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Revenue - Additional Information (Details) - USD ($)	12 Months Ended
Revenue - Additional Information (Details) - USD ($)	Apr. 30, 2025	Apr. 30, 2024	Apr. 30, 2023
Disaggregation of Revenue [Line Items]
Deferred revenue, revenue recognized	$ 660,900,000	$ 522,800,000	$ 430,700,000
Revenue, remaining performance obligation, amount	1,545,000,000
Amortization of deferred contract acquisition costs	96,688,000	78,549,000	68,900,000
Impairment of deferred contract acquisition costs recognized	$ 0	0	$ 0
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2026-05-01
Disaggregation of Revenue [Line Items]
Revenue, remaining performance obligation, percentage	65.00%
Revenue, remaining performance obligation, expected timing of satisfaction, percentage	12 months
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2027-01-01
Disaggregation of Revenue [Line Items]
Revenue, remaining performance obligation, percentage	90.00%
Revenue, remaining performance obligation, expected timing of satisfaction, percentage	24 months
Contracts with Customers
Disaggregation of Revenue [Line Items]
Unbilled accounts receivable	$ 2,500,000	$ 2,500,000
Net Accounts Receivable \| Customer Concentration Risk \| Customer One
Disaggregation of Revenue [Line Items]
Concentration risk percentage		13.00%
Revenue, Product and Service Benchmark \| Customer Concentration Risk \| Customer One
Disaggregation of Revenue [Line Items]
Concentration risk percentage	12.00%	11.00%