Stock-based Compensation (Valuation Assumptions) (Details) - TSR Performance Restricted Stock/Units [Member]	12 Months Ended
	Jul. 30, 2023	Jul. 31, 2022	Aug. 01, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Risk-free interest rate	4.29%	0.46%	0.15%
Expected dividend yield	3.09%	3.50%	2.85%
Expected volatility	26.40%	27.42%	29.99%
Expected term, years	3 years	3 years	3 years