Goodwill

12 Months Ended

Sep. 30, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill

GOODWILL

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 2018	$162.1	$424.4	$171.9	$20.1	$10.4	$788.9
Acquisitions	—	38.5	10.1	—	—	48.6
Currency translation and other	(5.8)	(30.6)	(3.5)	(0.5)	—	(40.4)
Goodwill, net at 30 September 2019	$156.3	$432.3	$178.5	$19.6	$10.4	$797.1
Acquisitions	—	66.6	—	—	4.5	71.1
Currency translation and other	(3.7)	25.2	1.9	(0.1)	—	23.3
Goodwill, net at 30 September 2020	$152.6	$524.1	$180.4	$19.5	$14.9	$891.5

30 September	2020	2019	2018
Goodwill, gross	$1,230.2	$1,162.2	$1,194.7
Accumulated impairment losses(A)	(338.7)	(365.1)	(405.8)
Goodwill, net	$891.5	$797.1	$788.9

(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.

We review goodwill for impairment annually in the fourth quarter of the fiscal year and whenever events or changes in circumstances indicate that the carrying value of goodwill might not be recoverable. The impairment test for goodwill involves calculating the fair value of each reporting unit and comparing that value to the carrying value. If the fair value of the reporting unit is less than its carrying value, the difference is recorded as a goodwill impairment charge, not to exceed the total amount of goodwill allocated to that reporting unit. During the fourth quarter of fiscal year 2020, we conducted our annual goodwill impairment test and determined that the fair value of all our reporting units exceeded their carrying value.