Stock-Based Compensation - Narrative (Details) $ / shares in Units, $ in Thousands		3 Months Ended
	Nov. 27, 2020 USD ($) period shares	Jul. 31, 2023 USD ($) $ / shares shares	Jul. 31, 2022 USD ($) shares	May 01, 2023	Apr. 30, 2023 USD ($)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock-based compensation expense		$ 50,880	$ 56,630
Accrued stock-settled bonus		17,904			$ 32,414
Stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost		$ 96,400
Unrecognized compensation cost, weighted-average recognition period		2 years 7 months 6 days
RSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period		5 years
Unrecognized compensation cost, weighted-average recognition period		4 years 2 months 12 days
Unrecognized stock-based compensation expense		$ 503,600
Granted, non-option (in shares) | shares		4,048,000
RSUs | Share-Based Payment Arrangement, Tranche One
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentages		20.00%
Vesting period		1 year
RSUs | Share-Based Payment Arrangement, Tranche Two
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentages		5.00%
Performance Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Maximum shares authorized (in shares) | shares			1,700,000
Total stock-based compensation expense		$ 1,400
Stock price (in dollars per share) | $ / shares		$ 12.90
Risk free interest rate		3.70%
Expected dividend rate		0.00%
Expected volatility rate		51.40%
2020 Incentive Plan | Stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expiration period (in years)		10 years
2020 Incentive Plan | Stock options | Share-Based Payment Arrangement, Tranche One
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentages		20.00%
Vesting period		1 year
2020 Incentive Plan | Stock options | Share-Based Payment Arrangement, Tranche Two
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentages		2.00%
Vesting period		4 years
2020 Employee Stock Purchase Plan | ESPP
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock-based compensation expense		$ 1,600	$ 0
Unrecognized stock-based compensation expense		3,800
Percentage of employee earnings participation (up to)	15.00%
Initial offering period (in months)	24 months
Number of purchase periods | period	4
Purchase period (in months)	6 months
Annual Bonus Program And Retention Bonus Program | RSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock-based compensation expense		$ 7,400
Common Class A and Common Class B | 2020 Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Automatic increase to shares reserved for future issuance, percent of total shares outstanding as of April 30, 2022				5.00%
Common Class A and Common Class B | 2020 Employee Stock Purchase Plan | ESPP
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Automatic increase to shares reserved for future issuance, percent of total shares outstanding as of April 30, 2022				1.00%
Class A Common Stock | Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted, non-option (in shares) | shares		532,842	811,790
Class A Common Stock | 2020 Employee Stock Purchase Plan | ESPP
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares reserved for future issuance (in shares) | shares	3,000,000
Shares purchased (in shares) | shares	2,500
Shares purchased	$ 25
Fair market value (as a percent)	85.00%