Note 11 - Earnings Per Share (Details Textual) - USD ($) $ / shares in Units, shares in Millions, $ in Millions |
3 Months Ended | 6 Months Ended | |
|---|---|---|---|
Apr. 30, 2024 |
Apr. 30, 2025 |
Apr. 30, 2024 |
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| S 2025 Q1 Dividends Member | |||
| Common Stock, Dividends, Per Share, Declared (in dollars per share) | $ 1 | ||
| Dividends Payable | $ 53.1 | ||
| Series A Preferred Stock [Member] | |||
| Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares) | 2.5 | 2.5 | 2.5 |
| Restricted Stock Units (RSUs) [Member] | |||
| Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares) | 1.0 | ||
| Restricted Stock and Stock Options [Member] | |||
| Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares) | 0.5 | 0.1 | 1.9 |
| X | ||||||||||
- Definition Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Aggregate dividends declared during the period for each share of common stock outstanding. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Carrying value as of the balance sheet date of dividends declared but unpaid on equity securities issued by the entity and outstanding. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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