Stock-Based Compensation - Stock Option Activity (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended	12 Months Ended
	Jul. 31, 2023	Apr. 30, 2023
Number of Stock Options Outstanding
Balance at beginning of period (in shares)	34,696
Options exercised (in shares)	(2,086)
Options cancelled (in shares)	(653)
Balance at end of period (in shares)	31,957	34,696
Vested and exercisable at end of period (in shares)	21,204
Vested and expected to vest at end of period (in shares)	32,073
Weighted Average Exercise Price
Balance at beginning of period (in dollars per share)	$ 12.75
Options exercised (in dollars per share)	35.90
Options cancelled (in dollars per share)	11.00
Balance at end of period (in dollars per share)	13.32	$ 12.75
Vested and exercisable at end of period (in dollars per share)	9.71
Vested and expected to vest at end of period (in dollars per share)	$ 13.32
Weighted Average Remaining Contractual Life (years)
Balance at beginning of period	6 years 3 months 21 days	6 years 5 months 12 days
Balance at end of period	6 years 3 months 21 days	6 years 5 months 12 days
Vested and exercisable at end of period	5 years 10 months 2 days
Vested and expected to vest at end of period	6 years 3 months 21 days
Aggregate Intrinsic Value
Balance at beginning of period	$ 916,531	$ 175,907
Balance at end of period	916,531	$ 175,907
Vested and exercisable at end of period	684,690
Vested and expected to vest at end of period	$ 919,847