Heat oven to 375°F. Spray 13x9-inch (3-quart) glass baking dish with cooking spray. Unroll dough; press in bottom and 1/2 inch up sides of pan. Sprinkle apples over dough.
In 1-quart saucepan, heat caramel topping and 1/4 cup flour to boiling over medium heat, stirring constantly. Boil 1 minute, stirring constantly, until thickened. Drizzle over apples.
In medium bowl, mix brown sugar, flour, oats and cinnamon. With pastry blender, cut in butter, until mixture looks like fine crumbs. Stir in pecans. Sprinkle evenly over apples.
Bake 18 to 22 minutes or until top is golden brown and apples are tender.