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Goodwill and Intangible Assets (Tables)

6 Months Ended

Mar. 31, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill [Table Text Block]

						Commercial & Industrial															Communications												Infrastructure Solutions															Residential												Total
Goodwill at September 30, 2019						$			6,976									$			2,816						$			30,812									$			10,018						$			50,622
Acquisitions									—												—									3,906												6,014									9,920
Divestitures									—												—									—												—									—
Adjustments									—												—									—																					—
Goodwill at March 31, 2020						$			6,976									$			2,816						$			34,718									$			16,032						$			60,542

Schedule of Finite-Lived Intangible Assets [Table Text Block]

									Estimated Useful Lives (in Years)						March 31, 2020
																					Gross Carrying Amount									Accumulated Amortization						Net
Trademarks/trade names												5-20						$			7,854						$			(1,446)						$			6,408
Technical library												20									400									(131)									269
Customer relationships												6-15									46,189									(12,779)									33,410
Non-competition arrangements												5									1,300									(34)									1,266
Backlog and construction contracts												1									3,274									(817)									2,457
Total intangible assets																		$			59,017						$			(15,207)						$			43,810

									Estimated Useful Lives (in Years)						September 30, 2019
																					Gross Carrying Amount									Accumulated Amortization						Net
Trademarks/trade names												5-20						$			5,084						$			(1,267)						$			3,817
Technical library												20									400									(121)									279
Customer relationships												6-15									33,539									(11,051)									22,488
Non-competition arrangements												5									40									(9)									31
Backlog and construction contracts												1									599									(591)									8
Total intangible assets																		$			39,662						$			(13,039)						$			26,623

X

- References

No definition available.

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- Definition

Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance with a finite life, by either major class or business segment.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275

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- Definition

Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13854-109267

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