v3.25.2
Operating Expenses - Summary of Operating Expenses (Details) - EUR (€)
€ in Thousands
 3 Months Ended 9 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Disclosure of attribution of expenses by nature to their function [line items]        
Total depreciation € (20,985) € (17,727) € (60,206) € (50,983)
Total amortization (7,211) (7,082) (21,395) (21,210)
Total personnel costs (97,655) (89,016) (290,437) (256,892)
Total impairment (54) 0 (153) 0
Cost of Sales        
Disclosure of attribution of expenses by nature to their function [line items]        
Total depreciation (7,427) (6,375) (20,861) (16,342)
Total amortization (86) (158) (194) (481)
Total personnel costs (54,250) (49,290) (163,515) (144,517)
Total impairment (54)   (54)  
Selling and Distribution Expenses        
Disclosure of attribution of expenses by nature to their function [line items]        
Total depreciation (11,098) (8,848) (31,881) (25,334)
Total amortization (6,440) (6,708) (20,018) (20,114)
Total personnel costs (29,464) (24,982) (85,457) (71,528)
Total impairment 0 0 (99) 0
General Administration Expenses        
Disclosure of attribution of expenses by nature to their function [line items]        
Total depreciation (2,460) (2,504) (7,464) (9,307)
Total amortization (685) (216) (1,183) (615)
Total personnel costs € (13,941) € (14,744) € (41,465) € (40,847)