Business Acquisitions and Dispositions - Schedule of Fair Values of the Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Millions	Sep. 30, 2025	Dec. 31, 2024
Business Combination [Line Items]
Goodwill	$ 2,588.8	$ 2,500.8
2025 Acquisitions
Business Combination [Line Items]
Tangible assets acquired	27.6
Intangible assets	53.1
Goodwill	66.4
Deferred tax liabilities, net	(13.8)
Other liabilities assumed	(4.2)
Total Estimate of Consideration Transferred, Net of Cash Acquired	$ 129.1