INCOME TAXES - Recent Accounting Pronouncements (Details) - USD ($)
12 Months Ended
Dec. 30, 2016
Jan. 01, 2016
Jan. 02, 2015
New Accounting Pronouncements      
Current liabilities $ 51,052,000 $ 28,016,000  
ASU 2015-17 | Early adoption effect      
New Accounting Pronouncements      
Non-current assets     $ (3,100,000)
ASU 2016-09 | Early adoption effect      
New Accounting Pronouncements      
Decrease to tax expense $ 194,000