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Earnings Per Common Share (Tables) | 9 Months Ended
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Sep. 30, 2021
Earnings Per Common Share |
Earnings Per Common Share (Table) | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | For the three months ended | ​ | For the nine months ended
​ | ​ | September 30, | ​ | September 30,
​ |  | 2021 |  | 2020 |  | 2021 |  | 2020
​ | ​ | (in millions, except per share data)
Net income | ​ | $ | 364.3 | ​ | $ | 235.9 | ​ | $ | 1,252.2 | ​ | $ | 937.0
Subtract: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Net income attributable to noncontrolling interest | ​ | ​ | 4.4 | ​ | ​ | (0.1) | ​ | ​ | 13.4 | ​ | ​ | 13.8
Total | ​ | $ | 359.9 | ​ | $ | 236.0 | ​ | $ | 1,238.8 | ​ | $ | 923.2
Weighted-average shares outstanding: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Basic | ​ | ​ | 268.0 | ​ | ​ | 274.8 | ​ | ​ | 270.7 | ​ | ​ | 274.7
Dilutive effects: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Stock options | ​ | ​ | 1.3 | ​ | ​ | 0.4 | ​ | ​ | 1.2 | ​ | ​ | 0.3
Restricted stock units | ​ | ​ | 2.2 | ​ | ​ | 1.5 | ​ | ​ | 2.0 | ​ | ​ | 1.3
Performance share awards | ​ | ​ | 0.4 | ​ | ​ | 0.1 | ​ | ​ | 0.5 | ​ | ​ | 0.1
Diluted | ​ | ​ | 271.9 | ​ | ​ | 276.8 | ​ | ​ | 274.4 | ​ | ​ | 276.4
Net income per common share: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Basic | ​ | $ | 1.34 | ​ | $ | 0.86 | ​ | $ | 4.58 | ​ | $ | 3.36
Diluted | ​ | $ | 1.32 | ​ | $ | 0.85 | ​ | $ | 4.51 | ​ | $ | 3.34
​

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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=124432515&loc=d3e3550-109257 + Details
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