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Other current and non-current financial liabilities - Additional Information (Details) € in Thousands | 1 Months Ended | 6 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
Jun. 30, 2021 EUR (€) | Jun. 30, 2025 EUR (€) | Dec. 31, 2025 EUR (€) tranche | Dec. 31, 2024 EUR (€) tranche | Dec. 31, 2023 EUR (€) tranche | Dec. 31, 2021 EUR (€)
Disclosure Of Other NonCurrent Financial Liabilities [Line Items] |  |  |  |  |  |
Number of tranches for the right to exercise a sale option | tranche |  |  | 3 | 3 | 3 |
Consideration paid in cash |  |  | € 0 | € 19,307 | € 117,686 |
Written put options on non-controlling interests |  |  | 105,632 | 146,338 |  |
Thom Browne non-controlling interest shareholders | Non-controlling interests options reserve |  |  |  |  |  |
Disclosure Of Other NonCurrent Financial Liabilities [Line Items] |  |  |  |  |  |
Other reserves |  |  | € 92,788 | 92,788 |  | € 162,066
Thom Browne segment |  |  |  |  |  |
Disclosure Of Other NonCurrent Financial Liabilities [Line Items] |  |  |  |  |  |
Proportion of ownership interests held by non-controlling interests |  |  | 8.00% |  |  |
Consideration paid in cash |  | € 22,752 |  |  |  |
Group’s percentage interest |  | 92.00% |  |  |  |
Written put options on non controlling interests, current |  | € 22,752 |  |  |  |
Other changes |  | € 3,697 |  |  |  |
Written put options on non-controlling interests |  |  | € 90,295 | 127,072 |  |
Thom Browne segment | Tranche one |  |  |  |  |  |
Disclosure Of Other NonCurrent Financial Liabilities [Line Items] |  |  |  |  |  |
Proportion of ownership interests held by non-controlling interests |  |  | 5.00% |  |  |
Thom Browne segment | Tranche two |  |  |  |  |  |
Disclosure Of Other NonCurrent Financial Liabilities [Line Items] |  |  |  |  |  |
Proportion of ownership interests held by non-controlling interests |  |  | 3.00% |  |  |
Thom Browne segment | Thom Browne |  |  |  |  |  |
Disclosure Of Other NonCurrent Financial Liabilities [Line Items] |  |  |  |  |  |
Percentage of additional interest acquired in subsidiary | 5.00% |  |  |  |  |
Consideration paid in cash | € 30,653 |  |  |  |  |
Thom Browne segment | Written put options |  |  |  |  |  |
Disclosure Of Other NonCurrent Financial Liabilities [Line Items] |  |  |  |  |  |
Proportion of ownership interests held by non-controlling interests | 10.00% |  | 15.00% |  |  |
Percentage of additional interest acquired in subsidiary |  | 2.00% |  |  |  |
Thom Browne segment | MrThom Browne | Written put options |  |  |  |  |  |
Disclosure Of Other NonCurrent Financial Liabilities [Line Items] |  |  |  |  |  |
Number of tranches for the right to exercise a sale option | tranche |  |  | 2 |  |  |
Thom Browne segment | MrThom Browne | Written put options | Tranche one |  |  |  |  |  |
Disclosure Of Other NonCurrent Financial Liabilities [Line Items] |  |  |  |  |  |
Proportion of ownership interests held by non-controlling interests |  |  | 5.00% |  |  |
Thom Browne segment | MrThom Browne | Written put options | Tranche two |  |  |  |  |  |
Disclosure Of Other NonCurrent Financial Liabilities [Line Items] |  |  |  |  |  |
Proportion of ownership interests held by non-controlling interests |  |  | 3.00% |  |  |
Dondi |  |  |  |  |  |
Disclosure Of Other NonCurrent Financial Liabilities [Line Items] |  |  |  |  |  |
Written put options on non-controlling interests |  |  | € 15,337 | € 19,266 |  |
Dondi | Written put options |  |  |  |  |  |
Disclosure Of Other NonCurrent Financial Liabilities [Line Items] |  |  |  |  |  |
Proportion of ownership interests held by non-controlling interests |  |  | 35.00% |  |  |
Number of tranches for the right to exercise a sale option | tranche |  |  | 2 |  |  |

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