Segment Information

Each of the Company’s reportable segments is composed of certain operating segments that are aggregated primarily by the nature of products offered as follows:

Piping Systems

Piping Systems is composed of the following operating segments: Domestic Piping Systems Group, Great Lakes Copper, Heatlink Group, Die-Mold, European Operations, Trading Group, and Jungwoo-Mueller (the Company’s South Korean joint venture). The Domestic Piping Systems Group manufactures copper tube, fittings, and line sets. These products are manufactured in the U.S., sold in the U.S., and exported to markets worldwide. Outside the U.S., Great Lakes Copper manufactures copper tube and line sets in Canada and sells the products primarily in the U.S. and Canada. Heatlink Group produces a complete line of products for PEX plumbing and radiant systems in Canada and sells these products in Canada and the U.S. Die-Mold manufactures PEX and other plumbing-related fittings and plastic injection tooling in Canada and sells these products in Canada and the U.S. European Operations manufacture copper tube in the U.K. which is sold primarily in Europe. The Trading Group manufactures pipe nipples and resells brass and plastic plumbing valves, malleable iron fittings, faucets, and plumbing specialty products in the U.S. and Mexico. Jungwoo-Mueller manufactures copper-based joining products that are sold worldwide. The Piping Systems segment’s products are sold primarily to plumbing, refrigeration, and air-conditioning wholesalers, hardware wholesalers and co-ops, building product retailers, and air-conditioning original equipment manufacturers (OEMs).

Industrial Metals

Industrial Metals is composed of the following operating segments: Brass Rod & Copper Bar Products, Impacts & Micro Gauge, and Brass Value-Added Products. These businesses manufacture brass rod, impact extrusions, and forgings, as well as a wide variety of end products including plumbing brass, automotive components, valves, fittings, and gas assemblies. These products are manufactured in the U.S. and sold primarily to OEMs in the U.S., many of which are in the industrial, transportation, construction, heating, ventilation, and air-conditioning, plumbing, refrigeration, and energy markets.

Climate

Climate is composed of the following operating segments: Refrigeration Products, Fabricated Tube Products, Westermeyer, Turbotec, and ATCO. These domestic businesses manufacture and fabricate valves, assemblies, high pressure components, coaxial heat exchangers, and insulated HVAC flexible duct systems primarily for the heating, ventilation, air-conditioning, and refrigeration markets in the U.S.

Summarized segment information is as follows:



	For the Quarter Ended March 30, 2019
(In thousands)	Piping Systems		Industrial Metals		Climate		Corporate and Eliminations			Total

Net sales	$	376,492	$	150,875	$	89,834	$	(5,420	)	$	611,781

Cost of goods sold	324,796		126,699		66,829		(6,931		)	511,393
Depreciation and amortization	5,550		1,844		2,313		848			10,555
Selling, general, and administrative expense	17,897		3,145		8,306		11,305			40,653

Operating income	28,249		19,187		12,386		(10,642		)	49,180

Interest expense										(6,954		)
Other loss, net										(172		)

Income before income taxes										$	42,054



	For the Quarter Ended March 31, 2018
(In thousands)	Piping Systems		Industrial Metals		Climate		Corporate and Eliminations			Total

Net sales	$	430,964	$	177,332	$	36,063	$	(4,299	)	$	640,060

Cost of goods sold	372,895		149,423		27,286		(3,934		)	545,670
Depreciation and amortization	5,878		1,903		621		1,054			9,456
Selling, general, and administrative expense	19,242		3,373		2,609		8,833			34,057
Asset impairment	—		—		—		3,469			3,469

Operating income	32,949		22,633		5,547		(13,721		)	47,408

Interest expense										(5,909		)
Other income, net										560

Income before income taxes										$	42,059

The following tables represent a disaggregation of revenue from contracts with customers, along with the reportable segment for each category:



	For the Quarter Ended March 30, 2019
(In thousands)	Piping Systems		Industrial Metals		Climate		Total

Tube and fittings	$	307,521	$	—	$	—	$	307,521
Brass rod and forgings	—		115,924		—		115,924
OEM components, tube & assemblies	7,283		13,037		37,243		57,563
Valves and plumbing specialties	61,688		—		—		61,688
Other	—		21,914		52,591		74,505

	376,492		150,875		89,834		617,201

Intersegment sales							(5,420		)

Net sales							$	611,781



	For the Quarter Ended March 31, 2018
(In thousands)	Piping Systems		Industrial Metals		Climate		Total

Tube and fittings	$	358,091	$	—	$	—	$	358,091
Brass rod and forgings	—		136,548		—		136,548
OEM components, tube & assemblies	7,062		15,067		36,063		58,192
Valves and plumbing specialties	65,811		—		—		65,811
Other	—		25,717		—		25,717

	430,964		177,332		36,063		644,359

Intersegment sales							(4,299		)

Net sales							$	640,060