Company's Effective Tax Rate Differs From Statutory Federal Tax Rate (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 30, 2022	Dec. 31, 2021	Jan. 01, 2021
Income Tax Disclosure [Abstract]
Tax at federal statutory rate	$ 27,769	$ 26,426	$ 20,357
State taxes, net of federal benefit	6,726	5,174	2,942
Divestiture of foreign subsidiary	0	0	46
Non-deductible officer compensation	1,160	997	907
Non-deductible expenses	52	19	118
Non-deductible stock-based compensation	12	13	(14)
Excess tax benefit from equity incentive plans	(4,533)	(7,850)	(9,725)
Difference between statutory rate and foreign effective tax rate	(693)	(622)	(486)
Other	(589)	478	239
Total	$ 29,904	$ 24,635	$ 14,384
Effective tax rate	22.60%	19.60%	14.80%