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Net Income per Common Share (Tables) | 6 Months Ended
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Jan. 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 January 31, |  | Six months ended January 31,
| 2015 |  | 2014 |  | 2015 |  | 2014
Numerator: (in thousands) |  |  |  |  |  |  |
Earnings from continuing operations | $ | 11,584 |  |  | $ | 10,517 |  |  | $ | 27,083 |  |  | $ | 28,652 |
Less: |  |  |  |  |  |  |
Restricted stock dividends | — |  |  | (16 | ) |  | — |  |  | (61 | )
Numerator for basic and diluted earnings from continuing operations per Class A Nonvoting Common Share | $ | 11,584 |  |  | $ | 10,501 |  |  | $ | 27,083 |  |  | $ | 28,591 |
Less: |  |  |  |  |  |  |
Preferential dividends | — |  |  | — |  |  | (794 | ) |  | (813 | )
Preferential dividends on dilutive stock options | — |  |  | — |  |  | (1 | ) |  | (6 | )
Numerator for basic and diluted earnings from continuing operations per Class B Voting Common Share | $ | 11,584 |  |  | $ | 10,501 |  |  | $ | 26,288 |  |  | $ | 27,772 |
Denominator: (in thousands) |  |  |  |  |  |  |
Denominator for basic earnings from continuing operations per share for both Class A and Class B | 51,272 |  |  | 52,208 |  |  | 51,262 |  |  | 52,140 |
Plus: Effect of dilutive stock options | 76 |  |  | 286 |  |  | 68 |  |  | 317 |
Denominator for diluted earnings from continuing operations per share for both Class A and Class B | 51,348 |  |  | 52,494 |  |  | 51,330 |  |  | 52,457 |
Earnings from continuing operations per Class A Nonvoting Common Share: |  |  |  |  |  |  |
Basic | $ | 0.23 |  |  | $ | 0.20 |  |  | $ | 0.53 |  |  | $ | 0.55 |
Diluted | $ | 0.23 |  |  | $ | 0.20 |  |  | $ | 0.53 |  |  | $ | 0.55 |
Earnings from continuing operations per Class B Voting Common Share: |  |  |  |  |  |  |
Basic | $ | 0.23 |  |  | $ | 0.20 |  |  | $ | 0.51 |  |  | $ | 0.53 |
Diluted | $ | 0.23 |  |  | $ | 0.20 |  |  | $ | 0.51 |  |  | $ | 0.53 |
(Loss) earnings from discontinued operations per Class A Nonvoting Common Share: |  |  |  |  |  |  |
Basic | $ | — |  |  | $ | 0.11 |  |  | $ | (0.04 | ) |  | $ | 0.22 |
Diluted | $ | — |  |  | $ | 0.11 |  |  | $ | (0.04 | ) |  | $ | 0.22 |
(Loss) earnings from discontinued operations per Class B Voting Common Share: |  |  |  |  |  |  |
Basic | $ | — |  |  | $ | 0.11 |  |  | $ | (0.03 | ) |  | $ | 0.23 |
Diluted | $ | — |  |  | $ | 0.11 |  |  | $ | (0.04 | ) |  | $ | 0.22 |
Net earnings per Class A Nonvoting Common Share: |  |  |  |  |  |  |
Basic | $ | 0.23 |  |  | $ | 0.31 |  |  | $ | 0.49 |  |  | $ | 0.77 |
Diluted | $ | 0.23 |  |  | $ | 0.31 |  |  | $ | 0.49 |  |  | $ | 0.77 |
Net earnings per Class B Voting Common Share: |  |  |  |  |  |  |
Basic | $ | 0.23 |  |  | $ | 0.31 |  |  | $ | 0.48 |  |  | $ | 0.76 |
Diluted | $ | 0.23 |  |  | $ | 0.31 |  |  | $ | 0.47 |  |  | $ | 0.75 |

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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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