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FAIR VALUE MEASUREMENTS (Details) - USD ($)
$ in Thousands
Oct. 01, 2016
Jan. 02, 2016
Fair Value, Assets Measured on Recurring and Nonrecurring Basis    
Asset held for sale $ 0 $ 1,613
Recurring Basis    
Fair Value, Assets Measured on Recurring and Nonrecurring Basis    
Cash equivalents 3,400 3,900
Recurring Basis | Quoted Prices in Active Markets for Identical Assets (Level 1)    
Fair Value, Assets Measured on Recurring and Nonrecurring Basis    
Cash equivalents 3,400 3,900
Recurring Basis | Significant Other Observable Inputs (Level 2)    
Fair Value, Assets Measured on Recurring and Nonrecurring Basis    
Cash equivalents 0 0
Recurring Basis | Significant Unobservable Inputs (Level 3)    
Fair Value, Assets Measured on Recurring and Nonrecurring Basis    
Cash equivalents 0 0
Fair value | Significant Other Observable Inputs (Level 2)    
Fair Value, Assets Measured on Recurring and Nonrecurring Basis    
Debt 194,000 225,000
Carrying value    
Fair Value, Assets Measured on Recurring and Nonrecurring Basis    
Debt $ 190,100 $ 220,700