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EARNINGS PER SHARE | 6 Months Ended
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Jun. 30, 2021
EARNINGS PER SHARE |
EARNINGS PER SHARE | NOTE 3 — EARNINGS PER SHARE The following table sets forth the computation of basic and diluted earnings per share: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended June 30, | ​ | Six Months Ended June 30,
​ |  | 2021 |  | 2020 |  | 2021 |  | 2020
Numerator: |  | ​ | ​ |  | ​ |  |  | ​ |  |  | ​ |
Net income | ​ | $ | 96,105 | ​ | $ | 26,996 | ​ | $ | 170,282 | ​ | $ | 82,558
Denominator (shares in 000's): | ​ |  | ​ | ​ |  | ​ | ​ |  | ​ | ​ |  | ​
Basic weighted average shares outstanding | ​ |  | 59,464 | ​ |  | 59,354 | ​ |  | 59,553 | ​ |  | 59,769
Effect of dilutive securities - Stock options and awards | ​ |  | 700 | ​ |  | 477 | ​ |  | 676 | ​ |  | 531
Diluted weighted average shares outstanding | ​ |  | 60,164 | ​ |  | 59,831 | ​ |  | 60,229 | ​ |  | 60,300
Basic earnings per share | ​ | $ | 1.62 | ​ | $ | 0.45 | ​ | $ | 2.86 | ​ | $ | 1.38
Diluted earnings per share | ​ | $ | 1.60 | ​ | $ | 0.45 | ​ | $ | 2.83 | ​ | $ | 1.37
​ For the three months ended June 30, 2021 and 2020, common shares subject to equity-based awards of 179,861 and 852,159, respectively, were excluded from the computation of diluted earnings per share because the effect of their exercise would be anti-dilutive. For the six months ended June 30, 2021 and 2020, common shares subject to equity-based awards of 134,388 and 779,404, respectively, were excluded from the computation of diluted earnings per share because the effect of their exercise would be anti-dilutive.

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