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STOCK-BASED COMPENSATION - Employee Stock Purchase Plan (Details) (Employee stock, USD $)
In Millions, except Share data, unless otherwise specified
3 Months Ended
Mar. 29, 2013
Mar. 30, 2012
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  
Shares purchased by participants 24,000 28,000
Proceeds from participant purchases $ 0.3 $ 0.3