Employee Benefit Plans (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Sep. 30, 2024 |
Sep. 30, 2023 |
Sep. 30, 2022 |
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| Retirement Benefits [Abstract] | |||
| Age of retirement plan eligible participants | 18 years | ||
| Minimum eligibility period of employment for participation in retirement plan | 6 months | ||
| Defined contribution costs | $ 7.8 | $ 6.8 | $ 5.5 |
| X | ||||||||||
- Definition Age Of Retirement Plan Eligible Participants No definition available.
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| X | ||||||||||
- Definition Minimum Eligibility Period Of Employment For Participation In Retirement Plan No definition available.
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Amount of cost for defined contribution plan. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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