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Net Income per Common Share (Tables) | 3 Months Ended
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Oct. 31, 2015
Earnings Per Share [Abstract] |
Reconciliations of Numerator and Denominator of Basic and Diluted Per Share | Reconciliations of the numerator and denominator of the basic and diluted per share computations for the Company’s Class A and Class B common stock are summarized as follows:
| Three months ended October 31,
| 2015 |  | 2014
Numerator: (in thousands) |  |  |
Earnings from continuing operations (Numerator for basic and diluted Class A Nonvoting Common Share) | $ | 18,703 |  |  | $ | 15,499 |
Less: |  |  |
Preferential dividends | (783 | ) |  | (794 | )
Preferential dividends on dilutive stock options | (1 | ) |  | (1 | )
Numerator for basic and diluted earnings from continuing operations per Class B Voting Common Share | $ | 17,919 |  |  | $ | 14,704 |
Denominator: (in thousands) |  |  |
Denominator for basic earnings from continuing operations per share for both Class A and Class B | 51,029 |  |  | 51,251 |
Plus: Effect of dilutive stock options | 60 |  |  | 62 |
Denominator for diluted earnings from continuing operations per share for both Class A and Class B | 51,089 |  |  | 51,313 |
Earnings from continuing operations per Class A Nonvoting Common Share: |  |  |
Basic | $ | 0.37 |  |  | $ | 0.30 |
Diluted | $ | 0.37 |  |  | $ | 0.30 |
Earnings from continuing operations per Class B Voting Common Share: |  |  |
Basic | $ | 0.35 |  |  | $ | 0.29 |
Diluted | $ | 0.35 |  |  | $ | 0.29 |
Loss from discontinued operations per Class A Nonvoting Common Share: |  |  |
Basic | $ | — |  |  | $ | (0.03 | )
Diluted | $ | — |  |  | $ | (0.04 | )
Loss from discontinued operations per Class B Voting Common Share: |  |  |
Basic | $ | — |  |  | $ | (0.04 | )
Diluted | $ | — |  |  | $ | (0.04 | )
Net earnings per Class A Nonvoting Common Share: |  |  |
Basic | $ | 0.37 |  |  | $ | 0.27 |
Diluted | $ | 0.37 |  |  | $ | 0.26 |
Net earnings per Class B Voting Common Share: |  |  |
Basic | $ | 0.35 |  |  | $ | 0.25 |
Diluted | $ | 0.35 |  |  | $ | 0.25 |

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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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