Margins
| TTM | 2016 | 2015 | 2014 | 2013 | 2012 | |
|---|---|---|---|---|---|---|
| Gross margin | 37.8% | 37.3% | 37.1% | 36.8% | 37.0% | 37.0% |
| Gross margin growth (bps) | 75 | 22 | 24 | -20 | 7 | 26 |
| Operating margin | -13.6% | -7.2% | -5.8% | 5.9% | 5.4% | 7.2% |
| Operating margin growth (bps) | -727 | -135 | -1,171 | 50 | -184 | 18 |
| Net profit margin | -13.3% | -7.4% | -6.5% | 3.6% | 2.0% | 3.5% |
| Net profit margin growth (bps) | -636 | -95 | -1,003 | 157 | -146 | 77 |