Goodwill and Related Intangible Assets (Tables)

3 Months Ended

Mar. 31, 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 three months ended March 31, 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	9,951		—		—				9,951
Foreign currency translation	(989)		—		205		—		(784)
Balance at March 31, 2021	$	201,489	$	205,452	$	84,827	$	31,678	$	523,446

Schedule Of Acquired Intangible Assets

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

	March 31, 2021				December 31, 2020
	Gross Carrying Amount		Accumulated Amortization		Gross Carrying Amount		Accumulated Amortization
Indefinite-lived intangible assets:
Trademarks	$	56,670	$	—	$	56,570	$	—
Finite-lived intangible assets:
Trademarks	5,831		3,574		5,818		3,385
Unpatented technology	38,892		18,479		38,752		17,765
Customer relationships	98,135		33,298		98,500		31,580
Non-compete agreements	4,888		1,913		4,885		1,747
Backlog	7,235		2,510		7,228		911
	154,981		59,774		155,183		55,388
Total acquired intangible assets	$	211,651	$	59,774	$	211,753	$	55,388

Schedule of Acquired Intangible Asset Amortization Expense

The following table summarizes the acquired intangible asset amortization expense for the three months ended March 31 (in thousands):

	Three Months Ended    March 31,
	2021		2020
Amortization expense	$	4,743	$	1,984

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	$	14,140	$	12,120	$	11,195	$	11,014	$	10,780	$	8,700