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Revenue and Contracts in Process - Reconciliation of Revenue from Segments to Consolidated (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Segment Reporting Information [Line Items]    
Revenue $ 1,637.3 $ 1,205.2
Infrastructure    
Segment Reporting Information [Line Items]    
Revenue 1,593.8 1,159.5
Life Sciences    
Segment Reporting Information [Line Items]    
Revenue 4.3 3.5
Spectrum    
Segment Reporting Information [Line Items]    
Revenue 38.7 42.0
Operating Segments | Infrastructure    
Segment Reporting Information [Line Items]    
Revenue 1,594.3 1,159.7
Operating Segments | Life Sciences    
Segment Reporting Information [Line Items]    
Revenue 4.3 3.5
Operating Segments | Spectrum    
Segment Reporting Information [Line Items]    
Revenue $ 38.7 $ 42.0