Acquisitions, Goodwill and Other Intangible Assets, Net - Acquisitions (Details) $ in Thousands	1 Months Ended		3 Months Ended				12 Months Ended
	May 31, 2022 USD ($) shares	Dec. 31, 2021 USD ($) yr shares	Dec. 31, 2023 USD ($) yr	Mar. 31, 2023 shares	Jun. 30, 2022 USD ($)	Dec. 31, 2021 USD ($) yr	Dec. 31, 2023 USD ($) yr acquisition shares	Dec. 31, 2022 USD ($) acquisition shares	Dec. 31, 2021 USD ($) yr acquisition
Business Combinations [Line Items]
Cash, net of cash acquired							$ 69,388	$ 635,763	$ 1,244,603
Increase (decrease) in contingent consdieration							0	1,682	0
Goodwill		$ 1,520,600	$ 2,126,366			$ 1,520,600	2,126,366	2,045,041	1,520,600
Power Delivery
Business Combinations [Line Items]
Goodwill		303,400	$ 270,800			303,400	$ 270,800	$ 270,100	303,400
6.625% Senior Notes | Senior Notes
Business Combinations [Line Items]
Debt instrument, interest rate (percentage)			6.625%				6.625%
Equipment Company Acquisition One
Business Combinations [Line Items]
Voting interest							68.00%
Voting interest sold			40.00%
Equipment Company Acquisition Two
Business Combinations [Line Items]
Voting interest							42.00%
Number of companies acquired | acquisition							2
Voting interest sold			20.00%
2023 Acquisitions
Business Combinations [Line Items]
Cash, net of cash acquired							$ 69,000
Estimated fair value of contingent consideration			$ 1,000				1,000
Business combinations, contingent consideration liabilities, range of potential undiscounted earn-out liabilities, high			2,000				2,000
Business combinations, goodwill, expected tax deductible amount			43,000				$ 43,000
Business combinations, number of acquisitions | acquisition							4
Business acquisition, number of shares issued (in shares) | shares				120,000
2022 Acquisitions
Business Combinations [Line Items]
Cash, net of cash acquired							$ 613,200
Estimated fair value of contingent consideration			2,800				2,800
Business combinations, contingent consideration liabilities, range of potential undiscounted earn-out liabilities, high			1,000				1,000
Business combinations, goodwill, expected tax deductible amount			46,000				46,000
Business combinations, number of acquisitions | acquisition								5
Amortizing intangible assets			368,100				368,100
Goodwill			$ 584,200				584,200
Total consideration							800,000
Shares transferred							$ 173,700
2022 Acquisitions | Expected Term
Business Combinations [Line Items]
Business combinations, contingent consideration, earn-out period (in years) | yr			5				5
IEA
Business Combinations [Line Items]
Cash, net of cash acquired							$ 564,500
Estimated fair value of contingent consideration			$ 0				0
Amortizing intangible assets			362,200				$ 362,200
Business combinations, acquired finite-lived intangible assets, weighted average lives (in years)							13 years
Number of shares issuable upon exercise of warrants (in shares) | shares							2,700,000
Business acquisition, equity interest issued or issuable, value assigned			174,000				$ 174,000
Cash acquired							44,000
Net cash payments to warrant holders								$ 1,700
Goodwill			568,800				568,800
Total consideration							748,500
Business acquisition, number of shares issued (in shares) | shares								2,758,000
Shares transferred							173,700
IEA | Infrastructure Energy Alternatives, Inc. Warrants
Business Combinations [Line Items]
Increase (decrease) in contingent consdieration							2,600	$ (2,700)
IEA | Common Stock
Business Combinations [Line Items]
Issuance of shares for acquisition (in shares) | shares								107,187
Fair value of shares issued								$ 8,100
IEA | 6.625% Senior Notes | Senior Notes
Business Combinations [Line Items]
Long-term debt obligations acquired			300,000				300,000
IEA | Trade Names and Customer Relationships
Business Combinations [Line Items]
Amortizing intangible assets			321,000				$ 321,000
IEA | Trade Names
Business Combinations [Line Items]
Business combinations, acquired finite-lived intangible assets, weighted average lives (in years)							14 years
IEA | Customer Relationships
Business Combinations [Line Items]
Business combinations, acquired finite-lived intangible assets, weighted average lives (in years)							14 years
IEA | Backlog
Business Combinations [Line Items]
Amortizing intangible assets			42,000				$ 42,000
Business combinations, acquired finite-lived intangible assets, weighted average lives (in years)							1 year
All other
Business Combinations [Line Items]
Cash, net of cash acquired							$ 48,700
Estimated fair value of contingent consideration			2,800				2,800
Amortizing intangible assets			5,900				$ 5,900
Business combinations, acquired finite-lived intangible assets, weighted average lives (in years)							9 years
Goodwill			15,400				$ 15,400
Total consideration							51,500
Shares transferred							0
2021 Acquisitions
Business Combinations [Line Items]
Cash, net of cash acquired								1,279,100
Estimated fair value of contingent consideration		$ 105,000				105,000		104,900	$ 105,000
Business combinations, contingent consideration liabilities, range of potential undiscounted earn-out liabilities, high			79,000				79,000
Business combinations, goodwill, expected tax deductible amount			178,000				178,000
Business combinations, number of acquisitions | acquisition									14
Amortizing intangible assets								608,600
Goodwill								258,000
Bargain purchase gain								3,600
Total consideration								1,565,700
Shares transferred								181,700
Business combinations, contingent consideration liabilities, range of potential undiscounted earn-out liabilities, low			21,000				$ 21,000
2021 Acquisitions | Power Delivery
Business Combinations [Line Items]
Bargain purchase gain						$ 3,600		200
2021 Acquisitions | Expected Term | Minimum
Business Combinations [Line Items]
Business combinations, contingent consideration, earn-out period (in years) | yr		1				1			1
2021 Acquisitions | Expected Term | Maximum
Business Combinations [Line Items]
Business combinations, contingent consideration, earn-out period (in years) | yr		5				5			5
HMG
Business Combinations [Line Items]
Cash, net of cash acquired								402,400
Estimated fair value of contingent consideration								0
Amortizing intangible assets								164,400
Business combinations, acquired finite-lived intangible assets, weighted average lives (in years)							11 years
Goodwill								71,400
Bargain purchase gain								0
Total consideration								$ 584,100
Business acquisition, number of shares issued (in shares) | shares		1,975,000					2,000,000	133,000
Shares transferred							$ 182,000	$ 181,700
HMG | Contingent Consideration, Value Of Additional Payments
Business Combinations [Line Items]
Estimated fair value of contingent consideration								$ 65,000
Increase (decrease) in contingent consdieration					$ (15,000)
Total consideration	$ 29,400
Payments to acquire businesses, gross	$ 18,000
Business acquisition, number of shares issued (in shares) | shares	133,157						160,000	170,000
Business combinations, contingent consideration, realized gain (loss)							$ 1,000
Business combination, contingent consideration, current			34,000				34,000	$ 37,000
Contingent consideration, unrealized gain (loss)							1,300
Reduction in unrealized gain (loss) from changes in collections attributed to acquired balances							2,400
HMG | Contingent Consideration, Collections From Acquired Receivables
Business Combinations [Line Items]
Estimated fair value of contingent consideration			19,400				$ 19,400
Business acquisition, number of shares issued (in shares) | shares							87,900
Contingent consideration, unrealized gain (loss)							$ 6,700
HMG | Power Delivery | Contingent Consideration, Value Of Additional Payments
Business Combinations [Line Items]
Contingent consideration, unrealized gain (loss)								1,200
HMG | Customer Relationships
Business Combinations [Line Items]
Amortizing intangible assets			132,000				$ 132,000
Business combinations, acquired finite-lived intangible assets, weighted average lives (in years)							12 years
All other
Business Combinations [Line Items]
Cash, net of cash acquired							$ 78,000	876,700
Estimated fair value of contingent consideration								104,900
Amortizing intangible assets								444,200
Business combinations, acquired finite-lived intangible assets, weighted average lives (in years)							17 years
Goodwill								186,600
Bargain purchase gain								3,600
Total consideration								981,600
Shares transferred								$ 0
All other | Expected Term | Power Delivery | Minimum
Business Combinations [Line Items]
Business combinations, contingent consideration, earn-out period (in years) | yr		1				1			1
All other | Trade Names
Business Combinations [Line Items]
Business combinations, acquired finite-lived intangible assets, weighted average lives (in years)							17 years
All other | Customer Relationships
Business Combinations [Line Items]
Business combinations, acquired finite-lived intangible assets, weighted average lives (in years)							17 years
All other, INTREN acquisition | Power Delivery
Business Combinations [Line Items]
Goodwill		$ 49,000				$ 49,000			$ 49,000
Total consideration							$ 455,000
All other, INTREN acquisition | Customer Relationships And Trade Names | Power Delivery
Business Combinations [Line Items]
Amortizing intangible assets			$ 281,000				$ 281,000
Business combinations, acquired finite-lived intangible assets, weighted average lives (in years)							20 years