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BASIS OF PRESENTATION (Details)
Mar. 31, 2018
item
$ / shares
Dec. 31, 2017
$ / shares
Basis of Presentation [Line Items]    
Common Stock, Par or Stated Value Per Share | $ / shares $ 2.5 $ 2.5
Minimum    
Basis of Presentation [Line Items]    
Number of Countries in which Entity Operates | item 80