Revenue - Schedule of Revenue by Category (Details) - USD ($) $ in Thousands	12 Months Ended
Apr. 30, 2026	Apr. 30, 2025	Apr. 30, 2024
Disaggregation of Revenue [Line Items]
Total revenue	$ 1,739,331	$ 1,483,296	$ 1,267,321
Revenue \| Product
Disaggregation of Revenue [Line Items]
% of Total Revenue	100.00%	100.00%	100.00%
Total subscription
Disaggregation of Revenue [Line Items]
Total revenue	$ 1,634,455	$ 1,384,520	$ 1,176,606
Total subscription \| Revenue \| Product
Disaggregation of Revenue [Line Items]
% of Total Revenue	94.00%	93.00%	93.00%
SaaS
Disaggregation of Revenue [Line Items]
Total revenue	$ 837,271	$ 687,619	$ 547,520
SaaS \| Revenue \| Product
Disaggregation of Revenue [Line Items]
% of Total Revenue	48.00%	46.00%	43.00%
Saa S Self Managed - Annual
Disaggregation of Revenue [Line Items]
Total revenue	$ 640,937	$ 502,320	$ 364,062
Saa S Self Managed - Annual \| Revenue \| Product
Disaggregation of Revenue [Line Items]
% of Total Revenue	37.00%	34.00%	29.00%
Saa S Self Managed - Monthly
Disaggregation of Revenue [Line Items]
Total revenue	$ 196,334	$ 185,299	$ 183,458
Saa S Self Managed - Monthly \| Revenue \| Product
Disaggregation of Revenue [Line Items]
% of Total Revenue	11.00%	12.00%	14.00%
Self-managed subscription
Disaggregation of Revenue [Line Items]
Total revenue	$ 797,184	$ 696,901	$ 629,086
Self-managed subscription \| Revenue \| Product
Disaggregation of Revenue [Line Items]
% of Total Revenue	46.00%	47.00%	50.00%
Services
Disaggregation of Revenue [Line Items]
Total revenue	$ 104,876	$ 98,776	$ 90,715
Services \| Revenue \| Product
Disaggregation of Revenue [Line Items]
% of Total Revenue	6.00%	7.00%	7.00%