Subsequent Event	9 Months Ended
Jun. 30, 2021
Subsequent Events [Abstract]
Subsequent Event	16. Subsequent Event On July 2, 2021, the Company acquired 100 percent of the outstanding membership interest of Aquana, LLC, a comprehensive wireless water monitoring and control system provider (“Aquana”). Aquana will operate as a wholly-owned subsidiary of the Company and reside in the Company’s Adjacent Markets business segment. The acquisition purchase price for Aquana consisted of an initial cash down payment at closing of approximately $1.4 million, subject to adjustment, and additional contingent cash payments over a six year earn-out period. The contingent cash payments will be derived from revenue generated during the earn-out period from products and services sold by Aquana. The fair value of the contingent consideration has not yet been determined.

The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-URI http://asc.fasb.org/topic&trid=2122774

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6842918&loc=SL6314017-165662

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