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Earnings (Loss) Per Share (Tables) | 6 Months Ended
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Nov. 30, 2022
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,
| 2022 | 2021 | 2022 | 2021
Net income (loss) attributable to Class A and Common Stockholders | $ | 74.8 |  |  | $ | 68.0 |  |  | $ | 29.6 |  |  | $ | 43.9 |
Weighted average Shares of Class A Stock and Common Stock outstanding for basic earnings (loss) per share (in millions) |  | 34.5 |  |  |  | 34.6 |  |  |  | 34.4 |  |  | 34.6 |
Dilutive effect of Class A Stock and Common Stock potentially issuable pursuant to stock-based compensation plans (in millions) |  | 0.9 |  |  |  | 1.0 |  |  |  | 1.0 |  |  |  | 0.9 |  |
Adjusted weighted average Shares of Class A Stock and Common Stock outstanding for diluted earnings (loss) per share (in millions) |  | 35.4 |  |  |  | 35.6 |  |  |  | 35.4 |  |  | 35.5 |
Earnings (loss) per share of Class A Stock and Common Stock: |  |  |  |  |  |  |  |  |  |  |  |
Basic | $ | 2.17 |  |  | $ | 1.97 |  |  | $ | 0.86 |  |  | $ | 1.27 |
Diluted | $ | 2.12 |  |  | $ | 1.91 |  |  | $ | 0.84 |  |  | $ | 1.24 |
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, 2022 |  | November 30, 2021
Options outstanding pursuant to stock-based compensation plans (in millions) | 3.4 |  | 4.9

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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 -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257 + Details
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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 -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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