Goodwill and Other Intangible Assets (Tables)

9 Months Ended

Jun. 30, 2021

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill

Changes in the carrying amount of goodwill for the nine months ended June 30, 2021, are (in millions):

	Architecture & Software		Control Products & Solutions		Intelligent Devices		Software & Control		Lifecycle Services		Total
Balance as of September 30, 2020	$	609.4	$	1,040.9	$	—	$	—	$	—	$	1,650.3
Reallocation due to change in Segments	(609.4)		(1,040.9)		535.1		497.3		617.9		—
Acquisition of businesses	—		—		—		212.0		12.8		224.8
Translation	—		—		15.3		16.8		8.8		40.9
Balance as of June 30, 2021	$	—	$	—	$	550.4	$	726.1	$	639.5	$	1,916.0

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

Other intangible assets consist of (in millions):

	June 30, 2021
	Carrying Amount		Accumulated Amortization		Net
Amortized intangible assets:
Software products	$	197.2	$	147.4	$	49.8
Customer relationships	368.2		115.7		252.5
Technology	225.4		99.7		125.7
Trademarks	77.2		37.1		40.1
Other	15.5		14.5		1.0
Total amortized intangible assets	883.5		414.4		469.1
Allen-Bradley® trademark not subject to amortization	43.7		—		43.7
Total	$	927.2	$	414.4	$	512.8

	September 30, 2020
	Carrying Amount		Accumulated Amortization		Net
Amortized intangible assets:
Software products	$	192.7	$	139.0	$	53.7
Customer relationships	351.3		92.5		258.8
Technology	165.8		84.0		81.8
Trademarks	71.7		31.3		40.4
Other	14.4		13.5		0.9
Total amortized intangible assets	795.9		360.3		435.6
Allen-Bradley® trademark not subject to amortization	43.7		—		43.7
Total	$	839.6	$	360.3	$	479.3