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Earnings Per Share (Tables) | 12 Months Ended
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Dec. 31, 2022
Earnings Per Share [Abstract] |
Schedule of Earnings (Loss) Per Share, Basic and Diluted | The following table sets forth the computation of basic and diluted earnings per share (in millions, except per share data).
| Years Ended December 31,
| 2022 |  | 2021 |  | 2020
Basic and diluted earnings per share: |  |  |  |  |
Numerator: |  |  |  |  |
Net income, basic and diluted | $ | 329.9 |  |  | $ | 224.1 |  |  | $ | 73.7 |
Denominator: |  |  |  |  |
Basic weighted average common shares | 29.6 |  |  | 29.6 |  |  | 29.1 |
Stock options, RSUs and PSUs | 0.6 |  |  | 0.8 |  |  | 0.3 |
Weighted average shares used to calculate diluted earnings per share | 30.2 |  |  | 30.4 |  |  | 29.4 |
Earnings per share: |  |  |  |  |
Basic | $ | 11.15 |  |  | $ | 7.57 |  |  | $ | 2.53 |
Diluted | $ | 10.92 |  |  | $ | 7.37 |  |  | $ | 2.51 |
Antidilutive stock options, RSUs and PSUs | 0.1 |  |  | — |  |  | 0.4 |

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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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