Segment Information The Companys reportable segments are Piping Systems, Industrial Metals, and Climate. Each of the 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 Companys 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 segments products are sold primarily to plumbing, refrigeration, and air-conditioning wholesalers, hardware wholesalers and co-ops, building product retailers, and air-conditioning OEMs. During 2019 , the segment recognized a gain of $1.2 million on the sale of real property. During 2018 , the segment recognized a gain of $1.4 million on the sale of real property and a gain of $0.7 million on the sale of manufacturing equipment. During 2017 , the segment recognized a gain of $1.5 million on the sale of the Companys interest in Mueller-Xingrong and impairment charges of $1.5 million on certain copper fittings manufacturing equipment. Industrial Metals Industrial Metals is composed of the following operating segments: Brass Rod &amp; Copper Bar Products, Impacts &amp; 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. During 2019 , the segment recognized a loss of $0.3 million on the sale of real property and an insurance recovery gain of $0.5 million related to the losses incurred due to the 2017 fire at the brass rod mill in Port Huron, Michigan. During 2018 , the segment recognized a gain of $1.3 million on the sale of real property and an insurance recovery gain of $3.7 million related to the losses incurred due to the 2017 fire at the brass rod mill in Port Huron, Michigan. Climate Climate is composed of the following operating segments: Refrigeration Products, Fabricated Tube Products, Westermeyer, Turbotec, ATCO, and Linesets, Inc. These domestic businesses manufacture and fabricate valves, assemblies, high pressure components, coaxial heat exchangers, insulated HVAC flexible duct systems, and line sets primarily for the heating, ventilation, air-conditioning, and refrigeration markets in the U.S. Performance of segments is generally evaluated by their operating income. Summarized product line, geographic, and segment information is shown in the following tables. Geographic sales data indicates the location from which products are shipped. Unallocated expenses include general corporate expenses, plus certain charges or credits not included in segment activity. During 2019 , 2018 , and 2017 , no single customer exceeded 10 percent of worldwide sales. The following tables represent a disaggregation of revenue from contracts with customers, along with the reportable segment for each category: For the Year Ended December 28, 2019 (In thousands) Piping Systems Industrial Metals Climate Total Tube and fittings $ 1,271,558 $  $  $ 1,271,558 Brass rod and forgings  425,573  425,573 OEM components, tube &amp; assemblies 29,103 48,104 133,651 210,858 Valves and plumbing specialties 241,795   241,795 Other  80,695 222,565 303,260 $ 1,542,456 $ 554,372 $ 356,216 $ 2,453,044 Intersegment sales (22,428 ) Net sales $ 2,430,616 For the Year Ended December 29, 2018 (In thousands) Piping Systems Industrial Metals Climate Total Tube and fittings $ 1,352,875 $  $  $ 1,352,875 Brass rod and forgings  501,472  501,472 OEM components, tube &amp; assemblies 29,578 53,581 139,113 222,272 Valves and plumbing specialties 263,180   263,180 Other  96,008 89,956 185,964 $ 1,645,633 $ 651,061 $ 229,069 $ 2,525,763 Intersegment sales (17,885 ) Net sales $ 2,507,878 Disaggregation of revenue from contracts with customers (continued): For the Year Ended December 30, 2017 (In thousands) Piping Systems Industrial Metals Climate Total Tube and fittings $ 1,238,258 $  $  $ 1,238,258 Brass rod and forgings  461,603  461,603 OEM components, tube &amp; assemblies 94,383 51,707 131,448 277,538 Valves and plumbing specialties 232,309   232,309 Other  88,821  88,821 $ 1,564,950 $ 602,131 $ 131,448 $ 2,298,529 Intersegment sales (32,456 ) Net sales $ 2,266,073 Summarized geographic information is as follows: (In thousands) 2019 2018 2017 Net sales: United States $ 1,775,321 $ 1,820,857 $ 1,556,825 United Kingdom 230,791 245,458 231,039 Canada 285,720 292,798 280,140 Asia 64,363 59,730 121,295 Mexico 74,421 89,035 76,774 $ 2,430,616 $ 2,507,878 $ 2,266,073 (In thousands) 2019 2018 2017 Long-lived assets: United States $ 286,727 $ 295,735 $ 238,752 United Kingdom 18,776 16,313 17,661 Canada 31,429 33,144 21,327 Asia 25,637 24,930 25,973 Mexico 559 511 608 $ 363,128 $ 370,633 $ 304,321 Summarized segment information is as follows: For the Year Ended December 28, 2019 (In thousands) Piping Systems Industrial Metals Climate Corporate and Eliminations Total Net sales $ 1,542,456 $ 554,372 $ 356,216 $ (22,428 ) $ 2,430,616 Cost of goods sold 1,313,980 473,010 273,850 (25,230 ) 2,035,610 Depreciation and amortization 22,621 7,489 9,298 3,285 42,693 Selling, general, and administrative expense 75,170 12,359 30,385 44,444 162,358 (Gain) loss on sale of assets, net (1,194 ) 275 (44 )  (963 ) Insurance recovery  (485 )   (485 ) Operating income 131,879 61,724 42,727 (44,927 ) 191,403 Interest expense (25,683 ) Environmental expense (1,321 ) Other income, net 1,684 Income before income taxes $ 166,083 For the Year Ended December 29, 2018 (In thousands) Piping Systems Industrial Metals Climate Corporate and Eliminations Total Net sales $ 1,645,633 $ 651,061 $ 229,069 $ (17,885 ) $ 2,507,878 Cost of goods sold 1,426,729 559,367 182,456 (18,152 ) 2,150,400 Depreciation and amortization 23,304 7,568 5,569 3,114 39,555 Selling, general, and administrative expense 74,864 13,501 16,926 43,597 148,888 (Gain) loss on sale of assets, net (2,093 ) (1,301 )  3,141 (253 ) Insurance recovery  (3,681 )   (3,681 ) Operating income 122,829 75,607 24,118 (49,585 ) 172,969 Interest expense (25,199 ) Environmental expense (1,320 ) Other income, net 3,967 Income before income taxes $ 150,417 Segment information (continued): For the Year Ended December 30, 2017 (In thousands) Piping Systems Industrial Metals Climate Corporate and Eliminations Total Net sales $ 1,564,950 $ 602,131 $ 131,448 $ (32,456 ) $ 2,266,073 Cost of goods sold 1,369,161 506,973 98,851 (34,368 ) 1,940,617 Depreciation and amortization 21,777 7,516 2,513 2,138 33,944 Selling, general, and administrative expense 74,441 13,278 9,759 43,252 140,730 Gain on sale of assets, net (1,491 )    (1,491 ) Impairment charges 1,466    1,466 Operating income 99,596 74,364 20,325 (43,478 ) 150,807 Interest expense (19,502 ) Environmental expense (7,284 ) Other income, net 2,951 Income before income taxes $ 126,972 (In thousands) 2019 2018 2017 Expenditures for long-lived assets (including those resulting from business acquisitions): Piping Systems $ 15,505 $ 31,362 $ 18,124 Industrial Metals 9,101 8,066 5,322 Climate 3,845 85,471 2,191 General Corporate 2,711 37 22,518 $ 31,162 $ 124,936 $ 48,155 Segment assets: Piping Systems $ 796,262 $ 818,303 $ 801,468 Industrial Metals 161,904 173,725 212,638 Climate 249,853 246,851 73,458 General Corporate 162,921 130,670 232,609 $ 1,370,940 $ 1,369,549 $ 1,320,173