LEASES - Lease Expenses (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 28, 2024	Sep. 30, 2023
Lease, Lease Expenses [Abstract]
Operating lease expense - occupancy expense	$ 13,893	$ 13,672
Occupancy lease expense - general and administrative expenses	485	334
Variable lease expense	4,539	4,184
Total lease expense	18,917	18,190
Lease, Supplemental Cash Flow [Abstract]
Operating cash flows related to operating leases	18,318	18,669
ROU assets obtained in exchange for new operating lease liabilities	$ 0	$ 3,860
Lease, Weighted Average Remaining Lease Term And Discount Rate [Abstract]
Weighted Average Remaining Lease Term	11 years 6 months
Weighted Average Discount Rate	6.30%