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EARNINGS PER SHARE (Tables) | 6 Months Ended
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Jun. 30, 2021
Earnings Per Share [Abstract] |
Schedule of calculation of EPS | The following table sets forth the calculation of EPS for the three and six months ended June 30, 2021 and 2020 (in millions, except share and per share data):
|  | Three Months Ended June 30, |  | Six Months Ended June 30,
|  | 2021 |  | 2020 |  | 2021 |  | 2020
Weighted average basic common shares outstanding |  | 17,747,518 |  |  | 17,771,447 |  |  | 17,752,577 |  |  | 17,767,449 |
Dilutive effect of stock-based awards and employee stock purchases |  | 81,952 |  |  | 40,166 |  |  | 74,217 |  |  | 42,488 |
Weighted average dilutive common shares outstanding |  | 17,829,470 |  |  | 17,811,613 |  |  | 17,826,794 |  |  | 17,809,937 |
Basic: |  |  |  |  |  |  |  |
Net income |  | $ | 191.0 |  |  | $ | 30.2 |  |  | $ | 292.9 |  |  | $ | 60.0 |
Less: Earnings allocated to participating securities |  | 6.4 |  |  | 1.1 |  |  | 9.9 |  |  | 2.2 |
Net income available to basic common shares |  | $ | 184.5 |  |  | $ | 29.1 |  |  | $ | 283.0 |  |  | $ | 57.8 |
Basic earnings per common share |  | $ | 10.40 |  |  | $ | 1.64 |  |  | $ | 15.94 |  |  | $ | 3.25 |
Diluted: |  |  |  |  |  |  |  |
Net income |  | $ | 191.0 |  |  | $ | 30.2 |  |  | $ | 292.9 |  |  | $ | 60.0 |
Less: Earnings allocated to participating securities |  | 6.4 |  |  | 1.1 |  |  | 9.9 |  |  | 2.1 |
Net income available to diluted common shares |  | $ | 184.5 |  |  | $ | 29.1 |  |  | $ | 283.0 |  |  | $ | 57.8 |
Diluted earnings per common share |  | $ | 10.35 |  |  | $ | 1.63 |  |  | $ | 15.88 |  |  | $ | 3.25 |

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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/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257 + Details
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