| De nadere informatie over de brutomarge. | nl | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Informationen über Brutto-Betriebsergebnis | de | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Disclosure of gross operating result | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Informations sur résultat brut d'exploitation | fr | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Informatieverschaffing over bruto-bedrijfsresultaat | nl | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Informationen über Bruttomarge | de | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| Disclosure of gross margin | en | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| Informations sur marge brute | fr | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| Informatieverschaffing over brutomarge | nl | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |