BASIS OF PRESENTATION and ACCOUNTING POLICIES - Disaggregated Revenues (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Apr. 29, 2023	Apr. 30, 2022	Apr. 29, 2023	Apr. 30, 2022
Revenue from External Customer [Line Items]
Sales	$ 529,294	$ 501,962	$ 1,612,848	$ 1,533,581
Percentage of total sales	100.00%	100.00%	100.00%	100.00%
Center Store
Revenue from External Customer [Line Items]
Sales	$ 317,532	$ 297,892	$ 973,173	$ 918,228
Percentage of total sales	60.00%	59.40%	60.40%	59.90%
Fresh
Revenue from External Customer [Line Items]
Sales	$ 192,436	$ 185,757	$ 581,947	$ 559,909
Percentage of total sales	36.40%	37.00%	36.10%	36.50%
Pharmacy
Revenue from External Customer [Line Items]
Sales	$ 17,581	$ 16,761	$ 52,371	$ 50,365
Percentage of total sales	3.30%	3.30%	3.20%	3.30%
Other
Revenue from External Customer [Line Items]
Sales	$ 1,745	$ 1,552	$ 5,357	$ 5,079
Percentage of total sales	0.30%	0.30%	0.30%	0.30%