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) (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) (Detail) (USD $)
In Millions, unless otherwise specified
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Defined Benefit Plan Disclosure [Line Items]      
Accumulated other comprehensive loss $ 202.2 $ 276.4 $ 300.3
Pension Benefits
      
Defined Benefit Plan Disclosure [Line Items]      
Prior service cost, net of accumulated taxes of $3.1 and $3.5 in 2013 and 2012, respectively, for pension benefits and $(2.6) and $(0.3) in 2013 and 2012, respectively, for other benefits 5.1 6.0  
Net actuarial loss, net of accumulated taxes of $112.0 and $151.5 in 2013 and 2012, respectively, for pension benefits and $2.8 and $4.6 in 2013 and 2012, respectively, for other benefits 196.7 262.9  
Accumulated other comprehensive loss 201.8 268.9  
Other Benefits
      
Defined Benefit Plan Disclosure [Line Items]      
Prior service cost, net of accumulated taxes of $3.1 and $3.5 in 2013 and 2012, respectively, for pension benefits and $(2.6) and $(0.3) in 2013 and 2012, respectively, for other benefits (4.3) (0.4)  
Net actuarial loss, net of accumulated taxes of $112.0 and $151.5 in 2013 and 2012, respectively, for pension benefits and $2.8 and $4.6 in 2013 and 2012, respectively, for other benefits 4.7 7.9  
Accumulated other comprehensive loss $ 0.4 $ 7.5