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Income Per Share | 9 Months Ended
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Sep. 30, 2017
Earnings Per Share [Abstract] |
Income Per Share | 2. INCOME PER SHARE: The weighted average number of common shares outstanding is calculated as follows (in thousands):
|  | Three Months Ended |  |  | Nine Months Ended |
|  | September 30, |  |  | September 30, |
|  | 2017 |  |  | 2016 |  |  | 2017 |  |  | 2016 |
Weighted average shares outstanding—basic |  |  | 51,191 |  |  |  | 51,004 |  |  |  | 51,131 |  |  |  | 51,009 |
Effect of dilutive stock-based compensation |  |  | 185 |  |  |  | 266 |  |  |  | 200 |  |  |  | 270 |
Weighted average shares outstanding—diluted |  |  | 51,376 |  |  |  | 51,270 |  |  |  | 51,331 |  |  |  | 51,279 |

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- Definition The entire disclosure for earnings per share. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -URI http://asc.fasb.org/topic&trid=2144383 + Details
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