Employee Stock Plans - Additional Information (Detail) - USD ($)			12 Months Ended
	Sep. 22, 2022	Jul. 01, 2020	Apr. 30, 2024	Apr. 30, 2023	Apr. 30, 2022	Apr. 30, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Payments of tax withholdings on restricted stock			$ 10,732,000	$ 22,232,000	$ 18,532,000
Shares repurchased during the period, value			$ 63,219,000	$ 116,139,000	$ 117,301,000
Treasury Stock, Common
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares repurchased during the period (in shares)			930,000	1,709,867	1,470,983
Shares repurchased during the period, value			$ 52,500,000	$ 93,900,000	$ 98,800,000
ESPP
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares available for future issuance (in shares)			1,600,000
Authorized payroll deductions			15.00%
Increase in the additional number of total shares that may be purchased (in shares)			1,500,000
Authorized payroll deductions, value			$ 25,000
Maximum number of shares reserved for issuance (in shares)			4,500,000
Employees stock purchased (in shares)			173,671	154,720	103,826
Employees stock purchased, average price per share (in dollars per share)			$ 48.06	$ 49.16	$ 66.64
ESPP | Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Fair market price of common stock		85.00%
ESPP | Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Fair market price of common stock		100.00%
Time Based Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period			4 years
Market Based Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period			3 years
Performance period			3 years
Shares outstanding (in shares)			700,000
Total unrecognized compensation cost related to non-vested awards			$ 18,900,000
Restricted stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares outstanding (in shares)			1,974,000	2,063,000	1,980,000	2,370,000
Total unrecognized compensation cost related to non-vested awards			$ 61,000,000
Expected cost recognized over weighted-average period			2 years 2 months 12 days
Shares repurchased during the period to pay for taxes (in shares)			212,204	372,556
Payments of tax withholdings on restricted stock			$ 10,700,000	$ 22,200,000
Stock Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock available for stock-based awards (in shares)	1,700,000
Shares available for future issuance (in shares)	2,248,284
Vesting period	1 year