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Earnings Per Share (Tables) | 6 Months Ended
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Jun. 30, 2022
Earnings Per Share [Abstract] |
Schedule of Earnings Per Share, Basic and Diluted | The following table shows the calculation of basic and diluted earnings per share (in millions, except per share data).
| Three Months Ended |  | Six Months Ended |  |
| June 30, |  | June 30, |  |
| 2022 |  | 2021 |  | 2022 |  | 2021 |  |  |  |
Income from continuing operations | $ | 72.6 |  |  | $ | 57.3 |  |  | $ | 140.2 |  |  | $ | 100.1 |  |  |  |  |
Income (loss) from discontinued operations, net of income taxes | (0.1) |  |  | 6.9 |  |  | (0.9) |  |  | 12.8 |  |  |  |  |
Net income | $ | 72.5 |  |  | $ | 64.2 |  |  | $ | 139.3 |  |  | $ | 112.9 |  |  |  |  |
Weighted-average number of common shares outstanding — basic | 51.0 |  |  | 53.2 |  |  | 51.3 |  |  | 53.1 |  |  |  |  |
Dilutive effect of common share equivalents | 0.6 |  |  | 0.7 |  |  | 0.7 |  |  | 0.7 |  |  |  |  |
Weighted-average number of common shares and share equivalents outstanding — diluted | 51.6 |  |  | 53.9 |  |  | 52.0 |  |  | 53.8 |  |  |  |  |
Basic earnings per share: |  |  |  |  |  |  |  |  |  |  |
Continuing operations | $ | 1.42 |  |  | $ | 1.08 |  |  | $ | 2.73 |  |  | $ | 1.89 |  |  |  |  |
Discontinued operations | — |  |  | 0.13 |  |  | (0.01) |  |  | 0.24 |  |  |  |  |
| $ | 1.42 |  |  | $ | 1.21 |  |  | $ | 2.72 |  |  | $ | 2.13 |  |  |  |  |
Diluted earnings per share: |  |  |  |  |  |  |  |  |  |  |
Continuing operations | $ | 1.41 |  |  | $ | 1.06 |  |  | $ | 2.70 |  |  | $ | 1.86 |  |  |  |  |
Discontinued operations | — |  |  | 0.13 |  |  | (0.01) |  |  | 0.24 |  |  |  |  |
| $ | 1.41 |  |  | $ | 1.19 |  |  | $ | 2.69 |  |  | $ | 2.10 |  |  |  |  |

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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 https://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257 + Details
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