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Balance Sheet Components - Narrative (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Oct. 31, 2025 | Oct. 31, 2024 | Oct. 31, 2025 | Oct. 31, 2024 | Jan. 31, 2025
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract] |  |  |  |  |
Accumulated deprecation and amortization associated with fixed assets | $ 27.7 |  | $ 27.7 |  | $ 24.8
Accumulated amortization associated with capitalized internal-use software | 53.3 |  | 53.3 |  | $ 42.7
Capitalized computer software, additions | $ 5.0 | $ 3.9 | $ 13.8 | $ 11.4 |

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