INCOME TAXES Income Tax Expense (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Income Tax Disclosure [Abstract]
Income tax expense	$ 19.3	$ 8.9	$ 39.0	$ 16.5
Income Tax Expense, Increase from Prior Year, Percent Change	116.90%		136.40%
Effective income tax rate	22.30%	11.30%	22.00%	8.80%
Effective Tax Rate, Increase from Prior Year, Basis Point Change	1,100		1,320