RESTRUCTURING, DIVESTITURES, AND IMPAIRMENTS - Schedule of Impairments (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Restructuring Cost and Reserve [Line Items]
Impairment charges	$ 18.3	$ 29.4	$ 38.8
Cost of sales
Restructuring Cost and Reserve [Line Items]
Non-cash impairment charges	0.0	5.6	0.0
Impairment charges	6.8	5.2	17.6
Selling, general and administrative expenses
Restructuring Cost and Reserve [Line Items]
Non-cash impairment charges	2.8	1.7	12.3
Impairment charges	8.7	16.9	8.9
North America
Restructuring Cost and Reserve [Line Items]
Impairment charges	10.3	4.5	18.6
North America | Cost of sales
Restructuring Cost and Reserve [Line Items]
Non-cash impairment charges	0.0	2.0	0.0
Impairment charges	6.1	1.6	17.6
North America | Selling, general and administrative expenses
Restructuring Cost and Reserve [Line Items]
Non-cash impairment charges	0.0	0.4	1.0
Impairment charges	4.2	0.5	0.0
International
Restructuring Cost and Reserve [Line Items]
Impairment charges	8.0	24.9	20.2
International | Cost of sales
Restructuring Cost and Reserve [Line Items]
Non-cash impairment charges	0.0	3.6	0.0
Impairment charges	0.7	3.6	0.0
International | Selling, general and administrative expenses
Restructuring Cost and Reserve [Line Items]
Non-cash impairment charges	2.8	1.3	11.3
Impairment charges	$ 4.5	$ 16.4	$ 8.9