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Earnings per Share | 9 Months Ended
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Sep. 30, 2022
Earnings Per Share [Abstract] |
Earnings per Share | Earnings per Share Earnings per share was calculated as follows:
| Three Months Ended September 30, |  | Nine Months Ended September 30,
(in millions, except per share data) | 2022 |  | 2021 |  | 2022 |  | 2021
Net income - basic and diluted | $ | 68.5 |  |  | $ | 22.5 |  |  | $ | 65.5 |  |  | $ | 96.9 |
Weighted-average shares outstanding:
Basic | 95.8 |  |  | 94.7 |  |  | 95.6 |  |  | 94.5 |
Effect of dilutive securities:
Stock options | 1.9 |  |  | 1.8 |  |  | 1.7 |  |  | 1.9 |
Restricted stock | 0.8 |  |  | 0.2 |  |  | 0.5 |  |  | 0.3 |
2024 Notes | 0.6 |  |  | 1.0 |  |  | 0.5 |  |  | 1.1 |
Diluted | 99.0 |  |  | 97.7 |  |  | 98.3 |  |  | 97.9 |
Earnings per share, basic | $ | 0.72 |  |  | $ | 0.24 |  |  | $ | 0.69 |  |  | $ | 1.03 |
Earnings per share, diluted | $ | 0.69 |  |  | $ | 0.23 |  |  | $ | 0.67 |  |  | $ | 0.99 |
Shares excluded from diluted per share amounts because their effect would have been anti-dilutive | 4.9 |  |  | 4.5 |  |  | 5.5 |  |  | 4.0 |

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