Revenue, Accounts Receivable, Deferred Revenue, and Remaining Performance Obligations - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 31, 2024	Oct. 31, 2023	Oct. 31, 2024	Oct. 31, 2023
Disaggregation of Revenue [Line Items]
Revenue	$ 942,094	$ 734,173	$ 2,639,626	$ 2,031,790
Product revenue
Disaggregation of Revenue [Line Items]
Revenue	900,282	698,478	2,519,119	1,928,759
Professional services and other revenue
Disaggregation of Revenue [Line Items]
Revenue	$ 41,812	$ 35,695	$ 120,507	$ 103,031