Selected Account Information - Schedule of Non-Operating Gains (Losses) (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
Mar. 31, 2026 |
Mar. 31, 2025 |
|
| Receivables [Abstract] | ||||
| Premium on stock repurchase | $ 0 | $ 0 | $ (9,885) | $ 0 |
| Gain on lease termination | 0 | 0 | 0 | 979 |
| Other | 4 | 0 | 4 | 0 |
| Non-operating gains (losses), net | $ 4 | $ 0 | $ (9,881) | $ 979 |