TTM20162015201420132012
Restaurant-level operating margin17.3%17.5%17.3%16.0%17.1%15.7%
Restaurant-level operating margin growth (bps)-2823140-107137142
Operating margin8.6%8.8%7.9%7.3%8.6%7.7%
Operating margin growth (bps)499754-125907
Net profit margin6.2%6.1%5.5%5.1%6.1%5.4%
Net profit margin growth (bps)445842-9765-1

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