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Earnings (loss) per common share (Tables) | 6 Months Ended
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Jun. 30, 2025
Earnings Per Share [Abstract] |
Schedule of Basic and Diluted Earnings per Common Share | The following table presents the calculation of basic and diluted earnings (loss) per common share:
| Three Months Ended June 30, |  | Six Months Ended June 30,
| 2025 |  | 2024 |  | 2025 |  | 2024
Numerator: |  |  |  |  |  |  |
Net income (loss) | $ | (12.0) |  |  | $ | (283.1) |  |  | $ | 56.0 |  |  | $ | (274.1) |
Denominator: |  |  |  |  |  |  |
Weighted-average number of shares outstanding-basic | 54.2 |  |  | 52.6 |  |  | 54.3 |  |  | 52.4 |
Dilutive securities - equity awards | — |  |  | — |  |  | 2.4 |  |  | — |
Weighted-average number of shares outstanding-diluted | 54.2 |  |  | 52.6 |  |  | 56.7 |  |  | 52.4 |
Earnings (loss) per common share - basic | $ | (0.22) |  |  | $ | (5.38) |  |  | $ | 1.03 |  |  | $ | (5.23) |
Earnings (loss) per common share - diluted | $ | (0.22) |  |  | $ | (5.38) |  |  | $ | 0.99 |  |  | $ | (5.23) |
Anti-dilutive securities | 7.1 |  |  | 2.3 |  |  | 4.6 |  |  | 3.4 |

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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 -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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