Q2 2018Q1 2018Q4 2017Q3 2017Q2 2017
Gross profit (MM)$1,627.0$1,427.0$1,759.0$1,525.0$1,479.0
Gross profit growth10.0%9.5%17.2%2.1%2.9%
Operating income (MM)$398.0$229.0$396.0$378.0$451.0
Operating income growth-11.8%-9.8%31.6%-2.8%61.6%
Net income (MM)$297.0$164.0$205.0$229.0$271.0
Net income growth9.6%14.7%-6.8%12.3%116.8%
Diluted EPS$0.76$0.42$0.52$0.58$0.68
Diluted EPS growth11.3%16.7%-4.9%14.3%118.4%