Goodwill and Other Intangible Assets (Tables)

9 Months Ended

Jun. 30, 2011

Goodwill and Other Intangible Assets [Abstract]

Goodwill

			Control
	Architecture &		Products &
	Software		Solutions		Total
Balance as of September 30, 2010	$	385.5	$	527.0	$	912.5
Acquisition of businesses		—		34.0		34.0
Translation and other		4.3		17.8		22.1
Balance as of June 30, 2011	$	389.8	$	578.8	$	968.6

Other intangible assets

	June 30, 2011
	Carrying		Accumulated
	Amount		Amortization		Net
Amortized intangible assets:
Computer software products	$	175.2	$	120.1	$	55.1
Customer relationships		73.7		20.9		52.8
Technology		85.7		42.8		42.9
Trademarks		31.9		8.1		23.8
Other		22.1		15.6		6.5
Total amortized intangible assets		388.6		207.5		181.1
Intangible assets not subject to amortization		43.7		—		43.7
Total	$	432.3	$	207.5	$	224.8

	September 30, 2010
	Carrying		Accumulated
	Amount		Amortization		Net
Amortized intangible assets:
Computer software products	$	160.1	$	107.3	$	52.8
Customer relationships		59.6		16.6		43.0
Technology		83.8		38.0		45.8
Trademarks		32.5		7.6		24.9
Other		23.6		16.5		7.1
Total amortized intangible assets		359.6		186.0		173.6
Intangible assets not subject to amortization		43.7		—		43.7
Total	$	403.3	$	186.0	$	217.3