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Leases - Narrative (Details) - USD ($) | 12 Months Ended
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Sep. 30, 2024 | Sep. 30, 2023
Lessee, Lease, Description [Line Items] |  |
Weighted average remaining lease term | 5 years 8 months 12 days | 6 years 1 month 6 days
Weighted average discount rate | 5.68% | 5.48%
Cash paid for operating liabilities | $ 12,700,000 | $ 9,700,000
Right of use asset in exchange for new lease liability | $ 0 | $ 0
Buildings and Property | Minimum |  |
Lessee, Lease, Description [Line Items] |  |
Non-cancelable lease term | 10 months |
Operating lease renewal term | 1 year |
Buildings and Property | Maximum |  |
Lessee, Lease, Description [Line Items] |  |
Non-cancelable lease term | 15 years |
Operating lease renewal term | 16 years |
Drilling Rigs | Maximum |  |
Lessee, Lease, Description [Line Items] |  |
Non-cancelable lease term | 1 year |
Compressor Equipment | Minimum |  |
Lessee, Lease, Description [Line Items] |  |
Non-cancelable lease term | 2 months |
Compressor Equipment | Maximum |  |
Lessee, Lease, Description [Line Items] |  |
Non-cancelable lease term | 5 years |

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