Stock-Based Compensation - Stock Option Activity (Details) $ / shares in Units, shares in Thousands, $ in Thousands	9 Months Ended	12 Months Ended
	Jan. 31, 2024 USD ($) $ / shares shares	Apr. 30, 2023 USD ($) $ / shares shares
Number of Stock Options Outstanding
Balance at beginning of period (in shares) | shares	34,696
Options granted (in shares) | shares	829
Options exercised (in shares) | shares	(2,535)
Options cancelled (in shares) | shares	(953)
Balance at end of period (in shares) | shares	32,037	34,696
Vested and exercisable at end of period (in shares) | shares	23,395
Vested and expected to vest at end of period (in shares) | shares	32,103
Weighted Average Exercise Price
Balance at beginning of period (in dollars per share) | $ / shares	$ 12.75
Options granted (in dollars per share) | $ / shares	30.11
Options exercised (in dollars per share) | $ / shares	34.48
Options cancelled (in dollars per share) | $ / shares	10.74
Balance at end of period (in dollars per share) | $ / shares	13.91	$ 12.75
Vested and exercisable at end of period (in dollars per share) | $ / shares	10.30
Vested and expected to vest at end of period (in dollars per share) | $ / shares	$ 13.91
Weighted Average Remaining Contractual Life (years)
Balance at beginning of period	5 years 10 months 24 days	6 years 5 months 12 days
Balance at end of period	5 years 10 months 24 days	6 years 5 months 12 days
Vested and exercisable at end of period	5 years 5 months 1 day
Vested and expected to vest at end of period	5 years 10 months 24 days
Aggregate Intrinsic Value
Balance at beginning of period | $	$ 348,241	$ 175,907
Balance at end of period | $	348,241	$ 175,907
Vested and exercisable at end of period | $	338,766
Vested and expected to vest at end of period | $	$ 348,956