7. Other Operating Income

Other operating income was comprised as shown in the following table:

In fiscal 2018, a gain on retirements of noncurrent assets was recognized in the amount of €36 million from the sale of the polycarbonate sheet business to Plaskolite LLC, Columbus (United States). In addition, the item includes proceeds totaling €15 million from the sale of various properties and buildings¹. In 2017, the gain on retirements of noncurrent assets resulted mainly from proceeds of €39 million from the sale of a U.S. polyurethane spray foam systems business to Accella Polyurethane Systems LLC, Maryland Heights (United States).

Gains from derivatives in fiscal years 2017 and 2018 resulted from embedded derivatives.

Miscellaneous operating income for the reporting period primarily included insurance reimbursements amounting to €29 million (previous year: €44 million). In 2017, this item also included reversals of impairment losses on property, plant and equipment amounting to €15 million due to the continuation of MDI production at the site in Tarragona (Spain). The remaining amount consisted of a large number of individually immaterial items.