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Investments - Equity Method Investments Narratives (Details) € in Millions, $ in Millions | 3 Months Ended |
--- | --- | ---
Mar. 31, 2022 USD ($) | Dec. 31, 2021 USD ($) | Mar. 31, 2021 USD ($) | Mar. 31, 2022 EUR (€)
Debt and Equity Securities, FV-NI |  |  |  |
New investments | $ 3.4 |  |  |
Equity method investments | 100.9 | $ 99.6 |  |
Equity in (loss) earnings of unconsolidated affiliates, net | (0.3) |  | $ 0.1 |
(Decrease) increase in fair value of investments in equity securities | (2.6) |  |  |
Equity Method Investment, Nonconsolidated Investee or Group of Investees |  |  |  |
Debt and Equity Securities, FV-NI |  |  |  |
New investments | 0.5 |  |  |
Equity method investments | 100.9 | 99.6 |  |
Equity in (loss) earnings of unconsolidated affiliates, net | (0.4) |  |  |
Cryomotive GmbH | Equity Method Investment, Nonconsolidated Investee or Group of Investees |  |  |  |
Debt and Equity Securities, FV-NI |  |  |  |
Equity method investments | 6.5 | 7.1 |  |
Equity in (loss) earnings of unconsolidated affiliates, net | (0.5) |  |  |
HTEC | Equity Method Investment, Nonconsolidated Investee or Group of Investees |  |  |  |
Debt and Equity Securities, FV-NI |  |  |  |
Equity method investments | 87.4 | 86.4 |  |
Equity in (loss) earnings of unconsolidated affiliates, net | $ (0.3) |  |  |
Hudson Products de Mexico S.A. de CV | Equity Method Investment, Nonconsolidated Investee or Group of Investees |  |  |  |
Debt and Equity Securities, FV-NI |  |  |  |
Equity investments, ownership interest (percent) | 50.00% |  |  | 50.00%
Equity method investments | $ 3.6 | 3.3 |  |
Equity in (loss) earnings of unconsolidated affiliates, net | $ 0.3 |  | $ 0.1 |
Liberty LNG | Equity Method Investment, Nonconsolidated Investee or Group of Investees |  |  |  |
Debt and Equity Securities, FV-NI |  |  |  |
Equity investments, ownership interest (percent) | 25.00% |  |  | 25.00%
Equity method investments | $ 2.5 | 2.4 |  |
Equity in (loss) earnings of unconsolidated affiliates, net | 0.1 |  |  |
Earthly Labs Inc. | Equity Method Investment, Nonconsolidated Investee or Group of Investees |  |  |  |
Debt and Equity Securities, FV-NI |  |  |  |
New investments |  | $ 0.5 |  |
Other Investments | Equity Method Investment, Nonconsolidated Investee or Group of Investees |  |  |  |
Debt and Equity Securities, FV-NI |  |  |  |
Equity in (loss) earnings of unconsolidated affiliates, net | $ 0.4 |  |  |
Clean H2 Infra Fund |  |  |  |
Debt and Equity Securities, FV-NI |  |  |  |
Unfunded commitment | € |  |  |  | € 47.8

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