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Earnings Per Share (Tables) | 12 Months Ended
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Apr. 30, 2018
Earnings Per Share [Abstract] |
Computations Of Basic And Diluted Earnings Per Share | The computations of basic and diluted earnings per share from continuing operations are as follows:
(in 000s, except per share amounts) |
Year ended April 30, |  | 2018 |  |  | 2017 |  |  | 2016 |
Net income from continuing operations attributable to shareholders |  | $ | 626,909 |  |  | $ | 420,917 |  |  | $ | 383,553 |
Amounts allocated to participating securities |  | (1,492 | ) |  | (1,005 | ) |  | (718 | )
Net income from continuing operations attributable to common shareholders |  | $ | 625,417 |  |  | $ | 419,912 |  |  | $ | 382,835 |
Basic weighted average common shares |  | 208,824 |  |  | 212,809 |  |  | 249,009 |
Potential dilutive shares |  | 1,389 |  |  | 1,286 |  |  | 1,809 |
Dilutive weighted average common shares |  | 210,213 |  |  | 214,095 |  |  | 250,818 |
Earnings per share from continuing operations attributable to common shareholders: |  |  |  |  |  |
Basic |  | $ | 2.99 |  |  | $ | 1.97 |  |  | $ | 1.54 |
Diluted |  | 2.98 |  |  | 1.96 |  |  | 1.53 |

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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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