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Goodwill and Other Intangible Assets - Summary of Changes in Goodwill (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Goodwill [Roll Forward]
Goodwill gross, beginning balance	$ 2,218,642	$ 2,119,101
Accumulated impairment, beginning balance	(97,628)	(96,426)
Goodwill net, beginning balance	2,121,014	2,022,675
Goodwill acquired	1,411,467	86,197
Purchase price allocation adjustments	(1,791)	1,749
Foreign currency translation adjustments	(1,804)	10,393
Operating company reorganizations	0
Goodwill gross, ending balance	3,625,746	2,218,642
Accumulated impairment, ending balance	(96,860)	(97,628)
Goodwill net, ending balance	3,528,886	2,121,014
Electric Power Infrastructure Solutions Segment
Goodwill [Roll Forward]
Goodwill gross, beginning balance	1,449,774	1,365,163
Accumulated impairment, beginning balance	0	0
Goodwill net, beginning balance	1,449,774	1,365,163
Goodwill acquired	100,121	79,889
Purchase price allocation adjustments	(1,791)	1,730
Foreign currency translation adjustments	1,226	2,992
Operating company reorganizations	(161,912)
Goodwill gross, ending balance	1,387,418	1,449,774
Accumulated impairment, ending balance	0	0
Goodwill net, ending balance	1,387,418	1,449,774
Renewable Energy Infrastructure Solutions
Goodwill [Roll Forward]
Goodwill gross, beginning balance	0	0
Accumulated impairment, beginning balance	0	0
Goodwill net, beginning balance	0	0
Goodwill acquired	1,299,280	0
Purchase price allocation adjustments	0	0
Foreign currency translation adjustments	0	0
Operating company reorganizations	161,912
Goodwill gross, ending balance	1,461,192	0
Accumulated impairment, ending balance	0	0
Goodwill net, ending balance	1,461,192	0
Underground Utility and Infrastructure Solutions Segment
Goodwill [Roll Forward]
Goodwill gross, beginning balance	768,868	753,938
Accumulated impairment, beginning balance	(97,628)	(96,426)
Goodwill net, beginning balance	671,240	657,512
Goodwill acquired	12,066	6,308
Purchase price allocation adjustments	0	19
Foreign currency translation adjustments	(3,030)	7,401
Operating company reorganizations	0
Goodwill gross, ending balance	777,136	768,868
Accumulated impairment, ending balance	(96,860)	(97,628)
Goodwill net, ending balance	$ 680,276	$ 671,240

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