v3.24.0.1
Income Tax - Additional Information (Details)
12 Months Ended
Sep. 30, 2024
Sep. 30, 2023
Income Tax [Line items]
Estimated income tax rate
34.60%
Scenario Forecast
Income Tax [Line items]
Estimated income tax rate
34.40%
X
- Definition
Estimated income tax rate.
+ References
No definition available.
+ Details
Name:
birk_EstimatedIncomeTaxRate
Namespace Prefix:
birk_
Data Type:
dtr-types:percentItemType
Balance Type:
na
Period Type:
duration
X
- Definition
Income tax.
+ References
No definition available.
+ Details
Name:
birk_IncomeTaxLineItems
Namespace Prefix:
birk_
Data Type:
xbrli:stringItemType
Balance Type:
na
Period Type:
duration
X
- Details
Name:
srt_StatementScenarioAxis=srt_ScenarioForecastMember
Namespace Prefix:
Data Type:
na
Balance Type:
Period Type: