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Earnings (Loss) Per Share (Tables) | 3 Months Ended
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Aug. 31, 2025
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 |
| August 31, | August 31, |  |
| 2025 | 2024 |  |
Net income (loss) attributable to Class A and Common Stockholders | $ | (71.1) |  |  | $ | (62.5) |  |  |  |  |  |  |  |
Weighted average Shares of Class A Stock and Common Stock outstanding for basic earnings (loss) per share (in millions) |  | 25.2 |  |  |  | 28.3 |  |  |  |  |  |  |  |
Dilutive effect of Common Stock potentially issuable pursuant to stock-based compensation plans (in millions)* |  | — |  |  |  | — |  |  |  |  |  |  |  |
Adjusted weighted average Shares of Class A Stock and Common Stock outstanding for diluted earnings (loss) per share (in millions) |  | 25.2 |  |  |  | 28.3 |  |  |  |  |  |  |  |
Earnings (loss) per share of Class A Stock and Common Stock: |  |  |  |  |  |  |  |  |  |  |  |
Basic | $ | (2.83) |  |  | $ | (2.21) |  |  |  |  |  |  |  |
Diluted | $ | (2.83) |  |  | $ | (2.21) |  |  |  |  |  |  |  |
Anti-dilutive shares pursuant to stock-based compensation plans* |  | 1.6 |  |  |  | 1.7 |  |  |  |  |  |  |  |
Schedule of stock option activity | The following table sets forth options outstanding pursuant to stock-based compensation plans as of the dates indicated:
| August 31, 2025 |  | August 31, 2024
Options outstanding pursuant to stock-based compensation plans (in millions) | 2.6 |  | 2.9

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- Definition Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (d) -SubTopic 10 -Topic 718 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (e) -SubTopic 10 -Topic 718 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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