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Stock Compensation Plan (Schedule Of Share Based Compensation Valuation Model) (Details)
12 Months Ended
Jul. 31, 2024
Jul. 31, 2023
Jul. 31, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Expected volatility 30.00% 30.00% 31.00%
Expected dividends 3.40% 3.20% 2.10%
Risk-free rate, minimum 2.70% 4.00% 0.10%
Risk-free rate, maximum 5.40% 3.00% 1.20%
Minimum [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Expected term (average in years) 6 years 4 months 24 days 6 years 6 months 6 years 4 months 24 days
Maximum [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Expected term (average in years) 6 years 8 months 12 days 6 years 9 months 18 days 6 years 9 months 18 days