Significant Accounting Policies (Tables)

9 Months Ended

Jun. 30, 2022

Accounting Policies [Abstract]

Schedule of Concentration Risk

Customers that accounted for more than 10% of consolidated revenues during the three and nine months ended June 30, 2022 and 2021 are presented below:

	% of Consolidated Revenues
	For the Three Months Ended June 30,				For the Nine Months Ended June 30,
	2022		2021		2022		2021
Alabama Department of Transportation	14.4	%	10.9	%	10.9	%	9.3	%
North Carolina Department of Transportation	13.6	%	12.2	%	10.3	%	8.7	%
Florida Department of Transportation	9.2	%	7.8	%	10.4	%	8.5	%

Schedule of Revenue by Major Customers

The following table reflects, for the periods presented, (i) revenues generated from public infrastructure construction projects and the sale of construction materials to public customers and (ii) revenues generated from private infrastructure construction projects and the sale of construction materials to private customers.

	% of Consolidated Revenues
	For the Three Months Ended June 30,				For the Nine Months Ended June 30,
	2022		2021		2022		2021
Private	36.6	%	38.5	%	38.8	%	40.0	%
Public	63.4	%	61.5	%	61.2	%	60.0	%