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BUSINESS ACQUISITION (Details)
$ in Thousands
9 Months Ended
Jun. 24, 2019
USD ($)
store
Apr. 25, 2020
USD ($)
Apr. 27, 2019
USD ($)
Jul. 27, 2019
USD ($)
Business Acquisition [Line Items]        
Payment for acquisition, net of cash acquired   $ (64) $ 0  
Goodwill acquired in acquisition   $ 12,586   $ 12,650
Gourmet Garage Specialty Markets [Member]        
Business Acquisition [Line Items]        
Number of stores acquired | store 3      
Payment for acquisition, net of cash acquired $ 5,203      
Goodwill acquired in acquisition 529      
Trade name intangible asset $ 1,485