Accrued Payroll and Employee Benefits (Detail) - USD ($) $ in Thousands	Dec. 29, 2023	Dec. 30, 2022
Employee-related Liabilities, Current [Abstract]
Accrued bonuses payable	$ 68,415	$ 67,805
Accrued 401(k) contributions	11,138	9,812
Accrued vacation	13,492	13,106
Deferred compensation plan	13,166	10,171
Other accrued payroll and employee benefits	5,562	4,928
Total accrued payroll and employee benefits	$ 111,773	$ 105,822