Quarterly report [Sections 13 or 15(d)]

Contracts Receivable Including Retainage, Net (Details)

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Contracts Receivable Including Retainage, Net (Details) - USD ($)
$ in Thousands
Mar. 31, 2025
Sep. 30, 2024
Contractors [Abstract]    
Contracts receivable $ 345,800 $ 299,156
Retainage receivable 64,397 52,728
Contracts receivable including retainage, gross 410,197 351,884
Allowance for doubtful accounts (988) (1,073)
Contracts receivable including retainage, net $ 409,209 $ 350,811