Goodwil and Intangible Assets (Tables)

12 Months Ended

Sep. 30, 2012

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill [Table Text Block]

				Acquisitions		Currency
				and		Translation
30 September		2011		Adjustments		and Other		2012
Merchant Gases	$	479.2	$	630.0	$	29.4	$	1,138.6
Tonnage Gases		14.1		-		.6		14.7
Electronics and Performance Materials		302.9		135.4		6.8		445.1
	$	796.2	$	765.4	$	36.8	$	1,598.4

				Acquisitions		Currency
				and		Translation
30 September		2010		Adjustments		and Other		2011
Merchant Gases	$	498.0	$	4.9	$	(23.7)	$	479.2
Tonnage Gases		15.5		-		(1.4)		14.1
Electronics and Performance Materials		303.4		-		(.5)		302.9
	$	816.9	$	4.9	$	(25.6)	$	796.2

Schedule of Finite-Lived Intangible Assets [Table Text Block]

				30 September 2012							30 September 2011
	Amortization					Accumulated							Accumulated
	Period		Gross			Amortization		Net		Gross			Amortization		Net
Customer relationships	21.9 years	$	665.3		$	(93.1)	$	572.2	$	270.0		$	(73.1)	$	196.9
Patents and technology	17.0 years		129.8			(82.0)		47.8		97.1			(75.9)		21.2
Other	29.5 years		82.3			(38.4)		43.9		78.3			(35.9)		42.4
Trade names and trademarks	Indefinite		97.7			-		97.7		-			-		-
		$	975.1		$	(213.5)	$	761.6	$	445.4		$	(184.9)	$	260.5

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]

2013	$	41.5
2014		40.6
2015		39.7
2016		38.1
2017		36.3
Thereafter		467.7
	$	663.9