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Per Share Data and Stockholders' Equity (Tables) | 3 Months Ended
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Mar. 31, 2014
Earnings Per Share [Abstract] |
Dilutive Effect on Earnings Per Share | The following table illustrates the dilutive effect of such items on earnings per share for the first quarters ended March 31, 2014 and 2013:
|  | First Quarter Ended March 31, 2014 |
|  |  |  |  | Income (Loss) |  |  | Income (Loss) |  |  |  |  |  |  |
|  |  |  |  | From Continuing |  |  | From Discontinued |  |  |  |  |  |  |
|  |  |  |  | Operations |  |  | Operations |  |  | Net Income (Loss) |
|  | Weighted Average Shares |  |  | Amount |  |  | Per Share Amount |  |  | Amount |  |  | Per Share Amount |  |  | Amount |  |  | Per Share Amount |
|  | (In thousands, except per share amounts) |
Earnings (loss) and shares |  |  | 52,418 |  |  | $ | 19,984 |  |  |  |  |  |  | $ | (598 | ) |  |  |  |  |  | $ | 19,386 |  |  |  |  |
Effect of participating securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Non-vested restricted stock and stock units |  |  |  |  |  |  | (63 | ) |  |  |  |  |  |  | 0 |  |  |  |  |  |  |  | (63 | ) |  |  |  |
Basic earnings (loss) and shares |  |  | 52,418 |  |  | $ | 19,921 |  |  | $ | 0.38 |  |  | $ | (598 | ) |  | $ | (0.01 | ) |  | $ | 19,323 |  |  | $ | 0.37 |
Effect of dilutive securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock compensation plans |  |  | 528 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Diluted earnings (loss) and shares |  |  | 52,946 |  |  | $ | 19,921 |  |  | $ | 0.38 |  |  | $ | (598 | ) |  | $ | (0.02 | ) |  | $ | 19,323 |  |  | $ | 0.36 |
|  | First Quarter Ended March 31, 2013 |
|  |  |  |  | Income (Loss) |  |  | Income (Loss) |  |  |  |  |  |  |
|  |  |  |  | From Continuing |  |  | From Discontinued |  |  |  |  |  |  |
|  |  |  |  | Operations |  |  | Operations |  |  | Net Income (Loss) |
|  | Weighted Average Shares |  |  | Amount |  |  | Per Share Amount |  |  | Amount |  |  | Per Share Amount |  |  | Amount |  |  | Per Share Amount |
|  | (In thousands, except per share amounts) |
Earnings (loss) and shares |  |  | 52,586 |  |  | $ | 21,697 |  |  |  |  |  |  | $ | (406 | ) |  |  |  |  |  | $ | 21,291 |  |  |  |  |
Effect of participating securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Non-vested restricted stock and stock units |  |  |  |  |  |  | (170 | ) |  |  |  |  |  |  | — |  |  |  |  |  |  |  | (170 | ) |  |  |  |
Basic earnings (loss) and shares |  |  | 52,586 |  |  | $ | 21,527 |  |  | $ | 0.41 |  |  | $ | (406 | ) |  | $ | (0.01 | ) |  | $ | 21,121 |  |  | $ | 0.40 |
Effect of dilutive securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock compensation plans |  |  | 345 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Diluted earnings (loss) and shares |  |  | 52,931 |  |  | $ | 21,527 |  |  | $ | 0.41 |  |  | $ | (406 | ) |  | $ | (0.01 | ) |  | $ | 21,121 |  |  | $ | 0.40 |

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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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