CONTINGENCIES - Litigation Contingency Accrual (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Loss Contingency Accrual [Roll Forward]
Litigation contingency accrual - Beginning of period	$ 1.9	$ 0.0	$ 1.9	$ 0.4
Adjustment to accruals - expense (income)	0.2	(0.1)	0.2	(0.1)
Cash payments	0.0	0.1	0.0	(0.3)
Litigation contingency accrual - End of period	$ 2.1	$ 0.0	$ 2.1	$ 0.0