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Description of Business and Summary of Significant Accounting Policies (Property and Equipment Net) (Details) - USD ($) $ in Millions | Dec. 31, 2023 | Dec. 31, 2022
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Reported Value Measurement [Member] | Continuing Operations [Member] |  |
Property, Plant and Equipment [Line Items] |  |
Assets held for sale in continuing operations | $ 21.3 | $ 5.7
Reported Value Measurement [Member] | Discontinued Operations [Member] |  |
Property, Plant and Equipment [Line Items] |  |
Assets held for sale in discontinued operations | $ 0.0 | $ 1.1
Buildings and improvements [Member] | Minimum [Member] |  |
Property, Plant and Equipment [Line Items] |  |
Property and equipment estimated useful life | 5 years |
Buildings and improvements [Member] | Maximum [Member] |  |
Property, Plant and Equipment [Line Items] |  |
Property and equipment estimated useful life | 40 years |
Furniture, fixtures, and equipment [Member] | Minimum [Member] |  |
Property, Plant and Equipment [Line Items] |  |
Property and equipment estimated useful life | 3 years |
Furniture, fixtures, and equipment [Member] | Maximum [Member] |  |
Property, Plant and Equipment [Line Items] |  |
Property and equipment estimated useful life | 10 years |

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