Investments - Schedule of Other Investments (Details) - USD ($) $ in Millions	Sep. 30, 2022	Dec. 31, 2021
Investments, Debt and Equity Securities [Abstract]
Convertible Securities at Fair Value	$ 42.6	$ 46.4
Real Estate at Depreciated Cost	94.3	94.0
Mortgage Loans	98.7	96.8
Investments and Other Noncurrent Assets	1.6	0.5
Total	274.2	270.0
Equity Securities at Modified Cost	$ 37.0	$ 32.3

Investment In Convertible Bonds

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Amount of investments, and noncurrent assets classified as other.

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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.

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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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