v3.25.3
Intangible Assets - Carrying Value of Indefinite-Lived Intangibles (Details) - EUR (€)
€ in Thousands
Sep. 30, 2025
Sep. 30, 2024
Disclosure of intangible assets with indefinite useful life [line items]    
Indefinite-lived intangibles € 1,374,473 € 1,405,815
Americas    
Disclosure of intangible assets with indefinite useful life [line items]    
Indefinite-lived intangibles 724,750 760,768
EMEA    
Disclosure of intangible assets with indefinite useful life [line items]    
Indefinite-lived intangibles 506,598  
Europe    
Disclosure of intangible assets with indefinite useful life [line items]    
Indefinite-lived intangibles   485,557
ASPA    
Disclosure of intangible assets with indefinite useful life [line items]    
Indefinite-lived intangibles € 143,125 108,786
MEAI    
Disclosure of intangible assets with indefinite useful life [line items]    
Indefinite-lived intangibles   € 50,704