TTM20152014201320122011
Restaurant-level operating margin13.7%13.6%12.2%12.7%14.0%16.1%
Restaurant-level operating margin growth (bps)105146-58-126-207-191
Operating margin-3.8%-3.8%-0.2%2.2%-0.9%3.3%
Operating margin growth (bps)-547-355-242308-420-192
Net profit margin-6.9%-6.3%-1.5%0.1%-2.0%2.4%
Net profit margin growth (bps)-675-484-165218-446-132

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