Consolidated Statements of Cash Flows - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Cash Flows From Operating Activities:
Net Income	$ 303.4	$ 337.0
Adjustments to reconcile net income to net cash used in operating activities:
Depreciation and amortization of right-of-use assets	33.2	33.8
Amortization of intangible assets	25.8	25.8
Share-based compensation	20.8	22.1
Other, net	3.3	(3.6)
Use of operating capital	(1,173.3)	(1,033.6)
Net Cash Used In Operating Activities	(786.8)	(618.5)
Cash Flows From Investing Activities:
Capital expenditures	(29.5)	(23.1)
Acquisition of businesses and interests in affiliates, net of cash acquired	(0.8)	(801.5)
Other, net	43.0	(13.7)
Net Cash Provided By (Used In) Investing Activities	12.7	(838.3)
Cash Flows From Financing Activities:
Proceeds from borrowings	0.0	645.9
Change in short-term debt	(3.2)	0.3
Dividends paid to common shareholders	(137.7)	(138.8)
Repurchases of common stock	(81.0)	(180.1)
Proceeds from stock plans	11.5	2.1
Acquisition of additional noncontrolling interests	(0.4)	(10.4)
Dividends paid to noncontrolling interest shareholders	(13.0)	(13.3)
Payment of contingent purchase price obligations	(2.8)	(0.5)
Other, net	(14.8)	(21.8)
Net Cash (Used In) Provided By Financing Activities	(241.4)	283.4
Effect of foreign exchange rate changes on cash and cash equivalents	54.4	(85.8)
Net Decrease in Cash and Cash Equivalents	(961.1)	(1,259.2)
Cash and Cash Equivalents at the Beginning of Period	4,339.4	4,432.0
Cash and Cash Equivalents at the End of Period	$ 3,378.3	$ 3,172.8