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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Summary of Significant Accounting Policies (Details) - USD ($)
12 Months Ended
Mar. 26, 2016
Jan. 01, 2017
Dec. 25, 2015
Dec. 26, 2014
Advertising Expense   $ 7,800,000 $ 9,100,000 $ 6,200,000
Allowance for doubtful accounts   $ 5,160,000 5,902,000  
Operating leases, maximum period afforded to each party to cancel lease agreements   90 days    
Impairment loss $ 65,869,000 $ 65,869,000 0 0
Impairment of Long-Lived Assets Held-for-use   37,700,000 0 0
Increase (Decrease) in Restricted Cash   $ 19,773,000 $ (18,374,000) $ 9,283,000
Minimum        
Operating Leases, Renewal Option Period   3 years    
Reporting Unit, Percentage of Fair Value in Excess of Carrying Amount   20.00%    
Maximum        
Operating Leases, Renewal Option Period   5 years    
Building and Building Improvements        
Property, Plant and Equipment, Useful Life   40 years    
Furniture and equipment | Minimum        
Property, Plant and Equipment, Useful Life   3 years    
Furniture and equipment | Maximum        
Property, Plant and Equipment, Useful Life   10 years    
Computers and software | Minimum        
Property, Plant and Equipment, Useful Life   3 years    
Computers and software | Maximum        
Property, Plant and Equipment, Useful Life   10 years