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BUSINESS ACQUISITION (Details)
$ in Thousands
12 Months Ended
Jun. 24, 2019
USD ($)
store
Jul. 27, 2019
USD ($)
store
Jul. 28, 2018
USD ($)
Business Acquisition [Line Items]      
Number of stores | store   30  
Payment for acquisition, net of cash acquired   $ 5,267 $ 0
Goodwill acquired in acquisition   $ 12,650 $ 12,057
Gourmet Garage Specialty Markets      
Business Acquisition [Line Items]      
Number of stores | store 3    
Payment for acquisition, net of cash acquired $ 5,267    
Goodwill acquired in acquisition 593    
Intangibles assets acquired in acquisition $ 1,485