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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