Equity-Based Compensation - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jan. 31, 2024	Jan. 31, 2023	Jan. 31, 2024	Jan. 31, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	$ 3,559	$ 3,285	$ 11,974	$ 10,198
Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Intrinsic value of options exercised			12,400	6,500
Unrecognized compensation cost, options	6,700		$ 6,700
Weighted-average period for recognition of unrecognized compensation expense (in years)			1 year 9 months 18 days
Restricted stock units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted-average period for recognition of unrecognized compensation expense (in years)			1 year 6 months
Fair value of awards vested			$ 13,000	8,800
Unrecognized compensation cost, RSUs	$ 9,500		9,500
ESPP
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense			$ 1,000	800
Percentage of common stock price based on closing price at the beginning or end of the last day of the purchase period			90.00%
Purchase period (in months)			6 months
Selling, general and administrative expenses
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense			$ 11,000	$ 9,400