Combine the first 4 ingredients in a large bowl, and stir mixture well.
Combine honey, molasses, water, and oil in a medium saucepan; bring to a boil. Remove from heat; pour over oat mixture, stirring well to coat. Spoon mixture onto a jelly-roll pan coated with cooking spray; spread evenly. Bake at 325° for 40 minutes or until lightly toasted, stirring every 10 minutes. Remove from oven; stir in dates and raisins. Cool completely. Store in an airtight container.