CONSOLIDATION OF VARIABLE INTEREST ENTITIES - Schedule of Variable Interest Entities (Details) - USD ($) $ in Thousands	Oct. 03, 2020	Sep. 28, 2019
Variable Interest Entity [Line Items]
Cash and cash equivalents	$ 16,886	$ 7,177
Accounts receivable	1,738	2,621
Inventories	2,553	2,222
Prepaid and refundable income taxes	2,870	254
Prepaid expense and other current assets	2,469	1,021
Leasehold improvements	37,682	47,781
Operating lease, right-of-use assets	54,191
Other assets	2,432	2,642
TOTAL ASSETS	153,316	94,652
Accounts payable, trade	2,329	3,549
Accrued expenses and other current liabilities	12,688	10,672
Current portion of operating lease liabilities	6,117
Operating lease deferred credit		10,077
Operating lease liabilities, less current portion	49,960
Long-term debt	36,068	23,786
TOTAL LIABILITIES	116,163	51,945
NON-CONTROLLING INTERESTS	626	843
TOTAL LIABILITIES AND EQUITY	153,316	94,652
Variable Interest Entity, Primary Beneficiary
Variable Interest Entity [Line Items]
Cash and cash equivalents	567	170
Accounts receivable	162	219
Inventories	27	41
Prepaid and refundable income taxes	274	254
Prepaid expense and other current assets	13	12
Due from Ark Restaurants Corp. and affiliates	419	392
Leasehold improvements	241	236
Operating lease, right-of-use assets	2,658
Other assets	82	82
TOTAL ASSETS	4,443	1,406
Accounts payable, trade	119	65
Accrued expenses and other current liabilities	331	440
Current portion of operating lease liabilities	226	0
Operating lease deferred credit		30
Operating lease liabilities, less current portion	2,442
Long-term debt	723	0
TOTAL LIABILITIES	3,841	475
NON-CONTROLLING INTERESTS	602	931
TOTAL LIABILITIES AND EQUITY	$ 4,443	$ 1,406