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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Schedule of Revenue from External Customers by Geographic Areas) (Details) - Sales Revenue, Net - Credit Concentration Risk
12 Months Ended
Dec. 25, 2016
Dec. 27, 2015
Dec. 28, 2014
Maryland      
Revenue, Major Customer [Line Items]      
Concentration risk, percentage 13.00% 4.00% 0.00%
North Carolina      
Revenue, Major Customer [Line Items]      
Concentration risk, percentage 10.00% 11.00% 13.00%
Rhode Island      
Revenue, Major Customer [Line Items]      
Concentration risk, percentage 13.00% 17.00% 21.00%
Texas      
Revenue, Major Customer [Line Items]      
Concentration risk, percentage 32.00% 41.00% 33.00%