PENSIONS AND OTHER POSTRETIREMENT BENEFITS (Estimated Net Periodic Benefit Cost) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Pension Plan [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Defined Benefit Plan, Service Cost	$ 6.3	$ 6.7
Defined Benefit Plan, Interest Cost	9.4	10.1
Defined Benefit Plan, Expected Return on Plan Assets	(14.9)	(14.5)
Defined Benefit Plan, Amortization of Prior Service Cost (Credit)	0.6	0.6
Defined Benefit Plan, Amortization of Gains (Losses)	5.4	3.5
Defined Benefit Plan, Curtailments	0.3	0.3
Defined Benefit Plan, Net Periodic Benefit Cost	7.1	6.7
Other Postretirement Benefit Plans, Defined Benefit [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Defined Benefit Plan, Service Cost	1.5	1.7
Defined Benefit Plan, Interest Cost	3.3	3.4
Defined Benefit Plan, Expected Return on Plan Assets	(4.6)	(4.3)
Defined Benefit Plan, Amortization of Prior Service Cost (Credit)	(0.9)	(0.9)
Defined Benefit Plan, Amortization of Gains (Losses)	3.1	1.3
Defined Benefit Plan, Net Periodic Benefit Cost	$ 2.4	$ 1.2