Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Sep. 30, 2011

Goodwill and Other Intangible Assets [Abstract]

Goodwill

				Control
	Architecture &			Products &
	Software			Solutions		Total
Balance as of September 30, 2009	$	386.8		$	526.4	$	913.2
Translation and other		(1.3	)		0.6		(0.7	)
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

Other intangible assets

	September 30, 2011
	Carrying		Accumulated
	Amount		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

	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