LEASES - Lease Expenses (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2023	Oct. 01, 2022
Lease, Lease Expenses [Abstract]
Operating lease expense - occupancy expense	$ 13,672	$ 10,442
Occupancy lease expense - general and administrative expenses	334	461
Variable lease expense	4,184	6,498
Total lease expense	18,190	17,401
Lease, Supplemental Cash Flow [Abstract]
Operating cash flows related to operating leases	18,669	14,633
ROU assets obtained in exchange for new operating lease liabilities	$ 3,860	$ 53,530
Lease, Weighted Average Remaining Lease Term And Discount Rate [Abstract]
Weighted Average Remaining Lease Term	11 years 10 months 24 days
Weighted Average Discount Rate	6.25%