LEASES - Schedule of Lease Cost (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 29, 2025	Mar. 30, 2024	Mar. 29, 2025	Mar. 30, 2024	Sep. 28, 2024
Lease, Lease Expenses [Abstract]
Operating lease expense - occupancy expenses	$ 3,293	$ 3,469	$ 6,675	$ 6,923
Occupancy lease expense - general and administrative expenses	121	122	242	244
Variable lease expense - occupancy expenses	703	747	1,955	2,124
Total lease expense	$ 4,117	$ 4,338	8,872	9,291
Lease, Supplemental Cash Flow [Abstract]
Operating cash flows related to operating leases			$ 8,876	$ 9,161
Lease, Weighted Average Remaining Lease Term And Discount Rate [Abstract]
Weighted average remaining lease term	11 years 3 months 18 days		11 years 3 months 18 days		11 years 6 months
Weighted average discount rate	6.30%		6.30%		6.30%