Valuation and Qualifying Accounts - Allowance for Uncollectible Accounts Receivable (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at beginning of period	$ 48.6	$ 68.5	$ 98.3
Charges to costs and expenses	7.2	(5.8)	(14.9)
Acquisitions/(dispositions)	(1.7)	(0.9)	(3.2)
Uncollectible accounts written off	(7.8)	(12.8)	(9.8)
Accounts Receivable, Allowance for Credit Loss, Recovery	0.1	1.9	0.3
Foreign currency translation adjustment	0.0	(2.3)	(2.2)
Balance at end of period	$ 46.4	$ 48.6	$ 68.5