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Income Taxes (Deferred Tax Assets And (Liabilities) Included In Consolidated Balance Sheets) (Details) - USD ($) $ in Millions | Dec. 31, 2022 | Dec. 31, 2021
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Income Tax Disclosure [Abstract] |  |
Sundry | $ 8.3 | $ 8.6
Deferred income taxes | (222.7) | (217.4)
Net deferred tax liability | $ (214.4) | $ (208.8)

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