Sale and Leaseback of Real Estate	9 Months Ended
Jun. 30, 2022
Leases [Abstract]
Sale and Leaseback of Real Estate	2. Sale and Leaseback of Real Estate On June 23, 2022, our subsidiary, BTU International, Inc. (“BTU”), completed the sale and leaseback of BTU's building in Billerica, Massachusetts (the “Property”). The sale price was $20.6 million, of which $0.7 million was deducted at closing for commission and other closing expenses. Simultaneously with the closing, BTU entered into a two-year leaseback of the Property. The lease terms include annual base rent of $1.5 million in an absolute triple net lease. In connection with the sale, BTU recognized a pretax gain on sale of $12.5 million. This sale-leaseback transaction resulted in a net cash inflow of approximately $14.9 million, after repayment of the existing mortgage and settlement of related sale expenses.

The entire disclosure for sale leaseback transaction. Includes, but is not limited to, terms and conditions of transaction and gain (loss) from transaction.

Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 40
-URI https://asc.fasb.org/subtopic&trid=2209073

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 40
-URI https://asc.fasb.org/subtopic&trid=77888253

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