INCOME TAXES - Schedule of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Oct. 02, 2021	Oct. 03, 2020
Deferred tax assets:
State net operating loss carryforwards	$ 5,595	$ 5,427
Lease liabilities	12,116	10,729
Deferred compensation	310	358
Tax credits	2,777	1,862
Partnership investments	0	346
Other	492	550
Deferred tax assets, before valuation allowance	21,290	19,272
Valuation allowance	(1,258)	(413)
Deferred tax assets, net of valuation allowance	20,032	18,859
Deferred tax liabilities:
Depreciation and amortization	(15,308)	(12,440)
Partnership investments	(566)	0
Prepaid expenses	(458)	(522)
Deferred tax liabilities	(16,332)	(12,962)
Net deferred tax assets	$ 3,700	$ 5,897