Goodwill (Tables)

12 Months Ended

Sep. 30, 2016

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill [Table Text Block]

	Industrial Gases– Americas			Industrial Gases– EMEA			Industrial Gases– Asia			Industrial Gases– Global			Total
Goodwill, net at 30 September 2014	$	327.2		$	433.3		$	140.0		$	21.4		$	921.9
Acquisitions and adjustments	2.2			3.2			—			—			5.4
Currency translation and other	(31.8		)	(50.0		)	(6.9		)	(1.5		)	(90.2		)
Goodwill, net at 30 September 2015	$	297.6		$	386.5		$	133.1		$	19.9		$	837.1
Currency translation and other	11.5			(5.9		)	2.1			.3			8.0
Goodwill, net at 30 September 2016	$	309.1		$	380.6		$	135.2		$	20.2		$	845.1

30 September	2016			2015			2014
Goodwill, gross	$	1,103.7		$	1,080.8		$	1,206.7
Accumulated impairment losses(A)	(258.6		)	(243.7		)	(284.8		)
Goodwill, net	$	845.1		$	837.1		$	921.9

^(A)  Amount is attributable to the Industrial Gases – Americas segment and includes currency translation of $46.6, $61.5, and $20.4 as of 30 September 2016, 2015, and 2014, respectively.