Stock-Based Compensation - Stock Option Activity (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended	12 Months Ended
	Jul. 31, 2024	Apr. 30, 2024
Number of Stock Options Outstanding
Balance at beginning of period (in shares)	31,328
Options granted (in shares)	61
Options exercised (in shares)	(434)
Options cancelled (in shares)	(341)
Balance at end of period (in shares)	30,614	31,328
Vested and exercisable at end of period (in shares)	24,625
Vested and expected to vest at end of period (in shares)	30,614
Weighted Average Exercise Price
Balance at beginning of period (in dollars per share)	$ 13.97
Options granted (in dollars per share)	22.69
Options exercised (in dollars per share)	29.44
Options cancelled (in dollars per share)	14.39
Balance at end of period (in dollars per share)	14.08	$ 13.97
Vested and exercisable at end of period (in dollars per share)	10.97
Vested and expected to vest at end of period (in dollars per share)	$ 14.08
Weighted Average Remaining Contractual Life (years)
Balance at beginning of period	5 years 4 months 28 days	5 years 8 months 4 days
Balance at end of period	5 years 4 months 28 days	5 years 8 months 4 days
Vested and exercisable at end of period	5 years 7 days
Vested and expected to vest at end of period	5 years 4 months 28 days
Aggregate Intrinsic Value
Balance at beginning of period	$ 387,878	$ 268,167
Balance at end of period	387,878	$ 268,167
Vested and exercisable at end of period	388,590
Vested and expected to vest at end of period	$ 387,878