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Segments Of Business (Narrative) (Details) $ in Millions | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2020 USD ($)
Goodwill [Line Items] |  |
Number of Reportable Segments | 2 |
Disposal Group, Not Discontinued Operations, Gain (Loss) on Write Down |  | $ 412.4

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 18 -URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e8672-108599 + Details
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