TTM20172016201520142013
Restaurant-level operating income (MM)$66.5$67.4$66.2$58.8$44.2$40.4
Restaurant-level operating income growth-0.7%1.7%12.7%32.9%9.5%11.8%
Operating income (MM)$20.7$23.5$24.3$18.7$16.0$15.4
Operating income growth-14.7%-3.4%29.8%17.5%3.8%15.6%
Net income (MM)$27.6$29.0$17.2$12.9$11.5$11.1
Net income growth59.8%67.9%33.7%12.2%3.8%102.8%
Diluted EPS$1.62$1.70$1.02$0.77$0.69$0.66
Diluted EPS growth59.0%66.8%32.5%12.0%3.6%78.7%

Notes: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