Company's Effective Tax Rate Differs From Statutory Federal Tax Rate (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Jan. 01, 2021	Jan. 03, 2020
Income Tax Disclosure [Abstract]
Tax at federal statutory rate	$ 26,426	$ 20,357	$ 21,880
State taxes, net of federal benefit	5,174	2,942	4,129
Divestiture of foreign subsidiary	0	46	956
Non-deductible officer compensation	997	907	759
Non-deductible expenses	19	118	345
Non-deductible stock-based compensation	13	(14)	2
Excess tax benefit from equity incentive plans	(7,850)	(9,725)	(6,394)
Difference between statutory rate and foreign effective tax rate	(622)	(486)	(341)
Other	478	239	394
Total	$ 24,635	$ 14,384	$ 21,730
Effective tax rate	19.60%	14.80%	20.90%