v3.26.1
Impairment testing of intangible assets with indefinite useful lives - Additional information (Details)
€ in Thousands
 12 Months Ended
Dec. 31, 2025
EUR (€)
Impairment testing of intangible assets with indefinite useful lives  
Description of discounted cash flow model 10-year cash flow model
Impairment of goodwill € 14,723
Impairment losses € 52,007
Lanvin | WACC  
Impairment testing of intangible assets with indefinite useful lives  
Possible increase in unobservable input assets 0.10
Possible decrease in unobservable input assets 0.10
Increase In impairment due to reasonably possible increase in unobservable input assets € 1,798
Decrease In impairment due to reasonably possible increase in unobservable input assets € 1,798
Lanvin | Long-term growth rate  
Impairment testing of intangible assets with indefinite useful lives  
Possible increase in unobservable input assets 0.10
Possible decrease in unobservable input assets 0.10
Increase In impairment due to reasonably possible increase in unobservable input assets € 800
Decrease In impairment due to reasonably possible increase in unobservable input assets € 800
Other brands | WACC  
Impairment testing of intangible assets with indefinite useful lives  
Possible increase in unobservable input assets 0.10
Possible decrease in unobservable input assets 0.10
Other brands | Long-term growth rate  
Impairment testing of intangible assets with indefinite useful lives  
Possible increase in unobservable input assets 0.10