Equity-Based Compensation - Employee Stock Purchase Plan (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Apr. 30, 2024	Apr. 30, 2023	Apr. 30, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	$ 15,618	$ 13,217	$ 10,968
ESPP
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
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	6 months
Number of shares authorized	2,000
Number of shares available for issuance	1,500
Share-based compensation expense	$ 1,200	$ 1,000	$ 600
Number of shares purchased under ESPP	89	79	70
Average price per share (in dollars per share)	$ 51.74	$ 40.47	$ 33.19