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EARNINGS PER SHARE (Tables) | 6 Months Ended
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Jun. 30, 2023
Earnings Per Share |
Computation of basic and diluted earnings per share | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | For the Three Months Ended | ​ | For the Six Months Ended
​ | ​ | June 30, | ​ | June 30,
​ |  | 2023 |  | 2022 |  | 2023 |  | 2022
Numerator (basic and diluted): |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |
Net income | ​ | $ | 627,365 | ​ | $ | 576,760 | ​ | $ | 1,144,250 | ​ | $ | 1,058,640
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Denominator: | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |
Weighted-average common shares outstanding – basic | ​ |  | 60,817 | ​ |  | 65,116 | ​ |  | 61,324 | ​ |  | 65,840
Effect of stock options (1) | ​ |  | 549 | ​ |  | 570 | ​ |  | 554 | ​ |  | 594
Weighted-average common shares outstanding – assuming dilution | ​ |  | 61,366 | ​ |  | 65,686 | ​ |  | 61,878 | ​ |  | 66,434
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Earnings per share: | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |
Earnings per share-basic | ​ | $ | 10.32 | ​ | $ | 8.86 | ​ | $ | 18.66 | ​ | $ | 16.08
Earnings per share-assuming dilution | ​ | $ | 10.22 | ​ | $ | 8.78 | ​ | $ | 18.49 | ​ | $ | 15.94
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Antidilutive potential common shares not included in the calculation of diluted earnings per share: | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |
Stock options (1) | ​ |  | 79 | ​ |  | 135 | ​ |  | 88 | ​ |  | 133
Weighted-average exercise price per share of antidilutive stock options (1) | ​ | $ | 825.99 | ​ | $ | 656.05 | ​ | $ | 808.19 | ​ | $ | 656.62
(1) | See Note 11 for further information concerning the terms of the Company’s share-based compensation plans.
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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 -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482662/260-10-50-1 + Details
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