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Commitments and Contingencies (Details) - USD ($)		9 Months Ended
	Nov. 10, 2021	Jun. 30, 2022	Sep. 30, 2021
Commitments and Contingencies Disclosure [Abstract]
Loss contingency, reserve	$ 500	$ 3,096
Trade accounts receivable		10,861
Accrued Insurance, Current		6,745,000	$ 5,787,000
Loss Contingencies [Line Items]
Letters of Credit Outstanding, Amount		4,077,000
Estimated cost of completion of bonded projects		115,797,000
Purchase Commitment, Remaining Minimum Amount Committed		12,058,000
Insurance Related [Member]
Loss Contingencies [Line Items]
Letters of Credit Outstanding, Amount		$ 3,878,000	$ 4,327,000

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- Definition

Estimated cost of completion of bonded projects

+ References

No definition available.

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- Definition

Carrying value as of the balance sheet date of obligations incurred through that date and payable to insurance entities to mitigate potential loss from various risks or to satisfy a promise to provide certain coverage's to employees. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section 45
-Paragraph 8
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-Section S99
-Paragraph 1
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- Definition

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

+ References

No definition available.

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No definition available.

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Amount of loss contingency liability.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 1
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The amount of loss pertaining to the specified contingency that was charged against earnings in the period, including the effects of revisions in previously reported estimates.

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Minimum amount to be expended to satisfy the terms of arrangements in which the entity has agreed to expend funds to procure goods or services, excluding long-term purchase commitments or unconditional purchase obligations.

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-Name Accounting Standards Codification
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