Stock-Based Compensation - Stock-Based Compensation Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Apr. 30, 2026	Apr. 30, 2025	Apr. 30, 2024
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock-based compensation expense excluding restructuring	$ 263,715	$ 230,988	$ 215,761
Total stock-based compensation expense	268,532	230,988	215,761
Cost of revenue \| Cost of subscription
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock-based compensation expense excluding restructuring	35,616	30,480	34,032
Cost of revenue \| Cost of professional services
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock-based compensation expense excluding restructuring	1,897	3,180	1,288
Sales and marketing
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock-based compensation expense excluding restructuring	95,531	83,960	71,751
Research and development
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock-based compensation expense excluding restructuring	79,221	71,629	72,036
General and administrative
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock-based compensation expense excluding restructuring	51,450	41,739	36,654
Restructuring
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock-based compensation expense	$ 4,817	$ 0	$ 0