Goodwill and Other Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2020

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, 2019	$	5,389.4	$	3,933.5	$	1,178.0	$	314.5	$	10,815.4
Additions	3,229.1		133.9		—		—		3,363.0
Other	0.5		(1.0)		—		—		(0.5)
Currency translation adjustments	(4.8)		(14.3)		0.4		(0.6)		(19.3)
Balances at September 30, 2020	$	8,614.2	$	4,052.1	$	1,178.4	$	313.9	$	14,158.6

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	$	4,955.4	$	(1,349.4)	$	3,606.0
Unpatented technology	613.0		(279.6)		333.4
Software	172.2		(111.5)		60.7
Patents and other protective rights	12.0		(8.0)		4.0
Trade names	7.9		(4.1)		3.8
Assets not subject to amortization:
Trade names	659.8		—		659.8
Balances at December 31, 2019	$	6,420.3	$	(1,752.6)	$	4,667.7
Assets subject to amortization:
Customer related intangibles	$	7,282.7	$	(1,585.2)	$	5,697.5
Unpatented technology	934.3		(346.0)		588.3
Software	172.1		(123.4)		48.7
Patents and other protective rights	14.7		(8.3)		6.4
Trade names	7.9		(5.3)		2.6
Assets not subject to amortization:
Trade names	779.0		—		779.0
Balances at September 30, 2020	$	9,190.7	$	(2,068.2)	$	7,122.5

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	$	4,955.4	$	(1,349.4)	$	3,606.0
Unpatented technology	613.0		(279.6)		333.4
Software	172.2		(111.5)		60.7
Patents and other protective rights	12.0		(8.0)		4.0
Trade names	7.9		(4.1)		3.8
Assets not subject to amortization:
Trade names	659.8		—		659.8
Balances at December 31, 2019	$	6,420.3	$	(1,752.6)	$	4,667.7
Assets subject to amortization:
Customer related intangibles	$	7,282.7	$	(1,585.2)	$	5,697.5
Unpatented technology	934.3		(346.0)		588.3
Software	172.1		(123.4)		48.7
Patents and other protective rights	14.7		(8.3)		6.4
Trade names	7.9		(5.3)		2.6
Assets not subject to amortization:
Trade names	779.0		—		779.0
Balances at September 30, 2020	$	9,190.7	$	(2,068.2)	$	7,122.5