Property and Equipment, Net - Narrative (Details) - USD ($)	3 Months Ended		9 Months Ended
	Oct. 31, 2024	Oct. 31, 2023	Oct. 31, 2024	Oct. 31, 2023
Property, Plant and Equipment [Abstract]
Depreciation	$ 23,000,000.0	$ 10,000,000.0	$ 61,000,000.0	$ 26,000,000.0
Accumulated amortization, property, plant, and equipment	$ 15,200,000	$ 5,000,000.0	39,400,000	12,300,000
Impairment of capitalized internal-use software			$ 0	$ 7,100,000