Acquisition	6 Months Ended
Mar. 31, 2021
Business Combinations [Abstract]
Acquisition	2. Acquisition On March 3, 2021, we acquired 100% of the issued and outstanding shares of capital stock of Intersurface Dynamics, Inc. (“IDI”), a Connecticut-based manufacturer of substrate process chemicals used in various manufacturing processes, including semiconductors, silicon and compound semiconductor wafers, and optics, for a cash purchase price of $5,250,000. The purchase price allocation is not yet finalized; however, a substantial portion of the total purchase price was allocated to goodwill. IDI’s results of operations are included in our Material and Substrate segment from the date of acquisition.

The entire disclosure for a business combination (or series of individually immaterial business combinations) completed during the period, including background, timing, and recognized assets and liabilities. The disclosure may include leverage buyout transactions (as applicable).

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-URI http://asc.fasb.org/topic&trid=2303972

Name:	us-gaap_BusinessCombinationDisclosureTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration