Quarterly report pursuant to Section 13 or 15(d)

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

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BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES (Foreign Currency Translation) (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Jun. 30, 2018
Jun. 30, 2017
Foreign currency transaction gain (loss), before tax $ (0.1) $ 0.5 $ (0.5) $ 15.3
Short-term intercompany loan [Member]        
Foreign currency transaction gain (loss), before tax (0.1) 1.5 (0.3) 16.6
Other Remeasurement        
Foreign currency transaction gain (loss), before tax $ 0.0 $ (1.0) $ (0.2) $ (1.3)