Quarterly report pursuant to Section 13 or 15(d)

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

v3.22.2.2
Deferred Compensation and Retirement Plans - Components of Net Periodic Benefits Costs (Parenthetical) (Detail)
3 Months Ended
Jul. 31, 2022
Jul. 31, 2021
Compensation And Retirement Disclosure [Abstract]    
Expected long-term rate of return on plan assets 5.50% 6.00%