Revenue, Accounts Receivable, Deferred Revenue, and Remaining Performance Obligations - Narrative (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Oct. 31, 2024	Oct. 31, 2023	Oct. 31, 2024	Oct. 31, 2023	Jan. 31, 2024
Disaggregation of Revenue [Line Items]
Allowance for doubtful accounts	$ 2.8		$ 2.8		$ 2.5
Revenue recognized	678.5	$ 556.1	1,600.0	$ 1,200.0
Remaining performance obligation	$ 5,700.0		$ 5,700.0
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-11-01
Disaggregation of Revenue [Line Items]
Revenue, remaining performance obligation, percentage	50.00%		50.00%
Remaining performance obligation, remaining life	12 months		12 months