RESTRUCTURING, ACQUISITION, AND INTEGRATION RELATED EXPENSES (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	May 01, 2021	May 02, 2020	May 01, 2021	May 02, 2020
Restructuring Cost and Reserve [Line Items]
Restructuring, acquisition and integration related expenses	$ 9,867	$ 14,557	$ 44,078	$ 65,751
Restructuring and integration costs	12,047	552	41,489	25,257
Closed property (recoveries) charges and costs
Restructuring Cost and Reserve [Line Items]
Restructuring, acquisition and integration related expenses	(2,180)	12,513	2,589	36,501
Supervalu
Restructuring Cost and Reserve [Line Items]
Restructuring, acquisition and integration related expenses	$ 0	$ 1,492	$ 0	$ 3,993