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Earnings Per Share (Narrative) (Details) - USD ($) | 6 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | ---
Apr. 30, 2024 | Oct. 31, 2023 | Apr. 30, 2024 | Apr. 30, 2023 | Apr. 30, 2022 | Nov. 29, 2023 | May 25, 2021
Equity, Class of Treasury Stock [Line Items] |  |  |  |  |  |  |
Potentially dilutive shares |  |  | 0 | 0 | 48,379 |  |
Treasury Stock, Shares, Acquired |  |  | 1,108,715 | 0 | 299,781 |  |
Payments for Repurchase of Common Stock |  |  | $ 87,652,000 | $ 0 | $ 25,000,000 |  |
Share Repurchase Program 2021 |  |  |  |  |  |  |
Equity, Class of Treasury Stock [Line Items] |  |  |  |  |  |  |
Stock Repurchase Program, Authorized Amount |  |  |  |  |  |  | $ 100,000,000
Stock Repurchase Program, Remaining Authorized Repurchase Amount | $ 89,500,000 |  | $ 89,500,000 |  |  |  |
Treasury Stock, Value, Acquired, Cost Method |  |  |  |  | $ 25,000,000 |  |
Share Repurchase Program, Cancelled Authorized Repurchase Amount |  |  |  |  |  |  | $ 22,900,000
Payments for Repurchase of Common Stock |  | $ 52,200,000 |  |  |  |  |
Share Repurchase Program 2023 |  |  |  |  |  |  |
Equity, Class of Treasury Stock [Line Items] |  |  |  |  |  |  |
Stock Repurchase Program, Authorized Amount |  |  |  |  |  | $ 125,000,000 |
Payments for Repurchase of Common Stock | $ 35,500,000 |  |  |  |  |  |

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- 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. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482662/260-10-50-1 + Details
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