Revenue, Accounts Receivable, Deferred Revenue, and Remaining Performance Obligations - Narrative (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Oct. 31, 2022	Oct. 31, 2021	Oct. 31, 2022	Oct. 31, 2021	Jan. 31, 2022
Disaggregation of Revenue [Line Items]
Allowance for doubtful accounts	$ 2.2		$ 2.2		$ 1.3
Revenue recognized	427.4	$ 255.0	841.8	$ 464.0
Remaining performance obligation	$ 3,000.0		$ 3,000.0
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-11-01
Disaggregation of Revenue [Line Items]
Revenue, remaining performance obligation, percentage	55.00%		55.00%
Remaining performance obligation, remaining life	12 months		12 months