INCOME TAXES - Schedule of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Oct. 03, 2020	Sep. 28, 2019
Deferred tax assets:
State net operating loss carryforwards	$ 5,427	$ 4,406
Lease liabilities	10,729	422
Deferred compensation	358	313
Tax credits	1,862	1,253
Partnership investments	346	347
Other	550	0
Deferred tax assets, before valuation allowance	19,272	6,741
Valuation allowance	(413)	(392)
Deferred tax assets, net of valuation allowance	18,859	6,349
Deferred tax liabilities:
Depreciation and amortization	(12,440)	(2,049)
Prepaid expenses	(522)	(194)
Deferred tax liabilities	(12,962)	(2,243)
Net deferred tax assets	$ 5,897	$ 4,106