Other current and non-current financial liabilities - Schedule of Breakdown for Other Non-Current Financial Liabilities (Details) - EUR (€) € in Thousands	Dec. 31, 2025	Dec. 31, 2024
Disclosure Of Other NonCurrent Financial Liabilities [Line Items]
Written put options on non-controlling interests	€ 105,632	€ 146,338
Other	0	110
Other non-current financial liabilities	105,632	146,448
Thom Browne segment
Disclosure Of Other NonCurrent Financial Liabilities [Line Items]
Written put options on non-controlling interests	90,295	127,072
Dondi
Disclosure Of Other NonCurrent Financial Liabilities [Line Items]
Written put options on non-controlling interests	€ 15,337	€ 19,266

The amount of non-current financial liabilities that the entity does not separately disclose in the same statement or note. [Refer: Other financial liabilities]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 12
-IssueDate 2025-01-01
-Paragraph B13
-Subparagraph c
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2025-en-r&anchor=para_B13_c&doctype=Appendix&subtype=B
-URIDate 2025-03-27

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Note Expiry date 2027-01-01
-Name IAS
-Number 1
-IssueDate 2025-01-01
-Paragraph 54
-Subparagraph m
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_54_m&doctype=Standard
-URIDate 2025-03-27

Name:	ifrs-full_OtherNoncurrentFinancialLiabilities
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant