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Operating Segments (Tables)

12 Months Ended

Sep. 30, 2021

Segment Reporting [Abstract]

Schedule of Segment Reporting Information, by Segment [Table Text Block]

						Year Ended September 30, 2021
						Communications						Residential						Infrastructure Solutions						Commercial & Industrial						Corporate						Total
Revenues						$	445,968					$	687,347					$	146,980					$	256,198					$	—					$	1,536,493
Cost of services						361,197						553,546						106,048						227,704						—						1,248,495
Gross profit						84,771						133,801						40,932						28,494						—						287,998
Selling, general and administrative						41,373						92,761						23,966						28,172						15,979						202,251
Contingent consideration						—						211						—						—						—						211
Loss (gain) on sale of assets						(4)						86						(10)						(92)						(27)						(47)
Income (loss) from operations						$	43,402					$	40,743					$	16,976					$	414					$	(15,952)					$	85,583
Other data:
			Depreciation and amortization expense			$	1,394					$	11,490					$	6,170					$	2,709					$	151					$	21,914
			Capital expenditures			$	963					$	2,829					$	2,067					$	1,453					$	89					$	7,401
			Total assets			$	164,699					$	329,691					$	137,628					$	87,577					$	47,027					$	766,622

						Year Ended September 30, 2020
						Communications						Residential						Infrastructure Solutions						Commercial & Industrial						Corporate						Total
Revenues						$	395,141					$	411,790					$	128,379					$	255,546					$	—					$	1,190,856
Cost of services						317,013						318,034						93,358						234,492						—						962,897
Gross profit						78,128						93,756						35,021						21,054						—						227,959
Selling, general and administrative						37,674						63,668						20,418						32,128						17,023						170,911
Goodwill impairment expense						—						—						—						6,976						—						6,976
Contingent consideration						—						—						—						(11)						—						(11)
Loss (gain) on sale of assets						8						2						35						(45)						—						—
Income (loss) from operations						$	40,446					$	30,086					$	14,568					$	(17,994)					$	(17,023)					$	50,083
Other data:
			Depreciation and amortization expense			$	1,351					$	2,276					$	6,020					$	2,768					$	93					$	12,508
			Capital expenditures			$	830					$	1,459					$	795					$	1,362					$	299					$	4,745
			Total assets			$	154,808					$	110,998					$	124,640					$	68,318					$	101,764					$	560,528

						Year Ended September 30, 2019
						Communications						Residential						Infrastructure Solutions						Commercial & Industrial						Corporate						Total
Revenues						$	321,246					$	313,336					$	136,790					$	305,624					$	—					$	1,076,996
Cost of services						264,746						248,562						105,863						275,722						—						894,893
Gross profit						56,500						64,774						30,927						29,902						—						182,103
Selling, general and administrative						31,850						46,864						18,664						27,815						15,382						140,575
Contingent consideration						(97)						—						(277)						—						—						(374)
Loss (gain) on sale of assets						(6)						(17)						105						(30)						—						52
Income (loss) from operations						$	24,753					$	17,927					$	12,435					$	2,117					$	(15,382)					$	41,850
Other data:
			Depreciation and amortization expense			$	1,513					$	852					$	4,528					$	2,563					$	101					$	9,557
			Capital expenditures			$	973					$	1,412					$	1,377					$	2,402					$	136					$	6,300
			Total assets			$	109,263					$	63,903					$	116,867					$	82,050					$	73,175					$	445,258

X

- Definition

Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 22
-URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8736-108599

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 25
-URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8813-108599

Reference 3: 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=121556970&loc=d3e13816-109267

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 30
-URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8906-108599

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- References

No definition available.

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