Compass Minerals International, Inc., produces and sells salt, and specialty plant nutrition and chemical products primarily in the United States, Canada, Brazil, and the United Kingdom. It operates through three segments: Salt, Plant Nutrition North America, and Plant Nutrition South America. The Salt segment offers sodium chloride and magnesium chloride, including rock salt, mechanically and solar evaporated salt, and brine and flake magnesium chloride products; and purchases potassium chloride and calcium chloride to sell as finished products or to blend with salt to produce specialty products. This segment provides products for use as a deicer for roadways, consumer, and professional use; as an ingredient in chemical production; for water treatment, human, and animal nutrition; and for various other consumer and industrial uses, as well as records management services. The Plant Nutrition North America segment offers sulfate of potash specialty fertilizers in various grades, includi