Revenue, Accounts Receivable, Deferred Revenue, and Remaining Performance Obligations - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Jan. 31, 2023	Jan. 31, 2022	Jan. 31, 2021
Disaggregation of Revenue [Line Items]
Allowance for doubtful accounts	$ 2.2	$ 1.3
Revenue recognized	974.3	$ 535.8	$ 257.9
Remaining performance obligation	$ 3,700.0
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-02-01
Disaggregation of Revenue [Line Items]
Revenue, remaining performance obligation, percentage	55.00%
Remaining performance obligation, remaining life	12 months