v3.26.1
Income taxes - Narrative (Details) - EUR (€)
€ in Thousands
6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Disclosure of transactions between related parties [line items]    
Tax expense € 18,052 € 20,116
Italian corporate income tax expense (IRES) 16,409 18,826
Italian regional income tax expense (IRAP) € 1,643 € 1,290
Average effective tax rate 38.80% 29.60%
Tax expense (income), increase in tax rate to non-deductible costs € 3,877 € 28,266
Parent Company    
Disclosure of transactions between related parties [line items]    
Applicable IRAP rate 5.60% 5.60%
Other Italian Entities    
Disclosure of transactions between related parties [line items]    
Applicable IRAP rate 3.90% 3.90%