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Earnings Per Common Share (Tables) | 12 Months Ended
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Dec. 31, 2014
Earnings Per Share [Abstract] |
Earnings Per Common Share | Summarized basic and diluted earnings per common share were calculated as follows:
|  | Net Earnings |  | Weighted Average Shares |  | Per Share
|  | (In thousands, except per share data)
Year Ended December 31, 2014 |  |  |  |  |  |
Basic earnings per common share |  | $ | 96,422 |  |  | 52,850 |  |  | $ | 1.82 |
Effect of dilutive stock options |  | — |  |  | 276 |  |  |
Diluted earnings per common share |  | $ | 96,422 |  |  | 53,126 |  |  | $ | 1.81 |
|  | Net Earnings |  | Weighted Average Shares |  | Per Share
|  | (In thousands, except per share data)
Year Ended December 31, 2013 |  |  |  |  |  |
Basic earnings per common share |  | $ | 128,757 |  |  | 54,804 |  |  | $ | 2.35 |
Effect of dilutive stock options |  | — |  |  | 358 |  |  |
Diluted earnings per common share |  | $ | 128,757 |  |  | 55,162 |  |  | $ | 2.33 |
|  | Net Earnings |  | Weighted Average Shares |  | Per Share
|  | (In thousands, except per share data)
Year Ended December 31, 2012 |  |  |  |  |  |
Basic earnings per common share |  | $ | 180,018 |  |  | 58,913 |  |  | $ | 3.06 |
Effect of dilutive stock options |  | — |  |  | 492 |  |  |
Diluted earnings per common share |  | $ | 180,018 |  |  | 59,405 |  |  | $ | 3.03 |

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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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