Net Income per Share - Additional Information (Details) - shares |
6 Months Ended | |
|---|---|---|
Jul. 31, 2026 |
Jul. 31, 2025 |
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| 2028 Notes | ||
| Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items] | ||
| Potentially dilutive securities (in shares) | 0 | 0 |
| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of convertible debt securities using the if-converted method. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Details
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