FAIR VALUE MEASUREMENTS - Carrying Amount and Estimated Fair Values of Financial Instruments (Details) - USD ($) $ in Thousands	Jan. 02, 2016	Jan. 03, 2015
Carrying Amount
Carrying amount and estimated fair values of financial instruments
Short-term borrowings	$ 3,121	$ 3,772
Long-term debt	74,247	71,000
Fair Value
Carrying amount and estimated fair values of financial instruments
Short-term borrowings	3,121	3,772
Long-term debt	$ 73,908	$ 69,761