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GOODWILL AND INTANGIBLE ASSETS - NARRATIVE (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Oct. 02, 2016
Oct. 04, 2015
Oct. 02, 2016
Oct. 04, 2015
Goodwill [Line Items]        
Amortization expense $ 7,666 $ 5,340 $ 18,811 $ 16,469