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, 2025	Apr. 30, 2024
Disaggregation of Revenue [Line Items]
Revenue	$ 1,042,074	$ 828,709
United States
Disaggregation of Revenue [Line Items]
Revenue	784,507	632,041
Other Americas
Disaggregation of Revenue [Line Items]
Revenue	29,661	23,735
EMEA
Disaggregation of Revenue [Line Items]
Revenue	168,809	131,657
Asia-Pacific and Japan
Disaggregation of Revenue [Line Items]
Revenue	$ 59,097	$ 41,276

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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