REVENUES (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024	Dec. 31, 2024
Total Revenues	$ 7,465.6	$ 8,726.6	$ 14,522.7	$ 17,363.0
Deferred revenue	49.1		49.1		$ 43.3
Gasoline and distillates
Total Revenues	6,585.6	7,442.9	12,711.2	15,041.9
Asphalt and blackoils
Total Revenues	415.0	667.4	652.7	1,141.0
Feedstocks and other
Total Revenues	240.7	375.9	737.6	683.8
Chemicals
Total Revenues	136.5	152.7	257.9	319.7
Lubricants
Total Revenues	$ 87.8	$ 87.7	$ 163.3	$ 176.6