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Net Income Per Share (Tables) | 6 Months Ended
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Jan. 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 average shares outstanding to diluted weighted average shares outstanding:
|  | Three Months Ended January 31, |  | Six Months Ended January 31,
(In thousands) |  | 2017 |  | 2016 |  | 2017 |  | 2016
Weighted average common shares outstanding |  | 114,571 |  |  | 117,306 |  |  | 113,644 |  |  | 118,731 |
Effect of dilutive securities - stock options |  | 3,223 |  |  | 7,306 |  |  | 4,692 |  |  | 7,147 |
Weighted average common and dilutive potential common shares outstanding |  | 117,794 |  |  | 124,612 |  |  | 118,336 |  |  | 125,878 |

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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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