Quarterly report [Sections 13 or 15(d)]

Business Acquisition - Additional Information (Details)

v3.25.1
Business Acquisition - Additional Information (Details)
$ in Thousands, shares in Millions
3 Months Ended 6 Months Ended
Feb. 03, 2025
USD ($)
plant
Jan. 02, 2025
USD ($)
plant
Nov. 01, 2024
USD ($)
installment
plant
facility
terminal
shares
Mar. 31, 2025
USD ($)
Mar. 31, 2024
USD ($)
Mar. 31, 2025
USD ($)
shares
Mar. 31, 2024
USD ($)
Sep. 30, 2024
USD ($)
Business Acquisition [Line Items]                
Accrued expenses and other current liabilities       $ 123,488   $ 123,488   $ 42,189
Goodwill       745,040   745,040   $ 231,656
Revenues since acquisition date       130,100   191,100    
Net income       3,900   7,600    
Expenses and losses recognized       800   19,700    
Acquisition related costs       806 $ 771 20,358 $ 1,298  
2025 Acquisitions                
Business Acquisition [Line Items]                
Goodwill       511,766   511,766    
Acquisition related costs           19,700    
Lone Star Paving                
Business Acquisition [Line Items]                
Number of hot-mix asphalt plants acquired | plant     10          
Number of aggregate facilities acquired | facility     4          
Number of liquid asphalt terminals acquired | terminal     1          
Consideration transferred     $ 654,200          
Number of quarterly payments to selling unit holders | installment     4          
Total cash payments to selling unit holders     $ 30,000          
Accrued expenses and other current liabilities       84,400   84,400    
Goodwill       426,332   $ 426,332    
Lone Star Paving | Class A Common Stock                
Business Acquisition [Line Items]                
Business acquisition, restricted shares (in shares) | shares     3     3    
Aggregate fair market value     $ 236,300          
Oklahoma Acquisition                
Business Acquisition [Line Items]                
Consideration transferred   $ 121,100            
Number of hot-mix asphalt plants | plant   8            
Goodwill       68,333   $ 68,333    
Alabama Acquisition                
Business Acquisition [Line Items]                
Number of hot-mix asphalt plants acquired | plant 5              
Consideration transferred $ 55,100              
Goodwill       $ 17,101   $ 17,101