Equity-Based Compensation - Stock Option Activity (Details) - Stock Options - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Apr. 30, 2022	Apr. 30, 2021	Apr. 30, 2020
Number of Options
Outstanding, beginning of the period (in shares)	1,289
Options granted (in shares)	208
Options exercised (in shares)	(222)
Options forfeited (in shares)	(30)
Outstanding, end of the period (in shares)	1,245	1,289
Exercisable at end of period (in shares)	732
Vested and expected to vest at end of period (in shares)	1,241
Weighted Average Exercise Price
Outstanding, beginning of period (in dollars per share)	$ 20.86
Options granted (in dollars per share)	49.77
Options exercised (in dollars per share)	20.02
Options forfeited (in dollars per share)	29.24
Outstanding, end of the period (in dollars per share)	25.65	$ 20.86
Exercisable at end of period (in dollars per share)	20.24
Vested and expected to vest at end of period (in dollars per share)	$ 25.61
Other disclosures
Weighted Average Remaining Contractual Life, Outstanding (in years)	6 years 4 months 24 days	6 years 9 months 18 days
Weighted Average Remaining Contractual Life, Exercisable at end of period (in years)	4 years 10 months 24 days
Weighted Average Remaining Contractual Life, Vested and expected to vest at end of period (in years)	6 years 4 months 24 days
Aggregate Intrinsic Value, Outstanding	$ 28,121	$ 29,465
Aggregate Intrinsic Value, Exercisable at end of period	20,272
Aggregate Intrinsic Value, Vested and expected to vest at end of period	28,086
Intrinsic value of options exercised	7,500	$ 9,900	$ 11,500
Unrecognized compensation cost	$ 4,500
Weighted-average period for recognition of unrecognized compensation expense (in years)	1 year 10 months 24 days