Goodwill (Tables)

12 Months Ended

Sep. 30, 2018

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Carrying Amount of Goodwill by Segment

Changes to the carrying amount of consolidated goodwill by segment are as follows:

	Industrial Gases– Americas			Industrial Gases– EMEA			Industrial Gases– Asia			Industrial Gases– Global			Corporate and other		Total
Goodwill, net at 30 September 2016		$309.1			$380.6			$135.2			$20.2			$—		$845.1
Impairment loss	(145.3		)	—			—			—			—		(145.3		)
Acquisitions	—			3.5			—			—			—		3.5
Currency translation	(.1		)	18.3			—			—			—		18.2
Goodwill, net at 30 September 2017		$163.7			$402.4			$135.2			$20.2			$—		$721.5
Acquisitions	—			29.5			38.1			—			10.4		78.0
Currency translation	(1.6		)	(7.5		)	(1.4		)	(.1		)	—		(10.6		)
Goodwill, net at 30 September 2018		$162.1			$424.4			$171.9			$20.1			$10.4		$788.9

30 September	2018			2017			2016
Goodwill, gross		$1,194.7			$1,138.7			$1,103.7
Accumulated impairment losses(A)	(405.8		)	(417.2		)	(258.6		)
Goodwill, net		$788.9			$721.5			$845.1

^(A)  Accumulated impairment losses include the impacts of currency translation. These losses are attributable to our Latin America reporting unit (LASA) within the Industrial Gases – Americas segment.