Interim condensed consolidated statement  of comprehensive income 
| For the six months ended 30 June | 
 | 
 | 
 | 
| in CHF 1,000 | Note | 2021 | 2020 | 
| 
 | 
 | 
 | 
 | 
| Profit for the period | 
 | 38,336 | 66,708 | 
| 
 | 
 | 
 | 
 | 
| Other comprehensive income: Items that will not be reclassified to profit or loss in subsequent periods | 
 | 
 | 
 | 
| Remeasurements of post-employment benefit obligations | 
 | 8,221 | –2,423 | 
| Taxes | 
 | –1,182 | 388 | 
| 
 | 
 | 
 | 
 | 
| Items that may be reclassified to profit or loss in subsequent periods | 
 | 
 | 
 | 
| Currency translation adjustment | 
 | 14,589 | –27,915 | 
| Cash flow hedges | 
 | 2,160 | –663 | 
| Taxes | 
 | –336 | 99 | 
| 
 | 
 | 
 | 
 | 
| Total other comprehensive income for the period | 
 | 23,452 | –30,514 | 
| 
 | 
 | 
 | 
 | 
| Total comprehensive income for the period | 
 | 61,788 | 36,194 | 
| 
 | 
 | 
 | 
 | 
| Total comprehensive income attributable to: | 
 | 
 | 
 | 
| – Owners of the parent | 
 | 62,020 | 36,268 | 
| – Non-controlling interest | 
 | –232 | –74 |