v3.26.3
Acquisitions and Dispositions (Details)
$ in Thousands
3 Months Ended 6 Months Ended 9 Months Ended 12 Months Ended
Mar. 07, 2025
USD ($)
plantOperation
Sep. 30, 2026
USD ($)
Jun. 30, 2026
USD ($)
Sep. 30, 2025
USD ($)
Jun. 30, 2026
USD ($)
Sep. 30, 2026
USD ($)
business
Sep. 30, 2025
USD ($)
Dec. 31, 2025
USD ($)
business
Dec. 31, 2024
USD ($)
Business Combination [Line Items]                  
Gains on bargain purchases           $ 235 $ 3,547    
Acquisitions, net of cash acquired           185,725 527,979    
Goodwill   $ 583,996   $ 469,381   583,996 469,381 $ 519,668 $ 297,225
Goodwill, measurement period adjustment           10,123 (12,240) $ (2,423)  
Acquisition related costs   1,600   $ 1,100   $ 5,100 $ 8,000    
Discontinued Operations, Disposed of by Sale | Strata Ready-Mix Plant Operations                  
Business Combination [Line Items]                  
Number of plant operations sold | plantOperation 4                
Proceeds from disposition of business $ 14,500                
2026 Aggregate Acquisitions                  
Business Combination [Line Items]                  
Number of businesses acquired | business           4      
Acquisitions, net of cash acquired           $ (184,400)      
Current assets acquired   11,100       11,100      
Property, plant, and equipment acquired   119,400       119,400      
Goodwill   65,100       65,100      
Finite-lived intangibles acquired   4,200       4,200      
Deferred tax liability acquired   8,200       8,200      
Current liabilities acquired   6,300       6,300      
Other noncurrent liabilities acquired   880       880      
Goodwill, measurement period adjustment     $ 11,700            
Revenue   27,900       55,500      
Net income (loss)   1,800       $ 210,000      
Montana Aggregate-Based Operations                  
Business Combination [Line Items]                  
Number of businesses acquired | business           2      
Montana Ready-Mix Concrete Business                  
Business Combination [Line Items]                  
Number of businesses acquired | business           1      
Oregon Supplier of Aggregates, Asphalt, Contracting and Paving Services                  
Business Combination [Line Items]                  
Gains on bargain purchases           $ 235      
2025 Aggregate Acquisitions                  
Business Combination [Line Items]                  
Number of businesses acquired | business               5  
Goodwill, measurement period adjustment         $ (780)        
Business combination, consideration transferred               $ 622,200  
Initial accounting incomplete, adjustment, intangibles         3,000        
Initial accounting incomplete, adjustment, property, plant, and equipment         $ (2,200)        
Holdback payment   $ 1,300