The OEM Segment, which accounted for 88 percent, 91 percent, and 92 percent of consolidated net sales for each of the years ended December 31, 2019, 2018, and 2017, respectively, manufactures and distributes a broad array of engineered components for the leading OEMs in the recreation and industrial product markets, consisting of RVs and adjacent industries, including buses; trailers used to haul boats, livestock, equipment, and other cargo; trucks; boats; trains; manufactured homes; and modular housing. Approximately 61 percent, 64 percent, and 71 percent of the Company’s OEM Segment net sales in 2019, 2018, and 2017, respectively, were of components for travel trailer and fifth-wheel RVs.

The Aftermarket Segment, which accounted for 12 percent, 9 percent, and 8 percent of consolidated net sales for each of the years ended December 31, 2019, 2018, and 2017, respectively, supplies engineered components to the related aftermarket channels of the RV and adjacent industries, primarily to retail dealers, wholesale distributors, and service centers. The Aftermarket Segment also includes the sale of replacement glass and awnings to fulfill insurance claims, biminis, covers, buoys, and fenders to the marine industry, and towing products and truck accessories.

Decisions concerning the allocation of the Company’s resources are made by the Company’s Chief Operating Decision Maker (“CODM”), with oversight by the Board of Directors. The CODM evaluates the performance of each segment based upon segment operating profit or loss, generally defined as income or loss before interest and income taxes. Decisions concerning the allocation of resources are also based on each segment’s utilization of assets. Management of debt is a corporate function. The accounting policies of the OEM and Aftermarket Segments are the same as those described in Note 2 of the Notes to Consolidated Financial Statements.

The following tables presents the Company’s revenues disaggregated by segment and geography based on the billing address of the Company’s customers for the years ended December 31:


			2019
(In thousands)	U.S. (a)		Int’l (b)		Total
OEM Segment:
RV OEMs:
Travel trailers and fifth-wheels	$	1,264,404	$	12,314	$	1,276,718
Motorhomes	110,405		45,218		155,623
Adjacent Industries OEMs	587,521		72,039		659,560
Total OEM Segment net sales	1,962,330		129,571		2,091,901
Aftermarket Segment:
Total Aftermarket Segment net sales	263,382		16,199		279,581
Total net sales	$	2,225,712	$	145,770	$	2,371,482


			2018
(In thousands)	U.S. (a)		Int’l (b)		Total
OEM Segment:
RV OEMs:
Travel trailers and fifth-wheels	$	1,431,574	$	9,156	$	1,440,730
Motorhomes	143,488		43,809		187,297
Adjacent Industries OEMs	574,100		40,489		614,589
Total OEM Segment net sales	2,149,162		93,454		2,242,616
Aftermarket Segment:
Total Aftermarket Segment net sales	222,588		10,603		233,191
Total net sales	$	2,371,750	$	104,057	$	2,475,807


			2017
(In thousands)	U.S. (a)		Int’l (b)		Total
OEM Segment:
RV OEMs:
Travel trailers and fifth-wheels	$	1,403,079	$	2,904	$	1,405,983
Motorhomes	138,895		20,522		159,417
Adjacent Industries OEMs	398,919		12,304		411,223
Total OEM Segment net sales	1,940,893		35,730		1,976,623
Aftermarket Segment:
Total Aftermarket Segment net sales	160,637		10,510		171,147
Total net sales	$	2,101,530	$	46,240	$	2,147,770

Corporate expenses are allocated between the segments based upon net sales. Accretion related to contingent consideration and other non-segment items are included in the segment to which they relate. Information relating to segments follows for the years ended December 31:


	Segments										Corporate
(In thousands)	OEM		Aftermarket		Subtotal		and Other		Total

2019
Net sales to external customers ^(a)	$	2,091,901	$	279,581	$	2,371,482	$	—	$	2,371,482
Operating profit ^(b)	165,290		34,920		200,210		—		200,210
Total assets ^(c)	1,167,899		595,688		1,763,587		99,008		1,862,595
Expenditures for long-lived assets ^(d)	166,331		302,857		469,188		—		469,188
Depreciation and amortization	70,136		5,222		75,358		—		75,358


	Segments										Corporate
(In thousands)	OEM		Aftermarket		Subtotal		and Other		Total


2018
Net sales to external customers ^(a)	$	2,242,616	$	233,191	$	2,475,807	$	—	$	2,475,807
Operating profit ^(b)	167,459		31,329		198,788		—		198,788
Total assets ^(c)	1,034,254		129,776		1,164,030		79,863		1,243,893
Expenditures for long-lived assets ^(d)	247,895		20,544		268,439		—		268,439
Depreciation and amortization	63,447		4,079		67,526		—		67,526

2017
Net sales to external customers ^(a)	$	1,976,623	$	171,147	$	2,147,770	$	—	$	2,147,770
Operating profit ^(b)	190,276		24,005		214,281		—		214,281
Total assets ^(c)	785,926		76,309		862,235		83,623		945,858
Expenditures for long-lived assets ^(d)	148,570		4,875		153,445		—		153,445
Depreciation and amortization	50,751		3,662		54,413		314		54,727

(a) Thor Industries, Inc. (“Thor”), a customer of both segments, accounted for 27 percent, 31 percent, and 38 percent of the Company’s consolidated net sales for the years ended December 31, 2019, 2018, and 2017, respectively. Berkshire Hathaway Inc. (through its subsidiaries Forest River, Inc. and Clayton Homes, Inc.), a customer of both segments, accounted for 21 percent, 23 percent, and 25 percent of the Company’s consolidated net sales for the years ended December 31, 2019, 2018, and 2017, respectively. No other customer accounted for more than 10 percent of consolidated net sales in the years ended December 31, 2019, 2018, and 2017.

(b) Certain general and administrative expenses are allocated between the segments based upon net sales or operating profit, depending upon the nature of the expense.

(c) Segment assets include accounts receivable, inventories, fixed assets, goodwill and other intangible assets. Corporate and other assets include cash and cash equivalents, prepaid expenses and other current assets, deferred taxes, and other assets.

(d) Expenditures for long-lived assets include capital expenditures, as well as fixed assets, goodwill and other intangible assets purchased as part of the acquisition of businesses. The Company purchased $395.6 million, $150.9 million, and $65.0 million of long-lived assets, as part of the acquisitions of businesses in the years ended December 31, 2019, 2018, and 2017, respectively.


(In thousands)	2019		2018		2017
OEM Segment:
Chassis, chassis parts, and slide-out mechanisms	$	796,434	$	908,065	$	914,397
Windows and doors	585,464		615,644		424,625
Furniture and mattresses	342,691		380,514		342,680
Axles and suspension solutions	129,471		122,897		123,513
Other	237,841		215,496		171,408
Total OEM Segment net sales	2,091,901		2,242,616		1,976,623
Total Aftermarket Segment net sales	279,581		233,191		171,147
Total net sales	$	2,371,482	$	2,475,807	$	2,147,770