v3.25.4
Share-Based Compensation (Summary Of Type And Fair Value Of Share-Based Compensation Awards) (Details) - $ / shares
3 Months Ended
Nov. 30, 2025
Nov. 30, 2024
Employee Stock Option    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Number of units granted 51,883 43,011
Weighted average grant-date fair value per award $ 35.07 $ 42.19
Restricted Stock Units [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Number of units granted 32,557 31,525
Weighted average grant-date fair value per award $ 110.21 $ 117.11
Performance Stock Units [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Number of units granted 30,045 28,280
Weighted average grant-date fair value per award $ 109.85 $ 133.3