RESTRUCTURING CHARGES - Restructuring and Related Charges Activity (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Total Restructuring Charges
Restructuring Reserve [Roll Forward]
Charges incurred during period	$ 6.5	$ 26.1
RGGA Program
Restructuring Reserve [Roll Forward]
Charges incurred through beginning of period	101.9
Charges incurred during period	10.2
Charges incurred through end of period	112.1	101.9
RGGA Program | Total Restructuring Charges
Restructuring Reserve [Roll Forward]
Charges incurred through beginning of period	76.6
Charges incurred during period	7.0	26.1
Charges incurred through end of period	83.6	76.6
RGGA Program | Employee Severance and Other Personnel Benefits
Restructuring Reserve [Roll Forward]
Charges incurred through beginning of period	52.7
Charges incurred during period	0.0	4.1
Charges incurred through end of period	52.7	52.7
RGGA Program | Other
Restructuring Reserve [Roll Forward]
Charges incurred through beginning of period	23.9
Charges incurred during period	7.0	22.0
Charges incurred through end of period	30.9	23.9
RGGA Program | Leases
Restructuring Reserve [Roll Forward]
Charges incurred through beginning of period	17.7
Charges incurred during period	3.2
Charges incurred through end of period	20.9	17.7
RGGA Program | Other Related Charges
Restructuring Reserve [Roll Forward]
Charges incurred through beginning of period	7.6
Charges incurred during period	0.0
Charges incurred through end of period	$ 7.6	$ 7.6