ACCRUED EXPENSES (Details) - USD ($) $ in Millions	Mar. 31, 2019	Dec. 31, 2018
Accrued Expenses:
Inventory-related accruals	$ 1,124.3	$ 846.3
Inventory intermediation agreements	294.6	249.4
Excise and sales tax payable	129.3	149.4
Accrued capital expenditures	66.7	59.9
Accrued transportation costs	62.3	53.6
Accrued utilities	40.0	49.8
Accrued interest	28.8	6.8
Renewable energy credit and emissions obligations	24.3	27.1
Accrued salaries and benefits	15.4	89.3
Environmental liabilities	8.8	6.5
Accrued refinery maintenance and support costs	8.3	19.0
Customer deposits	0.7	5.6
Other	40.2	16.3
Total accrued expenses	$ 1,843.7	$ 1,579.0