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Per Share Data and Stockholders' Equity (Tables) | 9 Months Ended
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Sep. 30, 2015
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 three and nine months ended September 30, 2015 and 2014:
|  | Three Months Ended September 30, 2015 |
|  |  |  |  |  | Income (Loss) |  |  | Income (Loss) |  |  |  |  |  |  |  |  |
|  |  |  |  |  | From Continuing |  |  | From Discontinued |  |  | Net |
|  |  |  |  |  | Operations |  |  | Operations |  |  | Income (Loss) |
|  | Weighted |  |  |  |  |  |  | Per |  |  |  |  |  |  | Per |  |  |  |  |  |  | Per |
|  | Average |  |  |  |  |  |  | Share |  |  |  |  |  |  | Share |  |  |  |  |  |  | Share |
|  | Shares |  |  | Amount |  |  | Amount |  |  | Amount |  |  | Amount |  |  | Amount |  |  | Amount |
|  | (In thousands, except per share amounts) |
Earnings (loss) and shares |  |  | 50,456 |  |  | $ | 27,103 |  |  |  |  |  |  | $ | (598 | ) |  |  |  |  |  | $ | 26,505 |  |  |  |  |
Effect of participating securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Non-vested restricted stock and restricted stock units |  |  |  |  |  |  | (13 | ) |  |  |  |  |  |  | - |  |  |  |  |  |  |  | (13 | ) |  |  |  |
Basic earnings (loss) and shares |  |  | 50,456 |  |  | $ | 27,090 |  |  | $ | 0.54 |  |  | $ | (598 | ) |  | $ | (0.01 | ) |  | $ | 26,492 |  |  | $ | 0.53 |
Effect of dilutive securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock compensation plans |  |  | 313 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Diluted earnings (loss) and shares |  |  | 50,769 |  |  | $ | 27,090 |  |  | $ | 0.53 |  |  | $ | (598 | ) |  | $ | (0.01 | ) |  | $ | 26,492 |  |  | $ | 0.52 |
|  | Three Months Ended September 30, 2014 |
|  |  |  |  |  | Income (Loss) |  |  | Income (Loss) |  |  |  |  |  |  |  |  |
|  |  |  |  |  | From Continuing |  |  | From Discontinued |  |  | Net |
|  |  |  |  |  | Operations |  |  | Operations |  |  | Income (Loss) |
|  | Weighted |  |  |  |  |  |  | Per |  |  |  |  |  |  | Per |  |  |  |  |  |  | Per |
|  | Average |  |  |  |  |  |  | Share |  |  |  |  |  |  | Share |  |  |  |  |  |  | Share |
|  | Shares |  |  | Amount |  |  | Amount |  |  | Amount |  |  | Amount |  |  | Amount |  |  | Amount |
|  | (In thousands, except per share amounts) |
Earnings (loss) and shares |  |  | 52,070 |  |  | $ | 24,557 |  |  |  |  |  |  | $ | 155 |  |  |  |  |  |  | $ | 24,712 |  |  |  |  |
Effect of participating securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Non-vested restricted stock and restricted stock units |  |  |  |  |  |  | (79 | ) |  |  |  |  |  |  | - |  |  |  |  |  |  |  | (79 | ) |  |  |  |
Basic earnings (loss) and shares |  |  | 52,070 |  |  | $ | 24,478 |  |  | $ | 0.47 |  |  | $ | 155 |  |  | $ | - |  |  | $ | 24,633 |  |  | $ | 0.47 |
Effect of dilutive securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock compensation plans |  |  | 483 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Diluted earnings (loss) and shares |  |  | 52,553 |  |  | $ | 24,478 |  |  | $ | 0.47 |  |  | $ | 155 |  |  | $ | - |  |  | $ | 24,633 |  |  | $ | 0.47 |
|  | Nine Months Ended September 30, 2015 |
|  |  |  |  |  | Income (Loss) |  |  | Income (Loss) |  |  |  |  |  |  |  |  |
|  |  |  |  |  | From Continuing |  |  | From Discontinued |  |  |  |  |  |  |  |  |
|  |  |  |  |  | Operations |  |  | Operations |  |  | Net Income (Loss) |
|  | Weighted |  |  |  |  |  |  | Per |  |  |  |  |  |  | Per |  |  |  |  |  |  | Per |
|  | Average |  |  |  |  |  |  | Share |  |  |  |  |  |  | Share |  |  |  |  |  |  | Share |
|  | Shares |  |  | Amount |  |  | Amount |  |  | Amount |  |  | Amount |  |  | Amount |  |  | Amount |
|  | (In thousands, except per share amounts) |
Earnings (loss) and shares |  |  | 50,697 |  |  | $ | 56,584 |  |  |  |  |  |  | $ | (1,331 | ) |  |  |  |  |  | $ | 55,253 |  |  |  |  |
Effect of participating securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Non-vested restricted stock and restricted stock units |  |  |  |  |  |  | (27 | ) |  |  |  |  |  |  | - |  |  |  |  |  |  |  | (27 | ) |  |  |  |
Basic earnings (loss) and shares |  |  | 50,697 |  |  | $ | 56,557 |  |  | $ | 1.12 |  |  | $ | (1,331 | ) |  | $ | (0.03 | ) |  | $ | 55,226 |  |  | $ | 1.09 |
Effect of dilutive securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock compensation plans |  |  | 389 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Diluted earnings (loss) and shares |  |  | 51,086 |  |  | $ | 56,557 |  |  | $ | 1.11 |  |  | $ | (1,331 | ) |  | $ | (0.03 | ) |  | $ | 55,226 |  |  | $ | 1.08 |
|  | Nine Months Ended September 30, 2014 |
|  |  |  |  |  | Income (Loss) |  |  | Income (Loss) |  |  |  |  |  |  |  |  |
|  |  |  |  |  | From Continuing |  |  | From Discontinued |  |  |  |  |  |  |  |  |
|  |  |  |  |  | Operations |  |  | Operations |  |  | Net Income (Loss) |
|  | Weighted |  |  |  |  |  |  | Per |  |  |  |  |  |  | Per |  |  |  |  |  |  | Per |
|  | Average |  |  |  |  |  |  | Share |  |  |  |  |  |  | Share |  |  |  |  |  |  | Share |
|  | Shares |  |  | Amount |  |  | Amount |  |  | Amount |  |  | Amount |  |  | Amount |  |  | Amount |
|  | (In thousands, except per share amounts) |
Earnings (loss) and shares |  |  | 52,333 |  |  | $ | 71,602 |  |  |  |  |  |  | $ | (511 | ) |  |  |  |  |  | $ | 71,091 |  |  |  |  |
Effect of participating securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Non-vested restricted stock and restricted stock units |  |  |  |  |  |  | (229 | ) |  |  |  |  |  |  | - |  |  |  |  |  |  |  | (229 | ) |  |  |  |
Basic earnings (loss) and shares |  |  | 52,333 |  |  | $ | 71,373 |  |  | $ | 1.36 |  |  | $ | (511 | ) |  | $ | (0.01 | ) |  | $ | 70,862 |  |  | $ | 1.35 |
Effect of dilutive securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock compensation plans |  |  | 475 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Diluted earnings (loss) and shares |  |  | 52,808 |  |  | $ | 71,373 |  |  | $ | 1.35 |  |  | $ | (511 | ) |  | $ | (0.01 | ) |  | $ | 70,862 |  |  | $ | 1.34 |

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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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