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Earnings Per Share (Tables) | 3 Months Ended
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Mar. 31, 2024
Earnings Per Share [Abstract] |
Computation of Basic and Diluted Earnings per Share |
|  |  | Three Months Ended
|  |  | March 31,
(in millions, except per share data) |  |  |  |  | 2024 |  | 2023
Net income attributable to common shareholders |  |  |  |  | $ | 37.8 |  |  | $ | 43.7 |
Average basic shares outstanding |  |  |  |  | 57.0 |  | 56.7 |
Effect of dilutive share-based awards |  |  |  |  | 0.7 |  |  | — |
Average diluted shares outstanding |  |  |  |  | 57.7 |  |  | 56.7 |
Earnings per basic share |  |  |  |  | $ | 0.66 |  |  | $ | 0.77 |
Earnings per diluted share |  |  |  |  | $ | 0.66 |  |  | $ | 0.77 |

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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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