Tax Receivable Agreement - Additional Information (Details) € in Thousands, $ in Millions |
May 30, 2025
shares
|
Oct. 10, 2023
EUR (€)
shares
|
Oct. 10, 2023
USD ($)
shares
|
Jun. 30, 2025
EUR (€)
|
Sep. 30, 2024
EUR (€)
|
|---|---|---|---|---|---|
| Tax Receivable Agreement [Line Items] | |||||
| Payments to the tax receivable agreement (tra) | 85.00% | 85.00% | |||
| Benefit of the remaining applicable tax savings | 15.00% | 15.00% | |||
| Future payments expected to be made under Tax Receivable Agreement | € 298,900 | $ 239.4 | |||
| Future expected period of payment to be made under tax receivable agreement | 12 years | 12 years | |||
| TRA liability current | € 33,441 | € 15,300 | |||
| Carrying Value | |||||
| Tax Receivable Agreement [Line Items] | |||||
| TRA liability | 364,200 | 359,900 | |||
| TRA liability current | € 33,400 | 15,300 | |||
| Level 3 | Fair Value | |||||
| Tax Receivable Agreement [Line Items] | |||||
| TRA liability | € 355,800 | € 343,600 | |||
| Ordinary Shares | |||||
| Tax Receivable Agreement [Line Items] | |||||
| Shares repurchased of ordinary shares | shares | 3,927,344 | 5,648,465 | 5,648,465 |