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Net Earnings Per Common Share | 6 Months Ended
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Jun. 30, 2023
Earnings Per Share [Abstract] |
Net Earnings Per Common Share | Net Earnings Per Common ShareThe following table shows the calculation of basic and diluted net earnings per common share:
|  | Three Months Ended June 30, |  | Six Months Ended June 30,
(In millions, except per share amounts) |  | 2023 |  | 2022 |  | 2023 |  | 2022
Basic Net Earnings Per Common Share: |  |  |  |  |  |  |  |
Numerator: |  |  |  |  |  |  |  |
Net earnings |  | $ | 99.1 |  |  | $ | 113.9 |  |  | $ | 161.0 |  |  | $ | 263.1 |
Distributed and allocated undistributed net earnings to unvested restricted stockholders |  | — |  |  | — |  |  | — |  |  | — |
Net earnings available to common stockholders |  | $ | 99.1 |  |  | $ | 113.9 |  |  | $ | 161.0 |  |  | $ | 263.1 |
Denominator: |  |  |  |  |  |  |  |
Weighted average number of common shares outstanding - basic |  | 144.5 |  |  | 146.0 |  |  | 144.3 |  |  | 146.8 |
Basic net earnings per common share: |  |  |  |  |  |  |  |
Basic net earnings per common share |  | $ | 0.69 |  |  | $ | 0.78 |  |  | $ | 1.12 |  |  | $ | 1.79 |
Diluted Net Earnings Per Common Share: |  |  |  |  |  |  |  |
Numerator: |  |  |  |  |  |  |  |
Net earnings available to common stockholders |  | $ | 99.1 |  |  | $ | 113.9 |  |  | $ | 161.0 |  |  | $ | 263.1 |
Denominator: |  |  |  |  |  |  |  |
Weighted average number of common shares outstanding - basic |  | 144.5 |  |  | 146.0 |  |  | 144.3 |  |  | 146.8 |
Effect of dilutive stock shares and units |  | 0.3 |  |  | 1.5 |  |  | 0.5 |  |  | 1.7 |
Weighted average number of common shares outstanding - diluted under treasury stock |  | 144.8 |  |  | 147.5 |  |  | 144.8 |  |  | 148.5 |
Diluted net earnings per common share |  | $ | 0.68 |  |  | $ | 0.77 |  |  | $ | 1.11 |  |  | $ | 1.77 |

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