ACCRUED LIABILITIES AND OTHER LONG TERM LIABILITIES - Schedule of Other Long Term Liabilities (Detail) - USD ($) $ in Millions	Dec. 31, 2019	Dec. 31, 2018
Payables And Accruals [Abstract]
Contingent consideration	$ 7.4	$ 7.5
Environmental liabilities	27.2	28.2
Asset retirement obligations	19.4	19.1
Other long-term liabilities	10.2	15.9
Total other long-term liabilities	$ 64.2	$ 70.7