Pre-tax business optimization and litigation settlement charges impact on gross profit (in thousands): Sales to the following customers in the Company’s 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% 60 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 Company’s 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 Company’s 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