Share-based Compensation (Tables) |
9 Months Ended | ||||||||||||||||||||||||||||||||||||||||||||
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Jun. 30, 2025 | |||||||||||||||||||||||||||||||||||||||||||||
| Disclosure of terms and conditions of share-based payment arrangement [abstract] | |||||||||||||||||||||||||||||||||||||||||||||
| Summary of Fair Value At Grant Date Estimate Using Discounted Cash Flow Model and Black-Scholes Option Pricing Model | The fair value at grant date was estimated using a DCF model and then a Black-Scholes option pricing model, weighted for the assigned probability of each exit event date scenario. The model takes into account, among other things, a self-investment as well as the potential development of Birkenstock's ordinary redeemable share price. The historical volatility was derived from a peer group. The ordinary redeemable share price of €72.23 was determined based on the following assumptions:
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