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EARNINGS PER SHARE (Tables) | 6 Months Ended
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Jun. 30, 2022
EARNINGS PER SHARE |
Schedule of basic and diluted earnings per share | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended June 30, 2022 | ​ | Six Months Ended June 30, 2022
​ |  | ​ | ​ |  | 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 | ​ | $ | 380.7 |  | 39.9 | ​ | $ | 9.54 | ​ | $ | 719.9 |  | 40.4 | ​ | $ | 17.82
Effect of Dilutive Securities | ​ | ​ | ​ |  | 0.2 | ​ | ​ | (0.05) | ​ | ​ | ​ |  | 0.3 | ​ | ​ | (0.13)
Diluted | ​ | $ | 380.7 | ​ | 40.1 | ​ | $ | 9.49 | ​ | $ | 719.9 | ​ | 40.7 | ​ | $ | 17.69
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | Three Months Ended June 30, 2021 | ​ | Six Months Ended June 30, 2021
​ | ​ | ​ | ​ |  | 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 | ​ | $ | 162.5 |  | 43.5 | ​ | $ | 3.74 | ​ | $ | 249.7 |  | 43.4 | ​ | $ | 5.75
Effect of Dilutive Securities | ​ | ​ | ​ |  | 0.3 | ​ | ​ | (0.03) | ​ | ​ | ​ |  | 0.4 | ​ | ​ | (0.05)
Diluted | ​ | $ | 162.5 | ​ | 43.8 | ​ | $ | 3.71 | ​ | $ | 249.7 | ​ | 43.8 | ​ | $ | 5.70

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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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