Cook pasta according to package directions. Drain pasta and rinse in cold water.
Drain pineapple, reserving 1 cup juice; set pineapple aside. For dressing, in a small bowl, whisk the vinegar, lemon juice, honey mustard, oil, garlic salt and reserved pineapple juice; set aside.
In a large bowl, combine the pasta, turkey, broccoli, celery, onion, pepper and pineapple. Drizzle with dressing; toss to coat. Cover and refrigerate for at least 2 hours. Just before serving, stir in cheese.