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Earnings Per Share (Tables) | 9 Months Ended
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Sep. 30, 2017
Earnings Per Share [Abstract] |
Reconciliation of Basic and Diluted Earnings Per Share | The following is a reconciliation of the basic and diluted earnings per share computation:
|  | Three Months Ended September 30, |  |  | Nine Months Ended September 30, |
|  | 2017 |  |  | 2016 |  |  | 2017 |  |  | 2016 |
Net income |  | $ | 7,976 |  |  | $ | 7,955 |  |  | $ | 26,961 |  |  | $ | 23,678 |
|  | (shares in thousands) |  |  | (shares in thousands) |
Shares of common stock and common stock equivalents: |  |  |  |  |  |  |  |
Weighted average common shares used in basic computation |  |  | 134,709 |  |  |  | 134,046 |  |  |  | 134,552 |  |  |  | 134,541 |
Dilutive effect of common stock equivalents |  |  | 1,224 |  |  |  | 1,144 |  |  |  | 1,216 |  |  |  | 1,042 |
Weighted average common shares used in dilutive computation |  |  | 135,933 |  |  |  | 135,190 |  |  |  | 135,768 |  |  |  | 135,583 |
Basic earnings per share |  | $ | 0.06 |  |  | $ | 0.06 |  |  | $ | 0.20 |  |  | $ | 0.17 |
Diluted earnings per share |  | $ | 0.06 |  |  | $ | 0.06 |  |  | $ | 0.20 |  |  | $ | 0.17 |

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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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