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v3.25.2

Equity - Restricted stock (Details) - USD ($) $ / shares in Units, $ in Millions | 12 Months Ended
--- | ---
May 31, 2025 | May 31, 2024 | May 31, 2023
Selling, general and administrative expenses |  |  |
Weighted Average Fair Value on Grant Date |  |  |
Excess tax benefit recognized | $ 16.4 | $ 12.3 | $ 10.0
Restricted stock |  |  |
Number of Shares |  |  |
Nonvested at beginning of year (in shares) | 636,000 |  |
Granted (in shares) | 287,000 |  |
Vested (in shares) | (366,000) |  |
Forfeited (in shares) | (21,000) |  |
Nonvested at end of year (in shares) | 536,000 | 636,000 |
Weighted Average Fair Value on Grant Date |  |  |
Nonvested at the beginning of the period (in dollars per share) | $ 48.84 |  |
Granted (in dollars per share) | 60.68 |  |
Vested (in dollars per share) | 47.05 |  |
Forfeited (in dollars per share) | 58.51 |  |
Nonvested at the end of the period (in dollars per share) | $ 56.47 | $ 48.84 |
Unearned compensation not yet recognized | $ 13.6 |  |
Average remaining expensed period of unearned compensation | 1 year 8 months 12 days |  |
Performance based restricted stock | Executives and other key employees |  |  |
Number of Shares |  |  |
Granted (in shares) | 124,200 | 81,100 | 74,660
Time based restricted stock | Board of Directors |  |  |
Number of Shares |  |  |
Granted (in shares) | 19,401 | 23,888 | 28,851
Time based restricted stock | Executives and other key employees |  |  |
Number of Shares |  |  |
Granted (in shares) | 78,541 | 111,018 | 93,450

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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. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(03) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(02) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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