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Earnings Per Share (Tables) | 9 Months Ended
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Sep. 30, 2020
Earnings Per Share [Abstract] |
Computation of basic and diluted net income per common share | The following table shows the computation of our basic and diluted net income per common share (in millions, except per share amounts):
| Three Months Ended September 30 |  | Nine Months Ended September 30
| 2020 |  | 2019 |  | 2020 |  | 2019
Numerator: |  |  |  |  |  |  |
Net income from continuing operations | $ | 48.2 |  |  | $ | 37.2 |  |  | $ | 132.4 |  |  | $ | 138.7 |
Net (loss) income from discontinued operations | (0.3) |  |  | 7.9 |  |  | 1.1 |  |  | 15.9 |
Net income | $ | 47.9 |  |  | $ | 45.1 |  |  | $ | 133.5 |  |  | $ | 154.6 |
Denominator: |  |  |  |  |  |  |
Weighted-average shares outstanding - basic | 35.0 |  |  | 35.4 |  |  | 34.9 |  |  | 35.9 |
Effect of dilutive securities: |  |  |  |  |  |  |
Equity compensation plans | 0.4 |  |  | 0.6 |  |  | 0.5 |  |  | 0.7 |
Weighted-average shares outstanding - diluted | 35.4 |  |  | 36.0 |  |  | 35.4 |  |  | 36.6 |
Basic earnings per share from continuing operations | $ | 1.38 |  |  | $ | 1.05 |  |  | $ | 3.79 |  |  | $ | 3.86 |
Basic earnings per share from discontinued operations | (0.01) |  |  | 0.23 |  |  | 0.03 |  |  | 0.44 |
Basic earnings per share from consolidated operations | $ | 1.37 |  |  | $ | 1.28 |  |  | $ | 3.82 |  |  | $ | 4.30 |
Diluted earnings per share from continuing operations | $ | 1.36 |  |  | $ | 1.03 |  |  | $ | 3.74 |  |  | $ | 3.79 |
Diluted earnings per share from discontinued operations | (0.01) |  |  | 0.22 |  |  | 0.03 |  |  | 0.43 |
Diluted earnings per share from consolidated operations | $ | 1.35 |  |  | $ | 1.25 |  |  | $ | 3.77 |  |  | $ | 4.22 |

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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=6371337&loc=d3e3550-109257 + Details
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