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LEASES - Narrative (Details)
3 Months Ended 9 Months Ended
Oct. 26, 2018
USD ($)
Oct. 23, 2018
USD ($)
property
Apr. 27, 2019
USD ($)
Apr. 27, 2019
USD ($)
Sale Leaseback Transaction [Line Items]        
Gross proceeds from sale and leaseback transactions $ 48,500,000 $ 101,000,000    
Sale Leaseback Transaction, Number of Property | property   8    
Sale Leaseback Transaction, Deferred Gain, Gross     $ 0 $ 0
Restructuring Charges     19,438,000 134,567,000
Facility Closing [Member]        
Sale Leaseback Transaction [Line Items]        
Restructuring Charges     1,097,000 $ 20,644,000
Facility Closing [Member] | Shop 'n Save [Member]        
Sale Leaseback Transaction [Line Items]        
Restructuring Charges     $ 17,000,000