ACCRUED EXPENSES (Details) - USD ($) $ in Millions	Mar. 31, 2020	Dec. 31, 2019
Accrued Expenses:
Inventory-related accruals	$ 606.8	$ 1,103.2
Inventory intermediation agreements	209.5	278.1
Excise and sales tax payable	141.9	98.4
Renewable energy credit and emissions obligations	118.4	17.7
Accrued transportation costs	88.5	88.7
Accrued capital expenditures	84.6	31.0
Customer deposits	36.4	1.8
Accrued utilities	28.2	40.1
Accrued interest	26.9	6.8
Accrued salaries and benefits	18.5	77.4
Accrued refinery maintenance and support costs	13.5	16.9
Environmental liabilities	12.6	12.3
Current finance lease liabilities	12.7	6.5
Other	64.6	12.5
Total accrued expenses	$ 1,463.1	$ 1,791.4