Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Sep. 30, 2012

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill

The changes in the carrying amount of goodwill for the years ended September 30, 2012 and 2011 were (in millions):

	Architecture & Software		Control Products & Solutions			Total
Balance as of September 30, 2010	$	385.5	$	527.0		$	912.5
Acquisition of businesses	—		34.8			34.8
Translation and other	1.2		4.1			5.3
Balance as of September 30, 2011	386.7		565.9			952.6
Translation and other	1.0		(4.8		)	(3.8		)
Balance as of September 30, 2012	$	387.7	$	561.1		$	948.8

Other intangible assets

Other intangible assets consist of (in millions):

	September 30, 2012
	Carrying Amount		Accumulated Amortization		Net
Amortized intangible assets:
Computer software products	$	123.4	$	61.2	$	62.2
Customer relationships	72.6		30.7		41.9
Technology	88.9		50.9		38.0
Trademarks	32.1		12.9		19.2
Other	21.4		16.9		4.5
Total amortized intangible assets	338.4		172.6		165.8
Intangible assets not subject to amortization	43.7		—		43.7
Total	$	382.1	$	172.6	$	209.5

	September 30, 2011
	Carrying Amount		Accumulated Amortization		Net
Amortized intangible assets:
Computer software products	$	101.2	$	45.3	$	55.9
Customer relationships	72.4		23.2		49.2
Technology	85.1		44.0		41.1
Trademarks	31.2		9.0		22.2
Other	21.6		15.7		5.9
Total amortized intangible assets	311.5		137.2		174.3
Intangible assets not subject to amortization	43.7		—		43.7
Total	$	355.2	$	137.2	$	218.0