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Discontinued Operation (Details) (Composites LLC [Member], USD $) | 12 Months Ended
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Dec. 28, 2013 | Dec. 29, 2012 | Dec. 31, 2011
Composites LLC [Member] |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |
Settlement liabilities |  |  | $ 2,577,000
Loss contingency accrual carrying value adjustments |  | 1,574,000 |
Total amount paid for the claims |  | 647,000 |
Operating (loss) income | $ (96,000) | $ 1,194,000 | $ (1,520,000)

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