Stockholders' Equity (Schedule of Assumptions to Value PSUs Granted) (Details) - Performance Restricted Stock Units [Member] - $ / shares	6 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Expected volatility	30.90%	30.20%
Risk free interest rate	4.10%	4.50%
Expected life	3 years	3 years
Grant date fair value	$ 196.63	$ 146.47