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Note 16 - Income Taxes (Details Textual) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Apr. 30, 2023 | Apr. 30, 2022 | Apr. 30, 2023 | Apr. 30, 2022 | Oct. 31, 2022
Income Tax Expense (Benefit) | $ 11,977 | $ 18,510 | $ 11,308 | $ 29,103 |
Deferred Tax Assets, Net | 336,700 |  | 336,700 |  | $ 344,800
Deferred Tax Assets, Valuation Allowance | 95,700 |  | 95,700 |  | $ 95,700
Domestic Tax Authority [Member] |  |  |  |  |
Income Tax Expense (Benefit) | 10,894 | 15,923 | 8,014 | 23,973 |
Domestic Tax Authority [Member] | Between 2030 and 2038 [Member] |  |  |  |  |
Operating Loss Carryforwards | 874,300 |  | 874,300 |  |
Domestic Tax Authority [Member] | Indefinite Tax Period [Member] |  |  |  |  |
Operating Loss Carryforwards | 15,700 |  | 15,700 |  |
State and Local Jurisdiction [Member] |  |  |  |  |
Income Tax Expense (Benefit) | 1,083 | $ 2,587 | 3,294 | $ 5,130 |
Operating Loss Carryforwards | 2,300,000 |  | 2,300,000 |  |
State and Local Jurisdiction [Member] | Indefinite Tax Period [Member] |  |  |  |  |
Operating Loss Carryforwards | 51,500 |  | 51,500 |  |
State and Local Jurisdiction [Member] | Between 2023 and 2027 [Member] |  |  |  |  |
Operating Loss Carryforwards | 411,400 |  | 411,400 |  |
State and Local Jurisdiction [Member] | Between 2028 and 2032 [Member] |  |  |  |  |
Operating Loss Carryforwards | 1,400,000 |  | 1,400,000 |  |
State and Local Jurisdiction [Member] | Between 2033 and 2037 [Member] |  |  |  |  |
Operating Loss Carryforwards | 369,700 |  | 369,700 |  |
State and Local Jurisdiction [Member] | Between 2038 and 2042 [Member] |  |  |  |  |
Operating Loss Carryforwards | $ 73,700 |  | 73,700 |  |
Energy Efficient Tax Credit [Member] |  |  |  |  |
Effective Income Tax Rate Reconciliation, Tax Credit, Amount |  |  | $ 6,200 |  |

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