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Revenue and Contracts in Process - Schedule of Accounts Receivable (Details) - USD ($)
$ in Millions
Mar. 31, 2024
Dec. 31, 2023
Segment Reporting Information [Line Items]    
Total accounts receivables with customers $ 264.7 $ 273.2
Infrastructure    
Segment Reporting Information [Line Items]    
Total accounts receivables with customers 262.6 271.5
Life Sciences    
Segment Reporting Information [Line Items]    
Total accounts receivables with customers 0.5 0.3
Spectrum    
Segment Reporting Information [Line Items]    
Total accounts receivables with customers $ 1.6 $ 1.4