Goodwill and Related Intangible Assets (Schedule of Changes in Carrying Amount of Goodwill) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Goodwill [Roll Forward]
Balance at	$ 512,363	$ 510,942
Acquired goodwill	4,133	3,604
Adjustment to prior year acquisition	387	904
Foreign currency translation	(832)	(3,087)
Sale of business	(2,668)
Balance at	513,383	512,363
Renewables
Goodwill [Roll Forward]
Balance at	188,030	188,680
Acquired goodwill	0	0
Adjustment to prior year acquisition	0	904
Foreign currency translation	(1,132)	(1,554)
Sale of business	(2,668)
Balance at	184,230	188,030
Residential
Goodwill [Roll Forward]
Balance at	209,056	205,452
Acquired goodwill	4,133	3,604
Adjustment to prior year acquisition	387	0
Foreign currency translation	0	0
Sale of business	0
Balance at	213,576	209,056
Agtech
Goodwill [Roll Forward]
Balance at	83,599	85,132
Acquired goodwill	0	0
Adjustment to prior year acquisition	0	0
Foreign currency translation	300	(1,533)
Sale of business	0
Balance at	83,899	83,599
Infrastructure
Goodwill [Roll Forward]
Balance at	31,678	31,678
Acquired goodwill	0	0
Adjustment to prior year acquisition	0	0
Foreign currency translation	0	0
Sale of business	0
Balance at	$ 31,678	$ 31,678