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Environmental Compliance Costs (Details) (USD $) In Thousands, unless otherwise specified |  |  | 12 Months Ended |  | 12 Months Ended |  |  |  |  |  | 12 Months Ended
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Dec. 28, 2013 | Dec. 29, 2012 | Dec. 28, 2013 Minimum [Member] | Dec. 28, 2013 Maximum [Member] | Dec. 28, 2013 Comprehensive Environmental Response, Compensation, and Liability Act [Member] environmental_remediation_sites | Jan. 02, 2010 Spartanburg Plant [Member] | Dec. 31, 2000 Spartanburg Plant [Member] solid_waste_management_units | Dec. 28, 2013 Augusta Plant [Member] | Dec. 29, 2012 Augusta Plant [Member] | Dec. 28, 2013 Bristol, Tennessee Facility [Member] solid_waste_management_units | Dec. 29, 2012 Bristol, Tennessee Facility [Member] | Jan. 01, 2011 Superfund Site [Member]
Environmental Exit Cost [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Environmental remediation reserves | $ 626 | $ 640 |  |  |  |  |  | $ 551 | $ 565 | $ 75 | $ 75 |
Environmental remediation costs, period of recognition (years) |  |  | 3 years | 4 years |  |  |  |  |  |  |  |
Number of solid waste management units |  |  |  |  |  |  | 14 |  |  | 2 |  |
Environmental charges |  |  |  |  |  | 968 |  |  |  |  |  |
Number of environmental remediation sites (sites) |  |  |  |  | 2 |  |  |  |  |  |  |
De minimis environmental remediation settlement |  |  |  |  |  |  |  |  |  |  |  | $ 2

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