Goodwill

6 Months Ended

Mar. 31, 2023

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill

GOODWILL

Changes to the carrying amount of consolidated goodwill by segment for the six months ended 31 March 2023 are as follows:

	Americas	Asia	Europe	Middle East  and India	Corporate and other	Total
Goodwill, net at 30 September 2022	$143.2	$172.7	$457.5	$15.8	$33.8	$823.0
Currency translation and other	8.7	4.2	47.9	—	0.1	60.9
Goodwill, net at 31 March 2023	$151.9	$176.9	$505.4	$15.8	$33.9	$883.9

	31 March	30 September
	2023	2022
Goodwill, gross	$1,218.0	$1,096.0
Accumulated impairment losses(A)	(334.1)	(273.0)
Goodwill, net	$883.9	$823.0

(A)Accumulated impairment losses are attributable to our Latin America reporting unit ("LASA") within the Americas segment and include the impact of currency translation.

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.