RESTRUCTURING COSTS - Schedule of Changes in Restructuring Reserve (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance	$ 25.2	$ 15.4
Expense	10.5	23.5
Paid/Utilized	(23.5)	(12.5)
Restructuring reserve, ending balance	12.2	26.4
Severance and benefits
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance	25.1	15.3
Expense	(2.7)	22.9
Paid/Utilized	(10.3)	(11.9)
Restructuring reserve, ending balance	12.1	26.3
Plant closing and other
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance	0.1	0.1
Expense	13.2	0.6
Paid/Utilized	(13.2)	(0.6)
Restructuring reserve, ending balance	$ 0.1	$ 0.1