Revenue Recognition (Tables)

6 Months Ended

Mar. 31, 2024

Revenue Recognition and Deferred Revenue [Abstract]

Disaggregation of Revenue [Table Text Block]

Our consolidated revenue for the three and six months ended March 31, 2024 and 2023 was derived from the following activities. Certain prior period amounts have been reclassified to conform with the current period presentation, where applicable. See details in the following tables:

	Three Months Ended March 31,				Six Months Ended March 31,
	2024		2023		2024		2023
Communications	$	193,503	$	141,120	$	364,251	$	288,365
Residential
Single-family	252,292		227,216		498,859		470,925
Multi-family and Other	87,080		78,896		156,369		153,265
Total Residential	339,372		306,112		655,228		624,190
Infrastructure Solutions
Industrial Services	12,076		11,562		23,174		22,516
Custom Power Solutions	63,713		41,054		115,503		79,384
Total Infrastructure Solutions	75,789		52,616		138,677		101,900
Commercial & Industrial	97,069		69,033		$	182,021	129,300
Total Revenue	$	705,733	$	568,881	$	1,340,177	$	1,143,755

	Three Months Ended March 31, 2024
		Communications		Residential		Infrastructure Solutions		Commercial & Industrial		Total
Fixed-price		$	141,144	$	339,372	$	73,543	$	82,972	$	637,031
Time-and-material			52,359		—		2,246		14,097		68,702
Total revenue		$	193,503	$	339,372	$	75,789	$	97,069	$	705,733
	Three Months Ended March 31, 2023
		Communications		Residential		Infrastructure Solutions		Commercial & Industrial		Total
Fixed-price		$	92,392	$	306,112	$	50,951	$	59,915	$	509,370
Time-and-material			48,728		—		1,665		9,118		59,511
Total revenue		$	141,120	$	306,112	$	52,616	$	69,033	$	568,881
	Six Months Ended March 31, 2024
		Communications		Residential		Infrastructure Solutions		Commercial & Industrial		Total
Fixed-price		$	266,367	$	655,228	$	134,423	$	156,882	$	1,212,900
Time-and-material			97,884		—		4,254		25,139		127,277
Total revenue		$	364,251	$	655,228	$	138,677	$	182,021	$	1,340,177
	Six Months Ended March 31, 2023
		Communications		Residential		Infrastructure Solutions		Commercial & Industrial		Total
Fixed-price		$	179,666	$	624,190	$	98,497	$	111,810	$	1,014,163
Time-and-material			108,699		—		3,403		17,490		129,592
Total revenue		$	288,365	$	624,190	$	101,900	$	129,300	$	1,143,755