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Note 9 - Senior Notes and Credit Facilities - Senior Notes and Credit Facilities Balances (Details) (Parentheticals)
12 Months Ended
Oct. 31, 2022
Oct. 31, 2021
Apr. 30, 2020
Jan. 31, 2020
Dec. 10, 2019
Oct. 31, 2019
Senior Unsecured Term Loan Credit Facility Due 2027 [Member]            
Debt Instrument, Maturity Date Feb. 01, 2027 Feb. 01, 2027        
The 10.0% Senior Secured 1.75 Lien Notes due 2025 [Member] | Senior Secured Notes [Member]            
Debt Instrument, Interest Rate, Stated Percentage 10.00% 10.00%   10.00% 10.00%  
Debt Instrument, Maturity Date Nov. 15, 2025 Nov. 15, 2025        
The 7.75% Senior Secured 1.125 Lien Notes due February 15, 2026 [Member] | Senior Secured Notes [Member]            
Debt Instrument, Interest Rate, Stated Percentage 7.75% 7.75%        
Debt Instrument, Maturity Date Feb. 15, 2026 Feb. 15, 2026        
The 10.5% Senior Secured 1.25 Lien Notes due February 15, 2026 [Member] | Senior Secured Notes [Member]            
Debt Instrument, Interest Rate, Stated Percentage 10.50% 10.50%        
Debt Instrument, Maturity Date Feb. 15, 2026 Feb. 15, 2026        
The 11.25% Senior Secured 1.5 Lien Notes due February 15, 2026 [Member]            
Debt Instrument, Interest Rate, Stated Percentage     11.25%     11.25%
The 11.25% Senior Secured 1.5 Lien Notes due February 15, 2026 [Member] | Senior Secured Notes [Member]            
Debt Instrument, Interest Rate, Stated Percentage 11.25% 11.25%        
Debt Instrument, Maturity Date Feb. 15, 2026 Feb. 15, 2026        
The 8.0% Senior Notes Due 2027 [Member]            
Debt Instrument, Interest Rate, Stated Percentage 8.00%          
The 8.0% Senior Notes Due 2027 [Member] | Unsecured Senior Notes Excluding Senior Amortizing Notes and Senior Exchangeable Notes [Member]            
Debt Instrument, Interest Rate, Stated Percentage 8.00% 8.00%        
Debt Instrument, Maturity Date Nov. 01, 2027 Nov. 01, 2027        
The 13.5% Senior Notes Due 2026 [Member]            
Debt Instrument, Interest Rate, Stated Percentage 13.50%          
The 13.5% Senior Notes Due 2026 [Member] | Unsecured Senior Notes Excluding Senior Amortizing Notes and Senior Exchangeable Notes [Member]            
Debt Instrument, Interest Rate, Stated Percentage 13.50% 13.50%        
Debt Instrument, Maturity Date Feb. 01, 2026 Feb. 01, 2026        
The 5.0% Senior Notes due 2040 [Member]            
Debt Instrument, Interest Rate, Stated Percentage 5.00%          
The 5.0% Senior Notes due 2040 [Member] | Unsecured Senior Notes Excluding Senior Amortizing Notes and Senior Exchangeable Notes [Member]            
Debt Instrument, Interest Rate, Stated Percentage 5.00% 5.00%        
Debt Instrument, Maturity Date Feb. 01, 2040 Feb. 01, 2040        
The 10.0% Senior Secured 1.75 Lien Term Loans Due 2028 [Member] | Senior Secured Term Loan [Member]            
Debt Instrument, Maturity Date Jan. 31, 2028 Jan. 31, 2028