In a large skillet cook and stir bacon over medium heat until browned. Drain on paper towels;crumble and set aside.

in a large bowl combine broccoli, cheese ,pineapple, raisins, onion and bacon.

In a small bowl stir together mayonaise, sugar, vinegar, and salt and pepper to taste.

Pour mayonaise mixture over broccoli mixture;toss to coat.

Cover and refrigerate at least 2 hours.

Toss before serving