TTM20172016201520142013
Restaurant-level operating income (MM)$131.3$203.4$242.9$235.6$207.2$195.1
Restaurant-level operating income growth-21.9%-16.3%3.1%13.7%6.2%2.9%
Operating income (MM)$247.0$266.1$229.9$197.2$162.3$138.2
Operating income growth2.9%15.8%16.6%21.5%17.4%14.4%
Net income (MM)$126.1$135.3$124.1$108.8$89.0$51.2
Net income growth-3.9%9.1%14.0%22.3%73.9%-11.3%
Diluted EPS$4.25$4.38$3.63$2.85$2.12$1.14
Diluted EPS growth5.0%20.5%27.6%34.4%86.0%-11.2%

Notes:Results after Q4 2017 reflect the sale of the Qdoba concept on Mar 21, 2018; Restaurant-level operating income equals company-operated restaurant sales minus company-operated restaurant costs, which includes cost of goods sold (food, beverage and packaging), labor, occupancy and other operating costs