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Net Earnings Per Common Share | 9 Months Ended
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Sep. 30, 2024
Earnings Per Share [Abstract] |
Net Earnings Per Common Share | Net Earnings Per Common Share The following table shows the calculation of basic and diluted net earnings per common share:
|  | Three Months Ended September 30, |  | Nine Months Ended September 30,
(In millions, except per share amounts) |  | 2024 |  | 2023 |  | 2024 |  | 2023
Basic Net Earnings Per Common Share: |  |  |  |  |  |  |  |
Numerator: |  |  |  |  |  |  |  |
Net earnings |  | $ | 91.7 |  |  | $ | 56.6 |  |  | $ | 272.0 |  |  | $ | 217.6 |
Distributed and allocated undistributed net earnings to unvested restricted stockholders |  | — |  |  | — |  |  | — |  |  | — |
Net earnings available to common stockholders |  | $ | 91.7 |  |  | $ | 56.6 |  |  | $ | 272.0 |  |  | $ | 217.6 |
Denominator: |  |  |  |  |  |  |  |
Weighted average number of common shares outstanding - basic |  | 145.8 |  |  | 144.5 |  |  | 145.5 |  |  | 144.3 |
Basic net earnings per common share: |  |  |  |  |  |  |  |
Basic net earnings per common share |  | $ | 0.63 |  |  | $ | 0.39 |  |  | $ | 1.87 |  |  | $ | 1.51 |
Diluted Net Earnings Per Common Share: |  |  |  |  |  |  |  |
Numerator: |  |  |  |  |  |  |  |
Net earnings available to common stockholders |  | $ | 91.7 |  |  | $ | 56.6 |  |  | $ | 272.0 |  |  | $ | 217.6 |
Denominator: |  |  |  |  |  |  |  |
Weighted average number of common shares outstanding - basic |  | 145.8 |  |  | 144.5 |  |  | 145.5 |  |  | 144.3 |
Effect of dilutive stock shares and units |  | 0.3 |  |  | 0.4 |  |  | 0.3 |  |  | 0.5 |
Weighted average number of common shares outstanding - diluted under treasury stock |  | 146.1 |  |  | 144.9 |  |  | 145.8 |  |  | 144.8 |
Diluted net earnings per common share |  | $ | 0.63 |  |  | $ | 0.39 |  |  | $ | 1.87 |  |  | $ | 1.50 |

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