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DEBT Revolving Credit Facility Narrative (Details) (Bank of America, N.A. and Wells Fargo Capital Finance, LLC [Member], Revolving Credit Facility [Member], USD $)
 6 Months Ended
Jun. 27, 2014
Line of Credit Facility [Line Items]  
Line of Credit Facility, Maximum Borrowing Capacity $ 80,000,000
Line of Credit Facility, Remaining Borrowing Capacity 80,000,000
Line of Credit Facility, Amount Outstanding 6,000,000
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage 0.25%
Percent of Eligible Accounts Receivable [Member]
  
Line of Credit Facility [Line Items]  
Revolving Credit Facility Borrowing Limits, Percent of Accounts Receivable 85.00%
Liquidation Value of Tacoma Headquarters Office Building [Member]
  
Line of Credit Facility [Line Items]  
Revolving Credit Facility Borrowing Limits, Liquidation Value Requirement, Pledged Real Estate 15,000,000
Revolving Credit Facility Borrowing Limits, Quarterly Reduction, Liquidation Value of Pledged Real Estate 400,000
Revolving Credit Facility Borrowing Limits, Liquidation Value of Pledged Real Estate 11,200,000
Revolving Credit Facility, Liquidity Requirement Component [Member]
  
Line of Credit Facility [Line Items]  
Line of Credit Facility, Remaining Borrowing Capacity 74,000,000
Revolving Credit Facility, Cash and Cash Equivalents Under Control Agreements 168,000,000
Revolving Credit Facility, Total Liquidity 242,000,000
London Interbank Offered Rate (LIBOR) [Member]
  
Line of Credit Facility [Line Items]  
Letters of Credit, Additional Basis Rate 0.125%
Minimum [Member] | Revolving Credit Facility, Liquidity Requirement Component [Member]
  
Line of Credit Facility [Line Items]  
Revolving Credit Facility, Liquidity Requirement $ 12,000,000