| De netto-omzet van het geografisch gebied. | nl | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Nettoumsatz, geographisch segmentiert | de | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Net revenue segmented by geography | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Recettes nettes segmentées par situation géographique | fr | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Netto-omzet gesegmenteerd per geografisch gebied | nl | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Nettoumsatz nach Geographie | de | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |
| Net revenue by geography | en | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |
| Recettes nettes par situation géographique | fr | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |
| Netto-omzet per geografisch gebied | nl | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |