| 2010 | 2011 | ||
|---|---|---|---|
| CHF thousands | |||
| Depreciation of property, plant and equipment | 50,263 | 49,134 | |
| Impairment of property, plant and equipment | 1,734 | 9,350 | |
| Amortisation of intangible assets | 3,071 | 3,466 | |
| Impairment of intangible assets | 1,149 | 29,758 | |
| Total | 56,217 | 91,708 |