RESTRUCTURING CHARGES - Narrative (Details) - RGGA Program - USD ($) $ in Millions	Mar. 31, 2022	Dec. 31, 2021
Restructuring Cost and Reserve [Line Items]
Restructuring costs recognized to date	$ 105.9	$ 101.9
Employee severance, other personnel benefits and other costs
Restructuring Cost and Reserve [Line Items]
Restructuring costs recognized to date	78.5	$ 76.6
Lease and other restructuring-related charges
Restructuring Cost and Reserve [Line Items]
Restructuring costs recognized to date	$ 27.4