TTM20152014201320122011
Restaurant-level operating margin10.4%12.0%12.7%16.4%16.5%15.4%
Restaurant-level operating margin growth (bps)-221-66-370-18114-76
Operating margin-4.7%-1.7%-0.9%2.2%4.4%4.2%
Operating margin growth (bps)-54-76-315-222286
Net profit margin-7.6%-9.4%-10.6%-1.3%1.9%3.0%
Net profit margin growth (bps)773121-932-319-11022

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