Restaurant-level operating margin22.6%17.6%20.2%20.4%18.5%17.1%
Restaurant-level operating margin growth (bps)139-252-20187143104
Operating margin25.1%17.1%14.4%12.8%10.9%9.3%
Operating margin growth (bps)462275157186166127
Net profit margin12.8%8.7%7.8%7.1%6.0%3.4%
Net profit margin growth (bps)1629569107256-39

Notes:Results after Q4 2017 reflect the sale of the Qdoba concept on Mar 21, 2018; 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.