COMMITMENTS AND CONTINGENCIES - Schedule of Environmental Remediation Liabilities (Detail) - USD ($) $ in Millions	Dec. 31, 2019	Dec. 31, 2018
Loss Contingencies [Line Items]
Total environmental liabilities	$ 31.9	$ 33.5
Other Liabilities
Loss Contingencies [Line Items]
Total environmental liabilities	27.2	28.2
Accrued Liabilities
Loss Contingencies [Line Items]
Total environmental liabilities	$ 4.7	$ 5.3