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Summary of Significant Accounting Policies - Additional Information (Details) $ in Millions	3 Months Ended		9 Months Ended		12 Months Ended
	Oct. 31, 2025 USD ($)	Oct. 31, 2024 USD ($)	Oct. 31, 2025 USD ($) segment	Oct. 31, 2024 USD ($)	Jan. 31, 2025
Summary Of Significant Accounting Policies [Line Items]
Foreign currency transaction (losses) gains \| $	$ (2.3)	$ (0.3)	$ (6.5)	$ 1.9
Number of operating segments			1
Number of reportable segments			1
United States, European Union Countries and Japan \| Geographic Concentration Risk \| Cash and Cash Equivalents
Summary Of Significant Accounting Policies [Line Items]
Concentration risk percentage			91.00%		86.00%

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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