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Earnings (Loss) Per Share (Tables) | 3 Months Ended
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Aug. 31, 2021
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, |  |
| 2021 | 2020 |  |
Net income (loss) attributable to Class A and Common Stockholders | $ | (24.2) |  |  | $ | (39.8) |  |  |  |  |  |  |  |
Weighted average Shares of Class A Stock and Common Stock outstanding for basic earnings (loss) per share (in millions) |  | 34.4 |  |  |  | 34.3 |  |  |  |  |  |  |  |
Dilutive effect of Class A Stock and 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) |  | 34.4 |  |  |  | 34.3 |  |  |  |  |  |  |  |
Earnings (loss) per share of Class A Stock and Common Stock: |  |  |  |  |  |  |  |  |  |  |  |
Basic | $ | (0.70) |  |  | $ | (1.16) |  |  |  |  |  |  |  |
Diluted | $ | (0.70) |  |  | $ | (1.16) |  |  |  |  |  |  |  |
* The Company experienced a net loss for all periods presented and therefore did not report any dilutive share impact. The Company experienced a loss for the three month periods ended August 31, 2021 and August 31, 2020 and therefore did not allocate any loss to certain participating restricted stock units.
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, 2021 |  | August 31, 2020
Options outstanding pursuant to stock-based compensation plans (in millions) | 4.9 |  |  | 3.0 |

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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=6371337&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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