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STOCK-BASED COMPENSATION - Employee Stock Purchase Plan (Details) (USD $)
12 Months Ended
Dec. 28, 2012
Dec. 30, 2011
Dec. 31, 2010
Employee Stock Purchase Plan, Period Activity [Abstract]      
Shares issued during period 95,000 83,000 81,000
Average price per share issued (in dollars per share) $ 12.41 $ 11.95 $ 10.75
Employee stock
     
Employee Stock Purchase Plan [Abstract]      
Maximum employee subscription rate 10.00%    
Purchase price of common stock, percent of market value 85.00%    
ESPP shares reserved for purchase 1,000,000    
Employee stock purchase plan requisite service period 1 month    
Employee Stock Purchase Plan, Period Activity [Abstract]      
Shares purchased by participants 200,000