Equity Incentive Plans - Restricted Stock and Performance-Based Restricted Stock Activity Related to Equity Incentive Plans (Detail) - $ / shares	12 Months Ended
Dec. 28, 2025	Dec. 29, 2024	Dec. 31, 2023
Share-Based Payment Arrangement [Abstract]
Restricted Stock, Nonvested Shares at beginning of period	244,918	249,135	145,644
Restricted Stock, Nonvested Shares granted	82,669	85,264	167,515
Restricted Stock, Nonvested Shares forfeited	(20,346)	(15,216)	(9,799)
Restricted Stock, Nonvested Shares vested	(79,668)	(74,265)	(54,225)
Restricted Stock, Nonvested Shares at end of period	227,573	244,918	249,135
Weighted Average Grant Date Fair Value at beginning of period	$ 373.58	$ 341.86	$ 381
Weighted Average Grant Date Fair Value, granted	450.71	453.64	315.51
Weighted Average Grant Date Fair Value, forfeited	400.67	362.18	354.44
Weighted Average Grant Date Fair Value, vested	370.75	356.22	368.41
Weighted Average Grant Date Fair Value at end of period	$ 404.05	$ 373.58	$ 341.86

No definition available.

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- Definition

The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

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- Definition

Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event.

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- Definition

The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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- Definition

The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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- Definition

The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(i)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(ii)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

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- Definition

Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options.

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- Definition

The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

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- Definition

The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement.

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