Equity Incentive Plans - Stock Options Activity Related to Equity Incentive Plans (Detail) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 28, 2025	Dec. 29, 2024	Dec. 31, 2023
Common Stock Options Outstanding
Common Stock Options, beginning balance	458,294	686,348	672,142
Common Stock Options, granted	51,430	46,098	104,711
Common Stock Options, forfeited	(8,023)	(3,728)	(11,973)
Common Stock Options, exercised	(77,415)	(270,424)	(78,532)
Common Stock Options, ending balance	424,286	458,294	686,348
Common Stock Options, Exercisable at end of period	321,280
Common Stock Options Weighted Average Exercise Price
Weighted Average Exercise Price, beginning balance	$ 306.85	$ 229.45	$ 206.69
Weighted Average Exercise Price, Stock options granted	438.71	443.90	300.16
Weighted Average Exercise Price, Stock options cancelled	374.94	348.25	351.89
Weighted Average Exercise Price, Stock options exercised	242.76	133.21	110.22
Weighted Average Exercise Price, ending balance	333.24	$ 306.85	$ 229.45
Weighted Average Exercise Price, Exercisable at end of period	$ 310.57
Weighted Average Remaining Life (Years)	5 years 4 months 24 days
Weighted Average Remaining Life (Years), Exercisable at end of period	4 years 4 months 24 days
Stock options, Aggregate Intrinsic Value, ending balance	$ 40,586
Stock options, Aggregate Intrinsic Value, Exercisable at end of period	$ 37,225