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Segment Information - Summarized Financial Information (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2024
Jun. 30, 2023
Jun. 30, 2024
Jun. 30, 2023
Segment Reporting Information [Line Items]        
Revenues $ 5,594,387 $ 5,048,610 $ 10,626,206 $ 9,477,436
Operating income (loss) $ 307,230 $ 279,273 $ 462,584 $ 405,133
Operating income (loss) margin (in percent) 5.50% 5.50% 4.40% 4.30%
Equity in earnings of integral unconsolidated affiliates $ 8,586 $ 9,370 $ 20,920 $ 18,990
Non-cash stock-based compensation     72,581 62,058
Depreciation 83,651 79,876 172,546 158,258
Integral Unconsolidated Affiliates | Related Party        
Segment Reporting Information [Line Items]        
Equity in earnings of integral unconsolidated affiliates $ 8,600 $ 9,400 $ 20,900 $ 19,000
Revenue from Contract with Customer, Segment Benchmark | Segment Concentration Risk        
Segment Reporting Information [Line Items]        
Concentration risk percentage (in percent) 100.00% 100.00% 100.00% 100.00%
Corporate and Non-Allocated Costs        
Segment Reporting Information [Line Items]        
Operating income (loss) $ (200,944) $ (182,438) $ (395,349) $ (368,956)
Operating income (loss) margin (in percent) (3.60%) (3.60%) (3.70%) (3.90%)
Amortization $ 79,200 $ 70,000 $ 156,700 $ 142,400
Non-cash stock-based compensation 37,300 34,600 72,600 62,100
Depreciation 5,815 8,703 11,482 13,642
Electric Power | Operating Segments        
Segment Reporting Information [Line Items]        
Revenues 2,452,488 2,415,254 4,779,448 4,751,291
Operating income (loss) $ 263,860 $ 244,017 $ 491,885 $ 459,166
Operating income (loss) margin (in percent) 10.80% 10.10% 10.30% 9.70%
Depreciation $ 40,208 $ 41,357 $ 80,655 $ 83,442
Electric Power | Operating Segments | Revenue from Contract with Customer, Segment Benchmark | Segment Concentration Risk        
Segment Reporting Information [Line Items]        
Concentration risk percentage (in percent) 43.80% 47.90% 44.90% 50.10%
Renewable Energy | Operating Segments        
Segment Reporting Information [Line Items]        
Revenues $ 2,034,392 $ 1,389,368 $ 3,618,556 $ 2,397,668
Operating income (loss) $ 162,721 $ 110,487 $ 237,567 $ 146,143
Operating income (loss) margin (in percent) 8.00% 8.00% 6.60% 6.10%
Depreciation $ 19,884 $ 10,681 $ 37,679 $ 21,539
Renewable Energy | Operating Segments | Revenue from Contract with Customer, Segment Benchmark | Segment Concentration Risk        
Segment Reporting Information [Line Items]        
Concentration risk percentage (in percent) 36.40% 27.50% 34.10% 25.30%
Underground and Infrastructure | Operating Segments        
Segment Reporting Information [Line Items]        
Revenues $ 1,107,507 $ 1,243,988 $ 2,228,202 $ 2,328,477
Operating income (loss) $ 81,593 $ 107,207 $ 128,481 $ 168,780
Operating income (loss) margin (in percent) 7.40% 8.60% 5.80% 7.20%
Depreciation $ 17,744 $ 19,135 $ 42,730 $ 39,635
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) 19.80% 24.60% 21.00% 24.60%