Revenue, Accounts Receivable, Deferred Revenue, and Remaining Performance Obligations - Narrative (Details) - USD ($) $ in Millions	3 Months Ended
Apr. 30, 2025	Apr. 30, 2024	Jan. 31, 2025
Disaggregation of Revenue [Line Items]
Allowance for doubtful accounts	$ 4.2		$ 4.8
Revenue recognized	820.9	$ 673.5
Remaining performance obligation	$ 6,700.0
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-05-01
Disaggregation of Revenue [Line Items]
Revenue, remaining performance obligation, percentage	50.00%
Remaining performance obligation, remaining life	12 months

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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+ Details