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Segments and Related Information - Narrative (Details)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2023
USD ($)
Mar. 31, 2023
USD ($)
Jun. 30, 2022
USD ($)
Jun. 30, 2023
USD ($)
segment
Jun. 30, 2022
USD ($)
Segment Reporting, Other Significant Reconciling Item [Line Items]          
Number of operating segments | segment       5  
Number of reportable segments | segment       5  
2023 Acquisitions          
Segment Reporting, Other Significant Reconciling Item [Line Items]          
Business combination, acquisition and integration related costs $ 22.7     $ 39.8  
Corporate | AVCT          
Segment Reporting, Other Significant Reconciling Item [Line Items]          
Fair value losses related to investment   $ 0.2      
Corporate | AVCT | Common Stock          
Segment Reporting, Other Significant Reconciling Item [Line Items]          
Fair value losses related to investment     $ 2.2   $ 7.1
Corporate | 2023 Acquisitions          
Segment Reporting, Other Significant Reconciling Item [Line Items]          
Business combination, acquisition and integration related costs 1.4   3.0 2.7 6.8
Communications | Operating Segments | 2023 Acquisitions          
Segment Reporting, Other Significant Reconciling Item [Line Items]          
Business combination, acquisition and integration related costs 4.6   1.1 13.5 1.9
Clean Energy and Infrastructure | Operating Segments | 2023 Acquisitions          
Segment Reporting, Other Significant Reconciling Item [Line Items]          
Business combination, acquisition and integration related costs 16.4   1.4 21.7 3.3
Power Delivery | Operating Segments | 2023 Acquisitions          
Segment Reporting, Other Significant Reconciling Item [Line Items]          
Business combination, acquisition and integration related costs $ 0.3   $ 7.0 $ 1.9 $ 14.1