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Income Taxes - Components of the Company's Deferred Income Tax Assets (Liabilities) (Details) - USD ($) $ in Thousands | Jan. 31, 2026 | Jan. 31, 2025
--- | --- | ---
Deferred tax assets: |  |
Net operating losses | $ 304,482 | $ 278,637
Research & development credits | 45,207 | 44,047
Deferred revenue | 28,649 | 33,188
Accruals and reserves | 18,307 | 20,377
Stock-based compensation | 2,732 | 3,860
Operating lease liabilities | 3,953 | 5,024
Capitalized research & development expense | 71,713 | 78,632
Interest expense limitation | 12,340 | 8,550
Inventory reserves | 13,022 | 15,350
Debt book-tax basis difference | 19,339 | 0
UNICAP adjustment | 9,243 | 8,850
Depreciation and amortization | 296 | 0
Total deferred tax assets | 529,283 | 496,515
Less: valuation allowance | (523,065) | (486,356)
Deferred tax liabilities: |  |
Depreciation and amortization | 0 | (345)
Operating lease right-of-use assets | (2,905) | (3,706)
Acquired intangible assets | (14,229) | (15,598)
Deferred commission | (1,933) | (2,347)
Other | (189) | 0
Total deferred tax liabilities | (19,256) | (21,996)
Net deferred tax liabilities | $ (13,038) | $ (11,837)

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