Revenue Recognition (Tables)

9 Months Ended

Jun. 30, 2023

Revenue Recognition and Deferred Revenue [Abstract]

Disaggregation of Revenue [Table Text Block]

Our consolidated revenue for the three and nine months ended June 30, 2023 and 2022 was derived from the following activities. See details in the following tables:

	Three Months Ended June 30,				Nine Months Ended June 30,
	2023		2022		2023		2022
Communications	$	141,615	$	144,748	$	429,980	$	402,776
Residential
Single-family	228,637		224,556		666,891		590,453
Multi-family and Other	89,374		77,207		275,310		213,492
Total Residential	318,011		301,763		942,201		803,945
Infrastructure Solutions
Industrial Services	11,312		15,317		33,828		45,970
Custom Power Solutions	45,745		24,520		125,129		77,696
Total Infrastructure Solutions	57,057		39,837		158,957		123,666
Commercial & Industrial	67,768		80,953		$	197,068	219,016
Total Revenue	$	584,451	$	567,301	$	1,728,206	$	1,549,403

	Three Months Ended June 30, 2023
		Communications		Residential		Infrastructure Solutions		Commercial & Industrial		Total
Fixed-price		$	98,027	$	318,011	$	55,409	$	61,351	$	532,798
Time-and-material			43,588		—		1,648		6,417		51,653
Total revenue		$	141,615	$	318,011	$	57,057	$	67,768	$	584,451
	Three Months Ended June 30, 2022
		Communications		Residential		Infrastructure Solutions		Commercial & Industrial		Total
Fixed-price		$	94,109	$	301,763	$	38,126	$	75,779	$	509,777
Time-and-material			50,639		—		1,711		5,174		57,524
Total revenue		$	144,748	$	301,763	$	39,837	$	80,953	$	567,301

	Nine Months Ended June 30, 2023
		Communications		Residential		Infrastructure Solutions		Commercial & Industrial		Total
Fixed-price		$	277,693	$	942,201	$	153,906	$	178,902	$	1,552,702
Time-and-material			152,287		—		5,051		18,166		175,504
Total revenue		$	429,980	$	942,201	$	158,957	$	197,068	$	1,728,206
	Nine Months Ended June 30, 2022
		Communications		Residential		Infrastructure Solutions		Commercial & Industrial		Total
Fixed-price		$	268,253	$	803,945	$	118,503	$	204,985	$	1,395,686
Time-and-material			134,523		—		5,163		14,031		153,717
Total revenue		$	402,776	$	803,945	$	123,666	$	219,016	$	1,549,403