Melt margarine in a large saucepan over medium heat. Add flour; cook 30 seconds, stirring constantly with a whisk. Add pepper, salt, and milk, and bring to a simmer, stirring frequently. Remove from heat, and add fontina, Gorgonzola, and Camembert cheeses, stirring until cheeses melt. Stir in pasta and basil; spoon into each of 4 bowls. Sprinkle with Parmesan cheese.