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Earnings per Share (Tables) | 9 Months Ended
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Sep. 30, 2023
Earnings Per Share [Abstract] |
Schedule of 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) | 2023 |  | 2022 |  | 2023 |  | 2022
Net income - basic and diluted | $ | 83.1 |  |  | $ | 68.5 |  |  | $ | 102.0 |  |  | $ | 65.5 |
Weighted-average shares outstanding:
Basic | 97.9 |  |  | 95.8 |  |  | 97.5 |  |  | 95.6 |
Effect of dilutive securities:
Stock options | 1.8 |  |  | 1.9 |  |  | 1.7 |  |  | 1.7 |
Restricted stock | 0.7 |  |  | 0.8 |  |  | 0.7 |  |  | 0.5 |
2024 Notes | 0.6 |  |  | 0.6 |  |  | 0.6 |  |  | 0.5 |
Diluted | 101.1 |  |  | 99.0 |  |  | 100.6 |  |  | 98.3 |
Earnings per share, basic | $ | 0.85 |  |  | $ | 0.72 |  |  | $ | 1.05 |  |  | $ | 0.69 |
Earnings per share, diluted | $ | 0.82 |  |  | $ | 0.69 |  |  | $ | 1.01 |  |  | $ | 0.67 |
Shares excluded from diluted per share amounts because their effect would have been anti-dilutive | 4.4 |  |  | 4.9 |  |  | 5.2 |  |  | 5.5 |

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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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