RESTRUCTURING COSTS - Summary of Changes in Restructuring Reserve (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance	$ 34.0	$ 69.3	$ 22.2
Paid/Utilized	(19.3)	(36.7)	(26.8)
Expense	0.7	1.4	73.9
Restructuring reserve, ending balance	15.4	34.0	69.3
Severance and benefits
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance	33.8	68.9	21.6
Paid/Utilized	(16.7)	(31.8)	(23.2)
Expense	(1.8)	(3.3)	70.5
Restructuring reserve, ending balance	15.3	33.8	68.9
Plant closing and other
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance	0.2	0.4	0.6
Paid/Utilized	(2.6)	(4.9)	(3.6)
Expense	2.5	4.7	3.4
Restructuring reserve, ending balance	$ 0.1	$ 0.2	$ 0.4