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EARNINGS PER SHARE | 3 Months Ended
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Mar. 31, 2025
EARNINGS PER SHARE |
EARNINGS PER SHARE | 12. EARNINGS PER SHARE ​ Basic earnings per share is determined by dividing net income by the weighted average common shares outstanding during the period. The calculation of diluted earnings per share includes the dilutive effect of non-vested restricted stock units. The computation of weighted average common shares outstanding excluded a nominal amount of anti-dilutive restricted stock units for each period ended March 31, 2025 and 2024. ​ The computations for basic and diluted earnings per share for the three months ended March 31, 2025 and 2024 are as follows: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended March 31, 2025 | ​ | Three Months Ended March 31, 2024
​ |  | ​ | ​ |  | Weighted |  | Per |  | ​ | ​ |  | Weighted |  | Per
​ | ​ | ​ | ​ | ​ | Average | ​ | Common | ​ | ​ | ​ | ​ | Average | ​ | Common
​ | ​ | Net | ​ | Common | ​ | Share | ​ | Net | ​ | Common | ​ | Share
(In millions, except per share amounts) | ​ | Income | ​ | Shares | ​ | Amount | ​ | Income | ​ | Shares | ​ | Amount
Basic: | ​ | $ | 72.3 |  | 32.8 | ​ | $ | 2.20 | ​ | $ | 36.1 |  | 34.4 | ​ | $ | 1.05
Effect of Dilutive Securities: | ​ | ​ | — |  | 0.4 | ​ | ​ | (0.02) | ​ | ​ | — |  | 0.2 | ​ | ​ | (0.01)
Diluted: | ​ | $ | 72.3 | ​ | 33.2 | ​ | $ | 2.18 | ​ | $ | 36.1 | ​ | 34.6 | ​ | $ | 1.04
​

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