Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Sep. 30, 2022

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill

Changes in the carrying amount of Goodwill were (in millions):

	Intelligent Devices		Software & Control		Lifecycle Services		Total
Balance as of October 1, 2020	$	535.1	$	497.3	$	617.9	$	1,650.3
Acquisition of businesses	—		1,937.3		12.8		1,950.1
Translation	8.0		12.9		4.6		25.5
Balance as of September 30, 2021	$	543.1	$	2,447.5	$	635.3	$	3,625.9
Acquisition of businesses	—		—		12.1		12.1
Translation and other	(40.1)		(48.8)		(25.1)		(114.0)
Balance as of September 30, 2022	$	503.0	$	2,398.7	$	622.3	$	3,524.0

Other Intangible Assets

Other intangible assets consist of (in millions):

	September 30, 2022
	Carrying Amount		Accumulated Amortization		Net
Amortized intangible assets
Software products	$	97.6	$	57.9	$	39.7
Customer relationships	582.7		107.2		475.5
Technology	410.8		119.3		291.5
Trademarks	70.4		19.4		51.0
Other	6.4		5.8		0.6
Total amortized intangible assets	1,167.9		309.6		858.3
Allen-Bradley® trademark not subject to amortization	43.7		—		43.7
Other intangible assets	$	1,211.6	$	309.6	$	902.0

	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
Other intangible assets	$	1,231.7	$	209.9	$	1,021.8