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STOCK-BASED COMPENSATION - Components of Stock-based Compensation Expense (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended
Mar. 29, 2013
Mar. 30, 2012
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]    
Stock-based compensation expense $ 2.9 $ 2.9
Restricted and unrestricted stock and performance share units expense
   
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]    
Stock-based compensation expense 2.8 2.8
ESPP expense
   
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]    
Stock-based compensation expense $ 0.1 $ 0.1