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Note 2 - Stock Compensation (Details Textual) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Jul. 31, 2025
Jul. 31, 2024
Jul. 31, 2025
Jul. 31, 2024
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]        
Share-Based Payment Arrangement, Expense $ 6.2 $ 9.2 $ 14.1 $ 20.2
Share-Based Payment Arrangement, Expense, after Tax $ 4.4 $ 6.1 $ 10.1 $ 13.2
Performance Shares [Member] | The 2025 LTIP [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]        
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Post-Vesting Hold Period (Year)     2 years  
Performance Shares [Member] | Payable in Cash-settled Phantom Shares [Member] | The 2025 PSUs [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]        
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage     50.00%  
Performance Shares [Member] | Payable in Shares of Company Stock [Member] | The 2025 LTIP [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]        
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage     100.00%  
Performance Shares [Member] | Payable in Shares of Company Stock [Member] | The 2025 PSUs [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]        
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage     50.00%  
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Post-Vesting Hold Period (Year)     2 years