Note 2 - Stock Compensation (Details Textual) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Apr. 30, 2024	Apr. 30, 2023	Apr. 30, 2024	Apr. 30, 2023
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Share-Based Payment Arrangement, Expense	$ 6.9	$ 2.2	$ 11.0	$ 4.2
Share-Based Payment Arrangement, Expense, after Tax	$ 5.1	$ 1.6	$ 8.1	$ 3.5
Performance Shares [Member] | The 2024 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 2024 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			50.00%
Performance Shares [Member] | Payable in Shares of Company Stock [Member] | The 2024 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			50.00%