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GOODWILL AND INTANGIBLE ASSETS Narrative (Details) - USD ($)
$ in Thousands
3 Months Ended
Nov. 02, 2019
Oct. 27, 2018
Aug. 03, 2019
Oct. 22, 2018
Goodwill [Line Items]        
Amortization of Intangible Assets $ 22,100 $ 3,700    
Goodwill 19,791   $ 442,256  
Goodwill and asset impairment charges 425,405 0    
Goodwill and asset impairment charges 425,405      
Closed property and other restructuring charges 4,969 $ 412    
Goodwill and asset impairment charges $ 424,005      
Projected future cash flows weighted average cost of capital 8.50%      
Wholesale        
Goodwill [Line Items]        
Goodwill       $ 80,900
Goodwill and asset impairment charges $ 421,500      
SUPERVALU        
Goodwill [Line Items]        
Goodwill and asset impairment charges $ 2,500