| De nadere informatie over de brutomarge. | nl | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Offenlegung der Bruttomarge | de | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Disclosure of gross margin | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Publication de la marge brute | fr | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Informatieverschaffing over brutomarge | nl | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Offenlegung des Brutto-Betriebsergebnisses | de | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| Disclosure of gross operating result | en | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| Publication du résultat brut d'exploitation | fr | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| Informatieverschaffing over bruto-bedrijfsresultaat | nl | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |