Goodwill and Other Intangible Assets (Tables)

3 Months Ended

Dec. 31, 2021

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill

Changes in the carrying amount of Goodwill for the three months ended December 31, 2021, 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	—		—		9.2		9.2
Translation and other	(4.7)		(5.2)		(2.9)		(12.8)
Balance as of December 31, 2021	$	538.4	$	2,442.3	$	641.6	$	3,622.3

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

Other intangible assets consist of (in millions):

	December 31, 2021
	Carrying Amount		Accumulated Amortization		Net
Amortized intangible assets:
Software products	$	88.4	$	43.5	$	44.9
Customer relationships	595.9		84.9		511.0
Technology	419.4		84.1		335.3
Trademarks	73.1		14.8		58.3
Other	7.0		6.1		0.9
Total amortized intangible assets	1,183.8		233.4		950.4
Allen-Bradley® trademark not subject to amortization	43.7		—		43.7
Total	$	1,227.5	$	233.4	$	994.1

	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