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Earnings Per Share | 6 Months Ended
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Jun. 30, 2024
Earnings Per Share [Abstract] |
Earnings Per Share | 4. Earnings Per Share The following table sets forth the computation of basic and diluted income per common share for the periods presented (dollars and shares in millions, except per share data):
|  | Three Months Ended |  |  | Six Months Ended |
|  | June 30, |  |  | June 30, |
Numerator: |  | 2024 |  |  | 2023 |  |  | 2024 |  |  | 2023 |
Net income |  | $ | 198.9 |  |  | $ | 202.7 |  |  | $ | 345.9 |  |  | $ | 392.8 |
Less: Distributed and undistributed earnings allocated to participating securities |  |  | (1.4 | ) |  |  | (1.9 | ) |  |  | (2.5 | ) |  |  | (3.5 | )
Net income attributable to common shareholders |  | $ | 197.5 |  |  | $ | 200.8 |  |  | $ | 343.4 |  |  | $ | 389.3 |
Denominator: |  |  |  |  |  |  |  |  |  |  |  |
Weighted average basic common shares outstanding |  |  | 89.1 |  |  |  | 89.1 |  |  |  | 89.1 |  |  |  | 89.1 |
Effect of dilutive securities |  |  | 0.4 |  |  |  | 0.4 |  |  |  | 0.4 |  |  |  | 0.4 |
Weighted average diluted common shares outstanding |  |  | 89.5 |  |  |  | 89.5 |  |  |  | 89.5 |  |  |  | 89.5 |
Basic income per common share |  | $ | 2.22 |  |  | $ | 2.25 |  |  | $ | 3.86 |  |  | $ | 4.37 |
Diluted income per common share |  | $ | 2.21 |  |  | $ | 2.24 |  |  | $ | 3.84 |  |  | $ | 4.35 |

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