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Net Income per Common Share (Tables) | 9 Months Ended
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Oct. 31, 2024
Earnings Per Share [Abstract] |
Reconciliation of Weighted Average Common Shares Outstanding Used for Computation of Basic and Diluted Net Income per Common Share | The following is a reconciliation of the weighted-average common shares outstanding and calculation of basic and diluted net income per common share:
|  | Three Months Ended |  |  | Nine Months Ended |
|  | October 31, |  |  | October 31, |
|  | 2024 |  |  | 2023 |  |  | 2024 |  |  | 2023 |
Net income |  | $ | 102,911 |  |  | $ | 83,014 |  |  | $ | 282,161 |  |  | $ | 239,923 |
Basic weighted-average common shares outstanding |  |  | 92,270,583 |  |  |  | 92,780,736 |  |  |  | 92,819,987 |  |  |  | 92,667,878 |
Effect of dilutive options, performance stock units and restricted stock units |  |  | 1,587,267 |  |  |  | 1,667,640 |  |  |  | 1,692,002 |  |  |  | 1,500,180 |
Diluted weighted-average shares outstanding |  |  | 93,857,850 |  |  |  | 94,448,376 |  |  |  | 94,511,989 |  |  |  | 94,168,058 |
Net income per common share: |  |  |  |  |  |  |  |  |  |  |  |
Basic |  | $ | 1.12 |  |  | $ | 0.89 |  |  | $ | 3.04 |  |  | $ | 2.59 |
Diluted |  | $ | 1.10 |  |  | $ | 0.88 |  |  | $ | 2.99 |  |  | $ | 2.55 |

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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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