4.7 Other operating expenses
| in CHF thousand | Notes | 2017 | 2016 | |||
|---|---|---|---|---|---|---|
| Marketing and distribution expenses | 12,157 | 13,473 | ||||
| Operating lease expenses | 4.18 | 10,739 | 10,960 | |||
| Repairs and maintenance | 8,101 | 6,585 | ||||
| Administration expenses | 6,295 | 6,766 | ||||
| Losses on bad debts | 70 | 2,158 | ||||
| Losses from sales of fixed assets | 29 | – | ||||
| Impairment of provisions and loans | – | 776 | ||||
| Energy | 2,603 | 2,525 | ||||
| IT | 3,159 | 2,964 | ||||
| Other operating expenses | 6,325 | 4,592 | ||||
| Total other operating expenses | 49,478 | 50,799 |
Other operating expenses include CHF 650,000 relating to the restructuring of the Book Retailing division’s branch network. In the prior year, losses on bad debts included losses from the operational business as well as provisions in conjunction with the first-time consolidation of insignificant subsidiaries of the Atlantic Zeiser division.