RESTRUCTURING COSTS - Schedule of Changes in Restructuring Reserve (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance			$ 25.2	$ 15.4
Expense	$ (2.5)	$ 9.1	(2.2)	22.2
Paid/Utilized			(7.1)	(6.4)
Restructuring reserve, ending balance	15.9	31.2	15.9	31.2
Severance and benefits
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance			25.1	15.3
Expense			(2.6)	21.8
Paid/Utilized			(6.7)	(6.0)
Restructuring reserve, ending balance	15.8	31.1	15.8	31.1
Plant closing and other
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance			0.1	0.1
Expense			0.4	0.4
Paid/Utilized			(0.4)	(0.4)
Restructuring reserve, ending balance	$ 0.1	$ 0.1	$ 0.1	$ 0.1