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Note 9 - Asset Retirement Obligations - Undiscounted Amounts of Estimated Cash Flows for the Next Five Fiscal Years and Beyond (Details)
$ in Thousands
Oct. 31, 2024
USD ($)
Fiscal 2025 $ 2,953
Fiscal 2026 2,489
Fiscal 2027 2,509
Fiscal 2028 2,157
Fiscal 2029 2,813
Remaining balance 16,109
Undiscounted Amount of Estimated Cash Flows $ 29,030