Annual report pursuant to Section 13 and 15(d)

RELATED PARTIES (Summary of Balance Sheet Presentation) (Details)

v3.8.0.1
RELATED PARTIES (Summary of Balance Sheet Presentation) (Details) - USD ($)
$ in Millions
Dec. 31, 2017
Dec. 31, 2016
Related Party Transaction [Line Items]    
Short-term Notes Payable $ (44.2) $ (8.7)
Due to Related Parties, Current (12.3) 0.0
Due to Related Parties, Noncurrent (41.4) 0.0
Related Party Transaction, Due from (to) Related Party 8.1 65.0
Trade Accounts Receivable [Member]    
Related Party Transaction [Line Items]    
Due from Related Parties, Current 68.1 46.9
Derivative [Member]    
Related Party Transaction [Line Items]    
Due from Related Parties, Current $ 37.9 $ 26.8