Quarterly report [Sections 13 or 15(d)]

Business Acquisition - Additional Information (Details)

v3.25.2
Business Acquisition - Additional Information (Details)
$ in Thousands, shares in Millions
3 Months Ended 9 Months Ended
May 01, 2025
USD ($)
Feb. 03, 2025
USD ($)
plant
Jan. 02, 2025
USD ($)
plant
Nov. 01, 2024
USD ($)
plant
facility
installment
terminal
shares
Jun. 30, 2025
USD ($)
Jun. 30, 2024
USD ($)
Jun. 30, 2025
USD ($)
shares
Jun. 30, 2024
USD ($)
Sep. 30, 2024
USD ($)
Business Combination [Line Items]                  
Accrued expenses and other current liabilities         $ 127,875   $ 127,875   $ 42,189
Goodwill         775,756   775,756   $ 231,656
Revenues since acquisition date         193,900   385,000    
Net income         11,000   3,400    
Expenses and losses recognized         1,300   21,000    
Acquisition related costs         1,816 $ 941 22,174 $ 2,239  
2025 Acquisitions                  
Business Combination [Line Items]                  
Goodwill         542,365   542,365    
Acquisition related costs             21,000    
Lone Star Paving                  
Business Combination [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       $ 659,000          
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         66,800   66,800    
Goodwill         423,859   $ 423,859    
Lone Star Paving | Class A Common Stock                  
Business Combination [Line Items]                  
Business acquisition, restricted shares (in shares) | shares       3     3    
Aggregate fair market value       $ 236,300          
Oklahoma Acquisition                  
Business Combination [Line Items]                  
Consideration transferred     $ 121,100            
Number of hot-mix asphalt plants | plant     8            
Goodwill         68,422   $ 68,422    
Alabama Acquisition                  
Business Combination [Line Items]                  
Number of hot-mix asphalt plants acquired | plant   5              
Consideration transferred   $ 55,100              
Goodwill         18,535   18,535    
Tennessee Acquisition                  
Business Combination [Line Items]                  
Consideration transferred $ 96,100                
Goodwill         $ 31,549   $ 31,549