Not trying to hijack Black Lab's thread here but I am offering info for what I normally do:
Bread machine makes the dough, approx. 120 minutes, 10.5 oz. warm water, 4 tablespoons vegetable oil, 4 cups all purpose flour, 1 teaspoon sugar, 1 teaspoon salt, 2 teaspoons of bread machine yeast. Cut the dough into 4 pieces and roll each out on a well floured clean surface with a wooden rolling pin until thin and dough does not retract. This will prevent from becoming too "Doughy" as this is the key here.
usual stuffing's: sliced large stick pepperoni, gooey type Mozzarella cheese, cheddar cheese, cream cheese or Ricotta, then sprinkle with Oregano. Assemble and bake in oven at 425 degrees for 20 minutes maybe more depending on oven. I always slice the calzones into dipping size strips and serve with pizza sauce in a separate small bowl.