Supplemental Financial Data - Allowance for Credit Risks (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of period	$ 16.5	$ 11.4	$ 7.6
Additions charged to costs and expenses	5.4	12.3	8.1
Write-offs	(9.3)	(8.3)	(5.8)
Recoveries	2.2	1.4	1.8
Other	(0.5)	(0.3)	(0.3)
Balance at end of period	$ 14.3	$ 16.5	$ 11.4