Revenue, Accounts Receivable, Deferred Revenue, and Remaining Performance Obligations - Narrative (Details) - USD ($) $ in Millions	3 Months Ended
Apr. 30, 2024	Apr. 30, 2023	Jan. 31, 2024
Disaggregation of Revenue [Line Items]
Allowance for doubtful accounts	$ 3.5		$ 2.5
Revenue recognized	673.5	$ 494.7
Remaining performance obligation	$ 5,000.0
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-05-01
Disaggregation of Revenue [Line Items]
Revenue, remaining performance obligation, percentage	51.00%
Remaining performance obligation, remaining life	12 months

Amount of allowance for credit loss on accounts receivable.

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Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due.

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Amount of transaction price allocated to performance obligation that has not been recognized as revenue.

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Period in which remaining performance obligation is expected to be recognized as revenue, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Percentage of remaining performance obligation to total remaining performance obligation not recognized as revenue.

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