Inventory - Narrative (Details) - USD ($) $ in Millions		3 Months Ended			9 Months Ended
		Sep. 30, 2022	Sep. 30, 2021		Sep. 30, 2022	Sep. 30, 2021		Jun. 30, 2022	Dec. 31, 2021		Jun. 30, 2021	[1]	Jan. 01, 2021	Dec. 31, 2020
Inventory [Line Items]
Percentage of LIFO Inventory									28.00%
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest		$ (1,283.0)	$ (1,015.6)	[1]	$ (1,283.0)	$ (1,015.6)	[1]	$ (1,337.4)	$ (1,014.0)	[2]	$ (996.7)			$ (1,125.1)	[1]
Inventory valuation reserves		28.4			28.4				9.3
Inventory adjustments			21.5			21.5
Depreciation and amortization		(72.9)	(60.8)		(209.2)	(195.6)	[3]
Retained Earnings
Inventory [Line Items]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest		(731.8)	(398.1)	[1]	(731.8)	(398.1)	[1]	$ (753.0)	$ (384.7)	[1]	$ (386.3)			(522.0)	[1]
Revision of Prior Period, Change in Accounting Principle, Adjustment
Inventory [Line Items]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	[1]													8.7
Revision of Prior Period, Change in Accounting Principle, Adjustment | Retained Earnings
Inventory [Line Items]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest													$ 8.7	$ 8.7	[1]
Revision of Prior Period, Error Correction, Adjustment
Inventory [Line Items]
Operating expenses			14.0			14.0
Revision of Prior Period, Error Correction, Adjustment | Refining
Inventory [Line Items]
Depreciation and amortization			7.5			7.5
Cost of sales
Inventory [Line Items]
Inventory valuation gains (losses)		$ (20.3)	$ (0.2)		$ (19.1)	$ (0.3)

[1] Adjusted to reflect the retrospective change in accounting policy from LIFO to FIFO for certain inventories. See Note 7 for further discussion.

[2] Adjusted to reflect the retrospective change in accounting policy from LIFO to FIFO for certain inventories. See Note 7 for further discussion.

[3] Adjusted to reflect the retrospective change in accounting policy from LIFO to FIFO for certain inventories. See Note 7 for further discussion.