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v3.24.3

Share-based Payments (Tables) | 12 Months Ended
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Sep. 30, 2024
Share-based Payments |
Schedule of restricted stock unit and PEP unit activity | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | ​ |  | Weighted |  | ​ |  | Weighted
​ | ​ | ​ | ​ | Average | ​ | ​ | ​ | Average
​ | ​ | Restricted | ​ | Grant-Date | ​ | ​ | ​ | Grant-Date
​ | ​ | Stock Units | ​ | Fair Value | ​ | PEP Units | ​ | Fair Value
​ |  | (in millions) |  | ​ | ​ |  | (in millions) |  | ​ | ​
Outstanding at September 30, 2021 | ​ | 1.3 | ​ | $ | 38.88 | ​ | 1.2 | ​ | $ | 37.22
Granted |  | 0.3 | ​ | $ | 74.30 | ​ | 0.2 | ​ | $ | 85.46
PEP units earned (unearned) |  | — | ​ | $ | — | ​ | 0.6 | ​ | $ | 27.90
Vested |  | (0.5) | ​ | $ | 29.44 | ​ | (1.3) | ​ | $ | 27.90
Cancelled |  | (0.1) | ​ | $ | 49.74 | ​ | — | ​ | $ | 56.64
Outstanding at September 30, 2022 |  | 1.0 | ​ | $ | 53.05 | ​ | 0.7 | ​ | $ | 60.60
Granted |  | 0.3 | ​ | $ | 83.64 | ​ | 0.2 | ​ | $ | 94.64
PEP units earned (unearned) |  | — | ​ | $ | — | ​ | 0.2 | ​ | $ | 43.19
Vested |  | (0.4) | ​ | $ | 44.35 | ​ | (0.4) | ​ | $ | 43.19
Cancelled |  | (0.1) | ​ | $ | 62.09 | ​ | — | ​ | $ | 71.71
Outstanding at September 30, 2023 |  | 0.8 | ​ | $ | 68.34 | ​ | 0.7 | ​ | $ | 75.54
Granted |  | 0.3 | ​ | $ | 92.30 | ​ | 0.2 | ​ | $ | 104.66
PEP units earned (unearned) |  | — | ​ | $ | — | ​ | 0.2 | ​ | $ | 52.50
Vested |  | (0.3) | ​ | $ | 50.14 | ​ | (0.4) | ​ | $ | 52.50
Cancelled |  | — | ​ | $ | 77.32 | ​ | — | ​ | $ | 89.76
Outstanding at September 30, 2024 |  | 0.8 | ​ | $ | 83.96 | ​ | 0.7 | ​ | $ | 95.38

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