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Note 16 - Income Taxes (Details Textual) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Jul. 31, 2023
Jul. 31, 2022
Jul. 31, 2023
Jul. 31, 2022
Oct. 31, 2022
Income Tax Expense (Benefit) $ 14,626 $ 29,313 $ 25,934 $ 58,416  
Deferred Tax Assets, Net 324,700   324,700   $ 344,800
Deferred Tax Assets, Valuation Allowance 91,800   91,800   $ 95,700
Energy Efficient Tax Credit [Member]          
Effective Income Tax Rate Reconciliation, Tax Credit, Amount     6,200    
State and Local Jurisdiction [Member]          
Income Tax Expense (Benefit) (500) 6,385 2,794 11,515  
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount 3,900   3,900    
Operating Loss Carryforwards 2,300,000   2,300,000    
State and Local Jurisdiction [Member] | Indefinite Tax Period [Member]          
Operating Loss Carryforwards 51,600   51,600    
State and Local Jurisdiction [Member] | Between 2023 and 2027 [Member]          
Operating Loss Carryforwards 412,400   412,400    
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    
Domestic Tax Authority [Member]          
Income Tax Expense (Benefit) 15,126 $ 22,928 23,140 $ 46,901  
Domestic Tax Authority [Member] | Between 2030 and 2038 [Member]          
Operating Loss Carryforwards 812,900   812,900    
Domestic Tax Authority [Member] | Indefinite Tax Period [Member]          
Operating Loss Carryforwards $ 15,700   $ 15,700