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Revenue Recognition (Tables)

12 Months Ended

Sep. 30, 2024

Revenue Recognition and Deferred Revenue [Abstract]

Disaggregation of Revenue [Table Text Block]

			Year Ended September 30,
			2024						2023						2022
Communications			$	776,474					$	600,776					$	559,777
Residential
Single-family Electrical			732,334						717,386						660,602
Single-family Plumbing & HVAC			324,911						243,885						164,903
Multi-family and Other			331,595						318,233						305,909
Total Residential			1,388,840						1,279,504						1,131,414
Infrastructure Solutions
Industrial Services			53,291						46,091						65,686
Custom Engineered Solutions			297,805						171,262						101,427
Total Infrastructure Solutions			351,096						217,353						167,113
Commercial & Industrial			367,948						279,594						308,504
Total Revenue			$	2,884,358					$	2,377,227					$	2,166,808

						Year Ended September 30, 2024
									Communications						Residential						Infrastructure Solutions						Commercial & Industrial						Total
Fixed-price									$	554,160					$	1,388,840					$	336,786					$	316,365					$	2,596,151
Time-and-material									222,314						—						14,310						51,583						288,207
Total revenue									$	776,474					$	1,388,840					$	351,096					$	367,948					$	2,884,358
						Year Ended September 30, 2023
									Communications						Residential						Infrastructure Solutions						Commercial & Industrial						Total
Fixed-price									$	404,684					$	1,279,504					$	210,547					$	241,159					$	2,135,894
Time-and-material									196,092						—						6,806						38,435						241,333
Total revenue									$	600,776					$	1,279,504					$	217,353					$	279,594					$	2,377,227
						Year Ended September 30, 2022
									Communications						Residential						Infrastructure Solutions						Commercial & Industrial						Total
Fixed-price									$	367,513					$	1,131,414					$	159,994					$	282,522					$	1,941,443
Time-and-material									192,264						—						7,119						25,982						225,365
Total revenue									$	559,777					$	1,131,414					$	167,113					$	308,504					$	2,166,808

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- 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
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479806/606-10-50-5

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- References

No definition available.

+ Details

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