DECATUR, Ill. (AP) â¿¿ Caterpillar Inc. says it plans to lay off more than 460 employees this June at its plant in Decatur, Ill. Caterpillar spokeswoman Rachel Potts said Friday that the layoffs are part of an ongoing series of production cuts. The company has said those cuts are in response to reduced global demand for mining equipment. The plant in Decatur builds products used in mining. Cuts in some other locations have been temporary. Potts said the Decatur cuts are permanent. Potts would not say whether more job cuts are planned in the near future.