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Earnings Per Common Share (Tables) | 9 Months Ended
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Sep. 30, 2024
Earnings Per Share [Abstract] |
Schedule of Computation of Basic and Diluted Earnings Per Share | The following table summarizes the computation of basic and diluted earnings per common share for the periods presented (in millions, except per share data):
| Three Months Ended September 30, |  | Nine Months Ended September 30,
| 2024 |  | 2023 |  | 2024 |  | 2023
(Loss) earnings per common share—basic |  |  |  |  |  |  |
Net (loss) income | $ | (3.6) |  |  | $ | 29.7 |  |  | $ | 65.0 |  |  | $ | 172.1 |
Weighted-average common shares outstanding—basic | 183.8 |  |  | 185.2 |  |  | 183.7 |  |  | 185.2 |
(Loss) earnings per common share—basic | $ | (0.02) |  |  | $ | 0.16 |  |  | $ | 0.35 |  |  | $ | 0.93 |
(Loss) earnings per common share—diluted |  |  |  |  |  |  |
Net (loss) income | $ | (3.6) |  |  | $ | 29.7 |  |  | $ | 65.0 |  |  | $ | 172.1 |
Interest expense attributable to convertible notes, net of tax | — |  |  | 1.6 |  |  | 4.9 |  |  | 4.8 |
Net (loss) income attributable to earnings per common share—diluted | $ | (3.6) |  |  | $ | 31.3 |  |  | $ | 69.9 |  |  | $ | 176.9 |
Weighted-average common shares outstanding—basic | 183.8 |  |  | 185.2 |  |  | 183.7 |  |  | 185.2 |
Incremental shares for assumed conversion of Convertible Notes | — |  |  | 14.7 |  |  | 14.7 |  |  | 14.7 |
Outstanding options, restricted stock units and performance share units | — |  |  | 1.3 |  |  | 0.9 |  |  | 1.4 |
Weighted-average common shares outstanding—diluted | 183.8 |  |  | 201.2 |  |  | 199.3 |  |  | 201.3 |
(Loss) earnings per common share—diluted | $ | (0.02) |  |  | $ | 0.16 |  |  | $ | 0.35 |  |  | $ | 0.88 |

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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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