Goodwill and Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2023

Goodwill and Intangible Assets Disclosure [Abstract]

Intangible Assets

Intangible assets:

	September 30, 2023						December 31, 2022
	Gross Carrying Value		Accumulated Amortization		Net Carrying Value		Gross Carrying Value		Accumulated Amortization		Net Carrying Value
Purchased and internally    developed software	$	363.2	$	(299.6)	$	63.6	$	374.8	$	(309.1)	$	65.7
Customer related and other	852.9		(531.6)		321.3		758.5		(510.8)		247.7
Total Intangible Assets	$	1,216.1	$	(831.2)	$	384.9	$	1,133.3	$	(819.9)	$	313.4

Changes in Goodwill

Change in goodwill:

	Nine Months Ended September 30,
	2023		2022
January 1	$	9,734.3	$	9,738.6
Acquisitions	30.6		212.8
Noncontrolling interests in acquired businesses	90.7		48.5
Contingent purchase price obligations of acquired businesses	170.1		8.7
Dispositions	(119.0)		(19.6)
Foreign currency translation	(17.3)		(489.3)
September 30	$	9,889.4	$	9,499.7