TTM20142013201220112010
Gross margin42.6%44.8%44.5%47.3%45.4%47.1%
Gross margin growth (bps)-22537-287190-163-259
Operating margin-15.3%-11.0%-2.2%9.0%-0.6%6.1%
Operating margin growth (bps)-1,857-883-1,122963-672-451
Net profit margin-25.1%-14.7%-5.2%4.7%-1.4%2.6%
Net profit margin growth (bps)-2,403-947-991612-408-2,796