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Earnings (Loss) Per Share (Tables) | 6 Months Ended
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Jan. 31, 2019
Earnings (Loss) Per Share [Abstract] |
Schedule of weighted-average number of shares used in the calculation of basic and diluted earnings (loss) per share |
|  | Three Months Ended January 31, |  |  | Six Months Ended January 31, |
|  | 2019 |  |  | 2018 |  |  | 2019 |  |  | 2018 |
|  | (in thousands) |
Basic weighted-average number of shares |  |  | 24,816 |  |  |  | 24,643 |  |  |  | 24,323 |  |  |  | 24,635 |
Effect of dilutive securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock options |  |  | — |  |  |  | 10 |  |  |  | — |  |  |  | — |
Non-vested restricted Class B common stock |  |  | 5 |  |  |  | 71 |  |  |  | — |  |  |  | — |
Diluted weighted-average number of shares |  |  | 24,821 |  |  |  | 24,724 |  |  |  | 24,323 |  |  |  | 24,635 |
Summary of shares excluded from the diluted earnings per share |
|  | Three Months Ended January 31, |  |  | Six Months Ended January 31, |
|  | 2019 |  |  | 2018 |  |  | 2019 |  |  | 2018 |
|  | (in thousands) |
Stock options |  |  | 1,243 |  |  |  | 1,160 |  |  |  | 1,243 |  |  |  | 1,273 |
Non-vested restricted Class B common stock |  |  | — |  |  |  | — |  |  |  | 20 |  |  |  | 191 |
Shares excluded from the calculation of diluted earnings per share |  |  | 1,243 |  |  |  | 1,160 |  |  |  | 1,263 |  |  |  | 1,464 |

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- Definition Tabular disclosure of securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) in the future that were not included in the computation of diluted EPS because to do so would increase EPS amounts or decrease loss per share amounts for the period presented, by antidilutive securities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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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://fasb.org/us-gaap/role/ref/legacyRef -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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