v3.26.1
Inventories - Additional Information (Details) - EUR (€)
€ in Millions
3 Months Ended 6 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Mar. 31, 2026
Mar. 31, 2025
Disclosure Of Inventories [line items]        
Inventories expenses recognised as during period € 197.3 € 163.2 € 293.3 € 231.2
Cost of Sales        
Disclosure Of Inventories [line items]        
Reversal of inventory write-down € (1.7)      
Inventory write-down   € 5.8 € 4.7 € 8.8