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Segment Information - Summarized Financial Information (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Segment Reporting Information [Line Items]    
Revenues $ 5,031,819 $ 4,428,826
Operating income (loss) $ 155,354 $ 125,860
Operating income (loss) margin (in percent) 3.10% 2.80%
Equity in earnings of integral unconsolidated affiliates $ 12,334 $ 9,620
Non-cash stock-based compensation 35,331 27,451
Depreciation 88,895 78,382
Integral Unconsolidated Affiliates | Related Party    
Segment Reporting Information [Line Items]    
Equity in earnings of integral unconsolidated affiliates $ 12,300 $ 9,600
Revenue from Contract with Customer, Segment Benchmark | Segment Concentration Risk    
Segment Reporting Information [Line Items]    
Concentration risk percentage (in percent) 100.00% 100.00%
Corporate and Non-Allocated Costs    
Segment Reporting Information [Line Items]    
Operating income (loss) $ (194,405) $ (186,518)
Operating income (loss) margin (in percent) (3.90%) (4.20%)
Amortization $ 77,500 $ 72,400
Non-cash stock-based compensation 35,300 27,500
Depreciation 5,667 4,939
Electric Power | Operating Segments    
Segment Reporting Information [Line Items]    
Revenues 2,326,960 2,336,037
Operating income (loss) $ 228,025 $ 215,149
Operating income (loss) margin (in percent) 9.80% 9.20%
Depreciation $ 40,447 $ 42,085
Electric Power | Operating Segments | Revenue from Contract with Customer, Segment Benchmark | Segment Concentration Risk    
Segment Reporting Information [Line Items]    
Concentration risk percentage (in percent) 46.20% 52.70%
Renewable Energy | Operating Segments    
Segment Reporting Information [Line Items]    
Revenues $ 1,584,164 $ 1,008,300
Operating income (loss) $ 74,846 $ 35,656
Operating income (loss) margin (in percent) 4.70% 3.50%
Depreciation $ 17,795 $ 10,858
Renewable Energy | Operating Segments | Revenue from Contract with Customer, Segment Benchmark | Segment Concentration Risk    
Segment Reporting Information [Line Items]    
Concentration risk percentage (in percent) 31.50% 22.80%
Underground and Infrastructure | Operating Segments    
Segment Reporting Information [Line Items]    
Revenues $ 1,120,695 $ 1,084,489
Operating income (loss) $ 46,888 $ 61,573
Operating income (loss) margin (in percent) 4.20% 5.70%
Depreciation $ 24,986 $ 20,500
Underground and Infrastructure | Operating Segments | Revenue from Contract with Customer, Segment Benchmark | Segment Concentration Risk    
Segment Reporting Information [Line Items]    
Concentration risk percentage (in percent) 22.30% 24.50%