Intangible Assets - Narrative (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Oct. 31, 2025	Oct. 31, 2024	Oct. 31, 2025	Oct. 31, 2024
Finite-Lived Intangible Assets [Line Items]
Amortization of intangible assets	$ 0.1	$ 0.1	$ 0.4	$ 0.4
Patents
Finite-Lived Intangible Assets [Line Items]
Weighted-average amortization period			1 year 9 months 18 days
Intellectual property excluding patents
Finite-Lived Intangible Assets [Line Items]
Weighted-average amortization period			3 years 3 months 18 days