v3.25.2
Segment Information - Additional Information (Details) - Segment
3 Months Ended
9 Months Ended
Jun. 30, 2025
Jun. 30, 2025
Disclosure of operating segments [abstract]
Number of operating segment
4
Number of reportable segment
3
3
X
- Definition
Number of operating segment.
+ References
No definition available.
+ Details
Name:
birk_NumberOfOperatingSegment
Namespace Prefix:
birk_
Data Type:
xbrli:integerItemType
Balance Type:
na
Period Type:
duration
X
- Definition
Number of reportable segment.
+ References
No definition available.
+ Details
Name:
birk_NumberOfReportableSegment
Namespace Prefix:
birk_
Data Type:
xbrli:integerItemType
Balance Type:
na
Period Type:
duration
X
- References
No definition available.
+ Details
Name:
ifrs-full_DisclosureOfOperatingSegmentsAbstract
Namespace Prefix:
ifrs-full_
Data Type:
xbrli:stringItemType
Balance Type:
na
Period Type:
duration