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Earnings (Loss) Per Share (Tables) | 12 Months Ended
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May 31, 2023
Earnings Per Share [Abstract] |
Schedule of basic and diluted earnings per share | The following table summarizes the reconciliation of the numerators and denominators for the Basic and Diluted earnings (loss) per share computation for the fiscal years ended May 31:
| 2023 |  | 2022 |  | 2021
Net income (loss) attributable to Class A and Common Shares | $ | 86.3 |  |  | $ | 80.6 |  |  | $ | (11.0) |
Weighted average Shares of Class A Stock and Common Stock outstanding for basic earnings (loss) per share (in millions) |  | 33.8 |  |  |  | 34.5 |  |  |  | 34.3 |
Dilutive effect of Class A Stock and Common Stock potentially issuable pursuant to stock-based compensation plans (in millions)* |  | 0.9 |  |  |  | 1.1 |  |  |  | — |
Adjusted weighted average Shares of Class A Stock and Common Stock outstanding for diluted earnings (loss) per share (in millions) |  | 34.7 |  |  |  | 35.6 |  |  |  | 34.3 |
Earnings (loss) per share of Class A Stock and Common Stock |  |  |  |  |  |  |  |
Basic earnings (loss) per share | $ | 2.56 |  |  | $ | 2.33 |  |  | $ | (0.32) |
Diluted earnings (loss) per share | $ | 2.49 |  |  | $ | 2.27 |  |  | $ | (0.32) |
Anti-dilutive shares pursuant to stock-based compensation plans |  | 0.6 |  |  |  | 1.6 |  |  |  | 2.0 |
Schedule of Options Outstanding | The following table sets forth Options outstanding pursuant to stock-based compensation plans for the fiscal years ended May 31:
| 2023 |  | 2022
Options outstanding pursuant to stock-based compensation plans (in millions) | 3.2 |  | 4.3

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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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- Definition Tabular disclosure of number, weighted-average exercise price or conversion ratio, aggregate intrinsic value, and weighted-average remaining contractual term for outstanding options that are fully vested and expected to vest. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 718 -SubTopic 10 -Subparagraph (e)(1) -Name Accounting Standards Codification -Paragraph 2 -Section 50 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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