Stock-Based Compensation - Share-based Payment Arrangement, Activity (Details) - $ / shares	3 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Restricted stock/units
Number Granted
Equity instruments other than options (in shares)	1,614,493	1,170,634
Weighted Average Grant Date Fair Value
Equity instruments other than options (in dollars per share)	$ 66.73	$ 79.54
Performance shares
Number Granted
Equity instruments other than options (in shares)	339,191	438,476
Weighted Average Grant Date Fair Value
Equity instruments other than options (in dollars per share)	$ 79.54	$ 84.27
Stock options
Number Granted
Stock options (in shares)	570,140	548,398
Weighted Average Grant Date Fair Value
Stock options (in dollars per share)	$ 18.21	$ 18.59