Property and Equipment, Net - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Jan. 31, 2025	Jan. 31, 2024	Jan. 31, 2023
Property, Plant and Equipment [Line Items]
Capitalized internal-use software costs	$ 37.8	$ 20.7	$ 17.5
Capitalized computer software, amortization	12.3	7.1	4.1
Property, Plant and Equipment
Property, Plant and Equipment [Line Items]
Depreciation and amortization	$ 15.2	$ 10.0	$ 6.7