OTHER LONG-TERM LIABILITIES (Details) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Other Long-Term Liabilities [Abstract]
Environmental liabilities	$ 141.0	$ 140.5
Defined benefit pension plan liabilities	46.7	73.5
Contingent consideration	29.4	0.0
Post-retirement medical plan liabilities	18.2	22.0
Early railcar return liability	6.0	13.9
Other	9.7	17.1
Other long-term liabilities	$ 251.0	$ 267.0