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COMPENSATION PLANS (Restricted Stock Units) (Details) (USD $)
In Millions, except Share data, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 29, 2012
Oct. 01, 2011
Sep. 29, 2012
Oct. 01, 2011
Dec. 31, 2011
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Compensation expense recognized $ 1.2 $ 0.7 $ 3.3 $ 3.0  
Stock Incentive Plan 2007 [Member]
         
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Compensation expense recognized 1.2 0.9 3.3 2.1  
Stock Incentive Plan 2007 [Member] | Restricted Stock Units [Member]
         
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Restricted stock units issued 57,956   149,725    
Unrecognized compensation expense recognized 2.8   2.8   6.7
Vesting period of compensation expense recognized     3 years    
Compensation expense recognized $ 1.1 $ 0.6 $ 1.9 $ 0.8  
Stock Incentive Plan 2007 [Member] | Restricted Stock Units [Member] | Maximum [Member]
         
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Vesting period of compensation expense recognized 5 years        
Stock Incentive Plan 2007 [Member] | Restricted Stock Units [Member] | Minimum [Member]
         
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Vesting period of compensation expense recognized 3 years