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INTANGIBLE AND OTHER ASSETS (Details 2) (USD $)
3 Months Ended 9 Months Ended
Sep. 28, 2013
Sep. 29, 2012
Sep. 28, 2013
Sep. 29, 2012
INTANGIBLE AND OTHER ASSETS        
Amortization expense for intangible assets $ 1,300,000 $ 900,000 $ 3,900,000 $ 2,400,000
Estimated aggregate future amortization expense by fiscal year        
2013 (remaining) 1,285,000   1,285,000  
2014 5,147,000   5,147,000  
2015 4,755,000   4,755,000  
2016 4,616,000   4,616,000  
2017 4,358,000   4,358,000  
2018 $ 3,993,000   $ 3,993,000