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v3.24.3

Employee Benefit Plans (Details) - USD ($) $ in Millions | 12 Months Ended
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Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2022
Retirement Benefits [Abstract] |  |  |
Defined benefit plan, contributions by employer | $ 2.4 | $ 1.7 | $ 1.5
Maximum contribution per employee percentage of regular compensation | 75.00% |  |
Maximum contribution per employee percentage of incentive compensation | 100.00% |  |
Obligation under the plan | $ 2.4 | 2.2 |
Cash surrender value of life insurance policies | $ 3.3 | $ 2.8 |

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