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Earnings (loss) per common share (Tables) | 9 Months Ended
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Sep. 30, 2024
Earnings Per Share [Abstract] |
Schedule of Basic and Diluted Net Loss per Common Share | The following table presents the calculation of basic and diluted earnings (loss) per common share:
| Three Months Ended September 30, |  | Nine Months Ended September 30,
| 2024 |  | 2023 |  | 2024 |  | 2023
Numerator: |  |  |  |  |  |  |
Net income (loss) | $ | 114.8 |  |  | $ | (263.4) |  |  | $ | (159.3) |  |  | $ | (711.0) |
Denominator: |  |  |  |  |  |  |
Weighted-average number of shares outstanding-basic | 53.1 |  |  | 51.8 |  |  | 52.6 |  |  | 50.9 |
Dilutive securities - equity awards | 2.5 |  |  | — |  |  | — |  |  | — |
Weighted-average number of shares outstanding-diluted | 55.6 |  |  | 51.8 |  |  | 52.6 |  |  | 50.9 |
Earnings (loss) per common share - basic | $ | 2.16 |  |  | $ | (5.08) |  |  | $ | (3.03) |  |  | $ | (13.97) |
Earnings (loss) per common share - diluted | $ | 2.06 |  |  | $ | (5.08) |  |  | $ | (3.03) |  |  | $ | (13.97) |
Anti-dilutive securities | 2.6 |  |  | 4.0 |  |  | 4.4 |  |  | 3.6 |

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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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