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Computation of Net Earnings per Share (Tables) | 6 Months Ended
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Jun. 30, 2023
Computation of Net Earnings per Share |
Schedule of components of net income per share | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three months ended | ​ | Six months ended | ​
​ | ​ | June 30, | ​ | June 30, | ​
​ |  | 2023 |  | 2022 |  | 2023 |  | 2022 |
​ | ​ | (in thousands, except per share amounts) | ​
Net income available to common stockholders | ​ | $ | 61,579 | ​ | $ | 44,189 | ​ | $ | 109,276 | ​ | $ | 85,804 | ​
Weighted average shares of common stock outstanding used in computing basic income per share | ​ |  | 32,775 | ​ |  | 33,096 | ​ |  | 32,759 | ​ |  | 33,170 | ​
Incremental options and RSUs | ​ |  | 414 | ​ |  | 466 | ​ |  | 478 | ​ |  | 600 | ​
Weighted average shares of common stock used in computing diluted net income per share | ​ |  | 33,189 | ​ |  | 33,562 | ​ |  | 33,237 | ​ |  | 33,770 | ​
Net income per share | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Basic | ​ | $ | 1.88 | ​ | $ | 1.34 | ​ | $ | 3.34 | ​ | $ | 2.59 | ​
Diluted | ​ | $ | 1.86 | ​ | $ | 1.32 | ​ | $ | 3.29 | ​ | $ | 2.54 | ​

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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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