Share-Based Compensation (Narrative) (Details)	3 Months Ended
	Dec. 31, 2025 $ / shares shares
Performance Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of units/shares granted | shares	100,048
Performance Shares, Internal Based [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted average grant date fair value for time-based equity awards | $ / shares	$ 260.86
Performance Shares, Market Based [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted average grant date fair value for time-based equity awards | $ / shares	$ 275.21
Time-Based Deferred Stock Unit [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of units/shares granted | shares	121,005
Weighted average grant date fair value for time-based equity awards | $ / shares	$ 260.80
LTIP
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares available for future grant | shares	600,000