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Earnings Per Share (Tables) | 3 Months Ended
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Mar. 31, 2015
Earnings Per Share [Abstract] |
Computation of basic and diluted earnings per share | The following table sets forth the computation of basic and diluted earnings per share:
|  | Three Months Ended |
|  | March 31 |
(in thousands except per share data) |  | 2015 |  |  | 2014 |
Numerator: |  |  |  |  |  |
Net income |  | $ | 10,938 |  |  | $ | 10,140 |
Denominator: |  |  |  |  |  |  |  |
Basic earnings per share: |  |  |  |  |  |  |  |
Weighted average shares |  |  | 17,400 |  |  |  | 17,308 |
Diluted earnings per share: |  |  |  |  |  |  |  |
Effect of dilutive stock options and restricted stock grants |  |  | 51 |  |  |  | 95 |
Adjusted weighted average shares |  |  | 17,451 |  |  |  | 17,403 |
Earnings per share: |  |  |  |  |  |  |  |
Basic earnings per share |  | $ | 0.63 |  |  | $ | 0.59 |
Diluted earnings per share |  |  | 0.63 |  |  |  | 0.58 |

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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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