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Acquisitions - Narrative (Details) - USD ($)
$ in Thousands
 3 Months Ended
Oct. 03, 2025
Aug. 05, 2025
Mar. 31, 2026
Dec. 31, 2025
Business Combination [Line Items]        
Goodwill     $ 400,536 $ 400,814
Cinderlite        
Business Combination [Line Items]        
Consideration transferred $ 58,500      
Tangible assets acquired 58,300      
Property and equipment 58,100      
Revenue since acquisition date     3,400  
Cinderlite | Materials        
Business Combination [Line Items]        
Goodwill $ 100      
Warren Paving        
Business Combination [Line Items]        
Consideration transferred   $ 540,000    
Tangible assets acquired   552,298    
Liabilities assumed   193,283    
Property and equipment   419,737    
Goodwill   142,768    
Revenue since acquisition date     61,200  
Gross profit since acquisition date     9,700  
Purchase price   548,583    
Identifiable intangible assets   46,800    
Receivables   38,564    
Warren Paving | Construction        
Business Combination [Line Items]        
Goodwill   29,200    
Warren Paving | Materials        
Business Combination [Line Items]        
Goodwill   113,600    
Papich Construction        
Business Combination [Line Items]        
Consideration transferred   170,000    
Property and equipment   84,600    
Revenue since acquisition date     28,800  
Gross profit since acquisition date     $ (6,000)  
Purchase price   178,000    
Identifiable intangible assets   17,400    
Goodwill that is tax deductible   42,400    
Net tangible assets   118,200    
Receivables   33,600    
Papich Construction | Construction        
Business Combination [Line Items]        
Goodwill   36,400    
Papich Construction | Materials        
Business Combination [Line Items]        
Goodwill   $ 6,000