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RECENT RESTAURANT EXPANSION AND OTHER DEVELOPMENTS - Allocation of fair value assets acquired (Details) - USD ($)
$ in Thousands
Oct. 03, 2020
Sep. 28, 2019
May 15, 2019
Sep. 29, 2018
Business Acquisition [Line Items]        
Goodwill $ 15,570 $ 15,570   $ 9,880
JB's On The Beach        
Business Acquisition [Line Items]        
Cash     $ 11  
Inventory     80  
Furniture, fixtures and equipment     200  
Trademarks     1,110  
Goodwill     5,690  
Liabilities assumed     (55)  
Fair value of assets acquired     $ 7,036