Goodwill and Other Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2021

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill

The carrying value of goodwill by segment was as follows:

	Application Software		Network Software & Systems		Measurement & Analytical Solutions		Process Technologies		Total
Balances at December 31, 2020	$	8,802.3	$	3,746.2	$	1,167.3	$	250.2	$	13,966.0
Additions	13.6		—		—		—		13.6
Other	3.1		0.9		—		—		4.0
Currency translation adjustments	1.1		6.8		(1.8)		(0.5)		5.6
Balances at September 30, 2021	$	8,820.1	$	3,753.9	$	1,165.5	$	249.7	$	13,989.2

Schedule of Other Intangible Assets - Subject to Amortization

Other intangible assets were comprised of:

	Cost		Accumulated amortization		Net book value
Assets subject to amortization:
Customer related intangibles	$	7,473.7	$	(1,688.2)	$	5,785.5
Unpatented technology	942.8		(363.9)		578.9
Software	172.4		(127.4)		45.0
Patents and other protective rights	12.0		(6.0)		6.0
Trade names	7.3		(5.6)		1.7
Assets not subject to amortization:
Trade names	751.1		—		751.1
Balances at December 31, 2020	$	9,359.3	$	(2,191.1)	$	7,168.2
Assets subject to amortization:
Customer related intangibles	$	7,478.5	$	(2,020.1)	$	5,458.4
Unpatented technology	907.0		(413.3)		493.7
Software	172.4		(138.2)		34.2
Patents and other protective rights	12.6		(5.0)		7.6
Trade names	6.7		(5.7)		1.0
Assets not subject to amortization:
Trade names	751.0		—		751.0
Balances at September 30, 2021	$	9,328.2	$	(2,582.3)	$	6,745.9

Schedule of Other Intangible Assets - Not Subject to Amortization

Other intangible assets were comprised of:

	Cost		Accumulated amortization		Net book value
Assets subject to amortization:
Customer related intangibles	$	7,473.7	$	(1,688.2)	$	5,785.5
Unpatented technology	942.8		(363.9)		578.9
Software	172.4		(127.4)		45.0
Patents and other protective rights	12.0		(6.0)		6.0
Trade names	7.3		(5.6)		1.7
Assets not subject to amortization:
Trade names	751.1		—		751.1
Balances at December 31, 2020	$	9,359.3	$	(2,191.1)	$	7,168.2
Assets subject to amortization:
Customer related intangibles	$	7,478.5	$	(2,020.1)	$	5,458.4
Unpatented technology	907.0		(413.3)		493.7
Software	172.4		(138.2)		34.2
Patents and other protective rights	12.6		(5.0)		7.6
Trade names	6.7		(5.7)		1.0
Assets not subject to amortization:
Trade names	751.0		—		751.0
Balances at September 30, 2021	$	9,328.2	$	(2,582.3)	$	6,745.9