56 Note 18 Segment Data We operate four global business units consisting of Metalworking Solutions & Services Group (MSSG), Advanced Materials Solutions Group (AMSG), J&L Industrial Supply (J&L) and Full Service Supply (FSS), and corporate functional shared services. The presentation of segment information reflects the manner in which we organize segments for making operating decisions and assessing performance. Intersegment sales are accounted for at arm’s-length prices, reflecting prevailing market conditions within the various geographic areas. Such sales and associated costs are eliminated in the consolidated financial statements. Sales to a single customer did not aggregate 10 percent or more of total sales in 2002, 2001 or 2000. Export sales from U.S. operations to unaffiliated customers were $65.1 million, $78.7 million and $75.8 million in 2002, 2001 and 2000, respectively. Metalworking Solutions & Services Group In the MSSG segment, we provide consumable metalcutting tools and tooling systems to manufacturing companies in a wide range of industries throughout the world. Metalcutting operations include turning, boring, threading, grooving, milling and drilling. Our tooling systems consist of a steel toolholder and a cutting tool such as an indexable insert or drill made from cemented tungsten carbides, high-speed steel and other hard materials. We also provide solutions to our customers’ metalcutting needs through engineering services aimed at improving their competitiveness. Advanced Materials Solutions Group In the AMSG segment, the principal business is the production and sale of cemented tungsten carbide products used in mining, highway construction, engineered applications, including circuit board drills, compacts and other similar applications. These products have technical commonality to our core metalworking products. We also sell metallurgical powders to manufacturers of cemented tungsten carbide products. J&L Industrial Supply In this segment, we provide metalworking consumables and related products to small- and medium-sized manufacturers in the United States and the United Kingdom. J&L markets products and services through annual mail-order catalogs and monthly sale flyers, telemarketing, the Internet and field sales. Full Service Supply In the FSS segment, we provide metalworking consumables and related products to medium- and large-sized manufacturers in the United States and Canada. FSS offers integrated supply programs that provide inventory management systems, just-in-time availability and programs that focus on total cost savings. Segment detail is summarized as follows: (in thousands)  2002 2001 2000 External sales:  MSSG $ 897,157 $ 999,813 $1,029,395 AMSG 307,668 352,933 345,447 J&L 226,010 296,264 333,061 FSS 152,907 158,886 158,675 Total external sales $1,583,742 $1,807,896 $1,866,578 Intersegment sales:  MSSG $ 116,467 $ 111,780 $ 134,398 AMSG 24,167 28,167 25,263 J&L 2,083 3,823 5,038 FSS 2,747 5,278 7,827 Total intersegment sales $ 145,464 $ 149,048 $ 172,526 Total sales:  MSSG $1,013,624 $1,111,593 $1,163,793 AMSG 331,835 381,100 370,710 J&L 228,093 300,087 338,099 FSS 155,654 164,164 166,502 Total sales $1,729,206 $1,956,944 $2,039,104 