Divestiture	6 Months Ended
Mar. 31, 2022
Discontinued Operations And Disposal Groups [Abstract]
Divestiture	D. Divestitures Sale of Purification Solutions Business On March 1, 2022, the Company completed the sale of its Purification Solutions business, a reporting segment of the Company, to OEP for total expected cash proceeds of approximately $90 million, net of $7 million cash transferred. Upon completion of the sale, the Company received net cash proceeds of $79 million and recorded a receivable for $11 million, which are subject to customary post-closing adjustments. The $11 million receivable is included in Accounts and notes receivable on the Consolidated Balance Sheet at March 31, 2022. The Company expects to settle this receivable by the end of fiscal 2022. The Company recognized a pre-tax loss on sale of the Purification Solutions business of $7 million in the second quarter of fiscal 2022 and $197 million pre-tax impairment charge in the first quarter of fiscal 2022. The total after-tax loss on sale and impairment charge was $167 million for the six months ended March 31, 2022. Sale of Marshall Mine In September 2020, the Company entered into an agreement to sell its lignite mine located in Marshall, Texas to ADA Carbon Solutions, LLC (“ADACS”) for a nominal amount. As part of the transaction, the Company agreed to fund a portion of the costs ADACS expects to incur to close the mine. Additionally, in conjunction with the sale of the mine, the Business entered into a long-term supply agreement with ADACS, a producer of lignite-based activated carbon, which included an agreement for the Company to fund certain capital expenditures. These liabilities totaled $11 million, which the Company settled in full with ADACS during the second quarter of fiscal 2022 in connection with the sale of the Business.

Divestiture

6 Months Ended

Mar. 31, 2022

Discontinued Operations And Disposal Groups [Abstract]

D. Divestitures

Sale of Purification Solutions Business

On March 1, 2022, the Company completed the sale of its Purification Solutions business, a reporting segment of the Company, to OEP for total expected cash proceeds of approximately $90 million, net of $7 million cash transferred. Upon completion of the sale, the Company received net cash proceeds of $79 million and recorded a receivable for $11 million, which are subject to customary post-closing adjustments. The $11 million receivable is included in Accounts and notes receivable on the Consolidated Balance Sheet at March 31, 2022. The Company expects to settle this receivable by the end of fiscal 2022.

The Company recognized a pre-tax loss on sale of the Purification Solutions business of $7 million in the second quarter of fiscal 2022 and $197 million pre-tax impairment charge in the first quarter of fiscal 2022. The total after-tax loss on sale and impairment charge was $167 million for the six months ended March 31, 2022.

Sale of Marshall Mine

In September 2020, the Company entered into an agreement to sell its lignite mine located in Marshall, Texas to ADA Carbon Solutions, LLC (“ADACS”) for a nominal amount. As part of the transaction, the Company agreed to fund a portion of the costs ADACS expects to incur to close the mine. Additionally, in conjunction with the sale of the mine, the Business entered into a long-term supply agreement with ADACS, a producer of lignite-based activated carbon, which included an agreement for the Company to fund certain capital expenditures. These liabilities totaled $11 million, which the Company settled in full with ADACS during the second quarter of fiscal 2022 in connection with the sale of the Business.