Performance ![Return-on-capital-employed-.jpg](../media/166739/return-on-capital-2015.png)
Return on capital employed decreased by 1.7 percentage points during the year, from 20.7% to 19.0%.
Headline operating profit decreased by 8.1% from £111.1m to £102.1m, while average capital employed increased by 0.1% to £538.4m.
Definition
Headline operating profit as a percentage of the average of opening and closing capital employed as adjusted for certain items of goodwill written off.
Capital employed is defined as net assets adjusted for net cash / (debt).