016
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 131	$ 131
Accumulated Amortization	(71)	(42)
Net Carrying Amount	60	89
Franchise Rights [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	116	116
Accumulated Amortization	(58)	(34)
Net Carrying Amount	58	82
Noncompete Agreements [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	15	15
Accumulated Amortization	(13)	(8)
Net Carrying Amount	$ 2	$ 7