v3.26.1
Intangible assets - Narrative (Details) - EUR (€)
€ in Thousands
Jun. 30, 2026
Dec. 31, 2025
Jun. 30, 2025
Disclosure of detailed information about intangible assets [line items]      
Goodwill € 562,130 € 554,086  
Intangible assets 562,130 554,086  
Brand      
Disclosure of detailed information about intangible assets [line items]      
Goodwill 157,916 € 153,131  
Intangible assets     € 157,916
Brand | Thom Browne segment      
Disclosure of detailed information about intangible assets [line items]      
Goodwill € 219,903