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Net Income Per Share (Tables) | 12 Months Ended
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Jul. 31, 2017
Earnings Per Share [Abstract] |
Schedule of reconciliation of basic weighted shares outstanding to diluted weighted average shares outstanding | The table below reconciles basic weighted shares outstanding to diluted weighted average shares outstanding:
|  | Year Ended July 31,
(In thousands) |  | 2017 |  | 2016 |  | 2015
Weighted average common shares outstanding |  | 228,686 |  |  | 228,846 |  |  | 251,829 |
Effect of dilutive securities — stock options |  | 8,333 |  |  | 15,449 |  |  | 11,022 |
Weighted average common and dilutive potential common shares outstanding |  | 237,019 |  |  | 244,295 |  |  | 262,851 |

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- Definition Tabular disclosure of the weighted average number of shares used in calculating basic net earnings per share (or unit) and diluted earnings per share (or unit). + 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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