Margins
| TTM | 2014 | 2013 | 2012 | 2011 | 2010 | |
|---|---|---|---|---|---|---|
| Gross margin | 46.1% | 48.1% | 50.6% | 51.8% | 54.7% | 52.8% |
| Gross margin growth (bps) | -312 | -252 | -116 | -298 | 189 | 749 |
| Operating margin | -14.2% | -7.6% | 1.2% | 3.6% | 6.8% | 6.6% |
| Operating margin growth (bps) | -1,059 | -881 | -245 | -315 | 11 | 739 |
| Net profit margin | -10.4% | -5.4% | 0.9% | 2.7% | 4.8% | 4.4% |
| Net profit margin growth (bps) | -792 | -631 | -179 | -210 | 41 | 582 |