| De in de winst-en-verliesrekening verwerkte minimale leasebetalingen. | nl | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Leasingzahlungen aus Operating-Leasingverhältnissen während des Berichtszeitraums | de | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Lease payments from operating leases during the period | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Paiements de location provenant de contrats de location simple au cours de la période | fr | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Leasebetalingen van operationele leases gedurende de periode | nl | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Mindestleasingzahlungen während der Periode | de | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |
| Minimal lease payments during the period | en | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |
| Paiements de leasing minimaux au cours de l'exercice | fr | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |
| Minimale leasebetalingen gedurende de periode | nl | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |
| In der Periode, in der Gewinn- und Verlustrechnung verarbeitete, minimalen Leasing-Zahlungen | de | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| Minimal lease payments recorded in financial statement period | en | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| Paiements de leasing minimaux portés au compte de pertes et profits dans la période | fr | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| In de periode in de winst-en-verliesrekening verwerkte minimale leasebetalingen | nl | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |