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Acquisitions and Dispositions - Narrative (Details)
$ in Thousands
 12 Months Ended
Mar. 07, 2025
USD ($)
plantOperation
Dec. 31, 2025
USD ($)
business
Dec. 31, 2024
USD ($)
business
Dec. 31, 2023
USD ($)
Business Combination [Line Items]        
Gain on bargain purchase   $ 3,547 $ 0 $ 0
Goodwill   519,668 297,225 $ 274,478
Acquisition related costs   10,800 7,700  
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      
Strata Corporation        
Business Combination [Line Items]        
Business combination, consideration transferred 454,000      
Acquiree's revenue since acquisition date   198,700    
Deferred income taxes 45,092 50,285    
Total current assets 82,968 82,375    
Property, plant and equipment 266,370 274,571    
Operating lease right-of-use assets 53 53    
Goodwill 152,329 146,961    
Total current liabilities 25,640 17,373    
Other noncurrent liabilities 3,293 4,191    
Strata Corporation | Backlog        
Business Combination [Line Items]        
Finite-lived intangibles acquired $ 8,800      
Average Useful Life In Years 9 months      
Strata Corporation | Permits        
Business Combination [Line Items]        
Finite-lived intangibles acquired $ 4,100      
Average Useful Life In Years 10 years      
2025 Aggregate Acquisitions        
Business Combination [Line Items]        
Business combination, consideration transferred   177,200    
Finite-lived intangibles acquired   5,200    
Deferred income taxes   $ 1,300    
Number of businesses acquired | business   4    
Total current assets   $ 22,100    
Property, plant and equipment   98,700    
Operating lease right-of-use assets   3,100    
Goodwill   75,600    
Total current liabilities   13,400    
Other noncurrent liabilities   9,300    
2025 Aggregate Acquisitions | Backlog        
Business Combination [Line Items]        
Finite-lived intangibles acquired   1,100    
2025 Aggregate Acquisitions | Noncompete agreements        
Business Combination [Line Items]        
Finite-lived intangibles acquired   100    
2025 Aggregate Acquisitions | Customer relationships        
Business Combination [Line Items]        
Finite-lived intangibles acquired   4,000    
Washington Aggregate Quarry Operation        
Business Combination [Line Items]        
Gain on bargain purchase   3,500    
Deferred income taxes   1,300    
Oregon Aggregates and Contracting Company        
Business Combination [Line Items]        
Holdback liability   $ 5,400    
2024 Aggregate Acquisitions        
Business Combination [Line Items]        
Business combination, consideration transferred     119,000  
Finite-lived intangibles acquired     $ 21,100  
Number of businesses acquired | business     4  
Total current assets     $ 28,900  
Property, plant and equipment     51,500  
Goodwill     22,700  
Total current liabilities     5,600  
Other noncurrent liabilities     1,500  
Other noncurrent assets     $ 1,900