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Summary of Significant Accounting Policies - Schedule of Other Accruals and Current Liabilities (Details) - USD ($) $ in Thousands | Sep. 30, 2024 | Sep. 30, 2023
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Summary Of Significant Accounting Policies [Abstract] |  |
Accrued Capital Expenditures | $ 47,344 | $ 43,323
Regulatory Liabilities | 29,352 | 38,105
Liability for Royalty and Working Interests | 15,007 | 17,679
Non-Qualified Benefit Plan Liability | 14,135 | 13,052
Other | 57,065 | 48,815
Other Accruals and Current Liabilities | $ 162,903 | $ 160,974

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- Definition Carrying value as of the balance sheet date of obligations incurred through that date and payable for obligations incurred for oil and gas properties with joint interest partners. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). + References No definition available. + Details
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