v3.26.1
Note 12 - Senior Notes and Credit Facilities - Senior Notes and Credit Facilities Balances (Details) (Parentheticals) - Unsecured Senior Notes [Member]
6 Months Ended 12 Months Ended
Apr. 30, 2026
Oct. 31, 2025
8.0% Senior Notes due April 1, 2031 [Member]    
Debt Instrument [Line Items]    
Debt instrument, interest rate, stated percentage 8.00% 8.00%
Debt Instrument, Maturity Date Apr. 01, 2031 Apr. 01, 2031
8.375% Senior Notes due October 1, 2033 [Member]    
Debt Instrument [Line Items]    
Debt instrument, interest rate, stated percentage 8.375% 8.375%
Debt Instrument, Maturity Date Oct. 01, 2033 Oct. 01, 2033
5.0% Senior Notes due February 1, 2040 [Member]    
Debt Instrument [Line Items]    
Debt instrument, interest rate, stated percentage 5.00% 5.00%
Debt Instrument, Maturity Date Feb. 01, 2040 Feb. 01, 2040