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Related Party Transactions (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Related Party Transaction [Line Items] |  |  |
Net sales to Glencore | $ 1,337.0 | $ 1,025.5 | $ 1,191.6
Glencore |  |  |
Related Party Transaction [Line Items] |  |  |
Net sales to Glencore | 1,337.0 | 1,025.5 | 1,191.6
Related party costs | 334.6 | 197.6 | 323.9
BHH |  |  |
Related Party Transaction [Line Items] |  |  |
Related party costs | $ 0.0 | $ 0.0 | $ 17.8
Percentage of voting interests sold | 40.00% |  |

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