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PENSION AND POST RETIREMENT PLANS (Details 3) (USD $)
In Millions, unless otherwise specified
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Recurring basis | Significant Unobservable Inputs (Level 3)
      
Changes in plan assets      
Balance at the beginning of the period $ 8.6 $ 8.6  
Actual return (loss) on plan assets:      
Assets held at the reporting date 0.7 1.7  
Assets sold during the period 0.4 0.1  
Purchases, sales and settlements, net (0.8) (1.8)  
Balance at the end of the period 8.9 8.6  
Recurring basis | Significant Unobservable Inputs (Level 3) | Real Estate
      
Changes in plan assets      
Balance at the beginning of the period 7.8 7.1  
Actual return (loss) on plan assets:      
Assets held at the reporting date 0.9 1.6  
Assets sold during the period 0.3 (0.2)  
Purchases, sales and settlements, net (0.4) (0.7)  
Balance at the end of the period 8.6 7.8  
Recurring basis | Significant Unobservable Inputs (Level 3) | Private Equity
      
Changes in plan assets      
Balance at the beginning of the period 0.8 0.8  
Actual return (loss) on plan assets:      
Assets held at the reporting date (0.2) 0.1  
Assets sold during the period 0.1 0.3  
Purchases, sales and settlements, net (0.4) (0.4)  
Balance at the end of the period 0.3 0.8  
Recurring basis | Significant Unobservable Inputs (Level 3) | Insurance
      
Changes in plan assets      
Balance at the beginning of the period   0.7  
Actual return (loss) on plan assets:      
Purchases, sales and settlements, net   (0.7)  
Pension Benefits
      
Changes in plan assets      
Balance at the beginning of the period 149.2 126.0  
Actual return (loss) on plan assets:      
Balance at the end of the period 172.8 149.2 126.0
Employer contribution 3.5 13.3 4.4
Pension Benefits | Significant Unobservable Inputs (Level 3)
      
Actual return (loss) on plan assets:      
Balance at the end of the period 8.9 8.6  
Pension Benefits | Significant Unobservable Inputs (Level 3) | Real Estate
      
Actual return (loss) on plan assets:      
Balance at the end of the period 8.6 7.8  
Pension Benefits | Significant Unobservable Inputs (Level 3) | Private Equity
      
Actual return (loss) on plan assets:      
Balance at the end of the period $ 0.3 $ 0.8