Revenue, Accounts Receivable, Deferred Revenue, and Remaining Performance Obligations - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 31, 2023	Oct. 31, 2022	Oct. 31, 2023	Oct. 31, 2022
Disaggregation of Revenue [Line Items]
Revenue	$ 734,173	$ 557,028	$ 2,031,790	$ 1,476,647
Product revenue
Disaggregation of Revenue [Line Items]
Revenue	698,478	522,752	1,928,759	1,383,454
Professional services and other revenue
Disaggregation of Revenue [Line Items]
Revenue	$ 35,695	$ 34,276	$ 103,031	$ 93,193