Quarterly report pursuant to Section 13 or 15(d)

BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES (Foreign Currency Translation) (Details)

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BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES (Foreign Currency Translation) (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Foreign Currency Transaction Gain (Loss), before Tax $ 0.0 $ 0.2 $ 13.6 $ (0.9)
Short-term intercompany loan [Member]        
Foreign Currency Transaction Gain (Loss), before Tax 1.5 (0.1) 16.6 0.2
Cash and Cash Equivalents [Member]        
Foreign Currency Transaction Gain (Loss), before Tax (0.5) 0.5 (1.7) 1.5
Other Remeasurement        
Foreign Currency Transaction Gain (Loss), before Tax $ (1.0) $ (0.2) $ (1.3) $ (2.6)