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Revenue Recognition and Related Balance Sheet Accounts - Additional Information (Details) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2023 USD ($) Customer	Mar. 31, 2022 USD ($)	Dec. 31, 2022 USD ($)
Disaggregation of Revenue [Line Items]
Percent of total revenues recognized associated with revenue recognition method	50.10%	51.20%
Revenues recognized related to change orders and claims	$ 631,600		$ 549,300
Change in contract estimates, favorable (unfavorable) impact on revenue, percent	0.10%	0.80%
Change in contract estimates, (favorable) unfavorable impact on operating results, percent		(5.30%)
Change in contract estimates, (favorable) unfavorable impact on operating results, amount		$ (29,300)
Revenue recognized related to amounts in contract liabilities outstanding at the beginning of period	$ 641,100
Write-offs charged against the allowance net of recoveries of amounts previously written off	(1,472)	34
Increase in provision for credit losses	2,358	$ 133
Current retainage balances	392,500		397,600
Non-current retainage balances	187,700		136,200
Unbilled receivables	923,100		823,900
Unearned revenues, current portion	$ 75,200		$ 59,600
Projects In Progress
Disaggregation of Revenue [Line Items]
Change in contract estimates, (favorable) unfavorable impact on operating results, percent	5.00%
Customer Concentration Risk
Disaggregation of Revenue [Line Items]
Number of customers representing ten percent or more of revenues | Customer	0
Customer Concentration Risk | Revenue Benchmark | Electric Power Infrastructure Solutions and Renewable Energy Infrastructure Solutions
Disaggregation of Revenue [Line Items]
Concentration risk percentage		11.00%
Customer Concentration Risk | One Customer | Accounts Receivable | Renewable Energy Infrastructure Solutions
Disaggregation of Revenue [Line Items]
Concentration risk percentage	15.00%		13.00%

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