Acquisitions (Estimated Fair Values Of Assets Acquired And Liabilities Assumed) (Details) - USD ($) $ in Millions	Sep. 30, 2023	Dec. 31, 2022
Business Acquisition [Line Items]
Goodwill	$ 180.9	$ 83.1
Series of Individually Immaterial Business Acquisitions [Member]
Business Acquisition [Line Items]
Current Assets	153.5
Property	5.0
Goodwill	97.8
Intangible assets	187.9
Other Non-current Assets	0.4
Current Liabilities	(64.4)
Total combined preliminary purchase price	$ 380.2

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.

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