Unrestricted Subsidiaries - Schedule of Financial Information (Details) - USD ($) $ in Millions	Mar. 31, 2025	Dec. 31, 2024	Mar. 31, 2024	Dec. 31, 2023
Schedule of Equity Method Investments
Cash and cash equivalents	$ 123.4	$ 38.1	$ 23.9
Restricted cash	80.0	7.8
Accounts receivable - trade	281.4	241.7		$ 252.4
Accounts receivable - other	21.8	36.4
Inventory	389.4	416.3
Prepaid expenses and other current assets	21.9	25.7
Property, plant and equipment, net	1,412.9	1,438.8	1,486.0
Operating lease right-of-use assets	233.8	240.2
Other noncurrent assets, net	492.8	553.4
Accounts payable	306.1	320.8
Accrued interest payable	36.4	45.4
Accrued salaries, wages and benefits	45.2	94.7
Obligations under inventory financing agreements		32.0
Current portion of RINs obligation	362.6	245.4
Other current liabilities	94.9	89.8
Current portion of long-term debt	23.9	35.5
Other long-term liabilities	269.0	296.2
Long-term debt, less current portion	2,302.2	2,064.7
Redeemable noncontrolling interest	245.6	245.6
Stockholders' equity	(862.3)	(711.9)	$ (529.7)	$ (490.3)
Eliminations
Schedule of Equity Method Investments
Cash and cash equivalents	0.0	0.0
Restricted cash	0.0	0.0
Accounts receivable - trade	0.0	0.0
Accounts receivable - other	0.0	0.0
Inventory	0.0	0.0
Prepaid expenses and other current assets	0.0	0.0
Property, plant and equipment, net	0.0	0.0
Other noncurrent assets, net	0.0	0.0
Accounts payable	(278.0)	(443.0)
Accrued interest payable	0.0	0.0
Accrued salaries, wages and benefits	0.0	0.0
Obligations under inventory financing agreements	0.0	0.0
Current portion of RINs obligation	0.0	0.0
Other current liabilities	0.0	0.0
Current portion of long-term debt	0.0	0.0
Other long-term liabilities	0.0	0.0
Long-term debt, less current portion	(97.8)	(98.0)
Redeemable noncontrolling interest	0.0	0.0
Stockholders' equity	(156.7)	(36.3)
Parent Company and Restricted Subsidiaries
Schedule of Equity Method Investments
Cash and cash equivalents	8.0	8.9
Restricted cash	0.0	0.0
Accounts receivable - trade	255.6	219.2
Accounts receivable - other	21.8	24.5
Inventory	349.1	379.9
Prepaid expenses and other current assets	14.0	20.5
Property, plant and equipment, net	676.2	688.2
Other noncurrent assets, net	485.3	539.4
Accounts payable	265.3	279.5
Accrued interest payable	36.4	44.4
Accrued salaries, wages and benefits	45.2	94.7
Obligations under inventory financing agreements	0.0	0.0
Current portion of RINs obligation	362.6	245.4
Other current liabilities	89.7	85.1
Current portion of long-term debt	23.8	16.4
Other long-term liabilities	268.7	295.4
Long-term debt, less current portion	1,535.9	1,646.7
Redeemable noncontrolling interest	0.0	0.0
Stockholders' equity	(285.1)	(249.7)
Unrestricted Subsidiaries
Schedule of Equity Method Investments
Cash and cash equivalents	115.4	29.2
Restricted cash	80.0	7.8
Accounts receivable - trade	25.8	22.5
Accounts receivable - other		11.9
Inventory	40.3	36.4
Prepaid expenses and other current assets	7.9	5.2
Property, plant and equipment, net	736.7	750.6
Other noncurrent assets, net	7.5	14.0
Accounts payable	318.8	484.3
Accrued interest payable		1.0
Obligations under inventory financing agreements		32.0
Other current liabilities	5.2	4.7
Current portion of long-term debt	0.1	19.1
Other long-term liabilities	0.3	0.8
Long-term debt, less current portion	864.1	516.0
Redeemable noncontrolling interest	245.6	245.6
Stockholders' equity	$ (420.5)	$ (425.9)