COMMITMENTS, CONTINGENCIES AND OTHER MATTERS (Details) - USD ($) $ in Thousands		12 Months Ended
	Oct. 02, 2018	Sep. 30, 2023	Oct. 01, 2022	Oct. 01, 2024	Apr. 01, 2022	Jan. 01, 2022	Jul. 01, 2019
COMMITMENTS, CONTINGENCIES AND OTHER MATTERS (Details) [Line Items]
Total contract price		$ 1,534,000
Purchase commitment, rib supplier		$ 7,000
Ownership percentage of unrelated third party		49.00%
Fiscal agent, annual fee amount		$ 25,000
Royalties, gross restaurant sales		3.00%
Royalties, gross package liquor sales		1.00%
Royalty revenue		$ 1,163,000	$ 1,132,000
Patrick J. Flanigan [Member]
COMMITMENTS, CONTINGENCIES AND OTHER MATTERS (Details) [Line Items]
Limited partnership, percentage		25.00%
Officers and directors [Member]
COMMITMENTS, CONTINGENCIES AND OTHER MATTERS (Details) [Line Items]
Limited partnership, percentage		31.90%
Deerfield Beach Florida [Member]
COMMITMENTS, CONTINGENCIES AND OTHER MATTERS (Details) [Line Items]
Management fee revenue		$ 400,000	400,000
Service Agreements [Member] | Deerfield Beach Florida [Member]
COMMITMENTS, CONTINGENCIES AND OTHER MATTERS (Details) [Line Items]
Payments to acquire management rights		$ 500,000
Amortization period of management agreement		10 years
James G. Flanigan family [Member]
COMMITMENTS, CONTINGENCIES AND OTHER MATTERS (Details) [Line Items]
Ownership percentage		60.00%
Management [Member]
COMMITMENTS, CONTINGENCIES AND OTHER MATTERS (Details) [Line Items]
Bonus payment expressed as percentage of corporate pre-tax net income, plus or minus non-recurring items but before depreciation and amortization in excess of $650,000		5.25%
Forecast [Member]
COMMITMENTS, CONTINGENCIES AND OTHER MATTERS (Details) [Line Items]
Purchase commitment, rib supplier				$ 7,000
N. University Drive, Hollywood, Florida (Store #19 – “Flanigan’s”) [Member]
COMMITMENTS, CONTINGENCIES AND OTHER MATTERS (Details) [Line Items]
Total contract price						$ 2,515,000	$ 77,000
Damages amount paid	$ 62,000
Additional amount		$ 1,090,000
N. University Drive, Hollywood, Florida (Store #19 – “Flanigan’s”) [Member] | Maximum [Member]
COMMITMENTS, CONTINGENCIES AND OTHER MATTERS (Details) [Line Items]
Total contract price		1,021,000
N. University Drive, Hollywood, Florida (Store #19 – “Flanigan’s”) [Member] | Minimum [Member]
COMMITMENTS, CONTINGENCIES AND OTHER MATTERS (Details) [Line Items]
Total contract price		3,536,000
W. Sunrise Boulevard, Sunrise, Florida (Store #85 – “Flanigan’s”) [Member]
COMMITMENTS, CONTINGENCIES AND OTHER MATTERS (Details) [Line Items]
Total contract price					$ 343,000
W. Sunrise Boulevard, Sunrise, Florida (Store #85 – “Flanigan’s”) [Member] | Maximum [Member]
COMMITMENTS, CONTINGENCIES AND OTHER MATTERS (Details) [Line Items]
Total contract price		670,000
W. Sunrise Boulevard, Sunrise, Florida (Store #85 – “Flanigan’s”) [Member] | Minimum [Member]
COMMITMENTS, CONTINGENCIES AND OTHER MATTERS (Details) [Line Items]
Total contract price		$ 327,000
South Florida from unrelated third parties [Member]
COMMITMENTS, CONTINGENCIES AND OTHER MATTERS (Details) [Line Items]
Lease term		15 years
South Florida from unrelated third parties [Member] | Maximum [Member]
COMMITMENTS, CONTINGENCIES AND OTHER MATTERS (Details) [Line Items]
Lease term		30 years
South Florida from unrelated third parties [Member] | Minimum [Member]
COMMITMENTS, CONTINGENCIES AND OTHER MATTERS (Details) [Line Items]
Lease term		49 years
Performance Bonus based on $650,000 Threshold [Member]
COMMITMENTS, CONTINGENCIES AND OTHER MATTERS (Details) [Line Items]
Performance bonuses		$ 1,604,000	2,167,000
Performance Bonus based on $1,875,000 Threshold [Member]
COMMITMENTS, CONTINGENCIES AND OTHER MATTERS (Details) [Line Items]
Performance bonuses		$ 1,090,000	$ 1,340,000
Officers and directors [Member] | Patrick J. Flanigan [Member]
COMMITMENTS, CONTINGENCIES AND OTHER MATTERS (Details) [Line Items]
Limited partnership, percentage		25.00%
Chief Executive Officer [Member]
COMMITMENTS, CONTINGENCIES AND OTHER MATTERS (Details) [Line Items]
Bonus payment expressed as percentage of corporate pre-tax net income, plus or minus non-recurring items but before depreciation and amortization in excess of $650,000		14.75%
Amount of income at which bonuses begin to accrue		$ 650,000
Limited Partner [Member]
COMMITMENTS, CONTINGENCIES AND OTHER MATTERS (Details) [Line Items]
Amount of income at which bonuses begin to accrue		$ 1,875,000
Bonus payment expressed as percentage of corporate pre-tax net income before depreciation and amortization in excess of $1,875,000 and the company's share of the pre-tax net income before depreciation and amortization from the restaurants owned by the limited partnerships		5.00%
Chief Financial Officer [Member]
COMMITMENTS, CONTINGENCIES AND OTHER MATTERS (Details) [Line Items]
Bonus payment expressed as percentage of corporate pre-tax net income before depreciation and amortization in excess of $1,875,000 and the company's share of the pre-tax net income before depreciation and amortization from the restaurants owned by the limited partnerships		5.00%
James G. Flanigan [Member]
COMMITMENTS, CONTINGENCIES AND OTHER MATTERS (Details) [Line Items]
Ownership percentage in franchisee		35.24%
Patrick J. Flanigan [Member]
COMMITMENTS, CONTINGENCIES AND OTHER MATTERS (Details) [Line Items]
Ownership percentage in franchisee		100.00%
Officers and directors [Member]
COMMITMENTS, CONTINGENCIES AND OTHER MATTERS (Details) [Line Items]
Ownership percentage in franchisee		30.00%