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Earnings Per Common Share (Tables) | 3 Months Ended
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Mar. 31, 2014
Schedule of Earnings Per Share Basic and Diluted |
|  | Three Months Ended |
|  | March 31, |
|  | 2014 |  |  | 2013 |
Numerator—basic and diluted |  |  |  |  |  |  |  |
Net income |  | $ | 18,117 |  |  | $ | 23,680 |
Denominator |  |  |  |  |  |  |  |
Weighted average number of common shares outstanding—basic |  |  | 39,438 |  |  |  | 39,403 |
Effect of dilutive stock options |  |  | 356 |  |  |  | 595 |
Effect of dilutive restricted shares |  |  | 663 |  |  |  | 622 |
Weighted average number of common shares outstanding—diluted |  |  | 40,457 |  |  |  | 40,620 |
Earnings per common share—basic |  | $ | 0.46 |  |  | $ | 0.60 |
Earnings per common share—diluted |  | $ | 0.45 |  |  | $ | 0.58 |
Antidilutive stock options and restricted shares |  |  | 3,177 |  |  |  | 3,486 |

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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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