Discontinued Operations (Statement of Operations) (Details) - Discontinued Operations, Disposed of by Sale - Commercial Divestiture - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 25, 2022	Jun. 26, 2021	Jun. 25, 2022	Jun. 26, 2021
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net Sales	$ 2,480	$ 14,851	$ 7,489	$ 28,405
Cost of sales	2,788	11,641	6,895	22,594
Gross Profit	(308)	3,210	594	5,811
Selling and administrative expenses	222	4,150	1,138	8,461
Other operating (Income) Expense	(52)		(52)
Discontinued Income (Loss), related to the divestiture of the Commercial business	$ (478)	$ (940)	$ (492)	$ (2,650)

Disposal Group, Including Discontinued Operation, Other Income (Expense)

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- Definition

Disposal Group, Including Discontinued Operation, Selling and Administrative Expense

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Amount of costs of goods sold attributable to disposal group, including, but not limited to, discontinued operation.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 205
-SubTopic 20
-Section 50
-Paragraph 7
-URI https://asc.fasb.org/extlink&oid=109222650&loc=SL51721683-107760

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-Section 50
-Paragraph 5B
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Amount of gross profit attributable to disposal group, including, but not limited to, discontinued operation.

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Amount of operating income (loss) attributable to disposal group, including, but not limited to, discontinued operation.

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Amount of revenue attributable to disposal group, including, but not limited to, discontinued operation.

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-Publisher FASB
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-Publisher FASB
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-SubTopic 20
-Section 50
-Paragraph 7
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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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