Balance Sheet Components - Schedule of Information About Contracts with Customers (Details)) - USD ($) $ in Thousands	Apr. 30, 2023	Apr. 30, 2022	Apr. 30, 2021	Apr. 30, 2020
Contract Balances [Line Items]
Unbilled accounts receivable, included in accounts receivable, net	$ 2,200	$ 9,200
Deferred revenue	562,952	465,294	$ 397,700	$ 259,702
Contracts with Customers
Contract Balances [Line Items]
Unbilled accounts receivable, included in accounts receivable, net	2,159	9,244
Deferred contract acquisition costs	151,692	118,047
Deferred revenue	$ 562,952	$ 465,294