Statement Of Cash Flows [Abstract]
| Concept | 2024-01-01 to 2024-12-31 | 2024-01-01 to 2024-12-31 | As at 2024-12-31 | 2024-01-01 to 2024-12-31 | 2024-01-01 to 2024-12-31 | 2023-01-01 to 2023-12-31 | As at 2023-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | As at 2022-12-31 | 
|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of cash flows [abstract] | |||||||||||
| Cash flows from (used in) operating activities [abstract] | |||||||||||
| Profit (loss) | 
                                                23,276
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | 
                                                239,531
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — | 
                                                216,255
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | 
                                                216,255
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | 
                                                188,569
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — | 
                                                20,131
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | 
                                                168,438
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | 
                                                168,438
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — | 
| Adjustments to reconcile profit (loss) [abstract] | |||||||||||
| Adjustments for finance costs | — | 
                                                15,158
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — | — | — | 
                                                4,238
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — | — | — | — | — | 
| Adjustments for decrease (increase) in inventories | — | 
                                                7,089,000
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — | — | — | 
                                                3,397,000
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — | — | — | — | — | 
| Adjustments for decrease (increase) in other operating receivables | — | 
                                                7,135,000
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — | — | — | 
                                                6,226,000
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — | — | — | — | — | 
| Adjustments for increase (decrease) in other operating payables | — | 
                                                7,823
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — | — | — | 
                                                2,042
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — | — | — | — | — | 
| Adjustments for depreciation and amortisation expense | — | 
                                                135,784
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — | — | — | 
                                                131,750
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — | — | — | — | — | 
| Adjustments for impairment loss (reversal of impairment loss) recognised in profit or loss | — | 
                                                3,583,000
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — | — | — | 
                                                0
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — | — | — | — | — | 
| Adjustments for provisions | — | 
                                                61,634
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — | — | — | 
                                                41,054
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — | — | — | — | — | 
| Adjustments for fair value losses (gains) | — | 
                                                3,855,000
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — | — | — | 
                                                1,571
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — | — | — | — | — | 
| Adjustments for undistributed profits of associates | — | 
                                                2,004
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — | — | — | 
                                                8,412,000
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — | — | — | — | — | 
| Adjustments for losses (gains) on disposal of non-current assets | — | 
                                                1,683,000
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — | — | — | 
                                                796,000
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — | — | — | — | — | 
| Cash flows from (used in) operations | — | 
                                                525,245
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — | — | — | 
                                                419,851
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — | — | — | — | — | 
| Dividends received, classified as operating activities | — | 
                                                7,686,000
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — | — | — | 
                                                4,098,000
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — | — | — | — | — | 
| Interest paid, classified as operating activities | — | 
                                                2,189
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — | — | — | 
                                                11,932
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — | — | — | — | — | 
| Interest received, classified as operating activities | — | 
                                                18,081
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — | — | — | 
                                                9,012
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — | — | — | — | — | 
| Income taxes paid (refund), classified as operating activities | — | 
                                                81,575
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — | — | — | 
                                                35,075
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — | — | — | — | — | 
| Cash flows from (used in) operating activities | — | 
                                                443,669
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — | — | — | 
                                                384,776
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — | — | — | — | — | 
| Cash flows from (used in) investing activities [abstract] | |||||||||||
| Proceeds from sales of property, plant and equipment, classified as investing activities | — | 
                                                8,766,000
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — | — | — | 
                                                7,164,000
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — | — | — | — | — | 
| Purchase of property, plant and equipment, classified as investing activities | — | 
                                                169,813
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — | — | — | 
                                                97,809
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — | — | — | — | — | 
| Cash payments for futures contracts, forward contracts, option contracts and swap contracts, classified as investing activities | — | 
                                                494,408
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — | — | — | 
                                                343,000
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — | — | — | — | — | 
| Cash flows from (used in) investing activities | — | 
                                                329,445
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — | — | — | 
                                                156,591
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — | — | — | — | — | 
| Cash flows from (used in) financing activities [abstract] | |||||||||||
| Proceeds from borrowings, classified as financing activities | — | 
                                                0
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — | — | — | 
                                                5,000
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — | — | — | — | — | 
| Repayments of borrowings, classified as financing activities | — | 
                                                5,000
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — | — | — | 
                                                225,000
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — | — | — | — | — | 
| Payments of lease liabilities, classified as financing activities | — | 
                                                779,000
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — | — | — | 
                                                527,000
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — | — | — | — | — | 
| Dividends paid, classified as financing activities | — | 
                                                110,715
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — | — | — | 
                                                64,584
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — | — | — | — | — | 
| Cash flows from (used in) financing activities | — | 
                                                124,040
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — | — | — | 
                                                301,500
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — | — | — | — | — | 
| Increase (decrease) in cash and cash equivalents before effect of exchange rate changes | — | 
                                                9,816
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — | — | — | 
                                                73,315
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — | — | — | — | — | 
| Cash and cash equivalents | — | — | 
                                                22,088
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — | — | — | 
                                                31,904
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — | — | — | 
                                                105,219
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             |