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Earnings per Share (Tables) | 6 Months Ended
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Nov. 30, 2023
Earnings per Share |
Schedule of reconciliation of computations of basic and diluted earnings per share information | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended | ​ | Six Months Ended
​ | ​ | November 30, | ​ | November 30,
​ |  | 2023 |  | 2022 |  | 2023 |  | 2022
Basic and Diluted Earnings Per Share: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Income from continuing operations | ​ | $ | 23.8 | ​ | $ | 22.5 | ​ | $ | 23.2 | ​ | $ | 44.8
Less income attributable to participating shares | ​ | ​ | (0.3) | ​ | ​ | (0.3) | ​ |  | (0.3) | ​ |  | (0.6)
Income from continuing operations attributable to common shareholders | ​ | ​ | 23.5 | ​ | ​ | 22.2 | ​ | ​ | 22.9 | ​ | ​ | 44.2
Income from discontinued operations attributable to common shareholders | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 0.4
Net income attributable to common shareholders for earnings per share | ​ | $ | 23.5 | ​ | $ | 22.2 | ​ | $ | 22.9 | ​ | $ | 44.6
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Weighted Average Shares: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Weighted average common shares outstanding - basic | ​ | ​ | 34.9 | ​ | ​ | 34.2 | ​ |  | 34.9 | ​ |  | 34.6
Additional shares from the assumed exercise of stock options | ​ | ​ | 0.4 | ​ | ​ | 0.5 | ​ | ​ | 0.4 | ​ | ​ | 0.4
Weighted average common shares outstanding - diluted | ​ | ​ | 35.3 | ​ | ​ | 34.7 | ​ | ​ | 35.3 | ​ | ​ | 35.0
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Earnings per share – basic: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Earnings from continuing operations | ​ | $ | 0.67 | ​ | $ | 0.65 | ​ | $ | 0.66 | ​ | $ | 1.28
Income from discontinued operations | ​ | ​ | — | ​ | ​ | — | ​ |  | — | ​ |  | 0.01
Earnings per share – basic | ​ | $ | 0.67 | ​ | $ | 0.65 | ​ | $ | 0.66 | ​ | $ | 1.29
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Earnings per share – diluted: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Earnings from continuing operations | ​ | $ | 0.67 | ​ | $ | 0.64 | ​ | $ | 0.65 | ​ | $ | 1.26
Income from discontinued operations | ​ | ​ | — | ​ | ​ | — | ​ |  | — | ​ |  | 0.01
Earnings per share – diluted | ​ | $ | 0.67 | ​ | $ | 0.64 | ​ | $ | 0.65 | ​ | $ | 1.27
​

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482662/260-10-50-1 + Details
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