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Net Earnings per Common Share (Tables) | 12 Months Ended
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Dec. 31, 2024
Earnings Per Share [Abstract] |
Schedule of Basic and Diluted Net Earnings Per Common Share | The following table shows the calculation of basic and diluted net earnings per common share:
|  | Year Ended December 31,
(In millions, except per share amounts) |  | 2024 |  | 2023 |  | 2022
Basic Net Earnings Per Common Share: |  |  |  |  |  |
Numerator: |  |  |  |  |  |
Net earnings |  | $ | 264.7 |  |  | $ | 341.6 |  |  | $ | 491.6 |
Distributed and allocated undistributed net earnings to unvested restricted stockholders |  | — |  |  | — |  |  | — |
Net earnings available to common stockholders |  | $ | 264.7 |  |  | $ | 341.6 |  |  | $ | 491.6 |
Denominator: |  |  |  |  |  |
Weighted average number of common shares outstanding - basic |  | 145.5 |  |  | 144.4 |  |  | 145.9 |
Basic net earnings per common share: |  |  |  |  |  |
Basic net earnings per common share |  | $ | 1.82 |  |  | $ | 2.37 |  |  | $ | 3.37 |
Diluted Net Earnings Per Common Share: |  |  |  |  |  |
Numerator: |  |  |  |  |  |
Net earnings available to common stockholders |  | $ | 264.7 |  |  | $ | 341.6 |  |  | $ | 491.6 |
Denominator: |  |  |  |  |  |
Weighted average number of common shares outstanding - basic |  | 145.5 |  |  | 144.4 |  |  | 145.9 |
Effect of dilutive stock shares and units |  | 0.5 |  |  | 0.5 |  |  | 1.5 |
Weighted average number of common shares outstanding - diluted under treasury stock |  | 146.0 |  |  | 144.9 |  |  | 147.4 |
Diluted net earnings per common share |  | $ | 1.81 |  |  | $ | 2.36 |  |  | $ | 3.33 |

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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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