Investments - Schedule of Other Investments (Details) - USD ($) $ in Millions	Mar. 31, 2023	Dec. 31, 2022
Investments, Debt and Equity Securities [Abstract]
Convertible Securities at Fair Value	$ 45.3	$ 43.3
Real Estate at Depreciated Cost	93.0	93.6
Mortgage Loans	85.7	91.1
Investments and Other Noncurrent Assets	10.7	3.5
Total	271.8	269.9
Equity Securities at Modified Cost	$ 37.1	$ 38.4

Investment In Convertible Bonds

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- Definition

Amount of investments, and noncurrent assets classified as other.

+ References

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The balance represents the amount of loans that are secured by real estate mortgages, offset by the reserve to cover probable credit losses on the loan portfolio.

+ References

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-Publisher FASB
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-SubTopic 210
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Amount of investments classified as other.

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Includes other investments and securities that are not at fair value as of the balance sheet date and those that are not accounted for under the equity method.

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Amount of real estate investment property, net of accumulated depreciation, which may include the following: (1) land available-for-sale; (2) land available-for-development; (3) investments in building and building improvements; (4) tenant allowances; (5) developments in-process; (6) rental properties; and (7) other real estate investments.

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