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Segment Information - Summarized Financial Information (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
Segment Reporting Information [Line Items]        
Revenues $ 5,620,822 $ 4,459,757 $ 15,098,258 $ 12,657,285
Operating income (loss) $ 400,329 $ 286,791 $ 805,462 $ 612,663
Operating income (loss) margin (in percent) 7.10% 6.40% 5.30% 4.80%
Equity in earnings of integral unconsolidated affiliates $ 11,707 $ 10,633 $ 30,697 $ 44,350
Non-cash stock-based compensation     94,658 77,730
Depreciation 81,488 73,507 239,746 218,420
Integral Unconsolidated Affiliates | Related Party        
Segment Reporting Information [Line Items]        
Equity in earnings of integral unconsolidated affiliates $ 11,700 $ 10,600 $ 30,700 $ 44,400
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) $ (171,000) $ (158,902) $ (539,956) $ (558,346)
Operating income (loss) margin (in percent) (3.00%) (3.60%) (3.60%) (4.40%)
Amortization $ 71,400 $ 67,100 $ 213,800 $ 290,800
Non-cash stock-based compensation 32,500 26,600 94,600 77,700
Depreciation 3,508 6,086 17,150 17,423
Electric Power | Operating Segments        
Segment Reporting Information [Line Items]        
Revenues 2,489,547 2,282,332 7,240,838 6,620,459
Operating income (loss) $ 296,176 $ 255,457 $ 755,342 $ 691,026
Operating income (loss) margin (in percent) 11.90% 11.20% 10.40% 10.40%
Depreciation $ 38,228 $ 35,896 $ 121,670 $ 109,456
Electric Power | Operating Segments | Revenue from Contract with Customer, Segment Benchmark | Segment Concentration Risk        
Segment Reporting Information [Line Items]        
Concentration risk percentage (in percent) 44.30% 51.20% 48.00% 52.30%
Renewable Energy | Operating Segments        
Segment Reporting Information [Line Items]        
Revenues $ 1,746,636 $ 978,779 $ 4,144,304 $ 2,778,647
Operating income (loss) $ 151,389 $ 88,885 $ 297,532 $ 240,514
Operating income (loss) margin (in percent) 8.70% 9.10% 7.20% 8.70%
Depreciation $ 15,812 $ 11,214 $ 37,351 $ 29,625
Renewable Energy | Operating Segments | Revenue from Contract with Customer, Segment Benchmark | Segment Concentration Risk        
Segment Reporting Information [Line Items]        
Concentration risk percentage (in percent) 31.10% 21.90% 27.40% 22.00%
Underground and Infrastructure | Operating Segments        
Segment Reporting Information [Line Items]        
Revenues $ 1,384,639 $ 1,198,646 $ 3,713,116 $ 3,258,179
Operating income (loss) $ 123,764 $ 101,351 $ 292,544 $ 239,469
Operating income (loss) margin (in percent) 8.90% 8.50% 7.90% 7.30%
Depreciation $ 23,940 $ 20,311 $ 63,575 $ 61,916
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) 24.60% 26.90% 24.60% 25.70%