TTM20142013201220112010
Gross marginN/A25.9%26.1%26.3%27.2%27.6%
Gross margin growth (bps)N/A-23-20-87-39-30
Operating margin4.0%4.0%3.6%3.2%4.0%5.3%
Operating margin growth (bps)303446-10-126-10