Annual report pursuant to Section 13 and 15(d)

BENEFIT PLANS (Fair Value of Pension Assets) (Detail)

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BENEFIT PLANS (Fair Value of Pension Assets) (Detail) (Pension Benefits, USD $)
In Millions, unless otherwise specified
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets $ 568.1 $ 548.0 $ 583.0
Large-Cap Equity
     
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 121.1    
Small- and Mid-Cap Equity
     
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 28.4    
International Equity
     
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 108.5    
Fixed Income
     
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 151.1    
Private Equity
     
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 38.7    
Hedge Funds
     
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 82.9    
Real Assets
     
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 31.8    
Cash
     
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 5.6    
Quoted Prices in Active Markets for Identical Assets (Level 1)
     
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 232.8    
Quoted Prices in Active Markets for Identical Assets (Level 1) | Large-Cap Equity
     
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 121.1    
Quoted Prices in Active Markets for Identical Assets (Level 1) | Small- and Mid-Cap Equity
     
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 28.4    
Quoted Prices in Active Markets for Identical Assets (Level 1) | International Equity
     
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 46.7    
Quoted Prices in Active Markets for Identical Assets (Level 1) | Fixed Income
     
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 11.4    
Quoted Prices in Active Markets for Identical Assets (Level 1) | Private Equity
     
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 0    
Quoted Prices in Active Markets for Identical Assets (Level 1) | Hedge Funds
     
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 0    
Quoted Prices in Active Markets for Identical Assets (Level 1) | Real Assets
     
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 19.6    
Quoted Prices in Active Markets for Identical Assets (Level 1) | Cash
     
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 5.6    
Significant Other Observable Inputs (Level 2)
     
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 201.5    
Significant Other Observable Inputs (Level 2) | Large-Cap Equity
     
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 0    
Significant Other Observable Inputs (Level 2) | Small- and Mid-Cap Equity
     
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 0    
Significant Other Observable Inputs (Level 2) | International Equity
     
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 61.8    
Significant Other Observable Inputs (Level 2) | Fixed Income
     
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 139.7    
Significant Other Observable Inputs (Level 2) | Private Equity
     
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 0    
Significant Other Observable Inputs (Level 2) | Hedge Funds
     
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 0    
Significant Other Observable Inputs (Level 2) | Real Assets
     
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 0    
Significant Other Observable Inputs (Level 2) | Cash
     
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 0    
Significant Unobservable Inputs (Level 3)
     
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 133.8    
Significant Unobservable Inputs (Level 3) | Large-Cap Equity
     
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 0    
Significant Unobservable Inputs (Level 3) | Small- and Mid-Cap Equity
     
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 0    
Significant Unobservable Inputs (Level 3) | International Equity
     
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 0    
Significant Unobservable Inputs (Level 3) | Fixed Income
     
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 0    
Significant Unobservable Inputs (Level 3) | Private Equity
     
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 38.7    
Significant Unobservable Inputs (Level 3) | Hedge Funds
     
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 82.9    
Significant Unobservable Inputs (Level 3) | Real Assets
     
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 12.2    
Significant Unobservable Inputs (Level 3) | Cash
     
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets $ 0