XML 45 R33.htm IDEA: XBRL DOCUMENT v3.22.2
Business, Basis of Presentation and Significant Accounting Policies - Revenue Recognition (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Dec. 31, 2021
Revenue [Line Items]          
Revenue recognition, changes In contract estimates, cost-to-cost method, financial effect, percentage (less than)     5.00% 5.00%  
Revenue recognition, performance obligations satisfied in previous periods, revenue recognized $ 0.6 $ (30.5) $ (8.8) $ (37.0)  
Revenue recognition, remaining performance obligations, contract price allocated 5,200.0   5,200.0    
Contract with customer, unapproved change orders and/or claims, amount $ 165.0   $ 165.0   $ 104.0
Change order or claim approval process, term within which expected to be completed     1 year    
Revenue Benchmark | Concentration Risk from Type of Arrangement | Master Service and Other Service Agreements          
Revenue [Line Items]          
Concentration risk, percentage of total 54.00% 32.00% 56.00% 31.00%  
Revenue Benchmark | Concentration Risk from Type of Arrangement | Master Service and Other Service Agreements | Point in Time          
Revenue [Line Items]          
Concentration risk, percentage of total 4.00% 4.00% 4.00% 4.00%  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-07-01          
Revenue [Line Items]          
Revenue, remaining performance obligation, expected timing of satisfaction, period 6 months   6 months    
Revenue recognition, remaining performance obligations, contract price allocated $ 2,800.0   $ 2,800.0