Significant Portions of Deferred Tax Assets and Deferred Tax Liabilities (Detail) - USD ($) $ in Thousands	Dec. 29, 2023	Dec. 30, 2022
Deferred tax assets:
Accrued liabilities and allowances	$ 21,235	$ 20,740
Deferred compensation plan	40,280	36,819
Operating leases	7,853	5,386
Unrealized loss on trading securities		453
Property, equipment and leasehold improvements		212
Other		88
Total deferred tax assets	69,368	63,698
Deferred tax liabilities:
State taxes	(2,255)	(2,265)
Deductible goodwill	(2,071)	(2,138)
Operating leases	(7,853)	(5,386)
Unrealized gain of deferred compensation plan assets	(1,652)
Property, equipment and leasehold improvements	(1,695)
Other	(18)
Total deferred tax liabilities	(15,544)	(9,789)
Net deferred tax assets	$ 53,824	$ 53,909