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Acquisitions - Narratives (Details) - USD ($)
$ in Thousands
 1 Months Ended 3 Months Ended
Aug. 31, 2023
Jul. 27, 2024
Apr. 27, 2024
Jan. 27, 2024
Business Acquisition [Line Items]        
Goodwill   $ 320,388   $ 311,991
Northwestern United States Telecommunications Construction Contractor        
Business Acquisition [Line Items]        
Business combination, consideration transferred   25,100    
Payment to acquire business, net of cash acquired   21,000    
Cash and equivalents   4,100    
Goodwill   5,400    
Midwestern United States Telecommunications Construction Contractor        
Business Acquisition [Line Items]        
Business combination, consideration transferred     $ 16,000  
Payment to acquire business, net of cash acquired     12,800  
Cash and equivalents     3,200  
Goodwill   8,600 $ 3,200  
Business acquisition, goodwill and intangible assets, expected tax deductible amount   $ 20,600    
Bigham        
Business Acquisition [Line Items]        
Business combination, consideration transferred $ 131,200      
Payment to acquire business, net of cash acquired 127,000      
Cash and equivalents 8,300      
Goodwill 39,200      
Business acquisition, goodwill and intangible assets, expected tax deductible amount 81,400      
Business combination, consideration transferred, liabilities incurred $ 4,100