Annual report pursuant to Section 13 and 15(d)

BENEFIT PLANS (Benefit Costs Included in Accumulated Other Comprehensive Loss that have not yet Recognized in Net Periodic Pension Cost) (Parenthetical) (Detail)

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BENEFIT PLANS (Benefit Costs Included in Accumulated Other Comprehensive Loss that have not yet Recognized in Net Periodic Pension Cost) (Parenthetical) (Detail) (USD $)
In Millions, unless otherwise specified
Dec. 31, 2013
Dec. 31, 2012
Pension Benefits
   
Defined Benefit Plan Disclosure [Line Items]    
Prior service cost, accumulated taxes $ 3.1 $ 3.5
Net Actuarial Loss, Accumulated Taxes 112.0 151.5
Other Benefits
   
Defined Benefit Plan Disclosure [Line Items]    
Prior service cost, accumulated taxes (2.6) (0.3)
Net Actuarial Loss, Accumulated Taxes $ 2.8 $ 4.6