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EARNINGS PER SHARE (Tables) | 3 Months Ended
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Mar. 31, 2021
Earnings Per Share |
Computation of basic and diluted earnings per share | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | For the Three Months Ended
​ | ​ | March 31,
​ |  | 2021 |  | 2020
Numerator (basic and diluted): |  | ​ |  |  | ​ |
Net income | ​ | $ | 501,609 | ​ | $ | 300,438
​ | ​ | ​ | ​ | ​ | ​ | ​
Denominator: | ​ |  |  | ​ |  |
Weighted-average common shares outstanding – basic | ​ |  | 70,383 | ​ |  | 75,022
Effect of stock options (1) | ​ |  | 632 | ​ |  | 641
Weighted-average common shares outstanding – assuming dilution | ​ |  | 71,015 | ​ |  | 75,663
​ | ​ | ​ | ​ | ​ | ​ | ​
Earnings per share: | ​ |  |  | ​ |  |
Earnings per share-basic | ​ | $ | 7.13 | ​ | $ | 4.00
Earnings per share-assuming dilution | ​ | $ | 7.06 | ​ | $ | 3.97
​ | ​ | ​ | ​ | ​ | ​ | ​
Antidilutive potential common shares not included in the calculation of diluted earnings per share: | ​ |  |  | ​ |  |
Stock options (1) | ​ |  | 211 | ​ |  | 349
Weighted-average exercise price per share of antidilutive stock options (1) | ​ | $ | 437.90 | ​ | $ | 377.41
(1) | See Note 10 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 -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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