Earnings (Loss) Per Share Antidilutive shares excluded from earnings per share (Details) - shares shares in Millions |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2024 |
Jun. 30, 2023 |
Jun. 30, 2024 |
Jun. 30, 2023 |
|
| Restricted Stock Awards | ||||
| Antidilutive Securities Excluded from Computation of Earnings (Loss) Per Share | ||||
| Antidilutive Securities Excluded from Computation of (Loss) Earnings Per Share, Amount | 0.0 | 0.0 | 0.0 | 0.1 |
| Market-based performance shares | ||||
| Antidilutive Securities Excluded from Computation of Earnings (Loss) Per Share | ||||
| Antidilutive Securities Excluded from Computation of (Loss) Earnings Per Share, Amount | 0.0 | 0.1 | 0.0 | 0.1 |