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Related Party Transactions (Details) shares in Thousands, $ in Thousands	1 Months Ended	12 Months Ended
	Jan. 31, 2024 USD ($)	Dec. 31, 2025 USD ($) employee	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($) shares
Related Party Transaction [Line Items]
Revenue		$ 14,299,171	$ 12,303,464	$ 11,995,934
Payments of acquisition-related contingent consideration		42,140	24,593	21,638
Payments for life insurance policies		0	400	$ 1,400
Line of credit facility, letters of credit issued		90,500	81,700
Other long-term assets		503,483	447,235
Noncontrolling interest, percentage of voting interests acquired				15.00%
Payments to noncontrolling interests		24,529	32,943	$ 14,478
2023 Acquisitions
Related Party Transaction [Line Items]
Payments to noncontrolling interests				$ 10,000
Business acquisition, number of shares issued (in shares) | shares				120
2023 Acquisitions | Pipeline Infrastructure
Related Party Transaction [Line Items]
Business acquisition, equity interest issued or issuable, value assigned				$ 11,600
Management
Related Party Transaction [Line Items]
Financing receivable				7,100
Other long-term assets		$ 400	$ 3,200
Interest rate		5.00%	5.00%
Chairman, Board of Directors | Maximum
Related Party Transaction [Line Items]
Life insurance, face amount		$ 200,000
Executive Officers
Related Party Transaction [Line Items]
Life insurance assets, carrying amount		27,500	$ 27,500
Executive Officers | Former Owner
Related Party Transaction [Line Items]
Payments, net of rebates, related party			300	600
Receivables, related party			200
Chief Executive Officer | Maximum
Related Party Transaction [Line Items]
Life insurance, face amount		75,000
Equipment | Related Party
Related Party Transaction [Line Items]
Revenue		300	500	0
Subcontracting Arrangements
Related Party Transaction [Line Items]
Payments to acquire ownership interest in minority interest	$ 700
Subcontracting Arrangements | Related Party
Related Party Transaction [Line Items]
Receivables, related party			400
Subcontracting Arrangements | Management
Related Party Transaction [Line Items]
Payables, related party		$ 0	0
Number of management members, subcontracting arrangement | employee		2
Payments, related party		$ 3,500	5,800	8,700
Subcontracting Arrangements | Management | Line of Credit
Related Party Transaction [Line Items]
Line of credit facility, letters of credit issued		15,000
Leases | Chairman, Board of Directors
Related Party Transaction [Line Items]
Payments, related party		5,600	6,300	2,700
Construction Services
Related Party Transaction [Line Items]
Payments of acquisition-related contingent consideration				$ 16,100
Construction Services | Immediate Family Member of Management
Related Party Transaction [Line Items]
Percentage of earn out payment paid				25.00%
Construction Services | Related Party
Related Party Transaction [Line Items]
Receivables, related party		37,500	12,800
Construction Services | Executive Officers
Related Party Transaction [Line Items]
Revenue		77,600	24,900	$ 10,700
Payments, related party		1,000	900	1,200
Equipment, Supplies And Services | Related Party
Related Party Transaction [Line Items]
Payables, related party		4,200	2,800
Revenue		11,300	18,400	14,000
Payments, related party		36,000	33,700	42,500
Receivables, related party		3,900	3,900
Subcontracting Arrangement Two | Related Party
Related Party Transaction [Line Items]
Other operating income		200	800	800
CCI | Equipment | Immediate Family Member of Management
Related Party Transaction [Line Items]
Payments, net of rebates, related party		6,400	11,700	$ 7,300
CCI | Equipment | Related Party
Related Party Transaction [Line Items]
Payables, related party		$ 800	$ 700

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