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Earnings Per Share | 6 Months Ended
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Jun. 30, 2021
Earnings Per Share [Abstract] |
Earnings Per Share | EARNINGS PER SHARE The following table sets forth the computation of basic and diluted earnings per share from continuing operations for the three and six months ended June 30, 2021 and 2020 (in thousands, except per share data).
| Three Months Ended June 30, |  | Six Months Ended June 30, |
| 2021 |  | 2020 |  | 2021 |  | 2020 |
Numerator: |  |  |  |  |  |  |  |
Income from continuing operations | $ | 8,613 |  |  | $ | 21,479 |  |  | $ | 58,829 |  |  | $ | 58,341 |  |
Denominator: |  |  |  |  |  |  |  |
Basic |  |  |  |  |  |  |  |
Weighted average common shares outstanding | 52,874 |  |  | 54,142 |  |  | 53,119 |  |  | 54,356 |  |
Diluted |  |  |  |  |  |  |  |
Stock options (1) | 676 |  |  | 760 |  |  | 733 |  |  | 869 |  |
Restricted stock awards (1) | 182 |  |  | 146 |  |  | 220 |  |  | 222 |  |
Contingent shares (2) | 37 |  |  | 68 |  |  | 37 |  |  | 68 |  |
Diluted weighted average common shares outstanding (3) | 53,769 |  |  | 55,116 |  |  | 54,109 |  |  | 55,515 |  |
Basic earnings per share from continuing operations | $ | 0.16 |  |  | $ | 0.40 |  |  | $ | 1.11 |  |  | $ | 1.07 |  |
Diluted earnings per share from continuing operations | $ | 0.16 |  |  | $ | 0.39 |  |  | $ | 1.09 |  |  | $ | 1.05 |  |
(1)A total of 5 thousand stock-based awards were excluded from the calculation of diluted earnings per share for the six months ended June 30, 2021. We didn't exclude any stock-based awards from the calculation of diluted earnings per share for the three months ended June 30, 2021, as their effect was dilutive. A total of 400 thousand and 400 thousand stock-based awards were excluded from the calculation of diluted earnings per share for the three and six months ended June 30, 2020, respectively, as their effect would be anti-dilutive. (2)Contingent shares represent additional shares to be issued for purchase price earned by former owners of businesses acquired by us once future considerations have been met. Refer to Note 11, Business Combinations, for further details. (3)The denominator used in calculating diluted earnings per share did not include 447 thousand performance share units for both the three and six months ended June 30, 2021, and the denominator used in calculating diluted earnings per share did not include 324 thousand performance share units for both the three and six months ended June 30, 2020. The performance conditions associated with these performance share units were not met and consequently none of these performance share units were considered as issuable for the three and six months ended June 30, 2021 and 2020.

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