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Net Earnings Per Share | 9 Months Ended
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Sep. 30, 2024
Earnings Per Share [Abstract] |
Net Earnings Per Share | (8) Net Earnings Per Share The calculations of net earnings per share - basic and net earnings per share - diluted were as follows:
|  | Three Months Ended |  |  | Nine Months Ended |
|  | September 30, |  |  | September 30, |
|  | 2024 |  |  | 2023 |  |  | 2024 |  |  | 2023 |
Net earnings available to common shareholders |  | $ | 22.8 |  |  | $ | 30.3 |  |  | $ | 122.6 |  |  | $ | 173.3 |
Weighted-average common shares outstanding (in millions) |  |  |  |  |  |  |  |  |  |  |  |
Weighted-average common shares outstanding - basic |  |  | 47.6 |  |  |  | 49.5 |  |  |  | 47.9 |  |  |  | 50.1 |
Effect of dilutive securities - share-based awards |  |  | 0.5 |  |  |  | 0.6 |  |  |  | 0.6 |  |  |  | 0.6 |
Weighted-average common shares outstanding - diluted |  |  | 48.1 |  |  |  | 50.1 |  |  |  | 48.5 |  |  |  | 50.7 |
Net earnings per share - basic |  | $ | 0.48 |  |  | $ | 0.61 |  |  | $ | 2.56 |  |  | $ | 3.46 |
Net earnings per share - diluted |  | $ | 0.47 |  |  | $ | 0.60 |  |  | $ | 2.53 |  |  | $ | 3.42 |
There were 0.8 million share-based awards excluded from the calculation of net earnings per share - diluted for both the three and nine months ended September 30, 2024, because their impact was anti-dilutive. There were 0.6 million share-based awards excluded from the calculation of net earnings per share - diluted for both the three and nine months ended September 30, 2023, because their impact was anti-dilutive.

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