INCOME TAXES (Taxes Paid) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Income taxes
Income taxes paid (in dollars)	$ 1.1
Income tax refunds received (in dollars)	$ 1.0
Maximum
Income taxes
Income taxes paid (in dollars)		$ 0.1
Income tax refunds received (in dollars)		$ 0.1