SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Disaggregated Revenues (Details) - USD ($) $ in Thousands	12 Months Ended
	Jul. 30, 2022	Jul. 31, 2021
Revenue from External Customer [Line Items]
Sales	$ 2,061,084	$ 2,030,330
Percentage of total sales	100.00%	100.00%
Center Store
Revenue from External Customer [Line Items]
Sales	$ 1,229,336	$ 1,218,550
Percentage of total sales	59.70%	60.60%
Fresh
Revenue from External Customer [Line Items]
Sales	$ 757,383	$ 736,657
Percentage of total sales	36.70%	35.70%
Pharmacy
Revenue from External Customer [Line Items]
Sales	$ 67,780	$ 67,048
Percentage of total sales	3.30%	3.30%
Other Product
Revenue from External Customer [Line Items]
Sales	$ 6,585	$ 8,075
Percentage of total sales	0.30%	0.40%