Other Current Assets and Liabilities - Accrued Expenses and Other Current Liabilities (Details) - USD ($) $ in Millions	Sep. 30, 2023	Dec. 31, 2022
Other Current Assets and Liabilities [Abstract]
Product financing agreements	$ 260.8	$ 258.0
El Dorado refinery fire settlement	177.5	2.0
Crude purchase liabilities	146.9	268.7
Income and other taxes payable	145.2	120.4
Employee costs	57.1	89.2
Consolidated Net RINs Obligation deficit (see Note 11)	38.8	295.5
Deferred revenue	13.8	44.6
Short-term derivative liabilities (see Note 10)	4.2	21.3
Other	72.2	67.1
Total	$ 916.5	$ 1,166.8