Margins
| TTM | 2016 | 2015 | 2014 | 2013 | 2012 | |
|---|---|---|---|---|---|---|
| Gross margin | 30.1% | 30.4% | 28.7% | 27.7% | 29.1% | 30.1% |
| Gross margin growth (bps) | 84 | 174 | 99 | -143 | -104 | -257 |
| Operating margin | 0.1% | 0.1% | -0.7% | -2.1% | -5.8% | -11.8% |
| Operating margin growth (bps) | 43 | 83 | 138 | 371 | 598 | -688 |
| Net profit margin | -0.1% | 0.2% | -0.4% | -2.4% | -6.1% | -11.8% |
| Net profit margin growth (bps) | -10 | 68 | 199 | 371 | 570 | -721 |