Goodwill and Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2021

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill and Intangible Assets

Goodwill and intangible assets were (in millions):

	September 30, 2021						December 31, 2020
	Gross Carrying Value		Accumulated Amortization		Net Carrying Value		Gross Carrying Value		Accumulated Amortization		Net Carrying Value
Goodwill	$	10,123.9	$	(522.4)	$	9,601.5	$	10,141.6	$	(531.9)	$	9,609.7
Intangible assets:
Purchased and internally developed software	$	379.8	$	(314.6)	$	65.2	$	377.6	$	(307.0)	$	70.6
Customer related and other	742.7		(529.8)		212.9		738.1		(510.2)		227.9
	$	1,122.5	$	(844.4)	$	278.1	$	1,115.7	$	(817.2)	$	298.5

Changes in Goodwill

Changes in goodwill were (in millions):

	Nine Months Ended September 30,
	2021		2020
January 1	$	9,609.7	$	9,440.5
Acquisitions	6.9		46.1
Noncontrolling interests in acquired businesses	37.3		32.4
Contingent purchase price obligations of acquired businesses	88.0		—
Dispositions	(21.7)		(3.3)
Foreign currency translation	(118.7)		(77.3)
September 30	$	9,601.5	$	9,438.4