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LONG-TERM DEBT Revolving Credit Facility Narrative (Details) - Bank of America, N.A. and Wells Fargo Capital Finance, LLC [Member] - USD ($)
 12 Months Ended
Jun. 30, 2014
Dec. 25, 2015
Revolving Credit Facility [Line Items]    
Revolving Credit Facility, interest rate description one-month  
Revolving Credit Facility, interest rate at period end   1.84%
Revolving Credit Facility [Member]    
Revolving Credit Facility [Line Items]    
Revolving Credit Facility, maximum borrowing capacity $ 300,000,000.0  
Revolving Credit Facility, current borrowing capacity   $ 300,000,000
Revolving Credit Facility, amount outstanding   4,600,000
Revolving Credit Facility, utilization threshold 25.00%  
Percent of Eligible Billed Accounts Receivable [Member] [Member] | Revolving Credit Facility [Member]    
Revolving Credit Facility [Line Items]    
Revolving Credit Facility Borrowing Limits, Percent of Accounts Receivable 90.00%  
Percent of Eligible Accounts Receivable [Member] | Revolving Credit Facility [Member]    
Revolving Credit Facility [Line Items]    
Revolving Credit Facility Borrowing Limits, Percent of Accounts Receivable 15.00%  
Percent of Eligible Unbilled Accounts Receivable [Member] [Member] | Revolving Credit Facility [Member]    
Revolving Credit Facility [Line Items]    
Revolving Credit Facility Borrowing Limits, Percent of Accounts Receivable 85.00%  
Liquidation Value of Tacoma Headquarters Office Building [Member] | Revolving Credit Facility [Member]    
Revolving Credit Facility [Line Items]    
Revolving Credit Facility Borrowing Limits, Liquidation Value Requirement, Pledged Real Estate $ 17,400,000  
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   15,300,000
Revolving Credit Facility, Liquidity Requirement Component [Member] | Revolving Credit Facility [Member]    
Revolving Credit Facility [Line Items]    
Revolving Credit Facility, remaining borrowing capacity   77,300,000
Revolving Credit Facility, cash and cash equivalents under control agreements   27,600,000
Revolving Credit Facility, total liquidity   $ 104,900,000
London Interbank Offered Rate (LIBOR) [Member] | Revolving Credit Facility [Member]    
Revolving Credit Facility [Line Items]    
Revolving Credit Facility, additional base rate 1.00% 1.50%
Letters of Credit, additional basis rate 0.125%  
Base rate [Member] | Revolving Credit Facility [Member]    
Revolving Credit Facility [Line Items]    
Revolving Credit Facility, additional base rate 0.50% 0.50%
Minimum | Revolving Credit Facility, Liquidity Requirement Component [Member] | Revolving Credit Facility [Member]    
Revolving Credit Facility [Line Items]    
Revolving Credit Facility, liquidity requirement $ 37,500,000  
Minimum | London Interbank Offered Rate (LIBOR) [Member] | Revolving Credit Facility [Member]    
Revolving Credit Facility [Line Items]    
Debt Instrument, basis spread on variable rate 1.25%  
Minimum | Base rate [Member] | Revolving Credit Facility [Member]    
Revolving Credit Facility [Line Items]    
Debt Instrument, basis spread on variable rate 0.25%  
Maximum | London Interbank Offered Rate (LIBOR) [Member] | Revolving Credit Facility [Member]    
Revolving Credit Facility [Line Items]    
Debt Instrument, basis spread on variable rate 2.00%  
Maximum | Base rate [Member] | Revolving Credit Facility [Member]    
Revolving Credit Facility [Line Items]    
Debt Instrument, basis spread on variable rate 1.00%  
Less than 25% utilization [Member] | Revolving Credit Facility [Member]    
Revolving Credit Facility [Line Items]    
Revolving Credit Facility, unused capacity, commitment fee percentage 0.375%  
Greater than or equal to 25% utilization [Member] | Revolving Credit Facility [Member]    
Revolving Credit Facility [Line Items]    
Revolving Credit Facility, unused capacity, commitment fee percentage 0.25%