Revenue, Accounts Receivable, Deferred Revenue, and Remaining Performance Obligations - Narrative (Details) - USD ($) $ in Millions	3 Months Ended
Apr. 30, 2023	Apr. 30, 2022	Jan. 31, 2023
Disaggregation of Revenue [Line Items]
Allowance for doubtful accounts	$ 2.1		$ 2.2
Revenue recognized	494.7	$ 339.1
Remaining performance obligation	$ 3,400.0
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-05-01
Disaggregation of Revenue [Line Items]
Revenue, remaining performance obligation, percentage	57.00%
Remaining performance obligation, remaining life	12 months

Amount of allowance for credit loss on accounts receivable.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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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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Percentage of remaining performance obligation to total remaining performance obligation not recognized as revenue.

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