Goodwill and Other Intangible Assets (Tables)

9 Months Ended

Jun. 30, 2024

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill

Changes in the carrying amount of Goodwill for the nine months ended June 30, 2024, were (in millions):

	Intelligent Devices		Software & Control		Lifecycle Services		Total
Balance as of September 30, 2023	$	595.8	$	2,420.1	$	513.3	$	3,529.2
Acquisition of businesses	282.8		—		133.5		416.3
Translation	3.7		2.9		1.6		8.2
Balance as of June 30, 2024	$	882.3	$	2,423.0	$	648.4	$	3,953.7
Gross carrying value of goodwill	$	882.3	$	2,423.0	$	805.9	$	4,111.2
Accumulated impairment losses	—		—		(157.5)		(157.5)
Goodwill	$	882.3	$	2,423.0	$	648.4	$	3,953.7

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

Other intangible assets consist of (in millions):

	June 30, 2024
	Carrying Amount		Accumulated Amortization		Net
Amortized intangible assets
Software products	$	103.4	$	72.2	$	31.2
Customer relationships	616.6		174.1		442.5
Technology	726.8		235.2		491.6
Trademarks	130.9		40.0		90.9
Other	5.7		5.2		0.5
Total amortized intangible assets	1,583.4		526.7		1,056.7
Allen-Bradley® trademark not subject to amortization	43.7		—		43.7
Other intangible assets	$	1,627.1	$	526.7	$	1,100.4

	September 30, 2023
	Carrying Amount		Accumulated Amortization		Net
Amortized intangible assets
Software products	$	100.4	$	65.1	$	35.3
Customer relationships	606.1		141.3		464.8
Technology	424.1		173.1		251.0
Trademarks	86.3		29.3		57.0
Other	6.0		5.4		0.6
Total amortized intangible assets	1,222.9		414.2		808.7
Allen-Bradley® trademark not subject to amortization	43.7		—		43.7
Other intangible assets	$	1,266.6	$	414.2	$	852.4