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Earnings (Loss) Per Share (Tables) | 9 Months Ended
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Feb. 28, 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 periods indicated:
| Three months ended | Nine months ended
| February 28, | February 28,
| 2023 | 2022 | 2023 | 2022
Net income (loss) attributable to Class A and Common Stockholders | $ | (19.2) |  |  | $ | (15.3) |  |  | $ | 10.6 |  |  | $ | 28.6 |
Weighted average Shares of Class A Stock and Common Stock outstanding for basic earnings (loss) per share (in millions) |  | 33.7 |  |  |  | 34.6 |  |  |  | 34.2 |  |  | 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 |  |
Adjusted weighted average Shares of Class A Stock and Common Stock outstanding for diluted earnings (loss) per share (in millions) |  | 33.7 |  |  |  | 34.6 |  |  |  | 35.1 |  |  | 35.6 |
Earnings (loss) per share of Class A Stock and Common Stock: |  |  |  |  |  |  |  |  |  |  |  |
Basic | $ | (0.57) |  |  | $ | (0.44) |  |  | $ | 0.31 |  |  | $ | 0.83 |
Diluted | $ | (0.57) |  |  | $ | (0.44) |  |  | $ | 0.30 |  |  | $ | 0.80 |
Anti-dilutive shares pursuant to stock-based compensation plans |  | 0.7 |  |  |  | 0.8 |  |  |  | 0.6 |  |  |  | 1.8 |  |
Schedule of stock option activity | The following table sets forth options outstanding pursuant to stock-based compensation plans as of the dates indicated:
| February 28, 2023 |  | February 28, 2022
Options outstanding pursuant to stock-based compensation plans (in millions) | 3.3 |  | 4.6

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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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