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Earnings Per Share (Tables) | 12 Months Ended
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Dec. 31, 2023
Earnings Per Share [Abstract] |
Schedule of Net Income Per Share | Earnings per share were calculated as follows:
| Year Ended December 31,
(in millions, except per share data) | 2023 |  | 2022 |  | 2021
Net income - basic and diluted | $ | 249.7 |  |  | $ | 154.5 |  |  | $ | 89.6 |
Weighted-average common shares outstanding: |  |  |  |  |
Basic | 97.7 |  |  | 95.8 |  |  | 94.6 |
Effect of dilutive securities | 3.3 |  | 3.1 |  | 3.3
Diluted | 101.0 |  |  | 98.9 |  |  | 97.9 |
Earnings per share: |  |  |  |  |
Basic | $ | 2.56 |  |  | $ | 1.61 |  |  | $ | 0.95 |
Diluted | $ | 2.47 |  |  | $ | 1.56 |  |  | $ | 0.92 |

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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 -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482662/260-10-50-1 + Details
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