Long-Term Debt and Credit Arrangements (Revolving Credit Facility) (Details) - USD ($) $ in Thousands	6 Months Ended
Jun. 26, 2021	Dec. 26, 2020
Line of Credit Facility [Line Items]
Remaining Borrowing Capacity	$ 40,212
Amended Revolving Credit Facility [Member]
Line of Credit Facility [Line Items]
Maximum Borrowing Capacity	$ 75,000
Basis Spread on Variable Rate at End of Period	1.75%
Commitment Fee Percentage	0.25%
Debt, Weighted Average Interest Rate	2.67%	2.68%
Floor Interest Rate	0.75%
Debt Instrument, Covenant Compliance	As of the reporting date, the Company is in compliance with all such applicable covenants.
Debt Instrument, Covenant Description	The Company is only subject to the financial covenants if borrowing availability is less than 12.5% of the availability, and remains until the availability is greater than 12.5% for thirty consecutive days
Alternative [Member] \| Minimum [Member] \| London Interbank Offered Rate (LIBOR) \| Amended Revolving Credit Facility [Member]
Line of Credit Facility [Line Items]
Basis Spread on Variable Rate	1.50%
Alternative [Member] \| Maximum [Member] \| London Interbank Offered Rate (LIBOR) \| Amended Revolving Credit Facility [Member]
Line of Credit Facility [Line Items]
Basis Spread on Variable Rate	2.00%
Alternative B [Member] \| Minimum [Member] \| Daily Libor [Member] \| Amended Revolving Credit Facility [Member]
Line of Credit Facility [Line Items]
Basis Spread on Variable Rate	0.50%
Alternative B [Member] \| Maximum [Member] \| Daily Libor [Member] \| Amended Revolving Credit Facility [Member]
Line of Credit Facility [Line Items]
Basis Spread on Variable Rate	1.00%

Floor rate on an interest rate such as an interest rate floor or collar.

No definition available.

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- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

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- Definition

States whether the entity was in compliance with the debt covenants throughout the reporting period, and describes facts and circumstances of any compliance failure.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 470
-Section 50
-Paragraph 3
-Subparagraph (g)
-URI http://asc.fasb.org/extlink&oid=123599511&loc=d3e64711-112823

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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- Definition

Description of minimum financial levels (for example, tangible net worth and working capital) and achievement of certain financial ratios (for example, working capital ratio and debt service coverage ratio), and adherence to certain clauses which generally require or restrict certain actions (for example, entering into a debt arrangement with equal or greater seniority, and selling or discontinuing a certain business segment or material subsidiary) to be in compliance with the covenant clauses of the debt agreement. May also include a discussion of the adverse consequences that would result if the entity violates or fails to satisfy the covenants.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 470
-Section 50
-Paragraph 3
-Subparagraph (g)
-URI http://asc.fasb.org/extlink&oid=123599511&loc=d3e64711-112823

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- Definition

Weighted average interest rate of debt outstanding.

+ References

No definition available.

+ Details

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Period Type:	instant

- Definition

The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used.

+ References

No definition available.

+ Details

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- Definition

The effective interest rate at the end of the reporting period.

+ 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.

+ Details

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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

+ References

+ Details

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