Q3 2018Q2 2018Q1 2018Q4 2017Q3 2017
Restaurant-level operating income (MM)$119.1$152.4$182.5$175.1$124.6
Restaurant-level operating income growth-0.7%-2.4%-10.4%15.4%-13.2%
Operating income (MM)$12.5$32.9$78.4$31.6$3.2
Operating income growth140.2%-21.9%2.0%N/A-90.0%
Net income (MM)$4.3$26.7$66.1$16.4$4.0
Net income growth-19.6%-25.4%33.2%N/A-80.9%
Diluted EPS$0.04$0.28$0.68$0.16$0.05
Diluted EPS growth-25.2%-17.4%49.4%N/A-75.4%

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