Stock-Based Compensation - Share-based Payment Arrangement, Activity (Details) - $ / shares |
3 Months Ended | |
|---|---|---|
Dec. 31, 2023 |
Dec. 31, 2022 |
|
| Restricted stock/units | ||
| Number Granted | ||
| Equity instruments other than options (in shares) | 1,741,102 | 1,614,493 |
| Weighted Average Grant Date Fair Value | ||
| Equity instruments other than options (in dollars per share) | $ 53.52 | $ 66.73 |
| Performance shares | ||
| Number Granted | ||
| Equity instruments other than options (in shares) | 370,307 | 339,191 |
| Weighted Average Grant Date Fair Value | ||
| Equity instruments other than options (in dollars per share) | $ 54.13 | $ 79.54 |
| Stock options | ||
| Number Granted | ||
| Equity instruments other than options (in shares) | 652,702 | 570,140 |
| Weighted Average Grant Date Fair Value | ||
| Equity instruments other than options (in dollars per share) | $ 13.74 | $ 18.21 |