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Earnings Per Common Share (Tables) | 3 Months Ended
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Mar. 31, 2021
Earnings Per Common Share |
Earnings Per Common Share (Table) | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | For the three months ended
​ | ​ | March 31,
​ |  | 2021 |  | 2020
​ | ​ | (in millions, except per share data)
Net income | ​ | $ | 516.3 | ​ | $ | 285.0
Subtract: | ​ | ​ | ​ | ​ | ​ | ​
Net loss attributable to noncontrolling interest | ​ | ​ | (0.8) | ​ | ​ | (3.9)
Adjustments to redemption amounts of redeemable noncontrolling interests | ​ | ​ | 1.9 | ​ | ​ | —
Total | ​ | $ | 515.2 | ​ | $ | 288.9
Weighted-average shares outstanding: | ​ | ​ | ​ | ​ | ​ | ​
Basic | ​ | ​ | 272.9 | ​ | ​ | 275.0
Dilutive effects: | ​ | ​ | ​ | ​ | ​ | ​
Stock options | ​ | ​ | 0.8 | ​ | ​ | 0.5
Restricted stock units | ​ | ​ | 2.0 | ​ | ​ | 1.6
Performance share awards | ​ | ​ | 0.3 | ​ | ​ | 0.1
Diluted | ​ | ​ | 276.0 | ​ | ​ | 277.2
Net income per common share: | ​ | ​ | ​ | ​ | ​ | ​
Basic | ​ | $ | 1.89 | ​ | $ | 1.05
Diluted | ​ | $ | 1.87 | ​ | $ | 1.04
​

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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