v3.25.2
Fair Value - Recurring Basis (Detail) - Fair Value, Measurements, Recurring [Member] - USD ($)
$ in Thousands
Aug. 03, 2025
Apr. 27, 2025
Jul. 28, 2024
U.S. Government Money Market Fund [Member]      
Assets:      
Investments at fair value $ 5,568 $ 5,682 $ 6,823
Growth Allocation Mutual Funds [Member]      
Assets:      
Investments at fair value 894 808 756
S&P 500 Index Fund [Member]      
Assets:      
Investments at fair value 340 275 212
Other [Member]      
Assets:      
Investments at fair value 308 282 252
Quoted prices in active markets for identical assets - Level 1 [Member] | U.S. Government Money Market Fund [Member]      
Assets:      
Investments at fair value 5,568 5,682 6,823
Quoted prices in active markets for identical assets - Level 1 [Member] | Growth Allocation Mutual Funds [Member]      
Assets:      
Investments at fair value 894 808 756
Quoted prices in active markets for identical assets - Level 1 [Member] | S&P 500 Index Fund [Member]      
Assets:      
Investments at fair value 340 275 212
Quoted prices in active markets for identical assets - Level 1 [Member] | Other [Member]      
Assets:      
Investments at fair value $ 308 $ 282 $ 252