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Computation of Net Earnings per Share (Tables) | 9 Months Ended
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Sep. 30, 2023
Computation of Net Earnings per Share |
Schedule of components of net income per share | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three months ended | ​ | Nine months ended | ​
​ | ​ | September 30, | ​ | September 30, | ​
​ |  | 2023 |  | 2022 |  | 2023 |  | 2022 |
​ | ​ | (in thousands, except per share amounts) | ​
Net income available to common stockholders | ​ | $ | 65,931 | ​ | $ | 40,283 | ​ | $ | 175,207 | ​ | $ | 126,087 | ​
Weighted average shares of common stock outstanding used in computing basic income per share | ​ |  | 32,807 | ​ |  | 33,011 | ​ |  | 32,775 | ​ |  | 33,116 | ​
Incremental options and RSUs | ​ |  | 352 | ​ |  | 378 | ​ |  | 433 | ​ |  | 522 | ​
Weighted average shares of common stock used in computing diluted net income per share | ​ |  | 33,159 | ​ |  | 33,389 | ​ |  | 33,208 | ​ |  | 33,638 | ​
Net income per share | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Basic | ​ | $ | 2.01 | ​ | $ | 1.22 | ​ | $ | 5.35 | ​ | $ | 3.81 | ​
Diluted | ​ | $ | 1.99 | ​ | $ | 1.21 | ​ | $ | 5.28 | ​ | $ | 3.75 | ​

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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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