GOODWILL AND INTANGIBLE ASSETS, NET - Schedule of Intangible Assets (Details) - USD ($) $ in Thousands	Jan. 21, 2024	Oct. 01, 2023
Definite-lived intangible assets:
Gross Amount	$ 12,835	$ 12,668
Accumulated Amortization	(1,584)	(1,338)
Net Amount	11,251	11,330
Indefinite-lived intangible assets:
Gross Amount	283,500	283,500
Sublease assets
Definite-lived intangible assets:
Gross Amount	2,671	2,671
Accumulated Amortization	(455)	(381)
Net Amount	2,216	2,290
Franchise contracts
Definite-lived intangible assets:
Gross Amount	9,700	9,700
Accumulated Amortization	(1,016)	(850)
Net Amount	8,684	8,850
Reacquired franchise rights
Definite-lived intangible assets:
Gross Amount	464	297
Accumulated Amortization	(113)	(107)
Net Amount	$ 351	$ 190