Awards and Restricted Stock Units Issued under 2007 Plan and 2014 Omnibus Plan (Detail) - $ / shares |
12 Months Ended | ||
|---|---|---|---|
May 31, 2026 |
May 31, 2025 |
May 31, 2024 |
|
| Weighted-Average Grant-Date Fair Value | |||
| Shares released from restriction | $ 53.23 | ||
| Shares | |||
| Shares released from restriction | (75,000) | ||
| 2024 Omnibus Incentive Plan | |||
| Weighted-Average Grant-Date Fair Value | |||
| Beginning Balance | $ 47.06 | ||
| Shares granted | 110.59 | $ 114.26 | $ 93.51 |
| Shares vested | 91.43 | ||
| Shares released from restriction | 31.25 | ||
| Ending Balance | $ 93.18 | $ 47.06 | |
| Shares | |||
| Beginning Balance | 373,000 | ||
| Shares granted | 18,261 | ||
| Shares vested | (26,000) | ||
| Shares released from restriction | (282,000) | ||
| Ending Balance | 83,000 | 373,000 | |
| X | ||||||||||
- Definition Share Based Compensation Arrangement By Share Based Payment Award, Equity Instruments Other than Options Outstanding, Number No definition available.
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- Definition Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Outstanding, Weighted Average Exercise Price No definition available.
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- Definition Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Rollforward [Abstract] No definition available.
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- References No definition available.
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- Definition The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Weighted average price at which option holders acquired shares when converting their stock options into shares. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Number of share options (or share units) exercised during the current period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Details
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