Revenue, Accounts Receivable, Deferred Revenue, and Remaining Performance Obligations - Narrative (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jul. 31, 2023	Jul. 31, 2022	Jul. 31, 2023	Jul. 31, 2022	Jan. 31, 2023
Disaggregation of Revenue [Line Items]
Allowance for doubtful accounts	$ 1.4		$ 1.4		$ 2.2
Revenue recognized	524.0	$ 380.4	896.4	$ 622.9
Remaining performance obligation	$ 3,500.0		$ 3,500.0
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-08-01
Disaggregation of Revenue [Line Items]
Revenue, remaining performance obligation, percentage	57.00%		57.00%
Remaining performance obligation, remaining life	12 months		12 months