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Goodwill and Intangible Assets Goodwill (Details) $ in Thousands	9 Months Ended
	Jun. 30, 2021 USD ($)
Goodwill [Line Items]
Goodwill	$ 53,763
Goodwill, Acquired During Period	38,264
Goodwill	92,027
Residential [Member]
Goodwill [Line Items]
Goodwill	16,219
Goodwill, Acquired During Period	34,902
Goodwill	51,121
Infrastructure Solutions [Member]
Goodwill [Line Items]
Goodwill	34,728
Goodwill, Acquired During Period	3,362
Goodwill	38,090
Communications [Member]
Goodwill [Line Items]
Goodwill	2,816
Goodwill	$ 2,816

X

- Definition

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(10)(1))
-URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 5
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Reference 3: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 852
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-Section 55
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-Topic 350
-SubTopic 20
-Section 45
-Paragraph 1
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- Definition

Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

+ References

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+ References

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