Equity Incentive Plans - Summary of Restricted Stock Options Valuation Assumptions (Detail) - $ / shares	12 Months Ended
Jan. 02, 2022	Jan. 03, 2021	Dec. 29, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Risk-free interest rate	1.00%	0.30%	1.90%
Expected life (years)	5 years 3 months	5 years 6 months	5 years 6 months
Expected volatility	30.00%	30.00%	25.00%
Weighted average fair value per performance-based restrict stock unit	$ 93.46	$ 105.76	$ 64.66
Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Risk-free interest rate	0.30%
Expected life (years)	2 years 9 months
Expected volatility	33.90%
Weighted average fair value per performance-based restrict stock unit	$ 375.85

The risk-free interest rate assumption that is used in valuing an option on its own shares.

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- Definition

Rate of weighted-average expected volatility for award under share-based payment arrangement.

+ References

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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- Definition

Expected term of award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
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-Publisher FASB
-Name Accounting Standards Codification
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-Section S99
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-URI http://asc.fasb.org/extlink&oid=122041274&loc=d3e301413-122809

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