Summary of Significant Accounting Policies - Summary of Rollforward of Allowance for Doubtful Accounts (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Accounting Policies [Abstract]
Balance at Beginning of Year	$ 128.1	$ 113.5	$ 115.7
Provisions Charged to Earnings	17.9	20.3	21.8
Write-Offs	(17.7)	(17.8)	(19.1)
Translation Adjustments	(6.5)	8.1	(5.0)
Reclassifications and Other	(0.2)	4.0	0.1
Balance at End of Year	$ 121.6	$ 128.1	$ 113.5