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Basic and Diluted Earnings Per Share (Tables) | 6 Months Ended
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Nov. 30, 2013
Earnings Per Share [Abstract] |
Basic and diluted earnings per share | Basic and diluted earnings per share were calculated as follows:
| For the three months ended November 30, |  | For the six months ended November 30,
In millions, except per share amounts | 2013 |  | 2012 |  | 2013 |  | 2012
Basic earnings per share: |  |  |  |  |  |  |
Net income | $ | 158.7 |  |  | $ | 147.9 |  |  | $ | 321.5 |  |  | $ | 301.0 |
Weighted-average common shares outstanding | 364.9 |  |  | 363.6 |  |  | 365.1 |  |  | 363.3 |
Basic earnings per share | $ | 0.43 |  |  | $ | 0.41 |  |  | $ | 0.88 |  |  | $ | 0.83 |
Diluted earnings per share: |  |  |  |  |  |  |
Net income | $ | 158.7 |  |  | $ | 147.9 |  |  | $ | 321.5 |  |  | $ | 301.0 |
Weighted-average common shares outstanding | 364.9 |  |  | 363.6 |  |  | 365.1 |  |  | 363.3 |
Dilutive effect of common share equivalents | 1.5 |  |  | 0.8 |  |  | 1.4 |  |  | 0.8 |
Weighted-average common shares outstanding, assuming dilution | 366.4 |  |  | 364.4 |  |  | 366.5 |  |  | 364.1 |
Diluted earnings per share | $ | 0.43 |  |  | $ | 0.41 |  |  | $ | 0.88 |  |  | $ | 0.83 |
Weighted-average anti-dilutive common share equivalents | 0.8 |  |  | 7.5 |  |  | 0.8 |  |  | 7.5 |

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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/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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