Business, Basis of Presentation and Significant Accounting Policies - Revenue Recognition (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Revenue [Line Items]
Revenue	$ 12,303,464	$ 11,995,934	$ 9,778,038
Revenue recognition, changes in contract estimates, cost-to-cost method, financial effect, percentage	0.10%	0.20%	0.10%
Revenue recognition, remaining performance obligations, contract price allocated	$ 10,000,000
Contract with customer, unapproved change orders and/or claims, amount (in dollars)	$ 139,000	$ 194,000
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-01-01
Revenue [Line Items]
Revenue recognition, remaining performance obligations, completion period (in years)	1 year
Revenue recognition, remaining performance obligations, contract price allocated	$ 6,400,000
Maximum
Revenue [Line Items]
Revenue recognition, changes in contract estimates, cost-to-cost method, financial effect, percentage	5.00%	5.00%	5.00%
Change order or claim approval process, term within which expected to be completed (in years)	1 year
Revenue Benchmark | Concentration Risk from Type of Arrangement | Master Service and Other Service Agreements
Revenue [Line Items]
Concentration risk, percentage of total	41.00%	40.00%	51.00%
Revenue Benchmark | Concentration Risk from Type of Arrangement | Master Service and Other Service Agreements | Point in Time
Revenue [Line Items]
Concentration risk, percentage of total	2.00%	2.00%	4.00%
Revenue Benchmark | Performance Obligation Concentration Risk | Performance Obligation, Timing Of Recognition, Remainder Of Year
Revenue [Line Items]
Concentration risk, percentage of total	63.40%