Stock Options Activity Related to Equity Incentive Plans (Detail) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
Dec. 29, 2019	Dec. 30, 2018	Dec. 31, 2017
Common Stock Options Outstanding
Common Stock Options, beginning balance	1,909,399	2,238,114	2,498,310
Common Stock Options, granted	96,280	96,580	126,720
Common Stock Options, cancelled	(33,667)	(11,193)	(28,991)
Common Stock Options, exercised	(425,601)	(414,102)	(357,925)
Common Stock Options, ending balance	1,546,411	1,909,399	2,238,114
Common Stock Options, Exercisable at end of period	1,350,200
Common Stock Options Weighted Average Exercise Price
Weighted Average Exercise Price, beginning balance	$ 72.86	$ 55.94	$ 43.54
Weighted Average Exercise Price, Stock options granted	272.64	266.11	201.19
Weighted Average Exercise Price, Stock options cancelled	196.47	174.63	101.97
Weighted Average Exercise Price, Stock options exercised	30.70	23.74	17.05
Weighted Average Exercise Price, ending balance	94.21	$ 72.86	$ 55.94
Weighted Average Exercise Price, Exercisable at end of period	$ 71.59
Weighted Average Remaining Life (Years)	4 years 4 months 24 days
Weighted Average Remaining Life (Years), Exercisable at end of period	3 years 9 months 18 days
Stock options, Aggregate Intrinsic Value, ending balance	$ 306,340
Stock options, Aggregate Intrinsic Value, Exercisable at end of period	$ 298,015

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.