FAIR VALUE MEASUREMENTS (Details) - USD ($) $ in Thousands	Oct. 03, 2015	Jan. 03, 2015
Fair Value, Assets Measured on Recurring and Nonrecurring Basis
Asset held for sale	$ 1,615	$ 2,405
Significant Other Observable Inputs (Level 2)
Fair Value, Assets Measured on Recurring and Nonrecurring Basis
Estimated fair value of debt	248,000	191,100
Recurring Basis | Estimate of Fair Value Measurement
Fair Value, Assets Measured on Recurring and Nonrecurring Basis
Cash equivalents	3,200	5,400
Recurring Basis | Quoted Prices in Active Markets for Identical Assets (Level 1)
Fair Value, Assets Measured on Recurring and Nonrecurring Basis
Cash equivalents	3,200	5,400
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
Debt
Fair Value, Assets Measured on Recurring and Nonrecurring Basis
Carrying value of debt	$ 243,200	$ 177,200