XML 45 R28.htm IDEA: XBRL DOCUMENT v3.21.2

Revenue Recognition (Tables)

12 Months Ended

Sep. 30, 2021

Revenue Recognition and Deferred Revenue [Abstract]

Disaggregation of Revenue [Table Text Block]

			Year Ended September 30,
			2021						2020						2019
Communications			$	445,968					$	395,141					$	321,246
Residential
Single-family			454,449						239,140						212,358
Multi-family and Other			232,898						172,650						100,978
Total Residential			687,347						411,790						313,336
Infrastructure Solutions
Industrial Services			44,427						40,701						48,948
Custom Power Solutions			102,553						87,678						87,842
Total Infrastructure Solutions			146,980						128,379						136,790
Commercial & Industrial			256,198						255,546						305,624
Total Revenue			$	1,536,493					$	1,190,856					$	1,076,996

						Year Ended September 30, 2021
									Communications						Residential						Infrastructure Solutions						Commercial & Industrial						Total
Fixed-price									$	327,496					$	687,347					$	139,532					$	243,546					$	1,397,921
Time-and-material									118,472						—						7,448						12,652						138,572
Total revenue									$	445,968					$	687,347					$	146,980					$	256,198					$	1,536,493
						Year Ended September 30, 2020
									Communications						Residential						Infrastructure Solutions						Commercial & Industrial						Total
Fixed-price									$	309,567					$	411,790					$	121,922					$	241,864					$	1,085,143
Time-and-material									85,574						—						6,457						13,682						105,713
Total revenue									$	395,141					$	411,790					$	128,379					$	255,546					$	1,190,856
						Year Ended September 30, 2019
									Communications						Residential						Infrastructure Solutions						Commercial & Industrial						Total
Fixed-price									$	229,143					$	313,336					$	129,096					$	286,319					$	957,894
Time-and-material									92,103						—						7,694						19,305						119,102
Total revenue									$	321,246					$	313,336					$	136,790					$	305,624					$	1,076,996

X

- Definition

Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130545-203045

+ Details

Name:	us-gaap_DisaggregationOfRevenueTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	us-gaap_RevenueRecognitionAndDeferredRevenueAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration