Quarterly report pursuant to Section 13 or 15(d)

PENSIONS AND OTHER POSTRETIREMENT BENEFITS (Narrative) (Details)

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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