Age in which the Company's associates are eligible for retirement.

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The minimum market value per share to calculate the number of shares to be issued if the market value per share is less than the minimum per share on the grant date.

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The fair value at grant date for nonvested equity-based awards issued.

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The fair value at grant date for nonvested equity-based instruments issued.

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The number of grants made for non-vested equity-based awards.

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No definition available.

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Weighted-average period over which cost not yet recognized is expected to be recognized for 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://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (i)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

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Amount of cost to be recognized for nonvested award under share-based payment arrangement. Excludes share and unit options.

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

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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.

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

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Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash.

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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.

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No definition available.

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Stock Plans and Stock Compensation Expense (Restricted Stock Awards) (Details) $ / shares in Units, $ in Thousands								12 Months Ended
	Jun. 06, 2022 USD ($) $ / shares shares	Jun. 01, 2022 USD ($) $ / shares shares	May 05, 2022 USD ($) $ / shares shares	Mar. 12, 2022 USD ($) $ / shares shares	May 10, 2021 USD ($) $ / shares shares	Mar. 10, 2021 USD ($) $ / shares shares	Feb. 01, 2021 USD ($) $ / shares shares	Dec. 31, 2022 USD ($) yr $ / shares	Dec. 25, 2021 USD ($)	Dec. 26, 2020 $ / shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Minimum market value (in dollars per share) \| $ / shares								$ 5.00		$ 5.00
Primary Long-Term Incentive Award
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period								3 years
Career Shares Award \| Share-based Payment Arrangement, Tranche One
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period								2 years
Age eligible for retirement \| yr								60
Career Shares Award \| Share-based Payment Arrangement, Tranche Two
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period								5 years
Age eligible for retirement \| yr								60
Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock granted (in shares) \| shares	24,000	78,957	40,000	284,954			22,000
Fair value of restricted stock	$ 48	$ 150	$ 107	$ 863			$ 86
Weighted average value of restricted stock (in dollars per shares) \| $ / shares	$ 2.00	$ 1.90	$ 2.67	$ 3.03			$ 3.89
Compensation not yet recognized								$ 1,811
Compensation cost not yet recognized, period for recognition	4 years	3 years	1 year	5 years 6 months			2 years 6 months	6 years
Nonvested awards, vested in period, fair value								$ 399	$ 243
Restricted Stock \| Employees
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock granted (in shares) \| shares						325,680
Fair value of restricted stock						$ 984
Weighted average value of restricted stock (in dollars per shares) \| $ / shares						$ 3.02
Compensation cost not yet recognized, period for recognition						5 years 3 months 18 days
Restricted Stock \| Non-employee directors
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock granted (in shares) \| shares					40,000
Fair value of restricted stock					$ 138
Weighted average value of restricted stock (in dollars per shares) \| $ / shares					$ 3.46
Compensation cost not yet recognized, period for recognition					1 year