TTM20152014201320122011
Restaurant-level operating margin20.0%20.0%18.9%18.7%17.3%18.7%
Restaurant-level operating margin growth (bps)10710725133-134-48
Operating margin28.7%28.7%27.5%28.3%28.7%26.5%
Operating margin growth (bps)118118-75-44223-168
Net profit margin17.0%17.0%16.1%16.6%17.0%15.7%
Net profit margin growth (bps)9090-42-451279

Notes:Restaurant-level operating margin represents restaurant-level operating income, which equals company-operated restaurants sales minus company-operated restaurant costs, which includes cost of goods sold (food, beverage and packaging), labor, occupancy and other operating costs, expressed as a % of company-operated restaurant sales