To assess the effects of rimonabant on HbA1c in patients with Type 2 diabetes who are overweight or obese (Body Mass Index (BMI) > 27 kg/m² and BMI < 40 kg/m²), have uncontrolled HbA1c (7.0% - 9.0% inclusive) and are currently on maximal tolerated doses of two Oral Anti Diabetic medications - Metformin (Met) and Sulfonylurea (SU).