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Basic and Diluted Earnings Per Share (Tables) | 3 Months Ended
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Jul. 31, 2014
Basic And Diluted Earnings Per Share | The following table summarizes basic and diluted earnings per share calculations:
|  | Three Months Ended July 31, |
|  | 2014 |  |  | 2013 |
|  | (in thousands, except per share data) |
Net earnings attributable to common stockholders |  | $ | 14,533 |  |  | $ | 11,417 |
Weighted-average common shares outstanding: |  |  |  |  |  |  |  |
Basic weighted-average number of common shares outstanding |  |  | 48,703 |  |  |  | 47,665 |
Effect of dilutive securities: |  |  |  |  |  |  |  |
Restricted stock |  |  | 756 |  |  |  | 659 |
Stock options |  |  | 132 |  |  |  | 195 |
Diluted weighted-average number of common shares outstanding |  |  | 49,591 |  |  |  | 48,519 |
Net earnings per common share: |  |  |  |  |  |  |  |
Basic earnings per share |  | $ | 0.30 |  |  | $ | 0.24 |
Diluted earnings per share |  | $ | 0.29 |  |  | $ | 0.24 |

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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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