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Net Income Per Common Share (Tables) | 9 Months Ended
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Sep. 30, 2024
Earnings Per Share [Abstract] |
Summary of Earnings Per Share Basic and Diluted |
|  | Quarter Ended September 30, |  |  | Nine Months Ended September 30, |
(In millions, except per share data) |  | 2024 |  |  | 2023 |  |  | 2024 |  |  | 2023 |
Basic net income per common share: |  |  |  |  |  |  |  |  |  |  |  |
Net income |  | $ | 39.8 |  |  | $ | 38.7 |  |  | $ | 126.3 |  |  | $ | 123.9 |
Weighted average common shares outstanding |  |  | 81.5 |  |  |  | 84.6 |  |  |  | 82.6 |  |  |  | 84.6 |
Basic net income per common share |  | $ | 0.49 |  |  | $ | 0.46 |  |  | $ | 1.53 |  |  | $ | 1.46 |
Diluted net income per common share: |  |  |  |  |  |  |  |  |  |  |  |
Net income |  | $ | 39.8 |  |  | $ | 38.7 |  |  |  | 126.3 |  |  |  | 123.9 |
Weighted average common shares outstanding — Basic |  |  | 81.5 |  |  |  | 84.6 |  |  |  | 82.6 |  |  |  | 84.6 |
Plus incremental shares from assumed conversions: |  |  |  |  |  |  |  |  |  |  |  |
Restricted stock units |  |  | 0.4 |  |  |  | 0.6 |  |  |  | 0.4 |  |  |  | 0.5 |
Stock options |  |  | 0.3 |  |  |  | 0.4 |  |  |  | 0.3 |  |  |  | 0.4 |
Weighted average common shares outstanding — Dilutive |  |  | 82.1 |  |  |  | 85.6 |  |  |  | 83.3 |  |  |  | 85.5 |
Diluted net income per common share |  | $ | 0.49 |  |  | $ | 0.45 |  |  | $ | 1.52 |  |  | $ | 1.45 |

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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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