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Earnings Per Share (Tables) | 9 Months Ended
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Feb. 28, 2015
Earnings Per Share [Abstract] |
Schedule of Earnings Per Share, Basic and Diluted | The following is a reconciliation from basic earnings per common share to diluted earnings per common share. The computation of diluted earnings per common share omitted options to purchase an additional 0.1 million and 0.1 million shares of common stock outstanding for the three month periods ended February 28, 2015 and 2014, respectively, and options to purchase an additional 0.1 million and 0.0 million shares of common stock outstanding for the nine month periods ended February 28, 2015 and 2014, respectively, because the options were anti-dilutive.
|  | Three Months Ended February 28, |  | Nine Months Ended February 28,
(In millions, except per share data) |  | 2015 |  | 2014 |  | 2015 |  | 2014
Determination of shares: |  |  |  |  |  |  |  |
Weighted average common shares outstanding |  | 861.4 |  |  | 882.3 |  |  | 863.2 |  |  | 886.6 |
Assumed conversion of dilutive stock options and awards |  | 22.4 |  |  | 22.5 |  |  | 22.3 |  |  | 22.5 |
DILUTED WEIGHTED AVERAGE COMMON SHARES OUTSTANDING |  | 883.8 |  |  | 904.8 |  |  | 885.5 |  |  | 909.1 |
Earnings per common share: |  |  |  |  |  |  |  |
Basic |  | $ | 0.92 |  |  | $ | 0.77 |  |  | $ | 2.79 |  |  | $ | 2.25 |
Diluted |  | $ | 0.89 |  |  | $ | 0.75 |  |  | $ | 2.72 |  |  | $ | 2.19 |

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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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