DERIVATIVE FINANCIAL INSTRUMENTS -Effect of derivative instruments not designated as hedges on income (Details) - Derivatives not designated as hedges - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Derivative [Line Items]
Derivative, Gain (Loss) on Derivative, Net	$ (0.7)	$ (0.4)	$ (0.9)	$ (0.4)
Foreign exchange contracts | Cost of goods sold
Derivative [Line Items]
Derivative, Gain (Loss) on Derivative, Net	(0.6)	0.1	(0.6)	(0.2)
Foreign exchange contracts | Other income (expense) – net
Derivative [Line Items]
Derivative, Gain (Loss) on Derivative, Net	(0.1)	(0.4)	(0.3)	(0.2)
Debt conversion feature | Other income (expense) – net
Derivative [Line Items]
Derivative, Gain (Loss) on Derivative, Net	$ 0.0	$ (0.1)	$ 0.0	$ 0.0