Business Acquisitions - Schedule of Fair Values of the Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Millions	Sep. 30, 2023	Dec. 31, 2022
Business Acquisition [Line Items]
Goodwill	$ 1,994.7	$ 1,970.5
2023 Acquisition
Business Acquisition [Line Items]
Tangible assets acquired	19.6
Intangible assets	28.7
Goodwill	21.5
Net deferred taxes	0.0
Other liabilities assumed	(9.8)
Total Estimate of Consideration Transferred, Net of Cash Acquired	$ 60.0