INTANGIBLE ASSETS AND GOODWILL - Goodwill (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Goodwill [Roll Forward]
Balance Beginning	$ 215.0	$ 208.9
Foreign currency translation	(6.3)	6.1
Less: Goodwill classified as current assets held for sale	(3.2)
Balance Ending	205.5	215.0
SCC
Goodwill [Roll Forward]
Balance Beginning	63.2	61.6
Foreign currency translation	(1.9)	1.6
Less: Goodwill classified as current assets held for sale	0.0
Balance Ending	61.3	63.2
SBM
Goodwill [Roll Forward]
Balance Beginning	151.8	147.3
Foreign currency translation	(4.4)	4.5
Less: Goodwill classified as current assets held for sale	(3.2)
Balance Ending	$ 144.2	$ 151.8