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Earnings Per Share (Tables) | 6 Months Ended
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Jul. 31, 2023
Earnings Per Share |
Schedule of computation of basic and diluted earnings per share | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | Three Months Ended |  | Six Months Ended
​ |  | July 31, |  | July 31, |  | July 31, |  | July 31,
​ | ​ | 2023 | ​ | 2022 | ​ | 2023 | ​ | 2022
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Net income for purposes of calculating basic and diluted earnings per share |  | 28,116 |  | 22,902 |  | 57,469 |  | 46,017
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Weighted average shares outstanding |  | 85,083 |  | 84,783 |  | 85,017 |  | 84,774
Dilutive effect of employee stock options |  | 483 |  | 401 |  | 515 |  | 433
Dilutive effect of restricted and performance share units |  | 1,217 |  | 1,154 |  | 1,232 |  | 1,137
Weighted average common and common equivalent shares outstanding |  | 86,783 |  | 86,338 |  | 86,764 |  | 86,344
Earnings per share |  | ​ |  |  |  |  |  |
Basic |  | 0.33 |  | 0.27 |  | 0.68 |  | 0.54
Diluted |  | 0.32 |  | 0.27 |  | 0.66 |  | 0.53

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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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