RESTRUCTURING CHARGES - Restructuring and Related Charges Activity (Details) $ in Millions	9 Months Ended
	Sep. 30, 2022 USD ($)
Total Restructuring Charges
Restructuring Reserve [Roll Forward]
Charges incurred during period	$ 4.3
RGGA Program
Restructuring Reserve [Roll Forward]
Charges incurred through beginning of period	101.9
Charges incurred during period	8.1
Charges incurred through end of period	110.0
RGGA Program | Total Restructuring Charges
Restructuring Reserve [Roll Forward]
Charges incurred through beginning of period	76.6
Charges incurred during period	4.8
Charges incurred through end of period	81.4
RGGA Program | Employee Severance and Other Personnel Benefits
Restructuring Reserve [Roll Forward]
Charges incurred through beginning of period	52.7
Charges incurred during period	0.9
Charges incurred through end of period	53.6
RGGA Program | Other
Restructuring Reserve [Roll Forward]
Charges incurred through beginning of period	23.9
Charges incurred during period	3.9
Charges incurred through end of period	27.8
RGGA Program | Leases
Restructuring Reserve [Roll Forward]
Charges incurred through beginning of period	17.7
Charges incurred during period	3.3
Charges incurred through end of period	21.0
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