Segment and Geographic Information and Significant Customers: The Company aggregates operating segments that have similar economic characteristics, products, production processes, types or classes of customers and distribution methods into reportable segments. The Company concluded that it operates two reportable segments: Engines and Products. The Company uses segment income (loss) as the primary measure to evaluate operating performance and allocate capital resources for the Engines and Products segments. The Company defines segment income (loss) as income from operations plus equity in earnings of unconsolidated affiliates. Summarized segment data is as follows (in thousands): 2019 2018 2017 NET SALES: Engines $ 988,707 $ 1,066,318 $ 1,098,809 Products 932,137 904,007 778,378 Eliminations (84,239 ) (89,031 ) (91,084 ) $ 1,836,605 $ 1,881,294 $ 1,786,103 GROSS PROFIT: Engines $ 193,069 $ 252,645 $ 262,036 Products 108,984 144,933 121,141 Eliminations (1,002 ) 504 652 $ 301,051 $ 398,082 $ 383,829 SEGMENT INCOME (LOSS) (1) Engines $ (15,519 ) $ 9,593 $ 81,641 Products (22,675 ) 22,012 12,530 Eliminations (1,002 ) 504 652 $ (39,196 ) $ 32,109 $ 94,823 INTEREST EXPENSE (29,242 ) (25,320 ) (20,293 ) OTHER INCOME, Net 340 4,312 5,131 Income (Loss) Before Income Taxes (68,098 ) 11,101 79,661 PROVISION (CREDIT) FOR INCOME TAXES (14,015 ) 22,421 23,011 Net Income (Loss) $ (54,083 ) $ (11,320 ) $ 56,650 ASSETS: Engines $ 952,820 $ 965,677 $ 987,943 Products 646,417 547,540 551,207 Eliminations (47,806 ) (69,251 ) (88,171 ) $ 1,551,431 $ 1,443,966 $ 1,450,979 CAPITAL EXPENDITURES: Engines $ 31,680 $ 79,724 $ 67,218 Products 20,774 23,479 15,923 $ 52,454 $ 103,203 $ 83,141 DEPRECIATION &amp; AMORTIZATION: Engines $ 48,932 $ 44,361 $ 44,384 Products 15,268 13,897 11,799 $ 64,200 $ 58,258 $ 56,183 Pre-tax business optimization and litigation settlement charges impact on gross profit (in thousands): 2019 2018 2017 Engines $ 2,662 $ 2,854 $  Products 9,207 3,775  Total $ 11,869 $ 6,629 $  Pre-tax business optimization charges, acquisition-related charges, bad debt charges related to major retailer bankruptcy, pension settlement charges, and litigation charges impact on segment income (loss) is as follows (in thousands): 2019 2018 2017 Engines $ 29,149 $ 53,913 $  Products 22,648 8,113  Total $ 51,797 $ 62,026 $  Information regarding the Companys geographic sales based on product shipment destination (in thousands): 2019 2018 2017 United States $ 1,354,635 $ 1,346,687 $ 1,246,015 All Other Countries 481,970 534,607 540,088 Total $ 1,836,605 $ 1,881,294 $ 1,786,103 Information regarding the Companys net plant and equipment based on geographic location (in thousands): 2019 2018 2017 United States $ 392,146 $ 405,808 $ 347,664 All Other Countries 18,899 16,272 17,216 Total $ 411,045 $ 422,080 $ 364,880 Sales to the following customers in the Companys Engines segment amount to greater than or equal to 10% of consolidated net sales (in thousands): 2019 2018 2017 Customer: Net Sales % Net Sales % Net Sales % MTD $ 220,714 12 % $ 192,402 10 % $ 205,339 11 % HOP 139,920 8 % 184,008 10 % 207,882 12 % $ 360,634 20 % $ 376,410 20 % $ 413,221 23 %