v3.26.3
Revenue from Contracts with Customers - Narrative (Details)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2026
USD ($)
project
Sep. 30, 2025
USD ($)
project
Sep. 30, 2026
USD ($)
project
Sep. 30, 2025
USD ($)
project
Dec. 31, 2025
USD ($)
Property, Plant, and Equipment [Line Items]          
Term of revenue contracts     less than two years    
Revenue recognized $ 2.9 $ 3.4 $ 17.1 $ 40.0  
Net amount of unresolved change orders and claims $ 16.9   $ 16.9   $ 13.6
Number of projects with write down | project 0 0 0 0  
Number of projects with write ups | project 0 0 0 0  
Revision amount for gross profit impact on contract estimates (more than) $ 1.0 $ 1.0 $ 1.0 $ 1.0  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2027-10-01          
Property, Plant, and Equipment [Line Items]          
Revenue, remaining performance obligations, expected timing of satisfaction, period 24 months   24 months    
ODR | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2026-10-01          
Property, Plant, and Equipment [Line Items]          
Remaining performance obligations, amount $ 290.4   $ 290.4    
Revenue, remaining performance obligations, percentage 45.00%   45.00%    
Revenue, remaining performance obligations, expected timing of satisfaction, period 6 months   6 months    
ODR | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2027-10-01          
Property, Plant, and Equipment [Line Items]          
Revenue, remaining performance obligations, percentage 33.00%   33.00%    
GCR | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2026-10-01          
Property, Plant, and Equipment [Line Items]          
Remaining performance obligations, amount $ 366.1   $ 366.1    
Revenue, remaining performance obligations, percentage 31.00%   31.00%    
Revenue, remaining performance obligations, expected timing of satisfaction, period 6 months   6 months    
GCR | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2027-10-01          
Property, Plant, and Equipment [Line Items]          
Revenue, remaining performance obligations, percentage 17.00%   17.00%