v3.26.1
Revenue from Contracts with Customers - Narrative (Details)
$ in Millions
3 Months Ended
Mar. 31, 2026
USD ($)
project
Mar. 31, 2025
USD ($)
project
Dec. 31, 2025
USD ($)
Property, Plant and Equipment [Line Items]      
Term of revenue contracts less than two years    
Net amount of unresolved change orders and claims $ 13.9   $ 13.6
Number of projects with write down | project 0 0  
Number of projects with write ups | project 0 0  
Revision amount for gross profit impact on contract estimates (more than) $ 1.0 $ 1.0  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2027-01-01      
Property, Plant and Equipment [Line Items]      
Revenue, remaining performance obligations, expected timing of satisfaction, period 24 months    
GCR | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2026-04-01      
Property, Plant and Equipment [Line Items]      
Remaining performance obligations, amount $ 188.2    
Revenue, remaining performance obligations, percentage 67.00%    
Revenue, remaining performance obligations, expected timing of satisfaction, period 9 months    
GCR | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2027-01-01      
Property, Plant and Equipment [Line Items]      
Revenue, remaining performance obligations, percentage 69.00%    
ODR | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2026-04-01      
Property, Plant and Equipment [Line Items]      
Remaining performance obligations, amount $ 255.2    
Revenue, remaining performance obligations, percentage 83.00%    
Revenue, remaining performance obligations, expected timing of satisfaction, period 9 months    
ODR | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2027-01-01      
Property, Plant and Equipment [Line Items]      
Revenue, remaining performance obligations, percentage 55.00%