Earnings Per Share Note [Line Items]

No definition available.

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- Definition

Employee tenure requirement to participate in plan.

+ References

No definition available.

+ Details

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- Definition

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI https://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257

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- Definition

Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

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- Definition

Discount rate from fair value on purchase date that participants pay for shares.

+ 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
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

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- Definition

The addition or reduction in the number of reserved shares that could potentially be issued under the option plan attributable to reasons other than grants, exercises, forfeitures, and expirations during the reporting period.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(iv)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

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- Definition

Number of options outstanding, including both vested and non-vested options.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(ii)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(i)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

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Net Income (Loss) per Share - Additional Information (Detail) - shares					3 Months Ended		9 Months Ended
	Mar. 01, 2022	Mar. 01, 2020	Mar. 01, 2019	Jan. 01, 2019	Sep. 24, 2022	Sep. 25, 2021	Sep. 24, 2022	Sep. 25, 2021	Dec. 25, 2021
Earnings Per Share Note [Line Items]
Stock option outstanding					215,542		215,542		221,354
Common Class A
Earnings Per Share Note [Line Items]
Antidilutive securities excluded from computation of earnings per share					12,318	182,000	25,309	16,000
Investment Share Program
Earnings Per Share Note [Line Items]
Vesting period							5 years
Investment Share Program \| Minimum
Earnings Per Share Note [Line Items]
Requirement tenure of employee for investment share program, purchase shares at discount							1 year
Discount from current market value							20.00%
Investment Share Program \| Maximum
Earnings Per Share Note [Line Items]
Requirement tenure of employee for investment share program, purchase shares at discount							2 years
Discount from current market value							40.00%
Restricted Stock Awards
Earnings Per Share Note [Line Items]
Vesting period	4 years	4 years	4 years	5 years
Performance Based Awards
Earnings Per Share Note [Line Items]
Stock option outstanding					1,348		1,348
Performance Based Awards \| Common Class A
Earnings Per Share Note [Line Items]
Number of shares not included because the performance criteria was not expected to be met							17,114