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ACQUISITIONS - Narrative (Details) - Kinds and Balducci's
$ in Millions
12 Months Ended
Jan. 23, 2021
USD ($)
store
Feb. 27, 2021
USD ($)
Business Acquisition [Line Items]    
Number of stores acquired | store 27  
Total purchase consideration $ 98.1  
Net assets purchased 102.0  
Fixed assets 41.0  
Intangibles 31.6  
Inventory $ 18.1  
Bargain purchase gain   $ 3.9