Business Segment Information (Tables)

6 Months Ended

Mar. 31, 2014

Segment Reporting, Disclosure of Entity's Reportable Segments [Abstract]

Segment Revenue from External Customers and Operating Income

		Three Months Ended				Six Months Ended
		31 March				31 March
		2014		2013		2014		2013
Sales to External Customers
	Merchant Gases	$	1,040.1	$	1,003.2	$	2,087.8	$	2,012.3
	Tonnage Gases		839.9		808.5		1,648.0		1,706.9
	Electronics and Performance Materials		591.7		548.8		1,170.8		1,097.8
	Equipment and Energy		110.2		123.7		220.8		229.6
Segment and Consolidated Totals		$	2,581.9	$	2,484.2	$	5,127.4	$	5,046.6
Operating Income
	Merchant Gases	$	143.4	$	168.1	$	312.6	$	339.1
	Tonnage Gases		112.2		123.2		229.8		261.3
	Electronics and Performance Materials		107.1		77.5		190.6		138.8
	Equipment and Energy		22.9		20.6		43.4		29.0
Segment Total		$	385.6	$	389.4	$	776.4	$	768.2
	Other		(.9)		.3		(6.1)		(6.1)
Consolidated Total		$	384.7	$	389.7	$	770.3	$	762.1

Schedule of Identifiable Assets Information

		31 March			30 September
			2014			2013
Identifiable Assets (A)
	Merchant Gases		$	6,682.3		$	6,729.9
	Tonnage Gases			5,473.3			5,397.0
	Electronics and Performance Materials			2,870.7			2,859.4
	Equipment and Energy			846.5			675.2
Segment Total			$	15,872.8		$	15,661.5
	Other			859.7			990.6
	Discontinued operations			-			2.5
Consolidated Total			$	16,732.5		$	16,654.6
(A) Identifiable assets are equal to total assets less investment in net assets of and advances to equity affiliates.