23. Non-controlling interests
Non-controlling interests are measured at the acquisition date with their proportionate share in the identifiable net assets of the acquired entity.
Changes in the share in a subsidiary that do not result in a loss of control are recognised directly as equity transactions with non-controlling interests.
| In € thousand | 31/12/2018 | 31/12/2017 | 
| In valuation of financial instruments available for sale | –792 | 1,630 | 
| In actuarial gains and losses on defined benefit plans | –177 | –728 | 
| In retained profit | 16,770 | 16,453 | 
| In other equity | –1,364 | 74,033 | 
| Total | 14,438 | 91,388 | 
