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