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Earnings (Loss) Per Share | 3 Months Ended
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Aug. 31, 2018
Earnings Per Share [Abstract] |
Earnings (Loss) Per Share | EARNINGS (LOSS) 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,
| 2018 |  | 2017
Net income (loss) attributable to Class A and Common Shares | $ | (61.3 | ) |  | $ | (63.7 | )
Weighted average Shares of Class A Stock and Common Stock outstanding for basic earnings (loss) per share (in millions) | 35.0 |  |  | 35.2 |
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) | * |  |  | * |
Earnings (loss) per share of Class A Stock and Common Stock: |  |  |  |  |
Basic | $ | (1.75 | ) |  | $ | (1.81 | )
Diluted | $ | (1.75 | ) |  | $ | (1.81 | )
* In each of the three month periods ended August 31, 2018 and 2017, the Company experienced a loss from operations and therefore did not report any dilutive share impact. The following table sets forth options outstanding pursuant to stock-based compensation plans as of the dates indicated:
| August 31, 2018 |  | August 31, 2017
Options outstanding pursuant to stock-based compensation plans (in millions) | 2.7 |  |  | 2.6 |
There were 0.4 million of potentially anti-dilutive shares pursuant to compensation plans as of August 31, 2018. A portion of the Company’s Restricted Stock Units ("RSUs") which are granted to employees participate in earnings through cumulative dividends payable to the employees upon vesting of the RSUs. Accordingly, the Company measures earnings per share based upon the lower of the Two-class method or the Treasury Stock method. Since, under the Two-class method, losses are not allocated to the participating securities in periods of loss, the Two-class method is not applicable. As of August 31, 2018, $61.4 remained available for future purchases of common shares under the repurchase authorization of the Board of Directors (the "Board") in effect on that date. See Note 11, Treasury Stock, for a more complete description of the Company’s share buy-back program.

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- Definition The entire disclosure for earnings per share. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -URI http://asc.fasb.org/topic&trid=2144383 + Details
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