Goodwill and Other Intangible Assets (Tables)

3 Months Ended

Dec. 31, 2019

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill

Changes in the carrying amount of goodwill for the three months ended December 31, 2019, are (in millions):

	Architecture & Software		Control Products & Solutions		Total
Balance as of September 30, 2019	$	432.3	$	638.8	$	1,071.1
Acquisition of businesses	—		316.3		316.3
Translation	3.0		5.4		8.4
Balance as of December 31, 2019	$	435.3	$	960.5	$	1,395.8

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

Other intangible assets consist of (in millions):

	December 31, 2019
	Carrying Amount		Accumulated Amortization		Net
Amortized intangible assets:
Computer software products	$	190.6	$	130.9	$	59.7
Customer relationships	305.2		75.6		229.6
Technology	154.2		73.3		80.9
Trademarks	55.3		28.3		27.0
Other	10.8		9.9		0.9
Total amortized intangible assets	716.1		318.0		398.1
Allen-Bradley® trademark not subject to amortization	43.7		—		43.7
Total	$	759.8	$	318.0	$	441.8

	September 30, 2019
	Carrying Amount		Accumulated Amortization		Net
Amortized intangible assets:
Computer software products	$	190.6	$	128.3	$	62.3
Customer relationships	110.5		69.2		41.3
Technology	110.4		69.5		40.9
Trademarks	31.4		26.4		5.0
Other	10.6		9.7		0.9
Total amortized intangible assets	453.5		303.1		150.4
Allen-Bradley® trademark not subject to amortization	43.7		—		43.7
Total	$	497.2	$	303.1	$	194.1