Segment Information (Tables)

6 Months Ended

Jun. 30, 2021

Segment Reporting Information, Revenue for Reportable Segment [Abstract]

Reconciliation Of Sales To Earnings Before Income Taxes by Segment

The following table illustrates certain measurements used by management to assess performance of the segments described above 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
Net sales:
Renewables	$	107,751	$	55,950	$	193,263	$	103,213
Residential	164,209		139,472		304,426		242,891
Agtech	53,696		42,309		100,435		91,543
Infrastructure	22,733		17,453		37,857		32,938
Total net sales	$	348,389	$	255,184	$	635,981	$	470,585
Income from operations:
Renewables	$	9,510	$	8,422	$	8,989	$	12,781
Residential	27,155		27,964		50,089		41,689
Agtech	977		766		1,906		2,106
Infrastructure	4,186		2,801		6,223		4,377
Unallocated Corporate Expenses	(10,419)		(9,205)		(22,983)		(17,428)
Total income from operations	$	31,409	$	30,748	$	44,224	$	43,525

	June 30, 2021		December 31, 2020
Total assets:
Renewables	$	424,884	$	402,796
Residential	443,903		407,132
Agtech	204,264		216,275
Infrastructure	86,748		80,796
Unallocated corporate assets	26,334		28,057
Assets of discontinued operations	—		77,438
	$	1,186,133	$	1,212,494

Disaggregation of Revenue

The following tables illustrate segment revenue disaggregated by timing of transfer of control to the customer for the three and six months ended June 30 (in thousands):

	Three Months Ended June 30, 2021
	Renewables		Residential		Agtech		Infrastructure		Total
Net sales:
Point in Time	$	6,049	$	162,978	$	7,388	$	11,637	$	188,052
Over Time	101,702		1,231		46,308		11,096		160,337
Total net sales	$	107,751	$	164,209	$	53,696	$	22,733	$	348,389

	Three Months Ended June 30, 2020
	Renewables		Residential		Agtech		Infrastructure		Total
Net sales:
Point in Time	$	5,512	$	138,288	$	12,088	$	6,549	$	162,437
Over Time	50,438		1,184		30,221		10,904		92,747
Total net sales	$	55,950	$	139,472	$	42,309	$	17,453	$	255,184

	Six Months Ended June 30, 2021
	Renewables		Residential		Agtech		Infrastructure		Total
Net sales:
Point in Time	$	13,020	$	301,997	$	12,531	$	17,107	$	344,655
Over Time	180,243		2,429		87,904		20,750		291,326
Total net sales	$	193,263	$	304,426	$	100,435	$	37,857	$	635,981

	Six Months Ended June 30, 2020
	Renewables		Residential		Agtech		Infrastructure		Total
Net sales:
Point in Time	$	9,208	$	240,619	$	26,184	$	12,006	$	288,017
Over Time	94,005		2,272		65,359		20,932		182,568
Total net sales	$	103,213	$	242,891	$	91,543	$	32,938	$	470,585