TTM20152014201320122011
Restaurant-level operating margin16.3%16.5%16.1%15.5%15.9%15.6%
Restaurant-level operating margin growth (bps)143764-453546
Operating margin5.1%5.3%4.3%5.5%4.5%5.6%
Operating margin growth (bps)6295-11492-10190
Net profit margin2.4%3.0%2.2%5.2%1.5%2.8%
Net profit margin growth (bps)1385-304366-130121

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