OTHER LONG-TERM LIABILITIES (Tables)

12 Months Ended

Dec. 31, 2021

Other Liabilities Disclosure [Abstract]

Schedule of other long-term liabilities

Other long-term liabilities consisted of the following: 

(in millions)	December 31, 2021		December 31, 2020
Environmental liabilities	$	141.0	$	140.5
Defined benefit pension plan liabilities	46.7		73.5
Contingent consideration	29.4		—
Post-retirement medical plan liabilities	18.2		22.0
Early railcar return liability	6.0		13.9
Other	9.7		17.1
Total other long-term liabilities	$	251.0	$	267.0