PENSIONS AND OTHER POSTRETIREMENT BENEFITS (Narrative) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Pension Plans, Defined Benefit [Member]
Definted Benefit Plan Disclosure [Line Items]
Pension Contributions	$ 3.7	$ 14.4
Other Postretirement Benefit Plans, Defined Benefit [Member]
Definted Benefit Plan Disclosure [Line Items]
Other Postretirement Benefit Expense	$ 14.1	$ 21.9