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Net Income per Common Share | 6 Months Ended
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Jul. 31, 2022
Earnings Per Share [Abstract] |
Net Income per Common Share | 11. Net Income per Common Share The following is a reconciliation of the weighted-average common shares outstanding used for the computation of basic and diluted net income per common share:
|  | Three Months Ended |  |  | Six Months Ended |
|  | July 31, |  |  | July 31, |
|  | 2022 |  |  | 2021 |  |  | 2022 |  |  | 2021 |
Basic weighted-average common shares outstanding |  |  | 93,041,310 |  |  |  | 98,315,441 |  |  |  | 94,240,412 |  |  |  | 98,213,555 |
Effect of dilutive options, performance stock units and restricted stock units |  |  | 606,904 |  |  |  | 1,285,851 |  |  |  | 737,093 |  |  |  | 1,249,913 |
Diluted weighted-average shares outstanding |  |  | 93,648,214 |  |  |  | 99,601,292 |  |  |  | 94,977,505 |  |  |  | 99,463,468 |
For the three months ended July 31, 2022 and 2021, awards to purchase 205,000 common shares ranging in price from $23.74 to $46.42 and 160,000 common shares ranging in price from $38.09 to $46.42, respectively, were excluded from the calculation of diluted net income per common share because the impact would be anti-dilutive. For the six months ended July 31, 2022 and 2021, awards to purchase 202,500 common shares ranging in price from $23.74 to $46.42 and 180,000 common shares ranging in price from $35.85 to $46.42 were excluded from the calculation of diluted net income per common share because the impact would be anti-dilutive. Excluded from the calculation of diluted net income per common share as of July 31, 2022 and July 31, 2021, were 167,500 and 30,001 performance-based equity awards, respectively, because they did not meet the required performance criteria.

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