Goodwill and Other Intangible Assets (Tables)

6 Months Ended

Mar. 31, 2023

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill

Changes in the carrying amount of Goodwill for the six months ended March 31, 2023, were (in millions):

	Intelligent Devices		Software & Control		Lifecycle Services		Total
Balance as of September 30, 2022	$	503.0	$	2,398.7	$	622.3	$	3,524.0
Acquisition of businesses	66.3		—		35.7		102.0
Translation and other	21.1		24.7		13.4		59.2
Balance as of March 31, 2023	$	590.4	$	2,423.4	$	671.4	$	3,685.2

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

Other intangible assets consist of (in millions):

	March 31, 2023
	Carrying Amount		Accumulated Amortization		Net
Amortized intangible assets
Software products	$	101.1	$	63.0	$	38.1
Customer relationships	613.8		126.0		487.8
Technology	423.8		146.4		277.4
Trademarks	86.7		24.5		62.2
Other	7.0		6.2		0.8
Total amortized intangible assets	1,232.4		366.1		866.3
Allen-Bradley® trademark not subject to amortization	43.7		—		43.7
Other intangible assets	$	1,276.1	$	366.1	$	910.0

	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