Goodwill and Related Intangible Assets (Tables)

6 Months Ended

Jun. 30, 2021

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule Of Changes In Carrying Amount Of Goodwill

The changes in the carrying amount of goodwill for the six months ended June 30, 2021 are as follows (in thousands):

	Renewables		Residential		Agtech		Infrastructure		Total
Balance at December 31, 2020	$	192,527	$	205,452	$	84,622	$	31,678	$	514,279
Adjustments to prior year acquisitions	(4,593)		—		—		—		(4,593)
Foreign currency translation	(990)		—		161		—		(829)
Balance at June 30, 2021	$	186,944	$	205,452	$	84,783	$	31,678	$	508,857

Schedule Of Acquired Intangible Assets

Acquired intangible assets consist of the following (in thousands):

	June 30, 2021				December 31, 2020
	Gross Carrying Amount		Accumulated Amortization		Gross Carrying Amount		Accumulated Amortization
Indefinite-lived intangible assets:
Trademarks	$	61,100	$	—	$	56,570	$	—
Finite-lived intangible assets:
Trademarks	5,550		3,747		5,818		3,385
Unpatented technology	38,386		19,194		38,752		17,765
Customer relationships	109,329		35,658		98,500		31,580
Non-compete agreements	2,691		1,859		4,885		1,747
Backlog	7,216		4,080		7,228		911
	163,172		64,538		155,183		55,388
Total acquired intangible assets	$	224,272	$	64,538	$	211,753	$	55,388

Schedule of Acquired Intangible Asset Amortization Expense

The following table summarizes the acquired intangible asset amortization expense for the three and six months ended June 30 (in thousands):

	Three Months Ended June 30,				Six Months Ended June 30,
	2021		2020		2021		2020
Amortization expense	$	4,736	$	2,018	$	9,479	$	4,002

Schedule Of Amortization Expense

Amortization expense related to acquired intangible assets for the remainder of fiscal 2021 and the next five years thereafter is estimated as follows (in thousands):

	2021		2022		2023		2024		2025		2026
Amortization expense	$	9,414	$	12,167	$	11,236	$	11,055	$	10,820	$	9,186