Goodwill and Other Intangible Assets (Tables)

6 Months Ended

Jun. 30, 2021

Goodwill and Intangible Assets Disclosure [Abstract]

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	$	4,083.1	$	1,190.8	$	319.0	$	14,395.2
Additions	10.7		—		—		—		10.7
Other	(4.7)		0.9		—		—		(3.8)
Currency translation adjustments	7.8		15.9		2.3		1.9		27.9
Balances at June 30, 2021	$	8,816.1	$	4,099.9	$	1,193.1	$	320.9	$	14,430.0

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	$	7,494.7	$	(1,703.8)	$	5,790.9
Unpatented technology	942.8		(363.9)		578.9
Software	172.4		(127.4)		45.0
Patents and other protective rights	13.0		(6.7)		6.3
Trade names	7.3		(5.6)		1.7
Assets not subject to amortization:
Trade names	784.1		—		784.1
Balances at December 31, 2020	$	9,414.3	$	(2,207.4)	$	7,206.9
Assets subject to amortization:
Customer related intangibles	$	7,508.6	$	(1,927.8)	$	5,580.8
Unpatented technology	934.7		(411.4)		523.3
Software	172.5		(134.9)		37.6
Patents and other protective rights	13.9		(5.9)		8.0
Trade names	7.4		(6.2)		1.2
Assets not subject to amortization:
Trade names	785.9		—		785.9
Balances at June 30, 2021	$	9,423.0	$	(2,486.2)	$	6,936.8

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	$	7,494.7	$	(1,703.8)	$	5,790.9
Unpatented technology	942.8		(363.9)		578.9
Software	172.4		(127.4)		45.0
Patents and other protective rights	13.0		(6.7)		6.3
Trade names	7.3		(5.6)		1.7
Assets not subject to amortization:
Trade names	784.1		—		784.1
Balances at December 31, 2020	$	9,414.3	$	(2,207.4)	$	7,206.9
Assets subject to amortization:
Customer related intangibles	$	7,508.6	$	(1,927.8)	$	5,580.8
Unpatented technology	934.7		(411.4)		523.3
Software	172.5		(134.9)		37.6
Patents and other protective rights	13.9		(5.9)		8.0
Trade names	7.4		(6.2)		1.2
Assets not subject to amortization:
Trade names	785.9		—		785.9
Balances at June 30, 2021	$	9,423.0	$	(2,486.2)	$	6,936.8