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Basic and Diluted Earnings Per Share (Tables) | 12 Months Ended
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May 31, 2017
Basic and Diluted Earnings Per Share [Abstract] |
Basic and Diluted Earnings Per Share |
﻿ |  |  |  |  |  |  |  |  |
﻿ |  |  |  |  |  |  |  |  |
﻿ |  | Year ended May 31,
﻿In millions, except per share amounts |  | 2017 |  | 2016 |  | 2015
﻿Basic earnings per share: |  |  |  |  |  |  |  |  |
﻿Net income |  | $ | 817.3 |  | $ | 756.8 |  | $ | 674.9
﻿Weighted-average common shares outstanding |  |  | 359.8 |  |  | 360.7 |  |  | 362.9
﻿Basic earnings per share |  | $ | 2.27 |  | $ | 2.10 |  | $ | 1.86
﻿Diluted earnings per share: |  |  |  |  |  |  |  |  |
﻿Net income |  | $ | 817.3 |  | $ | 756.8 |  | $ | 674.9
﻿Weighted-average common shares outstanding |  |  | 359.8 |  |  | 360.7 |  |  | 362.9
﻿Dilutive effect of common share equivalents |  |  | 2.8 |  |  | 1.8 |  |  | 1.7
﻿Weighted-average common shares outstanding, assuming dilution |  |  | 362.6 |  |  | 362.5 |  |  | 364.6
﻿Diluted earnings per share |  | $ | 2.25 |  | $ | 2.09 |  | $ | 1.85
﻿Weighted-average anti-dilutive common share equivalents |  |  | 0.7 |  |  | 0.5 |  |  | 0.3
﻿

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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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