Employee Stock Plans - Additional Information (Detail) - USD ($)			12 Months Ended
	Sep. 25, 2024	Jun. 03, 2020	Apr. 30, 2025	Apr. 30, 2024	Apr. 30, 2023	Apr. 30, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Payments of tax withholdings on restricted stock			$ 17,351,000	$ 10,732,000	$ 22,232,000
Shares repurchased during the period, value			$ 106,296,000	$ 63,219,000	$ 116,139,000
Treasury Stock, Common
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares repurchased during the period (in shares)			1,276,500	930,000	1,709,867
Shares repurchased during the period, value			$ 88,900,000	$ 52,500,000	$ 93,900,000
ESPP
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock available for stock-based awards (in shares)			1,500,000
Shares available for future issuance (in shares)			1,500,000
Authorized payroll deductions			15.00%
Authorized payroll deductions, value			$ 25,000
Maximum number of shares reserved for issuance (in shares)			4,500,000
Employees stock purchased (in shares)			129,940	173,671	154,720
Employees stock purchased, average price per share (in dollars per share)			$ 60.56	$ 48.06	$ 49.16
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			$ 22,800,000
Restricted stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares outstanding (in shares)			1,770,000	1,974,000	2,063,000	1,980,000
Total unrecognized compensation cost related to non-vested awards			$ 65,000,000.0
Expected cost recognized over weighted-average period			2 years 2 months 12 days
Shares repurchased during the period to pay for taxes (in shares)			262,930	212,204
Payments of tax withholdings on restricted stock			$ 17,400,000	$ 10,700,000
Stock Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock available for stock-based awards (in shares)	1,900,000
Shares available for future issuance (in shares)	2,848,558
Vesting period	1 year