BASIS OF PRESENTATION and ACCOUNTING POLICIES - Disaggregated Revenues (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Apr. 25, 2026	Apr. 26, 2025	Apr. 25, 2026	Apr. 26, 2025
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Product and Service, Revenue [Line Items]
Sales	$ 572,587	$ 563,669	$ 1,796,139	$ 1,721,016
Percentage of total sales	100.00%	100.00%	100.00%	100.00%
Center Store
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Product and Service, Revenue [Line Items]
Sales	$ 334,838	$ 335,913	$ 1,062,040	$ 1,034,187
Percentage of total sales	58.50%	59.70%	59.10%	60.20%
Fresh
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Product and Service, Revenue [Line Items]
Sales	$ 209,679	$ 202,573	$ 647,813	$ 610,087
Percentage of total sales	36.60%	35.90%	36.10%	35.40%
Pharmacy
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Product and Service, Revenue [Line Items]
Sales	$ 24,591	$ 22,710	$ 77,140	$ 69,320
Percentage of total sales	4.30%	4.00%	4.30%	4.00%
Other
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Product and Service, Revenue [Line Items]
Sales	$ 3,479	$ 2,473	$ 9,146	$ 7,422
Percentage of total sales	0.60%	0.40%	0.50%	0.40%