Quarterly report pursuant to Section 13 or 15(d)

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

v3.8.0.1
RELATED PARTIES RELATED PARTIES (Summary of Balance Sheet Presentation) (Details) - USD ($)
$ in Millions
Sep. 30, 2017
Dec. 31, 2016
Related Party Transaction [Line Items]    
Due to Related Parties, Current $ (45.3) $ (8.7)
Due to Related Parties, Noncurrent (44.2) 0.0
Related Party Transaction, Due from (to) Related Party 1.5 65.0
Trade Accounts Receivable [Member]    
Related Party Transaction [Line Items]    
Due from Related Parties, Current 4.5 46.9
Other Current Assets [Member]    
Related Party Transaction [Line Items]    
Due from Related Parties, Current 3.4 0.0
Derivative [Member]    
Related Party Transaction [Line Items]    
Due from Related Parties, Current 88.5 26.8
Due to Related Parties, Current $ (5.4) $ 0.0