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Earnings per Share (Tables) | 3 Months Ended
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Mar. 31, 2017
Earnings Per Share [Abstract] |
Summary of Calculation of Basic and Diluted Earnings Per Share | A summary of the calculation of basic and diluted earnings per share for the three months ended March 31, 2017 and 2016 is as follows:
|  | Three Months Ended |
|  | March 31, |
(In thousands, except per share amounts) |  | 2017 |  |  | 2016 |
Numerator |  |  |  |  |  |  |  |
Net income |  | $ | 6,651 |  |  | $ | 5,014 |
Denominator |  |  |  |  |  |  |  |
Weighted average number of shares – basic |  |  | 48,430 |  |  |  | 49,220 |
Effect of dilutive securities |  |  |  |  |  |  |  |
Stock options |  |  | 416 |  |  |  | 120 |
PSUs, RSUs and restricted stock |  |  | 93 |  |  |  | 49 |
Weighted average number of shares – diluted |  |  | 48,939 |  |  |  | 49,389 |
Net income per share – basic |  | $ | 0.14 |  |  | $ | 0.10 |
Net income per share – diluted |  | $ | 0.14 |  |  | $ | 0.10 |

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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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