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Segment Information (Tables)

9 Months Ended

Sep. 30, 2018

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 nine months ended September 30, (in thousands):

	Three Months Ended   September 30,								Nine Months Ended   September 30,
	2018				2017				2018				2017
Net sales:
Residential Products	$	125,839			$	129,501			$	360,915			$	361,304
Industrial and Infrastructure Products	56,033				57,162				172,218				165,806
Less: Intersegment sales	(272		)		(224		)		(861		)		(994		)
Net Industrial and Infrastructure Products	55,761				56,938				171,357				164,812
Renewable Energy and Conservation	98,486				88,135				229,187				202,690
Total consolidated net sales	$	280,086			$	274,574			$	761,459			$	728,806
Income from operations:
Residential Products	$	20,138			$	23,764			$	57,572			$	61,984
Industrial and Infrastructure Products	2,892				2,554				12,098				5,914
Renewable Energy and Conservation	15,072				11,549				28,690				18,381
Unallocated Corporate Expenses	(8,698		)		(2,174		)		(22,839		)		(15,977		)
Total income from operations	$	29,404			$	35,693			$	75,521			$	70,302

Disaggregation of Revenue

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

	Three Months Ended September 30, 2018
	Residential Products				Industrial and Infrastructure Products				Renewable Energy and Conservation				Total
Net sales:
Point in Time	$	125,118			$	47,686			$	10,784			$	183,588
Over Time	721				8,075				87,702				96,498
Total	$	125,839			$	55,761			$	98,486			$	280,086

	Three Months Ended September 30, 2017
	Residential Products				Industrial and Infrastructure Products				Renewable Energy and Conservation				Total
Net sales:
Point in Time	$	129,501			$	56,938			$	7,659			$	194,098
Over Time	—				—				80,476				80,476
Total	$	129,501			$	56,938			$	88,135			$	274,574

X

- Definition

Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130545-203045

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- Definition

Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 22
-URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 25
-URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8813-108599

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
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-URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
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Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 30
-URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8906-108599

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