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3. Fair Value Investments (Details) € in Millions, $ in Millions | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2022 USD ($) shares | Dec. 31, 2022 EUR (€) shares | Dec. 31, 2021 USD ($)
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |
Equity Securities without Readily Determinable Fair Value, Amount | $ 6.5 |  |  |  |
Interest Receivable, Current | 11.6 |  |  | $ 2.2 |
Equity Method Investments | 26.7 |  |  | 29.9 |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |  |
Financial Instruments, Owned, Principal Investments, at Fair Value | (322.6) | [1] | € (400.0) | (443.1) | [1]
Fair Value, Option, Changes in Fair Value, Gain (Loss) | 100.6 | [1] |  |  |
Foreign Currency Transaction Gain (Loss), Realized | (19.9) | [1] |  |  |
Fair Value, Recurring [Member] |  |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |  |
Financial Instruments, Owned, Principal Investments, at Fair Value | $ (322.6) | [1] |  | (443.1) | [1]
Ordinary voting shares [Member] |  |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |
Investment ownership percentage | 37.00% |  | 37.00% |  |
Investment Owned, Balance, Shares | shares | 12,987,900 |  | 12,987,900 |  |
Preference shares [Member] |  |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |
Investment ownership percentage | 28.00% |  | 28.00% |  |
Investment Owned, Balance, Shares | shares | 9,588,908 |  | 9,588,908 |  |
Fair Value, Inputs, Level 2 [Member] | Fair Value, Recurring [Member] |  |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |  |
Financial Instruments, Owned, Principal Investments, at Fair Value | $ 0.0 | [1] |  | $ 0.0 | [1]
[1] | The Loan under the fair value option is included in Other investments in the consolidated balance sheets.

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- Definition This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 45 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=109237563&loc=d3e33749-111570 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(10)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 25 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e8813-108599 + Details
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