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Net Income Per Share (Tables) | 3 Months Ended
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Apr. 30, 2022
Earnings Per Share [Abstract] |
Schedule of Calculation of Numerator and Denominator in Net Loss Per Share | The following table sets forth the computation of the numerators and denominators used in the basic and diluted net income per share amounts:
| Three Months Ended April 30, |  |
| 2022 |  | 2021 |  |  |  |
Numerator: |  |  |  |  |  |  |
Net income | $ | 146 |  |  | $ | 156 |  |  |  |  |
Denominator: |  |  |  |  |  |  |
Denominator for basic net income per share—weighted average shares | 217 |  |  | 220 |  |  |  |  |
Effect of dilutive securities | 2 |  |  | 2 |  |  |  |  |
Denominator for dilutive net income per share | 219 |  |  | 222 |  |  |  |  |
Basic net income per share | $ | 0.67 |  |  | $ | 0.71 |  |  |  |  |
Diluted net income per share | $ | 0.67 |  |  | $ | 0.70 |  |  |  |  |

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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=124432515&loc=d3e3550-109257 + Details
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