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Operating Segments (Tables)

9 Months Ended

Jun. 30, 2020

Segment Reporting [Abstract]

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

						Three Months Ended June 30, 2020
						Commercial & Industrial						Communications						Infrastructure Solutions						Residential						Corporate						Total
Revenues									$	56,778					$	96,500					$	31,942					$	107,905					$	—					$	293,125
Cost of services									52,212						77,792						22,609						82,192						—						234,805
Gross profit									4,566						18,708						9,333						25,713						—						58,320
Selling, general and administrative									8,786						9,316						5,512						16,767						3,880						44,261
Loss (gain) on sale of assets									(6)						—						3						—						—						(3)
Operating income (loss)									(4,214)						9,392						3,818						8,946						(3,880)						14,062
Other data:
			Depreciation and amortization expense			$	692					$	330					$	1,683					$	476					$	19					$	3,200
			Capital expenditures			$	496					$	63					$	135					$	108					$	—					$	802
			Total assets			$	71,877					$	131,796					$	126,557					$	107,919					$	87,176					$	525,325

						Three Months Ended June 30, 2019
						Commercial & Industrial						Communications						Infrastructure Solutions						Residential						Corporate						Total
Revenues									$	75,370					$	90,438					$	36,109					$	80,716					$	—					$	282,633
Cost of services									69,171						75,044						27,671						64,350						—						236,236
Gross profit									6,199						15,394						8,438						16,366						—						46,397
Selling, general and administrative									6,827						8,406						4,937						11,812						4,351						36,333
Contingent consideration									—						—						(163)						—						—						(163)
Loss (gain) on sale of assets									(4)						—						(4)						—						—						(8)
Operating income (loss)									(624)						6,988						3,668						4,554						(4,351)						10,235
Other data:
			Depreciation and amortization expense			$	652					$	339					$	1,122					$	218					$	23					$	2,354
			Capital expenditures			$	507					$	74					$	311					$	329					$	22					$	1,243
			Total assets			$	81,693					$	111,270					$	118,143					$	57,866					$	69,392					$	438,364

						Nine Months Ended June 30, 2020
									Commercial & Industrial						Communications						Infrastructure Solutions						Residential						Corporate						Total
Revenues												$	190,481					$	276,779					$	92,525					$	300,660					$	—					$	860,445
Cost of services												174,712						225,866						68,177						231,891						—						700,646
Gross profit												15,769						50,913						24,348						68,769						—						159,799
Selling, general and administrative												24,660						27,304						14,923						46,241						11,041						124,169
Loss (gain) on sale of assets												(34)						(9)						3						—						—						(40)
Operating income (loss)												(8,857)						23,618						9,422						22,528						(11,041)						35,670
Other data:
			Depreciation and amortization expense						$	2,057					$	1,010					$	4,557					$	1,117					$	56					$	8,797
			Capital expenditures						$	1,168					$	531					$	725					$	977					$	299					$	3,700
			Total assets						$	71,877					$	131,796					$	126,557					$	107,919					$	87,176					$	525,325

						Nine Months Ended June 30, 2019
									Commercial & Industrial						Communications						Infrastructure Solutions						Residential						Corporate						Total
Revenues												$	227,928					$	230,200					$	100,038					$	225,223					$	—					$	783,389
Cost of services												204,263						190,895						78,227						178,771						—						652,156
Gross profit												23,665						39,305						21,811						46,452						—						131,233
Selling, general and administrative												20,906						23,006						14,103						34,136						11,338						103,489
Contingent consideration												—						—						(278)						—						—						(278)
Loss (gain) on sale of assets												(8)						—						97						(2)						—						87
Operating income (loss)												2,767						16,299						7,889						12,318						(11,338)						27,935
Other data:
			Depreciation and amortization expense						$	1,907					$	1,180					$	3,391					$	644					$	78					$	7,200
			Capital expenditures						$	1,974					$	767					$	1,133					$	1,174					$	124					$	5,172
			Total assets						$	81,693					$	111,270					$	118,143					$	57,866					$	69,392					$	438,364

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=115929826&loc=d3e8736-108599

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
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-URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8813-108599

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
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-URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
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Reference 5: 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=115929826&loc=d3e8906-108599

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