Goodwill and Other Intangible Assets (Tables)

6 Months Ended

Mar. 31, 2022

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill

Changes in the carrying amount of Goodwill for the six months ended March 31, 2022, were (in millions):

	Intelligent Devices		Software & Control		Lifecycle Services		Total
Balance as of September 30, 2021	$	543.1	$	2,447.5	$	635.3	$	3,625.9
Acquisition of businesses	—		—		11.7		11.7
Translation and other	(6.9)		(6.2)		(4.3)		(17.4)
Balance as of March 31, 2022	$	536.2	$	2,441.3	$	642.7	$	3,620.2

Schedule of Finite Lived and Indefinite Lived Intangible Assets by Major Class

Other intangible assets consist of (in millions):

	March 31, 2022
	Carrying Amount		Accumulated Amortization		Net
Amortized intangible assets:
Software products	$	96.4	$	53.2	$	43.2
Customer relationships	596.7		95.6		501.1
Technology	421.6		98.2		323.4
Trademarks	75.2		18.9		56.3
Other	7.1		6.3		0.8
Total amortized intangible assets	1,197.0		272.2		924.8
Allen-Bradley® trademark not subject to amortization	43.7		—		43.7
Total	$	1,240.7	$	272.2	$	968.5

	September 30, 2021
	Carrying Amount		Accumulated Amortization		Net
Amortized intangible assets:
Software products	$	90.4	$	43.2	$	47.2
Customer relationships	595.9		75.4		520.5
Technology	420.8		71.7		349.1
Trademarks	73.8		13.3		60.5
Other	7.1		6.3		0.8
Total amortized intangible assets	1,188.0		209.9		978.1
Allen-Bradley® trademark not subject to amortization	43.7		—		43.7
Total	$	1,231.7	$	209.9	$	1,021.8