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Note 11 - Income Taxes (Details Textual) - USD ($)
$ in Thousands
 12 Months Ended
Oct. 31, 2023
Oct. 31, 2022
Oct. 31, 2021
Income Tax Expense (Benefit) $ 50,060 $ 94,263 $ (417,956)
Deferred Tax Assets, Net 302,833 344,793  
Deferred Tax Assets, Valuation Allowance 71,879 95,727  
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued 0 100  
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense $ 131 128 84
Open Tax Year 2019 2020 2021 2022    
Domestic Tax Authority [Member]      
Operating Income (Loss) $ (221,200) (306,000) (173,800)
Operating Income (Loss), Tax Effect 46,400 64,300 36,500
Income Tax Expense (Benefit) 46,821 60,064 (335,608)
Deferred Tax Assets, Net 228,723 275,545  
Domestic Tax Authority [Member] | Between 2030 and 2038 [Member]      
Operating Loss Carryforwards 688,300    
Domestic Tax Authority [Member] | Indefinite Tax Period [Member]      
Operating Loss Carryforwards 15,700    
State and Local Jurisdiction [Member]      
Operating Income (Loss) (113,300) (80,100) (55,700)
Operating Income (Loss), Tax Effect 8,300 5,800 3,900
Income Tax Expense (Benefit) 3,239 34,199 $ (82,348)
Operating Loss Carryforwards 2,100,000    
Deferred Tax Assets, Net 74,110 $ 69,248  
State and Local Jurisdiction [Member] | Indefinite Tax Period [Member]      
Operating Loss Carryforwards 52,100    
State and Local Jurisdiction [Member] | Between 2024 and 2028 [Member]      
Operating Loss Carryforwards 586,100    
State and Local Jurisdiction [Member] | Between 2029 and 2033 [Member]      
Operating Loss Carryforwards 1,100,000    
State and Local Jurisdiction [Member] | Between 2034 and 2038 [Member]      
Operating Loss Carryforwards 348,800    
State and Local Jurisdiction [Member] | Between 2039 Through 2043 [Member]      
Operating Loss Carryforwards $ 8,700