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(Loss) Earnings per Share | 3 Months Ended
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Mar. 31, 2023
Earnings Per Share [Abstract] |
(Loss) Earnings per Share | (Loss) Earnings per Share (Loss) earnings per share was calculated as follows:
| Three Months Ended March 31, |  |
(in millions, except per share data) | 2023 |  | 2022 |  |  |  |
Net (loss) income - basic and diluted | $ | (76.6) |  |  | $ | 13.9 |  |  |  |  |
Weighted-average shares outstanding:
Basic | 97.1 |  |  | 95.3 |  |  |  |  |
Effect of dilutive securities:
Stock options | — |  |  | 1.5 |  |  |  |  |
Restricted stock | — |  |  | 0.3 |  |  |  |  |
2024 Notes | — |  |  | 0.5 |  |  |  |  |
Diluted | 97.1 |  |  | 97.6 |  |  |  |  |
(Loss) earnings per share, basic | $ | (0.79) |  |  | $ | 0.15 |  |  |  |  |
(Loss) earnings per share, diluted | $ | (0.79) |  |  | $ | 0.14 |  |  |  |  |
Shares excluded from diluted per share amounts because their effect would have been anti-dilutive | 15.5 |  |  | 6.0 |  |  |  |  |

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