RESTRUCTURING, ACQUISITION, AND INTEGRATION RELATED EXPENSES RESTRUCTURING, ACQUISITION, AND INTEGRATION RELATED EXPENSES (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Feb. 01, 2020	Jan. 26, 2019	Feb. 01, 2020	Jan. 26, 2019
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	$ 29,686	$ 47,125	$ 43,936	$ 115,129
Restructuring, Settlement and Impairment Provisions
Restructuring Cost and Reserve [Line Items]
Acquisition and integration costs	15,411	9,481	24,705	41,416
Supervalu
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	664	18,097	2,501	54,166
Closed property charges and costs
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	$ 13,611	$ 19,547	$ 16,730	$ 19,547