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Net Income (Loss) per Common Share (Tables) | 9 Months Ended
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Oct. 31, 2020
Net Income (Loss) per Common Share |
Schedule of reconciliation between basic and diluted net income per share | The following table reconciles the numerators and denominators used in the calculation of basic and diluted net income per share:
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended October 31, | ​ | Nine Months Ended October 31,
​ |  | 2020 |  | 2019 |  | 2020 |  | 2019
​ | ​ | (In thousands, except per share amounts)
Net income | ​ | $ | 63,174 | ​ | $ | 95,387 | ​ | $ | 8,903 | ​ | $ | 118,549
Basic net income per share: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Basic common shares | ​ | ​ | 48,359 | ​ | ​ | 47,768 | ​ | ​ | 48,201 | ​ | ​ | 48,333
Basic net income per share | ​ | $ | 1.31 | ​ | $ | 2.00 | ​ | $ | 0.18 | ​ | $ | 2.45
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Diluted net income per share: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Basic common shares | ​ | ​ | 48,359 | ​ | ​ | 47,768 | ​ | ​ | 48,201 | ​ | ​ | 48,333
Dilutive restricted stock unit awards and stock options | ​ | ​ | 450 | ​ | ​ | 588 | ​ | ​ | 388 | ​ | ​ | 723
Diluted common shares | ​ | ​ | 48,809 | ​ | ​ | 48,356 | ​ | ​ | 48,589 | ​ | ​ | 49,056
Diluted net income per share | ​ | $ | 1.29 | ​ | $ | 1.97 | ​ | $ | 0.18 | ​ | $ | 2.42

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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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