Stock-Based Compensation - Stock Option Activity (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended	12 Months Ended
	Jul. 31, 2022	Apr. 30, 2022
Number of Stock Options Outstanding
Balance at beginning of period (in shares)	36,338
Options granted (in shares)	40
Options exercised (in shares)	(287)
Options cancelled (in shares)	(222)
Balance at end of period (in shares)	35,869	36,338
Vested and exercisable at end of period (in shares)	17,698
Vested and expected to vest at end of period (in shares)	36,169
Weighted Average Exercise Price
Balance at beginning of period (in dollars per share)	$ 12.44
Options granted (in dollars per share)	16.74
Options exercised (in dollars per share)	18.88
Options cancelled (in dollars per share)	13.47
Balance at end of period (in dollars per share)	12.50	$ 12.44
Vested and exercisable at end of period (in dollars per share)	6.62
Vested and expected to vest at end of period (in dollars per share)	$ 12.50
Weighted Average Remaining Contractual Life (years)
Balance at beginning of period	7 years 1 month 13 days	7 years 4 months 2 days
Balance at end of period	7 years 1 month 13 days	7 years 4 months 2 days
Vested and exercisable at end of period	6 years 3 months 7 days
Vested and expected to vest at end of period	7 years 1 month 13 days
Aggregate Intrinsic Value
Balance at beginning of period	$ 211,987	$ 165,436
Balance at end of period	211,987	$ 165,436
Vested and exercisable at end of period	208,655
Vested and expected to vest at end of period	$ 213,761