Earnings Per Share - Schedule of Potential Shares Considered Antidilutive (Details) - shares shares in Thousands |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Restricted stock unit awards | ||||
| Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items] | ||||
| Antidilutive shares (in shares) | 0 | 669 | 1,093 | 0 |
| Contingently issuable stock awards | ||||
| Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items] | ||||
| Antidilutive shares (in shares) | 0 | 0 | 1,266 | 61 |
| Conversion option of our Notes | ||||
| Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items] | ||||
| Antidilutive shares (in shares) | 4,420 | 6,270 | 4,661 | 6,822 |