Segment Information (Tables)

6 Months Ended

Jun. 30, 2017

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,
	2017			2016			2017			2016
Net sales:
Residential Products	$	127,252		$	119,965		$	231,803		$	220,112
Renewable Energy and Conservation	62,763			64,766			114,555			122,640
Industrial and Infrastructure Products	57,926			81,380			108,644			161,397
Less: Intersegment sales	(314		)	(373		)	(770		)	(740		)
Net Industrial and Infrastructure Products	57,612			81,007			107,874			160,657
Total consolidated net sales	$	247,627		$	265,738		$	454,232		$	503,409
Income from operations:
Residential Products	$	22,579		$	20,725		$	38,220		$	32,956
Renewable Energy and Conservation	3,492			10,296			6,832			18,603
Industrial and Infrastructure Products	3,397			6,190			3,360			9,516
Unallocated Corporate Expenses	(4,538		)	(8,635		)	(13,803		)	(14,738		)
Total income from operations	$	24,930		$	28,576		$	34,609		$	46,337