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Basic and Diluted Earnings Per Share | 9 Months Ended
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Feb. 28, 2021
Basic and Diluted Earnings Per Share [Abstract] |
Basic and Diluted Earnings Per Share | Note C: Basic and Diluted Earnings Per Share Basic and diluted earnings per share were calculated as follows:
|  | For the three months ended |  | For the nine months ended
|  | February 28, |  | February 29, |  | February 28, |  | February 29,
In millions, except per share amounts |  | 2021 |  | 2020 |  | 2021 |  | 2020
Basic earnings per share: |  |  |  |  |  |  |  |  |  |  |  |
Net income |  | $ | 350.5 |  | $ | 354.5 |  | $ | 834.5 |  | $ | 877.4
Weighted-average common shares outstanding |  |  | 360.6 |  |  | 358.5 |  |  | 359.8 |  |  | 358.5
Basic earnings per share |  | $ | 0.97 |  | $ | 0.99 |  | $ | 2.32 |  | $ | 2.45
Diluted earnings per share: |  |  |  |  |  |  |  |  |  |  |  |
Net income |  | $ | 350.5 |  | $ | 354.5 |  | $ | 834.5 |  | $ | 877.4
Weighted-average common shares outstanding |  |  | 360.6 |  |  | 358.5 |  |  | 359.8 |  |  | 358.5
Dilutive effect of common share equivalents |  |  | 2.2 |  |  | 2.5 |  |  | 2.2 |  |  | 2.6
Weighted-average common shares outstanding, assuming dilution |  |  | 362.8 |  |  | 361.0 |  |  | 362.0 |  |  | 361.1
Diluted earnings per share |  | $ | 0.97 |  | $ | 0.98 |  | $ | 2.31 |  | $ | 2.43
Weighted-average anti-dilutive common share equivalents |  |  | — |  |  | 0.6 |  |  | 0.7 |  |  | 0.5
Weighted-average common share equivalents that have an anti-dilutive impact are excluded from the computation of diluted earnings per share.

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