Goodwill and Intangible Assets - Schedule of Goodwill and Intangible Assets (Details) - USD ($) $ in Thousands	Apr. 01, 2025	Sep. 24, 2024
Intangible assets subject to amortization:
Goodwill, Gross Carrying Amount	$ 5,713	$ 5,713
Goodwill, Accumulated Amortization
Goodwill, Net Carrying Amount	5,713	5,713
Noncompete Agreements [Member]
Intangible assets subject to amortization:
Goodwill, Gross Carrying Amount	90	50
Goodwill, Accumulated Amortization	(45)	(31)
Goodwill, Net Carrying Amount	45	19
Reacquired Franchise Rights [Member]
Intangible assets subject to amortization:
Goodwill, Gross Carrying Amount	27	15
Goodwill, Accumulated Amortization	(9)	(3)
Goodwill, Net Carrying Amount	18	12
Intangible Assets Subject to Amortization [Member]
Intangible assets subject to amortization:
Goodwill, Gross Carrying Amount	117	65
Goodwill, Accumulated Amortization	(54)	(34)
Goodwill, Net Carrying Amount	63	31
Trademarks [Member]
Intangible assets subject to amortization:
Goodwill, Gross Carrying Amount	3,900	3,900
Goodwill, Accumulated Amortization
Goodwill, Net Carrying Amount	3,900	3,900
Intangible Assets, Net [Member]
Intangible assets subject to amortization:
Goodwill, Gross Carrying Amount	4,017	3,965
Goodwill, Accumulated Amortization	(54)	(34)
Goodwill, Net Carrying Amount	$ 3,963	$ 3,931