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Per Share Data and Stockholders' Equity (Tables) | 6 Months Ended
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Jun. 30, 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 second quarter and six-month periods ended June 30, 2014 and 2013:
|  | Second Quarter Ended June 30, 2014 |
|  |  |  |  | Income (Loss) From Continuing Operations |  |  | Income (Loss) From Discontinued 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 |  |  | 52,514 |  |  | $ | 27,061 |  |  |  |  |  |  | $ | (68 | ) |  |  |  |  |  | $ | 26,993 |  |  |  |  |
Effect of participating securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Non-vested restricted stock and restricted stock units |  |  |  |  |  |  | (87 | ) |  |  |  |  |  |  | — |  |  |  |  |  |  |  | (87 | ) |  |  |  |
Basic earnings (loss) and shares |  |  | 52,514 |  |  | $ | 26,974 |  |  | $ | 0.51 |  |  | $ | (68 | ) |  | $ | — |  |  | $ | 26,906 |  |  | $ | 0.51 |
Effect of dilutive securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock compensation plans |  |  | 416 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Diluted earnings (loss) and shares |  |  | 52,930 |  |  | $ | 26,974 |  |  | $ | 0.51 |  |  | $ | (68 | ) |  | $ | — |  |  | $ | 26,906 |  |  | $ | 0.51 |
|  | Second Quarter Ended June 30, 2013 |
|  |  |  |  | Income (Loss) From Continuing Operations |  |  | Income (Loss) From Discontinued 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 |  |  | 52,597 |  |  | $ | 8,717 |  |  |  |  |  |  | $ | 199 |  |  |  |  |  |  | $ | 8,916 |  |  |  |  |
Effect of participating securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Non-vested restricted stock and restricted stock units |  |  |  |  |  |  | (63 | ) |  |  |  |  |  |  | — |  |  |  |  |  |  |  | (63 | ) |  |  |  |
Basic earnings (loss) and shares |  |  | 52,597 |  |  | $ | 8,654 |  |  | $ | 0.16 |  |  | $ | 199 |  |  | $ | 0.01 |  |  | $ | 8,853 |  |  | $ | 0.17 |
Effect of dilutive securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock compensation plans |  |  | 345 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Diluted earnings (loss) and shares |  |  | 52,942 |  |  | $ | 8,654 |  |  | $ | 0.16 |  |  | $ | 199 |  |  | $ | 0.01 |  |  | $ | 8,853 |  |  | $ | 0.17 |
|  | Six Months Ended June 30, 2014 |
|  |  |  |  | Income (Loss) From Continuing Operations |  |  | Income (Loss) From Discontinued 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 |  |  | 52,466 |  |  | $ | 47,045 |  |  |  |  |  |  | $ | (666 | ) |  |  |  |  |  | $ | 46,379 |  |  |  |  |
Effect of participating securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Non-vested restricted stock and restricted stock units |  |  |  |  |  |  | (151 | ) |  |  |  |  |  |  | — |  |  |  |  |  |  |  | (151 | ) |  |  |  |
Basic earnings (loss) and shares |  |  | 52,466 |  |  | $ | 46,894 |  |  | $ | 0.89 |  |  | $ | (666 | ) |  | $ | (0.01 | ) |  | $ | 46,228 |  |  | $ | 0.88 |
Effect of dilutive securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock compensation plans |  |  | 472 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Diluted earnings (loss) and shares |  |  | 52,938 |  |  | $ | 46,894 |  |  | $ | 0.89 |  |  | $ | (666 | ) |  | $ | (0.02 | ) |  | $ | 46,228 |  |  | $ | 0.87 |
|  | Six Months Ended June 30, 2013 |
|  |  |  |  | Income (Loss) From Continuing Operations |  |  | Income (Loss) From Discontinued 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 |  |  | 52,591 |  |  | $ | 30,415 |  |  |  |  |  |  | $ | (208 | ) |  |  |  |  |  | $ | 30,207 |  |  |  |  |
Effect of participating securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Non-vested restricted stock and restricted stock units |  |  |  |  |  |  | (229 | ) |  |  |  |  |  |  | — |  |  |  |  |  |  |  | (229 | ) |  |  |  |
Basic earnings (loss) and shares |  |  | 52,591 |  |  | $ | 30,186 |  |  | $ | 0.57 |  |  | $ | (208 | ) |  | $ | — |  |  | $ | 29,978 |  |  | $ | 0.57 |
Effect of dilutive securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock compensation plans |  |  | 346 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Diluted earnings (loss) and shares |  |  | 52,937 |  |  | $ | 30,186 |  |  | $ | 0.57 |  |  | $ | (208 | ) |  | $ | — |  |  | $ | 29,978 |  |  | $ | 0.57 |

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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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