INCOME TAXES (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Dec. 31, 2017
Income Tax Disclosure [Abstract]
Effective income tax rate	(31.90%)	(14.50%)
Unrecognized tax benefits	$ 5.6		$ 5.1
Interest on unrecognized tax benefits	0.4		$ 0.5
Reduction in unrecognized tax benefits from expiring statue of limitations	$ 1.4