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EARNINGS PER SHARE (Tables) | 3 Months Ended
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Mar. 31, 2023
EARNINGS PER SHARE |
Schedule of computation of basic and diluted earnings per share | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended March 31,
​ |  | 2023 |  | 2022
Numerator: |  | ​ |  |  | ​ |
Net income | ​ | $ | 121,931 | ​ | $ | 126,030
Denominator (shares in 000's): | ​ |  | ​ | ​ |  | ​
Basic weighted average shares outstanding | ​ |  | 57,596 | ​ |  | 58,606
Effect of dilutive securities - Stock options and awards | ​ |  | 821 | ​ |  | 666
Diluted weighted average shares outstanding | ​ |  | 58,417 | ​ |  | 59,272
Basic earnings per share | ​ | $ | 2.12 | ​ | $ | 2.15
Diluted earnings per share | ​ | $ | 2.09 | ​ | $ | 2.13
​

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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 https://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257 + Details
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