v3.26.1
Redeemable Preferred Stock (Details) - $ / shares
6 Months Ended
Apr. 30, 2026
Apr. 30, 2025
Redeemable Preferred Stock    
Preferred stock, par value $ 0.01  
Preferred stock, liquidation preference per share $ 1,000  
Maximum    
Redeemable Preferred Stock    
Preferred stock, shares authorized 250,000  
Series B Preferred Stock    
Redeemable Preferred Stock    
Preferred stock, shares authorized 105,875  
Preferred stock, dividend rate, percentage 5.00% 5.00%