Derivatives - Summary of Gross Fair Values of Derivative Instruments, Presenting the Impact of Offsetting Derivative Liabilities (Details) - USD ($) $ in Millions	Sep. 30, 2023	Dec. 31, 2022
Offsetting Liabilities
Gross Amounts of Recognized Liabilities	$ (73.5)	$ (104.4)
Gross Amounts Offset in the Consolidated Balance Sheets	10.0	30.6
Net Amounts of Liabilities Presented in the Consolidated Balance Sheets	(63.5)	(73.8)
Not Designated as Hedging Instrument | Specialty Products and Solutions | Inventory Financing Obligations
Offsetting Liabilities
Gross Amounts of Recognized Liabilities	(55.1)	(38.0)
Gross Amounts Offset in the Consolidated Balance Sheets	0.0	0.0
Net Amounts of Liabilities Presented in the Consolidated Balance Sheets	(55.1)	(38.0)
Not Designated as Hedging Instrument | Specialty Products and Solutions | Crack spread swaps
Offsetting Liabilities
Gross Amounts of Recognized Liabilities	(1.9)	(50.6)
Gross Amounts Offset in the Consolidated Balance Sheets	1.9	19.3
Net Amounts of Liabilities Presented in the Consolidated Balance Sheets	0.0	(31.3)
Not Designated as Hedging Instrument | Montana/Renewables | Inventory Financing Obligations
Offsetting Liabilities
Gross Amounts of Recognized Liabilities	(16.5)	(15.8)
Gross Amounts Offset in the Consolidated Balance Sheets	8.1	11.3
Net Amounts of Liabilities Presented in the Consolidated Balance Sheets	$ (8.4)	$ (4.5)