Operations and Summary of Significant Accounting Policies (Allowance For Credit Losses Roll forward) (Details) - Allowances for credit losses - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at Beginning of Period	$ 31.9	$ 31.3	$ 32.6
Acquired Businesses	0.0	0.0	0.1
Charged to Costs and Expenses	22.0	4.2	3.3
Write-offs	(4.2)	(4.6)	(3.2)
Deductions	(5.5)	0.0	0.0
Foreign Currency Translation	(2.4)	1.0	(1.5)
Balance at End of Period	$ 41.8	$ 31.9	$ 31.3