v3.26.1
Document and Entity Information
6 Months Ended
Mar. 31, 2026
Document Information [Line Items]  
Document Type 6-K
Amendment Flag false
Document Period End Date Mar. 31, 2026
Document Fiscal Year Focus 2026
Document Fiscal Period Focus Q2
Entity Registrant Name Birkenstock Holding plc
Entity Central Index Key 0001977102
Current Fiscal Year End Date --09-30
Entity File Number 001-41836