Revenue and Contract Balances - Narrative (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Oct. 31, 2023	Oct. 31, 2022	Oct. 31, 2023	Oct. 31, 2022	Jan. 31, 2023
Disaggregation of Revenue [Line Items]
Unbilled receivables, current	$ 3.3		$ 3.3		$ 1.5
Contract with customer, liability	422.6		422.6		$ 406.3
Contract with customer, liability, revenue recognized	128.5	$ 46.5	259.3	$ 161.8
Revenue, remaining performance obligation, amount	$ 776.0		$ 776.0
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-11-01
Disaggregation of Revenue [Line Items]
Revenue, remaining performance obligation, percentage	87.00%		87.00%
Revenue, remaining performance obligation, expected timing of satisfaction, period	24 months		24 months
Minimum
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, contract term			1 year
Maximum
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, contract term			3 years