v3.25.0.1
Other Intangible Assets and Goodwill - Goodwill (Details) - EUR (€)
€ in Millions
12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]    
Beginning balance € 804.1  
Ending balance 790.4 € 804.1
Gross carrying amount    
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]    
Beginning balance 921.0 235.4
Currency differences 11.1 (3.6)
Acquisition of subsidiaries and businesses   187.4
Ending balance 1,044.4 921.0
Gross carrying amount | Goodwill    
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]    
Beginning balance 362.5 61.2
Currency differences 18.1 (5.6)
Acquisition of subsidiaries and businesses 0.0 306.9
Ending balance € 380.6 € 362.5