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Earnings Per Common Share | 3 Months Ended
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Mar. 31, 2025
Earnings Per Common Share |
Earnings Per Common Share | 21. Earnings Per Common Share The computations of the basic and diluted per share amounts were as follows: ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | For the three months ended March 31,
​ |  | 2025 |  | 2024
​ | ​ | (in millions, except per share data)
Net income | ​ | $ | 62.9 | ​ | $ | 532.0
Subtract: | ​ | ​ | ​ | ​ | ​ | ​
Net income (loss) attributable to noncontrolling interest | ​ | ​ | 14.8 | ​ | ​ | (0.5)
Total | ​ | $ | 48.1 | ​ | $ | 532.5
Weighted-average shares outstanding: | ​ | ​ | ​ | ​ | ​ | ​
Basic | ​ | ​ | 225.7 | ​ | ​ | 236.0
Dilutive effects: | ​ | ​ | ​ | ​ | ​ | ​
Stock options | ​ | ​ | 0.7 | ​ | ​ | 0.8
Restricted stock units | ​ | ​ | 2.1 | ​ | ​ | 2.2
Performance share awards | ​ | ​ | 0.3 | ​ | ​ | 0.4
Diluted | ​ | ​ | 228.8 | ​ | ​ | 239.4
Net income per common share: | ​ | ​ | ​ | ​ | ​ | ​
Basic | ​ | $ | 0.21 | ​ | $ | 2.26
Diluted | ​ | $ | 0.21 | ​ | $ | 2.22
​ The calculation of diluted earnings per share for the three months ended March 31, 2025 and 2024, excludes the incremental effects related to certain outstanding stock-based compensation grants due to their anti-dilutive effect. When a net loss is reported, our basic weighted-average shares are used to calculate diluted earnings per share, as dilutive shares would have an antidilutive effect and result in a lower loss per share.

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