Equity-Based Compensation (Tables)

12 Months Ended

Apr. 30, 2022

Share-based Payment Arrangement [Abstract]

Summary of stock option activity

The following table presents stock option activity as of and for the year ended April 30, 2022:

	Number of Options	Weighted Average Exercise Price		Weighted Average Remaining Contractual Life (years)	Aggregate Intrinsic Value
	(shares and dollars in thousands)
Outstanding as of April 30, 2021	1,289	$	20.86	6.8	$	29,465
Options granted	208	49.77
Options exercised	(222)	20.02
Options forfeited	(30)	29.24
Outstanding as of April 30, 2022	1,245	$	25.65	6.4	$	28,121
Exercisable as of April 30, 2022	732	$	20.24	4.9	$	20,272
Vested and expected to vest as of April 30, 2022	1,241	$	25.61	6.4	$	28,086

Schedule of weighted average assumptions used in Black-Scholes option-pricing model

The fair value of stock options granted during the years ended April 30, 2022, 2021 and 2020 was estimated using the Black-Scholes option-pricing model with the following assumptions and resulting weighted average grant date fair value:

	Year Ended April 30,
	2022			2021			2020
Volatility	43.13		%	51.28		%	49.86		%
Expected life (years)	6.0			6.0			6.0
Risk-free interest rate	0.89		%	0.30		%	1.97		%
Dividend yield	—		%	—		%	—		%
Grant date fair value	$	20.86		$	11.13		$	10.59

Summary of restricted stock unity activity

The following table presents restricted stock unit activity for the year ended April 30, 2022:

	Number of Restricted Stock Units	Weighted Average Exercise Price
	(shares in thousands)
Outstanding as of April 30, 2021	361	$	22.92
Granted	164	49.51
Vested	(182)	23.14
Forfeited	(13)	28.62
Outstanding as of April 30, 2022	330	$	35.83

Summary of ESPP activity

The following table presents the number of shares of the Company’s common stock purchased under the ESPP and average price per share:

	Year Ended April 30,
	2022		2021		2020
	(shares in thousands)
Number of shares purchased under the ESPP	70		95		115
Average purchase price	$	33.19	$	21.78	$	15.62