Purification Solutions Goodwill and Long-Lived Assets Impairment Charges (Tables)

6 Months Ended

Mar. 31, 2019

Goodwill And Intangible Assets Disclosure [Abstract]

Impairment Charges and Associated Deferred Tax Benefit

During the second quarter of fiscal 2018, the Company recorded impairment charges relating to the goodwill and long-lived assets of the Purification Solutions reporting unit, and an associated deferred tax benefit, in the Consolidated Statement of Operations as follows:

	Three Months Ended March 31, 2018
	(In millions)
Purification Solutions goodwill impairment charge	$	92
Purification Solutions long-lived assets impairment charge		162
Benefit for income taxes		(30	)
Impairment charges, after tax	$	224