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Fair Value Measurements (Tables) | 3 Months Ended
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Apr. 30, 2026
Fair Value Disclosures [Abstract] |
Fair Value of Financial Instruments Measured at Fair Value on a Recurring Basis | The following table sets forth our financial instruments that were measured at fair value on a recurring basis at the periods indicated below, by level within the fair value hierarchy (in thousands):
| April 30, 2026
| Level 1 |  | Level 2 |  | Level 3 |  | Total
Financial assets: |  |  |  |  |  |  |
Cash equivalents |  |  |  |  |  |  |
Money market funds | $ | 60,468 |  |  | $ | — |  |  | $ | — |  |  | $ | 60,468 |
U.S. government securities | — |  |  | — |  |  | — |  |  | — |
Total cash equivalents | 60,468 |  |  | — |  |  | — |  |  | 60,468 |
Marketable securities |  |  |  |  |  |  |
U.S. government securities | $ | 157,925 |  |  | $ | — |  |  | $ | — |  |  | $ | 157,925 |
Corporate debt securities | — |  |  | 84,307 |  |  | — |  |  | 84,307 |
Total marketable securities | 157,925 |  |  | 84,307 |  |  | — |  |  | 242,232 |
Derivative instruments |  |  |  |  |  |  |
Cash flow hedges | $ | — |  |  | $ | 69 |  |  | $ | — |  |  | $ | 69 |
Total financial assets | $ | 218,393 |  |  | $ | 84,376 |  |  | $ | — |  |  | $ | 302,769 |
Liabilities: |  |  |  |  |  |  |
Derivative instruments |  |  |  |  |  |  |
Cash flow hedges | $ | — |  |  | $ | (3) |  |  | $ | — |  |  | $ | (3) |
Total liabilities | $ | — |  |  | $ | (3) |  |  | $ | — |  |  | $ | (3) |
| January 31, 2026
| Level 1 |  | Level 2 |  | Level 3 |  | Total
Financial assets: |  |  |  |  |  |  |
Cash equivalents |  |  |  |  |  |  |
Money market funds | $ | 39,538 |  |  | $ | — |  |  | $ | — |  |  | $ | 39,538 |
U.S. government securities | 3,000 |  |  | — |  |  | — |  |  | 3,000 |
Total cash equivalents | 42,538 |  |  | — |  |  | — |  |  | 42,538 |
Marketable securities |  |  |  |  |  |  |
U.S. government securities | $ | 189,238 |  |  | $ | — |  |  | $ | — |  |  | $ | 189,238 |
Corporate debt securities | — |  |  | 98,342 |  |  | — |  |  | 98,342 |
Total marketable securities | 189,238 |  |  | 98,342 |  |  | — |  |  | 287,580 |
Derivative instruments |  |  |  |  |  |  |
Cash flow hedges | $ | — |  |  | $ | 409 |  |  | $ | — |  |  | $ | 409 |
Total financial assets | $ | 231,776 |  |  | $ | 98,751 |  |  | $ | — |  |  | $ | 330,527 |
Liabilities: |  |  |  |  |  |  |
Derivative instruments |  |  |  |  |  |  |
Cash flow hedges | $ | — |  |  | $ | (25) |  |  | $ | — |  |  | $ | (25) |
Total liabilities | $ | — |  |  | $ | (25) |  |  | $ | — |  |  | $ | (25) |

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- Definition Tabular disclosure of assets, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, by class that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 + Details
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