Significant Portions of Deferred Tax Assets and Deferred Tax Liabilities (Detail) - USD ($) $ in Thousands	Jan. 01, 2021	Jan. 03, 2020
Deferred tax assets:
Accrued liabilities and allowances	$ 16,841	$ 15,658
Deferred compensation plan	31,619	28,463
Operating leases	5,758	6,867
Total deferred tax assets	54,218	50,988
Deferred tax liabilities:
State taxes	(1,969)	(1,624)
Deductible goodwill	(2,091)	(2,104)
Operating leases	(5,758)	(6,867)
Property, equipment and leasehold improvements	(81)	(84)
Unrealized gain of deferred compensation plan assets	(3,545)	(2,339)
Divestiture of foreign subsidiary	0	(956)
Other	(235)	(193)
Total deferred tax liabilities	(13,679)	(14,167)
Net deferred tax assets	$ 40,539	$ 36,821