Deferred Revenue and Performance Obligations - Narrative (Details) - USD ($) $ in Millions	Oct. 31, 2025	Jan. 31, 2025
Revenue from Contract with Customer [Abstract]
Unbilled receivables	$ 2.6	$ 0.9
Subscription
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue expected to be recognized from remaining performance obligations	405.9
Subscription | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-08-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue expected to be recognized from remaining performance obligations	$ 214.1
Expected satisfaction period for remaining revenue performance obligations	12 months
Professional services and other
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue expected to be recognized from remaining performance obligations	$ 22.7
Professional services and other | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-08-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue expected to be recognized from remaining performance obligations	$ 17.0
Expected satisfaction period for remaining revenue performance obligations	12 months