Stock-Based Compensation - Share-based Payment Arrangement, Activity (Details) - $ / shares |
9 Months Ended | |
|---|---|---|
Jun. 30, 2024 |
Jun. 30, 2023 |
|
| Restricted stock/units | ||
| Number Granted | ||
| Equity instruments other than options (in shares) | 1,874,606 | 1,799,240 |
| Weighted Average Grant Date Fair Value | ||
| Equity instruments other than options (in dollars per share) | $ 53.86 | $ 66.28 |
| 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 |