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Earnings (Loss) Per Share (Tables) | 6 Months Ended
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Nov. 30, 2024
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 periods indicated:
| Three months ended | Six months ended
| November 30, | November 30,
| 2024 | 2023 | 2024 | 2023
Net income (loss) attributable to Class A and Common Stockholders | $ | 48.8 |  |  | $ | 76.9 |  |  | $ | (13.7) |  |  | $ | 2.7 |
Weighted average Shares of Class A Stock and Common Stock outstanding for basic earnings (loss) per share (in millions) |  | 28.2 |  |  |  | 30.7 |  |  |  | 28.3 |  |  | 31.2 |
Dilutive effect of Common Stock potentially issuable pursuant to stock-based compensation plans (in millions)* |  | 0.4 |  |  |  | 0.7 |  |  |  | — |  |  |  | 0.8 |  |
Adjusted weighted average Shares of Class A Stock and Common Stock outstanding for diluted earnings (loss) per share (in millions) |  | 28.6 |  |  |  | 31.4 |  |  |  | 28.3 |  |  | 32.0 |
Earnings (loss) per share of Class A Stock and Common Stock: |  |  |  |  |  |  |  |  |  |  |  |
Basic | $ | 1.73 |  |  | $ | 2.51 |  |  | $ | (0.48) |  |  | $ | 0.09 |
Diluted | $ | 1.71 |  |  | $ | 2.45 |  |  | $ | (0.48) |  |  | $ | 0.09 |
Anti-dilutive shares pursuant to stock-based compensation plans* |  | 1.8 |  |  |  | 1.1 |  |  |  | — |  |  |  | 0.7 |  |
Schedule of stock option activity | The following table sets forth options outstanding pursuant to stock-based compensation plans as of the dates indicated:
| November 30, 2024 |  | November 30, 2023
Options outstanding pursuant to stock-based compensation plans (in millions) | 2.8 |  | 3.1

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