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v3.20.4

Related Party (Details) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2020 USD ($) | Dec. 31, 2019 USD ($) | Dec. 31, 2018 USD ($) | Dec. 31, 2016
Related Party Transaction [Line Items] |  |  |  |
Net amount due from our non-consolidated companies | $ 55.9 |  |  |
Net amount due to our non-consolidated companies |  | $ 23.2 |  |
Indemnification asset | 23.0 | 40.6 |  |
Investee |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Indemnification asset | 23.0 |  |  |
Transactions with non-consolidated companies included in net sales | 819.6 | 969.5 | $ 842.4 |
Transactions with non-consolidated companies included in cost of goods sold | 950.1 | 1,057.7 | 1,046.4 |
Beneficial Owner |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Allowance against bridge loans to affiliates |  | 74.7 | 54.2 |
MWSPC | Equity Method Investee |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Transactions with non-consolidated companies included in net sales | $ 8.5 | $ 8.3 | $ 6.6 |
Percentage Of Total Production Expected To Market | 25.00% |  |  |
Equity method investment, ownership percentage | 25.00% |  |  |
Gulf Sulphur Services |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Equity method investment, ownership percentage | 50.00% |  |  |
Gulf Sulphur Services | Beneficial Owner |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Guarantor Obligations, Number Of Vessels To Be Constructed |  |  |  | 2
Equity method investment, ownership percentage | 50.00% |  |  |
Bridge loans to affiliates | $ 74.7 |  |  |
Allowance against bridge loans to affiliates | $ 54.2 |  |  |

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