Quarterly report pursuant to Section 13 or 15(d)

Business Acquisitions - Narrative (Details)

v3.22.1
Business Acquisitions - Narrative (Details)
$ in Thousands
3 Months Ended 6 Months Ended
Mar. 31, 2022
USD ($)
acquisition
Mar. 31, 2022
USD ($)
Mar. 31, 2022
USD ($)
Oct. 31, 2021
USD ($)
Oct. 01, 2021
plant
Sep. 30, 2021
USD ($)
Business Acquisition [Line Items]            
Goodwill $ 132,789 $ 132,789 $ 132,789     $ 85,422
Revenues since acquisition date   15,200 29,800      
Net income   1,000 1,300      
Expenses and losses recognized   200 400      
Acquisition related expenses, excluded   400 400      
King Asphalt, Inc. and J. Miller Construction Inc            
Business Acquisition [Line Items]            
Plants Acquired | plant         3  
Goodwill $ 46,400 46,400 46,400 $ 46,400    
Number of businesses acquired | acquisition 4          
Consideration transferred $ 104,700          
Cash payment to acquire business 104,100          
Cash and cash equivalents 1,200 1,200 1,200      
Contracts receivable including retainage 8,900 8,900 8,900      
Costs and estimated earnings in excess of billings on uncompleted contracts 100 100 100      
Inventory assumed 2,000 2,000 2,000      
Prepaid expenses and other current assets 500 500 500      
Accounts payable 2,800 2,800 2,800      
Billings in excess of costs and estimated earnings on uncompleted contracts 400 400 400      
Accrued expenses and other current liabilities 1,200 1,200 1,200      
Property, plant and equipment allocation $ 50,000 $ 50,000 $ 50,000