Quarterly report pursuant to Section 13 or 15(d)

Deferred Compensation and Retirement Plans - Components of Net Periodic Benefits Costs (Detail)

v3.23.2
Deferred Compensation and Retirement Plans - Components of Net Periodic Benefits Costs (Detail) - USD ($)
$ in Thousands
3 Months Ended
Jul. 31, 2023
Jul. 31, 2022
Defined Benefit Plan Disclosure [Line Items]    
Expected long-term rate of return on plan assets 6.00% 5.50%
Deferred Compensation Plan    
Defined Benefit Plan Disclosure [Line Items]    
Service cost $ 9,833,000 $ 9,143,000
Interest cost 3,357,000 2,387,000
Amortization of actuarial loss 184,000 218,000
Expected return on plan assets (272,000) (289,000)
Net periodic service credit amortization (101,000) (101,000)
Net periodic benefit costs $ 13,001,000 $ 11,358,000