RESTRUCTURING AND DIVESTITURES - Schedule of Operational Optimization Restructuring Charges by Segment Expenses (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Restructuring Cost And Reserve [Line Items]
Exit costs - employee termination			$ 11.5
Closure and exit costs - other	$ 67.7	$ 82.6	31.3
Impairment of Intangibles	17.7	16.0	21.0
Total charges	12.0	27.4
Cost of Revenues
Restructuring Cost And Reserve [Line Items]
Exit costs - employee termination	0.6
Closure and exit costs - other	1.1
Impairment and accelerated depreciation of property, plant and equipment	5.6
Total non-cash charges	5.6
Total charges	7.3
Selling, General and Administrative Expenses
Restructuring Cost And Reserve [Line Items]
Exit costs - employee termination	1.7	1.3
Closure and exit costs - other	1.3	13.8
Impairment and accelerated depreciation of property, plant and equipment	0.4	5.7
Impairment of Intangibles	1.3	6.6
Total non-cash charges	1.7	12.3
Total charges	4.7	27.4
North America RWCS
Restructuring Cost And Reserve [Line Items]
Impairment of Intangibles		0.5	3.1
Total charges	2.4	5.2
North America RWCS | Cost of Revenues
Restructuring Cost And Reserve [Line Items]
Impairment and accelerated depreciation of property, plant and equipment	2.0
Total non-cash charges	2.0
Total charges	2.0
North America RWCS | Selling, General and Administrative Expenses
Restructuring Cost And Reserve [Line Items]
Exit costs - employee termination	0.4
Closure and exit costs - other		4.2
Impairment and accelerated depreciation of property, plant and equipment		1.0
Total non-cash charges		1.0
Total charges	0.4	5.2
International RWCS
Restructuring Cost And Reserve [Line Items]
Impairment of Intangibles	17.3	15.5	12.1
Total charges	8.2	17.4
International RWCS | Cost of Revenues
Restructuring Cost And Reserve [Line Items]
Exit costs - employee termination	0.2
Closure and exit costs - other	1.1
Impairment and accelerated depreciation of property, plant and equipment	3.6
Total non-cash charges	3.6
Total charges	4.9
International RWCS | Selling, General and Administrative Expenses
Restructuring Cost And Reserve [Line Items]
Exit costs - employee termination	0.7	0.2
Closure and exit costs - other	1.3	5.9
Impairment and accelerated depreciation of property, plant and equipment	0.4	4.7
Impairment of Intangibles	0.9	6.6
Total non-cash charges	1.3	11.3
Total charges	3.3	17.4
All Other
Restructuring Cost And Reserve [Line Items]
Impairment of Intangibles	0.4		$ 5.8
Total charges	1.4	4.8
All Other | Cost of Revenues
Restructuring Cost And Reserve [Line Items]
Exit costs - employee termination	0.4
Total charges	0.4
All Other | Selling, General and Administrative Expenses
Restructuring Cost And Reserve [Line Items]
Exit costs - employee termination	0.6	1.1
Closure and exit costs - other		3.7
Impairment of Intangibles	0.4
Total non-cash charges	0.4
Total charges	$ 1.0	$ 4.8