LEASES - Components of Lease Expense (Details) - USD ($) $ in Thousands	3 Months Ended
	Jan. 01, 2022	Jan. 02, 2021
Leases [Abstract]
Operating lease expense - occupancy expenses	$ 2,273	$ 2,217
Occupancy lease expense - general and administrative expenses	93	41
Variable lease expense	1,897	439
Total lease expense	$ 4,263	$ 2,697