TTM20152014201320122011
Restaurant-level operating income (MM)$13.9$13.9$10.3$11.7$10.8$12.4
Restaurant-level operating income growth34.9%34.9%-12.0%8.3%-12.7%-3.1%
Operating income (MM)$10.0$10.0$9.5$6.6$2.0$9.1
Operating income growth5.1%5.1%43.7%235.1%-78.4%-8.9%
Net income (MM)$13.4$13.4$10.9$10.1$8.1$10.8
Net income growth22.6%22.6%8.0%24.0%-24.8%-6.0%
Diluted EPS$1.94$1.94$1.86$1.31$0.40$1.80
Diluted EPS growth4.3%4.3%42.1%228.9%-77.9%-6.7%

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