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Calculation of Earnings Per Share (Tables) | 9 Months Ended
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Sep. 30, 2025
Earnings Per Share [Abstract] |
Calculation of Basic and Diluted Earnings Per Share |
|  | Three Months Ended |  | Nine Months Ended
|  | September 30, |  | September 30,
|  | 2025 |  | 2024 |  | 2025 |  | 2024
(dollars in millions, shares in thousands (except per share data)) |  |  |  |  |  |  |  |
Calculation of Basic Earnings Per Share: |  |  |  |  |  |  |  |
Net Income |  | $ | 19.4 |  |  | $ | 17.5 |  |  | $ | 94.2 |  |  | $ | 81.9 |
Weighted average shares outstanding |  | 23,526 |  |  | 22,501 |  |  | 23,265 |  |  | 22,346 |
Basic Earnings Per Share |  | $ | 0.82 |  |  | $ | 0.78 |  |  | $ | 4.05 |  |  | $ | 3.67 |
Calculation of Diluted Earnings Per Share: |  |  |  |  |  |  |  |
Reconciliation of Denominator: |  |  |  |  |  |  |  |
Weighted shares outstanding—Basic |  | 23,526 |  |  | 22,501 |  |  | 23,265 |  |  | 22,346 |
Effect of dilutive securities—Share-based compensation |  | 103 |  | 63 |  | 95 |  | 56
Adjusted denominator—Diluted |  | 23,629 |  |  | 22,564 |  |  | 23,360 |  |  | 22,402 |
Diluted Earnings Per Share |  | $ | 0.82 |  |  | $ | 0.78 |  |  | $ | 4.03 |  |  | $ | 3.66 |

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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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