Benefit expenses

The following amounts were recognised in the income statement and in equity as pension costs:

	Pensions plans		Other long-term benefits
in CHF thousands	2018	2017	2018	2017
Defined benefit costs
Service cost
Current service cost	–17'128	–17'911	–412	–449
Past service cost including effects of curtailment	–63	–1'118	–277	0
Total service cost	–17'191	–19'029	–689	–449
Net interest
Interest cost on defined benefit obligation	–3'759	–3'565	–22	–27
Interest income on plan assets	3'073	2'823	0	0
Total net interest	–686	–742	–22	–27
Administration expense	–616	–610
Net actuarial (losses) / gains recognised	0	0	–313	–20
Total defined benefit cost	–18'493	–20'381	–1'024	–496
of which personnel expenses	–18'493	–20'381	–1'024	–496
of which financial expense	0	0	0	0
Contributions to defined contribution plans	–778	–231	0	0

Remeasurement of the defined benefit liability
Actuarial (gains) / losses
Arising from changes in demographic assumptions	6	0
Arising from changes in economic assumptions	16'086	7'230
Arising from experience	2'573	–8'998
Return on plan assets (excl. amounts in interest income)	–16'921	17'444
Total defined benefit cost recognised in other comprehensive income	1'744	15'676

Total benefit cost	–17'527	–4'936	–1'024	–496