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COMMITMENTS, CONTINGENCIES AND OTHER MATTERS (Franchise Program) (Details) - USD ($)
12 Months Ended
Oct. 02, 2021
Oct. 03, 2020
Franchise Program:    
Fiscal agent, annual fee amount $ 25,000  
Royalties, gross restaurant sales 3.00%  
Royalties, gross package liquor sales 1.00%  
Royalty revenue $ 786,000 $ 666,000
Patrick J. Flanigan [Member]    
Franchise Program:    
Limited partnership, percentage 25.00%  
Officers and directors [Member]    
Franchise Program:    
Limited partnership, percentage 31.90%  
James G. Flanigan [Member]    
Franchise Program:    
Ownership percentage in franchisee 35.24%  
Michael B. Flanigan [Member]    
Franchise Program:    
Ownership percentage in franchisee 35.24%  
Patrick J. Flanigan [Member]    
Franchise Program:    
Ownership percentage in franchisee 100.00%  
Officers and directors [Member]    
Franchise Program:    
Ownership percentage in franchisee 30.00%  
James G. Flanigan family [Member]    
Franchise Program:    
Ownership percentage 60.00%