Revenue, Accounts Receivable, Deferred Revenue, and Remaining Performance Obligations - Revenue from External Customers by Geographic Areas (Details) - USD ($) $ in Thousands	3 Months Ended
Apr. 30, 2026	Apr. 30, 2025
Disaggregation of Revenue [Line Items]
Revenue	$ 1,390,951	$ 1,042,074
United States
Disaggregation of Revenue [Line Items]
Revenue	1,043,519	784,507
Other Americas
Disaggregation of Revenue [Line Items]
Revenue	36,009	29,661
EMEA
Disaggregation of Revenue [Line Items]
Revenue	230,617	168,809
Asia-Pacific and Japan
Disaggregation of Revenue [Line Items]
Revenue	$ 80,806	$ 59,097

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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- Definition

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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