Equity Incentive Plans - Stock Options Activity Related to Equity Incentive Plans (Detail) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
Jan. 01, 2023	Jan. 02, 2022	Jan. 03, 2021
Common Stock Options Outstanding
Common Stock Options, beginning balance	664,117	832,666	1,546,411
Common Stock Options, granted	49,716	42,742	52,730
Common Stock Options, forfeited	(8,712)	(11,990)	(9,792)
Common Stock Options, exercised	(32,979)	(199,301)	(756,683)
Common Stock Options, ending balance	672,142	664,117	832,666
Common Stock Options, Exercisable at end of period	584,860
Common Stock Options Weighted Average Exercise Price
Weighted Average Exercise Price, beginning balance	$ 189.64	$ 160.82	$ 94.21
Weighted Average Exercise Price, Stock options granted	393.44	367.79	413.80
Weighted Average Exercise Price, Stock options cancelled	375.23	333.61	268.94
Weighted Average Exercise Price, Stock options exercised	100.44	98.76	40.93
Weighted Average Exercise Price, ending balance	206.69	$ 189.64	$ 160.82
Weighted Average Exercise Price, Exercisable at end of period	$ 181.20
Weighted Average Remaining Life (Years)	4 years 7 months 6 days
Weighted Average Remaining Life (Years), Exercisable at end of period	4 years
Stock options, Aggregate Intrinsic Value, ending balance	$ 99,869
Stock options, Aggregate Intrinsic Value, Exercisable at end of period	$ 99,098

The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.