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STOCK-BASED COMPENSATION - Restricted and Unrestricted Stock and Performance Share Units (Details) - $ / shares
shares in Thousands
12 Months Ended
Dec. 31, 2017
Jan. 01, 2017
Dec. 25, 2015
Share-based Compensation by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]      
Non-vested at beginning of period (in shares) 1,209    
Granted (in shares) 657    
Vested (in shares) (438)    
Forfeited (in shares) (107)    
Non-vested at the end of the period (in shares) 1,321 1,209  
Share-based Compensation by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Roll Forward]      
Non-vested at start of the period (in dollars per share) $ 22.76    
Granted (in dollars per share) 25.45 $ 21.53 $ 23.03
Vested (in dollars per share) 23.73    
Forfeited (in dollars per share) 24.65    
Non-vested at end of the period (in dollars per share) $ 23.50 $ 22.76