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Earnings Per Share (Tables) | 3 Months Ended
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Mar. 31, 2015
Earnings Per Share [Abstract] |
Computation of basic and diluted earnings per share | The following table sets forth the computation of basic and diluted earnings per share (unaudited, in thousands, except per share data):
|  | Three Months Ended
|  | March 31,
|  | 2015 |  | 2014
Numerator: |  |  |  |
Income from continuing operations for calculating basic and diluted earnings per share |  | $ | 16,788 |  |  | $ | 22,954 |
Loss from discontinued operations |  | — |  |  | (272 | )
Net income for calculating basic and diluted earnings per share |  | $ | 16,788 |  |  | $ | 22,682 |
Denominator: |  |  |  |
Weighted-average common shares for calculating basic earnings per share |  | 28,402 |  |  | 28,952 |
Effect of dilutive securities: |  |  |  |
Stock options and nonvested awards |  | 218 |  |  | 390 |
Weighted-average common shares for calculating diluted earnings per share |  | 28,620 |  |  | 29,342 |
Basic earnings per share: |  |  |  |
Income from continuing operations |  | $ | 0.59 |  |  | $ | 0.79 |
Loss from discontinued operations |  | — |  |  | (0.01 | )
Net income per basic share |  | $ | 0.59 |  |  | $ | 0.78 |
Diluted earnings per share: |  |  |  |
Income from continuing operations |  | $ | 0.59 |  |  | $ | 0.78 |
Loss from discontinued operations |  | — |  |  | (0.01 | )
Net income per diluted share |  | $ | 0.59 |  |  | $ | 0.77 |

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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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