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Earnings (Loss) per Share | 3 Months Ended
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Mar. 31, 2024
Earnings Per Share [Abstract] |
Earnings (Loss) per Share | Earnings (Loss) per Share Earnings (loss) per share were calculated as follows:
|  |  | Three Months Ended March 31,
(in millions, except per share data) |  |  |  |  | 2024 |  | 2023
Net income (loss) - basic and diluted |  |  |  |  | $ | 43.4 |  |  | $ | (76.6) |
Weighted-average common shares outstanding: |  |  |  |  |  |  |
Basic |  |  |  |  | 99.8 |  |  | 97.1 |
Effect of dilutive securities |  |  |  |  | 3.8 |  |  | — |
Diluted |  |  |  |  | 103.6 |  |  | 97.1 |
Earnings (loss) per share: |  |  |  |  |  |  |
Basic |  |  |  |  | $ | 0.43 |  |  | $ | (0.79) |
Diluted |  |  |  |  | $ | 0.42 |  |  | $ | (0.79) |
Shares excluded from diluted per share amounts because their effect would have been anti-dilutive |  |  |  |  | 1.7 |  |  | 15.5 |

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