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Goodwill and Intangible Assets (Tables)

12 Months Ended

Sep. 30, 2023

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill [Table Text Block]

			Communications						Residential						Infrastructure Solutions						Commercial & Industrial						Total
Balance at September 30, 2023			$	2,816					$	51,370					$	38,209					$	—					$	92,395

Schedule of Finite-Lived Intangible Assets [Table Text Block]

															September 30, 2022
			Estimated Useful Lives (in Years)												Gross Carrying Amount						Accumulated Amortization						Net
Trademarks/trade names			5			-			20						$	15,262					$	(4,589)					$	10,673
Technical library			20												400						(181)						219
Customer relationships			6			-			15						96,699						(35,662)						61,037
Non-competition arrangements			5												40						(33)						7
Backlog and construction contracts			1												4,958						(4,958)						—
Total															$	117,359					$	(45,423)					$	71,936

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]

Year Ending September 30,
2024			$	12,265
2025			12,081
2026			11,760
2027			8,391
2028			5,416
Thereafter			6,295
Total			$	56,208

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