Goodwill and Intangible Assets (Intangible Assets Subject to Amortization) (Details) - USD ($) $ in Thousands	Mar. 26, 2019	Sep. 25, 2018
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 181	$ 131
Accumulated Amortization	(111)	(96)
Net Carrying Amount	70	35
Franchise rights [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	116	116
Accumulated Amortization	(92)	(81)
Net Carrying Amount	24	35
Non-compete agreements [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	65	15
Accumulated Amortization	(19)	(15)
Net Carrying Amount	$ 46