Long-Term Debt and Credit Arrangements (Acquisition Note Payable - Development Authority of Gordon County) (Details) - Note payable, Development Authority [Member] $ in Thousands	12 Months Ended
Dec. 29, 2018 USD ($) mo	Nov. 02, 2012 USD ($) Rate
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage \| Rate		6.00%
Acquisition note payable - Development Authority of Gordon County		$ 5,500
Debt Instrument, Periodic Payment	$ 106
Term of Development Authority of Gordon County (in months) \| mo	57

Obligation to Development Authority of Gordon County

No definition available.

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- Definition

Term of Obligation to Development Authority of Gordon County

+ References

No definition available.

+ Details

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

+ Details

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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

Amount of the required periodic payments including both interest and principal payments.

+ 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=6877327&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 (c)
-URI http://asc.fasb.org/extlink&oid=75038535&loc=d3e64711-112823

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