EMPLOYEE BENEFIT PLANS (Net Periodic Cost For Pension and Postretirement Benefit Plans) (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Pension Plans, Defined Benefit
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Service cost	$ 0.5	$ 0.9	$ 1.5	$ 2.7
Interest cost	8.2	10.9	24.9	32.8
Expected return on plan assets	(10.7)	(12.7)	(32.5)	(38.3)
Net amortization	0.0	0.0	0.1	0.1
Net periodic (benefit) cost	(2.0)	(0.9)	(6.0)	(2.7)
Other Postretirement Benefit Plans, Defined Benefit
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Service cost	0.2	0.3	0.8	0.7
Interest cost	2.0	2.0	5.9	6.0
Expected return on plan assets	(0.3)	(0.3)	(0.9)	(1.0)
Net amortization	(0.7)	(0.8)	(2.1)	(2.3)
Net periodic (benefit) cost	$ 1.2	$ 1.2	$ 3.7	$ 3.4