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POSTRETIREMENT BENEFITS (Details 6) (Other Postretirement Benefit Plans, Defined Benefit [Member], USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Other Postretirement Benefit Plans, Defined Benefit [Member]
 
One-Percentage Point Increase [Abstract]  
Effect of one percentage point increase on total of service and interest costs $ 0.2
Effect of one percentage point increase on postretirement benefit obligation 3.4
One-Percentage Point Decrease [Abstract]  
Effect of one percentage point decrease on total of service and interest costs (0.2)
Effect of one percentage point decrease on postretirement benefit obligation $ (2.9)