Margins
| TTM | 2016 | 2015 | 2014 | 2013 | 2012 | |
|---|---|---|---|---|---|---|
| Gross margin | 23.8% | 24.0% | 25.3% | 25.6% | 28.9% | 29.0% |
| Gross margin growth (bps) | -122 | -129 | -27 | -335 | -4 | 30 |
| Operating margin | 0.0% | -3.5% | -0.5% | -2.5% | 2.0% | 2.0% |
| Operating margin growth (bps) | -491 | -303 | 197 | -448 | 2 | -72 |
| Net profit margin | -4.9% | -3.1% | -0.3% | -1.5% | 1.3% | 1.5% |
| Net profit margin growth (bps) | -467 | -279 | 112 | -281 | -17 | -26 |