Stock-Based Compensation Non-Vested Stock Options (Details) - USD ($) |
12 Months Ended | ||
|---|---|---|---|
Apr. 30, 2025 |
Apr. 30, 2024 |
Apr. 30, 2023 |
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| Options | |||
| Non-vested at beginning of year (in shares) | 0 | ||
| Options granted (in shares) | 0 | 0 | 0 |
| Non-vested at end of year (in shares) | 0 | 0 | |
| Unrecognized compensation cost related to non-vested stock awards | $ 12,695,000 | ||
| Period over which unrecognized compensation cost is expected to be recognized | 2 years | ||
| Weighted average period over which unrecognized compensation cost is expected to be recognized | 1 year 9 months 18 days | ||
| Exercise of stock options | $ 1,841,000 | $ 0 | $ 2,278,000 |
| Fair value of shares vested | 8,543,000 | 6,170,000 | 6,264,000 |
| Excess tax benefit from stock-based compensation | $ 6,984,000 | $ 0 | $ 3,387,000 |
| X | ||||||||||
- Definition Represents the period over which unrecognized compensation cost is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. No definition available.
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- Definition Number of non-vested options outstanding. No definition available.
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. No definition available.
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- Definition Amount of cost not yet recognized for nonvested award under share-based payment arrangement. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of tax benefit from exercise of option under share-based payment arrangement. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of cash inflow from exercise of option under share-based payment arrangement. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Gross number of share options (or share units) granted during the period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Fair value of options vested. Excludes equity instruments other than options, for example, but not limited to, share units, stock appreciation rights, restricted stock. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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