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Income Per Share | 9 Months Ended
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Sep. 30, 2018
Earnings Per Share [Abstract] |
Income Per Share | 3. 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,
|  | 2018 |  | 2017 |  | 2018 |  | 2017
Weighted average shares outstanding - basic |  | 51,325 |  | 51,191 |  | 51,281 |  | 51,131
Effect of dilutive stock-based compensation |  | 194 |  | 185 |  | 195 |  | 200
Weighted average shares outstanding - diluted |  | 51,519 |  | 51,376 |  | 51,476 |  | 51,331

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