Derivative - Assets and Liabilities (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Derivative [Line Items]
Due to affiliates - less current portion	$ 66.3	$ 31.4
Related Party
Derivative [Line Items]
Due to affiliates	101.4	17.0
Commodity Contract \| Related Party
Derivative [Line Items]
Due to affiliates	6.4	11.9
Due to affiliates - less current portion		8.3
Not Designated as Hedging Instrument
Derivative [Line Items]
Asset Fair Value	2.9	129.1
Liability Fair Value	7.9	31.0
Not Designated as Hedging Instrument \| Commodity Contract
Derivative [Line Items]
Asset Fair Value	2.9	129.1
Liability Fair Value	7.8	23.7
Not Designated as Hedging Instrument \| Foreign Exchange Contract
Derivative [Line Items]
Asset Fair Value	0.0	0.0
Liability Fair Value	$ 0.1	$ 7.3

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