BASIS OF PRESENTATION AND NATURE OF OPERATIONS (Details)		3 Months Ended
	Jun. 29, 2021	Mar. 31, 2020
Safety-Kleen | Vertex Operating, Vertex Refining, LLC, Vertex Refining OH, LLC, Cedar Marine Terminals, L.P. and H & H Oil, L.P.
Product Information
Percentage of indirect ownership before transaction (as a percent)	35.00%
Percentage of ownership before transaction (as a percent)	65.00%
Hydrocarbons
Product Information
Percentage of decrease in prices (as a percent)		67.00%