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Earnings Per Share | 12 Months Ended
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Dec. 31, 2022
Earnings Per Share [Abstract] |
Earnings Per Share | sic earnings per share are computed by dividing net income by the weighted-average number of common shares outstanding during the period. Diluted earnings per share are computed by dividing net income by the sum of the weighted-average number of shares and the number of equivalent shares assumed outstanding, if dilutive, under our stock-based compensation plans. The computations of basic and diluted earnings per share for Income from continuing operations were as follows (in millions, except per share data):
| For the Years Ended December 31,
| 2022 |  | 2021 |  | 2020
Net income | $ | 497.1 |  |  | $ | 464.0 |  |  | $ | 356.3 |
Add: Loss from discontinued operations | — |  |  | — |  |  | 0.8 |
Income from continuing operations | $ | 497.1 |  |  | $ | 464.0 |  |  | $ | 357.1 |
Weighted-average shares outstanding – basic | 35.7 |  |  | 37.2 |  |  | 38.3 |
Add: Potential effect of diluted securities attributable to stock-based payments | 0.1 |  |  | 0.3 |  |  | 0.3 |
Weighted-average shares outstanding – diluted | 35.8 |  |  | 37.5 |  |  | 38.6 |
Earnings per share - Basic: |  |  |  |  |
Income from continuing operations | $ | 13.92 |  |  | $ | 12.47 |  |  | $ | 9.32 |
Loss from discontinued operations | — |  |  | — |  |  | (0.02) |
Net income | $ | 13.92 |  |  | $ | 12.47 |  |  | $ | 9.30 |
Earnings per share - Diluted: |  |  |  |  |
Income from continuing operations | $ | 13.88 |  |  | $ | 12.39 |  |  | $ | 9.26 |
Loss from discontinued operations | — |  |  | — |  |  | (0.02) |
Net income | $ | 13.88 |  |  | $ | 12.39 |  |  | $ | 9.24 |
There were 0.3 million securities in 2022 that were outstanding but not included in the diluted earnings per share calculation as the assumed exercise of such rights would have been anti-dilutive.

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- Definition The entire disclosure for earnings per share. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=109243012&loc=SL65017193-207537 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -URI http://asc.fasb.org/topic&trid=2144383 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=124432515&loc=d3e3630-109257 + Details
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