Operating Expenses - Schedule of Operating Expenses (Details) - EUR (€) |
12 Months Ended | ||
|---|---|---|---|
Sep. 30, 2025 |
Sep. 30, 2024 |
Sep. 30, 2023 |
|
| Disclosure of attribution of expenses by nature to their function [line items] | |||
| Total depreciation | € (83,072,000) | € (72,164,000) | € (54,841,000) |
| Total amortization | (28,666,000) | (28,238,000) | (28,572,000) |
| Total personnel costs | (388,519,000) | (344,169,000) | (355,736,000) |
| Total impairment | 0 | 0 | |
| Total impairment | (1,802,000) | (890,000) | 0 |
| Cost of Sales | |||
| Disclosure of attribution of expenses by nature to their function [line items] | |||
| Total depreciation | (30,117,000) | (20,213,000) | (14,785,000) |
| Total amortization | (348,000) | (548,000) | (58,000) |
| Total personnel costs | (216,126,000) | (193,091,000) | (153,868,000) |
| Total impairment | (1,470,000) | (764,000) | 0 |
| Selling and Distribution Expenses | |||
| Disclosure of attribution of expenses by nature to their function [line items] | |||
| Total depreciation | (43,390,000) | (38,304,000) | (28,883,000) |
| Total amortization | (26,343,000) | (26,740,000) | (26,492,000) |
| Total personnel costs | (115,603,000) | (98,572,000) | (87,963,000) |
| Total impairment | (289,000) | (126,000) | 0 |
| General and Administrative Expenses | |||
| Disclosure of attribution of expenses by nature to their function [line items] | |||
| Total depreciation | (9,565,000) | (13,647,000) | (11,173,000) |
| Total amortization | (1,975,000) | (950,000) | (2,022,000) |
| Total personnel costs | (56,790,000) | (52,506,000) | (113,905,000) |
| Total impairment | € (43,000) | € 0 | € 0 |