Q2 2018Q1 2018Q4 2017Q3 2017Q2 2017
Gross profit (MM)$450.8$553.3$628.7$464.8$420.2
Gross profit growth7.3%1.0%8.4%-4.5%-8.5%
Operating income (MM)$12.4$119.3$132.1$32.3-$11.3
Operating income growthN/A1.0%31.9%-36.4%N/A
Net income (MM)-$2.9$80.5$157.6$14.5-$17.1
Net income growthN/A21.5%176.9%-36.2%N/A
Diluted EPS-$0.10$2.90$5.55$0.50-$0.58
Diluted EPS growthN/A36.6%222.7%-25.1%N/A