Segment Information

9 Months Ended

Sep. 30, 2019

We operate our business using two reportable segments: Wood Products and Building Materials Distribution. Corporate and Other results are presented as reconciling items to arrive at total net sales and operating income. There are no differences in our basis of measurement of segment profit or loss from those disclosed in Note 17, Segment Information, of the Notes to Consolidated Financial Statements in "Item 8. Financial Statements and Supplementary Data" in our 2018 Form 10-K.

Wood Products and Building Materials Distribution segment sales to external customers, including related parties, by product line are as follows:



	Three Months Ended September 30				Nine Months Ended September 30
	2019		2018		2019		2018
	(millions)
Wood Products (a)
LVL	$	7.9	$	9.2	$	31.8	$	32.5
I-joists	4.9		8.5		18.2		26.3
Other engineered wood products	6.2		7.3		20.5		19.6
Plywood and veneer	64.6		82.8		195.5		266.5
Lumber	13.5		20.3		40.7		70.2
Byproducts	18.3		23.8		56.4		68.7
Particleboard	—		10.6		—		33.3
Other	8.5		16.7		27.8		46.9
	123.9		179.2		391.0		564.1

Building Materials Distribution
Commodity	467.9		554.8		1,316.7		1,648.0
General line	454.5		385.8		1,207.7		1,093.9
Engineered wood products	223.3		218.6		626.4		623.4
	1,145.6		1,159.3		3,150.7		3,365.4
	$	1,269.5	$	1,338.5	$	3,541.7	$	3,929.5

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(a)

Amounts represent sales to external customers. Sales are calculated after intersegment sales eliminations to our Building Materials Distribution segment, as well as the cost of EWP rebates and sales allowances provided at various stages of the supply chain (including distributors, retail lumberyards, and professional builders). For the nine months ended September 30, 2019, approximately 77% of Wood Products' EWP sales volumes were to our Building Materials Distribution segment.

An analysis of our operations by segment is as follows:



	Three Months Ended September 30						Nine Months Ended September 30
	2019			2018			2019			2018
	(thousands)
Net sales by segment
Wood Products	$	325,102		$	402,672		$	978,881		$	1,226,146
Building Materials Distribution	1,145,621			1,159,304			3,150,750			3,365,468
Intersegment eliminations and other (a)	(201,199		)	(223,464		)	(587,940		)	(662,129		)
Total net sales	$	1,269,524		$	1,338,512		$	3,541,691		$	3,929,485

Segment operating income
Wood Products (b)	$	15,597		$	13,929		$	46,135		$	76,532
Building Materials Distribution	38,665			23,504			89,982			103,605
Total segment operating income	54,262			37,433			136,117			180,137
Unallocated corporate and other	(9,364		)	(6,978		)	(24,433		)	(23,822		)
Income from operations	$	44,898		$	30,455		$	111,684		$	156,315

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(a)	Primarily represents intersegment sales from our Wood Products segment to our Building Materials Distribution segment.

(b)

Wood Products segment operating income for the three and nine months ended September 30, 2018, includes pre-tax impairment and sales related losses of $11.0 million upon classifying certain Wood Products facilities in Northeast Oregon as held for sale. For additional information, see Note 6, Sale of Manufacturing Facilities.