Company's Effective Tax Rate Differs From Statutory Federal Tax Rate (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 29, 2023	Dec. 30, 2022	Dec. 31, 2021
Income Tax Disclosure [Abstract]
Tax at federal statutory rate	$ 28,538	$ 27,769	$ 26,426
State taxes, net of federal benefit	8,587	6,726	5,174
Non-deductible officer compensation	870	1,160	997
Non-deductible expenses	456	52	19
Non-deductible stock-based compensation	12	12	13
Excess tax benefit from equity incentive plans	(2,844)	(4,533)	(7,850)
Difference between statutory rate and foreign effective tax rate	(264)	(693)	(622)
Other	202	(589)	478
Total	$ 35,557	$ 29,904	$ 24,635
Effective tax rate	26.20%	22.60%	19.60%