Equity Incentive Plans - Stock Options Activity Related to Equity Incentive Plans (Detail) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Jan. 02, 2022	Jan. 03, 2021	Dec. 29, 2019
Common Stock Options Outstanding
Common Stock Options, beginning balance	832,666	1,546,411	1,909,399
Common Stock Options, granted	42,742	52,730	96,280
Common Stock Options, cancelled	(11,990)	(9,792)	(33,667)
Common Stock Options, exercised	(199,301)	(756,683)	(425,601)
Common Stock Options, ending balance	664,117	832,666	1,546,411
Common Stock Options, Exercisable at end of period	545,050
Common Stock Options Weighted Average Exercise Price
Weighted Average Exercise Price, beginning balance	$ 160.82	$ 94.21	$ 72.86
Weighted Average Exercise Price, Stock options granted	367.79	413.80	272.64
Weighted Average Exercise Price, Stock options cancelled	333.61	268.94	196.47
Weighted Average Exercise Price, Stock options exercised	98.76	40.93	30.70
Weighted Average Exercise Price, ending balance	189.64	$ 160.82	$ 94.21
Weighted Average Exercise Price, Exercisable at end of period	$ 155.82
Weighted Average Remaining Life (Years)	5 years 1 month 6 days
Weighted Average Remaining Life (Years), Exercisable at end of period	4 years 4 months 24 days
Stock options, Aggregate Intrinsic Value, ending balance	$ 248,836
Stock options, Aggregate Intrinsic Value, Exercisable at end of period	$ 222,656