The menu shown in the upper panel is the desktop menu, so the problem seems to me that the libreoffice window title is below the upper panel. Setting unity as also affected, as it should not let windows have their titlebar below the upper panel.
The menu shown in the upper panel is the desktop menu, so the problem seems to me that the libreoffice window title is below the upper panel. Setting unity as also affected, as it should not let windows have their titlebar below the upper panel.