GOODWILL AND OTHER INTANGIBLE ASSETS - Summary of Changes in Goodwill (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Goodwill [Roll Forward]
Goodwill net, beginning balance	$ 5,316,443	$ 4,045,905
Goodwill acquired	1,977,896	1,313,114
Purchase price allocation adjustments	6,297	(10,996)
Goodwill written off due to sale of business		(6,147)
Foreign currency translation adjustments	16,592	(25,433)
Goodwill net, ending balance	7,317,228	5,316,443
Goodwill, impaired, accumulated impairment loss	50,700	49,900	$ 96,100
Accumulated impairment written off due to sale of business		45,100
Electric Segment
Goodwill [Roll Forward]
Goodwill net, beginning balance	4,473,087	3,371,687
Goodwill acquired	645,725	1,126,121
Purchase price allocation adjustments	5,933	(10,996)
Goodwill written off due to sale of business		0
Foreign currency translation adjustments	8,951	(13,725)
Goodwill net, ending balance	5,133,696	4,473,087
Underground and Infrastructure Segment
Goodwill [Roll Forward]
Goodwill net, beginning balance	843,356	674,218
Goodwill acquired	1,332,171	186,993
Purchase price allocation adjustments	364	0
Goodwill written off due to sale of business		(6,147)
Foreign currency translation adjustments	7,641	(11,708)
Goodwill net, ending balance	$ 2,183,532	$ 843,356

Goodwill, Accumulated Impairment, Written off Related to Sale of Business Unit

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Amount, after accumulated impairment loss, of asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized.

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