Segment Information (Tables)

6 Months Ended

Jun. 30, 2020

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,
	2020		2019		2020		2019
Net sales:
Renewable Energy and Conservation	$	98,259	$	76,004	$	194,756	$	144,841
Residential Products	139,472		130,433		242,891		234,142
Industrial and Infrastructure Products	48,263		56,547		98,064		111,735
Less: Intersegment sales	(180)		(329)		(458)		(646)
Net Industrial and Infrastructure Products	48,083		56,218		97,606		111,089
Total consolidated net sales	$	285,814	$	262,655	$	535,253	$	490,072
Income from operations:
Renewable Energy and Conservation	$	9,188	$	9,649	$	14,887	$	11,281
Residential Products	27,964		20,778		41,689		32,868
Industrial and Infrastructure Products	6,644		4,069		10,633		8,198
Unallocated Corporate Expenses	(9,205)		(7,890)		(17,428)		(15,175)
Total consolidated income from operations	$	34,591	$	26,606	$	49,781	$	37,172

Disaggregation of Revenue

The following tables illustrate 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, 2020
	Renewable Energy and Conservation		Residential Products		Industrial and Infrastructure Products		Total
Net sales:
Point in Time	$	12,416	$	138,288	$	37,179	$	187,883
Over Time	85,843		1,184		10,904		97,931
Total net sales	$	98,259	$	139,472	$	48,083	$	285,814

	Three Months Ended June 30, 2019
	Renewable Energy and Conservation		Residential Products		Industrial and Infrastructure Products		Total
Net sales:
Point in Time	$	8,469	$	129,566	$	46,315	$	184,350
Over Time	67,535		867		9,903		78,305
Total net sales	$	76,004	$	130,433	$	56,218	$	262,655

	Six Months Ended June 30, 2020
	Renewable Energy and Conservation		Residential Products		Industrial and Infrastructure Products		Total
Net sales:
Point in Time	$	27,004	$	240,619	$	76,674	$	344,297
Over Time	167,752		2,272		20,932		190,956
Total net sales	$	194,756	$	242,891	$	97,606	$	535,253

	Six Months Ended June 30, 2019
	Renewable Energy and Conservation		Residential Products		Industrial and Infrastructure Products		Total
Net sales:
Point in Time	$	15,759	$	232,458	$	91,602	$	339,819
Over Time	129,082		1,684		19,487		150,253
Total net sales	$	144,841	$	234,142	$	111,089	$	490,072