| Fact | Value | Period | Source |
|---|
| cash_and_equivalents | {"amount": 132717000.0, "concept": "ifrs-full:CashAndCashEquivalents"} | 2024-12-31 | esef |
| cash_and_equivalents | {"amount": 191393000.0, "concept": "ifrs-full:CashAndCashEquivalents"} | 2023-12-31 | esef |
| cash_and_equivalents | {"amount": 39782000.0, "concept": "ifrs-full:CashAndCashEquivalents"} | 2022-12-31 | esef |
| cash_and_equivalents | {"amount": 118367000.0, "concept": "ifrs-full:CashAndCashEquivalents"} | 2021-12-31 | esef |
| cash_and_equivalents | {"amount": 79255000.0, "concept": "ifrs-full:CashAndCashEquivalents"} | 2020-12-31 | esef |
| cashflow_financing | {"amount": 16075000.0, "concept": "ifrs-full:CashFlowsFromUsedInFinancingActivities"} | 2022-12-31 | esef |
| cashflow_financing | {"amount": -339272000.0, "concept": "ifrs-full:CashFlowsFromUsedInFinancingActivities"} | 2023-12-31 | esef |
| cashflow_financing | {"amount": -26475000.0, "concept": "ifrs-full:CashFlowsFromUsedInFinancingActivities"} | 2024-12-31 | esef |
| cashflow_financing | {"amount": 163760000.0, "concept": "ifrs-full:CashFlowsFromUsedInFinancingActivities"} | 2021-12-31 | esef |
| cashflow_financing | {"amount": -139674000.0, "concept": "ifrs-full:CashFlowsFromUsedInFinancingActivities"} | 2020-12-31 | esef |
| cashflow_investing | {"amount": 418680000.0, "concept": "ifrs-full:CashFlowsFromUsedInInvestingActivities"} | 2023-12-31 | esef |
| cashflow_investing | {"amount": -55082000.0, "concept": "ifrs-full:CashFlowsFromUsedInInvestingActivities"} | 2024-12-31 | esef |
| cashflow_investing | {"amount": -107252000.0, "concept": "ifrs-full:CashFlowsFromUsedInInvestingActivities"} | 2022-12-31 | esef |
| cashflow_investing | {"amount": -233500000.0, "concept": "ifrs-full:CashFlowsFromUsedInInvestingActivities"} | 2021-12-31 | esef |
| cashflow_investing | {"amount": 165669000.0, "concept": "ifrs-full:CashFlowsFromUsedInInvestingActivities"} | 2020-12-31 | esef |
| cashflow_operating | {"amount": 36653000.0, "concept": "ifrs-full:CashFlowsFromUsedInOperatingActivities"} | 2022-12-31 | esef |
| cashflow_operating | {"amount": 46892000.0, "concept": "ifrs-full:CashFlowsFromUsedInOperatingActivities"} | 2023-12-31 | esef |
| cashflow_operating | {"amount": 22102000.0, "concept": "ifrs-full:CashFlowsFromUsedInOperatingActivities"} | 2024-12-31 | esef |
| cashflow_operating | {"amount": 112724000.0, "concept": "ifrs-full:CashFlowsFromUsedInOperatingActivities"} | 2021-12-31 | esef |
| cashflow_operating | {"amount": 3146000.0, "concept": "ifrs-full:CashFlowsFromUsedInOperatingActivities"} | 2020-12-31 | esef |
| current_assets | {"amount": 306799000.0, "concept": "ifrs-full:CurrentAssets"} | 2024-12-31 | esef |
| current_assets | {"amount": 339907000.0, "concept": "ifrs-full:CurrentAssets"} | 2023-12-31 | esef |
| current_assets | {"amount": 746452000.0, "concept": "ifrs-full:CurrentAssets"} | 2022-12-31 | esef |
| current_assets | {"amount": 534855000.0, "concept": "ifrs-full:CurrentAssets"} | 2021-12-31 | esef |
| current_assets | {"amount": 333665000.0, "concept": "ifrs-full:CurrentAssets"} | 2020-12-31 | esef |
| current_liabilities | {"amount": 144493000.0, "concept": "ifrs-full:CurrentLiabilities"} | 2024-12-31 | esef |
| current_liabilities | {"amount": 131256000.0, "concept": "ifrs-full:CurrentLiabilities"} | 2023-12-31 | esef |
| current_liabilities | {"amount": 378042000.0, "concept": "ifrs-full:CurrentLiabilities"} | 2022-12-31 | esef |
| current_liabilities | {"amount": 358546000.0, "concept": "ifrs-full:CurrentLiabilities"} | 2021-12-31 | esef |
| current_liabilities | {"amount": 210031000.0, "concept": "ifrs-full:CurrentLiabilities"} | 2020-12-31 | esef |
| entity_legal_form | {"value": "R85P", "elf_code": "R85P"} | | gleif |
| eps_basic | {"amount": 0.06, "concept": "ifrs-full:BasicEarningsLossPerShare"} | 2023-12-31 | esef |
| eps_basic | {"amount": 0.32, "concept": "ifrs-full:BasicEarningsLossPerShare"} | 2024-12-31 | esef |
| eps_basic | {"amount": 1.13, "concept": "ifrs-full:BasicEarningsLossPerShare"} | 2022-12-31 | esef |
| headquarters_address | {"city": "BRUSSELS", "region": "BE-BRU", "street": "AVENUE DU BOURGET 42", "country": "BE" | | gleif |
| ifrs:AdjustedWeightedAverageShares | {"amount": 56511223.0} | 2023-12-31 | esef |
| ifrs:AdjustedWeightedAverageShares | {"amount": 56475310.0} | 2024-12-31 | esef |
| ifrs:AdjustedWeightedAverageShares | {"amount": 56686814.0} | 2022-12-31 | esef |
| ifrs:AdjustedWeightedAverageShares | {"amount": 56282863.0} | 2021-12-31 | esef |
| ifrs:AdjustedWeightedAverageShares | {"amount": 55381032.0} | 2020-12-31 | esef |
| ifrs:AdjustmentsForAmortisationExpense | {"amount": 7596000.0} | 2023-12-31 | esef |
| ifrs:AdjustmentsForAmortisationExpense | {"amount": 9727000.0} | 2024-12-31 | esef |
| ifrs:AdjustmentsForAmortisationExpense | {"amount": 5363000.0} | 2022-12-31 | esef |
| ifrs:AdjustmentsForAmortisationExpense | {"amount": 4790000.0} | 2021-12-31 | esef |
| ifrs:AdjustmentsForAmortisationExpense | {"amount": 1543000.0} | 2020-12-31 | esef |
| ifrs:AdjustmentsForDecreaseIncreaseInInventories | {"amount": 12060000.0} | 2023-12-31 | esef |
| ifrs:AdjustmentsForDecreaseIncreaseInInventories | {"amount": -311000.0} | 2024-12-31 | esef |
| ifrs:AdjustmentsForDecreaseIncreaseInInventories | {"amount": 3478000.0} | 2022-12-31 | esef |
| ifrs:AdjustmentsForDecreaseIncreaseInInventories | {"amount": -12900000.0} | 2021-12-31 | esef |
| ifrs:AdjustmentsForDecreaseIncreaseInInventories | {"amount": -4753000.0} | 2020-12-31 | esef |
| ifrs:AdjustmentsForDecreaseIncreaseInOtherOperatingReceivables | {"amount": 44948000.0} | 2021-12-31 | esef |
| ifrs:AdjustmentsForDecreaseIncreaseInOtherOperatingReceivables | {"amount": -1074000.0} | 2020-12-31 | esef |
| ifrs:AdjustmentsForDecreaseIncreaseInTradeAccountReceivable | {"amount": -16338000.0} | 2021-12-31 | esef |
| ifrs:AdjustmentsForDecreaseIncreaseInTradeAccountReceivable | {"amount": -60869000.0} | 2020-12-31 | esef |
| ifrs:AdjustmentsForDecreaseIncreaseInTradeAndOtherReceivables | {"amount": -7194000.0} | 2023-12-31 | esef |
| ifrs:AdjustmentsForDecreaseIncreaseInTradeAndOtherReceivables | {"amount": -14813000.0} | 2024-12-31 | esef |
| ifrs:AdjustmentsForDecreaseIncreaseInTradeAndOtherReceivables | {"amount": -2378000.0} | 2022-12-31 | esef |
| ifrs:AdjustmentsForDepreciationExpense | {"amount": 15652000.0} | 2023-12-31 | esef |
| ifrs:AdjustmentsForDepreciationExpense | {"amount": 20952000.0} | 2024-12-31 | esef |
| ifrs:AdjustmentsForDepreciationExpense | {"amount": 15228000.0} | 2022-12-31 | esef |
| ifrs:AdjustmentsForDepreciationExpense | {"amount": 38082000.0} | 2021-12-31 | esef |
| ifrs:AdjustmentsForDepreciationExpense | {"amount": 25828000.0} | 2020-12-31 | esef |
| ifrs:AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment | {"amount": 293000.0} | 2023-12-31 | esef |
| ifrs:AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment | {"amount": 394000.0} | 2024-12-31 | esef |
| ifrs:AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment | {"amount": 1047000.0} | 2022-12-31 | esef |
| ifrs:AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment | {"amount": 0.0} | 2021-12-31 | esef |
| ifrs:AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment | {"amount": 2254000.0} | 2020-12-31 | esef |
| ifrs:AdjustmentsForIncreaseDecreaseInOtherOperatingPayables | {"amount": -9036000.0} | 2021-12-31 | esef |
| ifrs:AdjustmentsForIncreaseDecreaseInOtherOperatingPayables | {"amount": 19440000.0} | 2020-12-31 | esef |
| ifrs:AdjustmentsForIncreaseDecreaseInTradeAccountPayable | {"amount": 30310000.0} | 2020-12-31 | esef |
| ifrs:AdjustmentsForIncreaseDecreaseInTradeAccountPayable | {"amount": 32772000.0} | 2021-12-31 | esef |
| ifrs:AdjustmentsForIncreaseDecreaseInTradeAndOtherPayables | {"amount": -28889000.0} | 2022-12-31 | esef |
| ifrs:AdjustmentsForIncreaseDecreaseInTradeAndOtherPayables | {"amount": 3884000.0} | 2023-12-31 | esef |
| ifrs:AdjustmentsForIncreaseDecreaseInTradeAndOtherPayables | {"amount": 1599000.0} | 2024-12-31 | esef |
| ifrs:AdjustmentsForLossesGainsOnDisposalOfNoncurrentAssets | {"amount": -18000.0} | 2023-12-31 | esef |
| ifrs:AdjustmentsForLossesGainsOnDisposalOfNoncurrentAssets | {"amount": -260000.0} | 2024-12-31 | esef |
| ifrs:AdjustmentsForLossesGainsOnDisposalOfNoncurrentAssets | {"amount": -532000.0} | 2022-12-31 | esef |
| ifrs:AdjustmentsForLossesGainsOnDisposalOfNoncurrentAssets | {"amount": -2614000.0} | 2021-12-31 | esef |
| ifrs:AdjustmentsForLossesGainsOnDisposalOfNoncurrentAssets | {"amount": -130000.0} | 2020-12-31 | esef |
| ifrs:AdjustmentsForProvisions | {"amount": 8210000.0} | 2020-12-31 | esef |
| ifrs:AdjustmentsForProvisions | {"amount": -3121000.0} | 2023-12-31 | esef |
| ifrs:AdjustmentsForProvisions | {"amount": -3632000.0} | 2024-12-31 | esef |
| ifrs:AdjustmentsForProvisions | {"amount": 2197000.0} | 2022-12-31 | esef |
| ifrs:AdjustmentsForProvisions | {"amount": -5376000.0} | 2021-12-31 | esef |
| ifrs:AdjustmentsForUndistributedProfitsOfAssociates | {"amount": 704000.0} | 2020-12-31 | esef |
| ifrs:AdjustmentsForUndistributedProfitsOfAssociates | {"amount": 371000.0} | 2021-12-31 | esef |
| ifrs:Assets | {"amount": 701670000.0} | 2024-12-31 | esef |
| ifrs:Assets | {"amount": 659954000.0} | 2023-12-31 | esef |
| ifrs:Assets | {"amount": 1074878000.0} | 2022-12-31 | esef |
| ifrs:Assets | {"amount": 1055739000.0} | 2021-12-31 | esef |
| ifrs:Assets | {"amount": 698757000.0} | 2020-12-31 | esef |
| ifrs:BasicAndDilutedEarningsLossPerShare | {"amount": 1.14} | 2020-12-31 | esef |
| ifrs:BasicAndDilutedEarningsLossPerShare | {"amount": 0.98} | 2021-12-31 | esef |
| ifrs:BasicAndDilutedEarningsLossPerShareFromContinuingOperations | {"amount": 0.89} | 2021-12-31 | esef |
| ifrs:BasicAndDilutedEarningsLossPerShareFromContinuingOperations | {"amount": -0.15} | 2020-12-31 | esef |
| ifrs:BasicAndDilutedEarningsLossPerShareFromDiscontinuedOperations | {"amount": 0.09} | 2021-12-31 | esef |
| ifrs:BasicAndDilutedEarningsLossPerShareFromDiscontinuedOperations | {"amount": 1.29} | 2020-12-31 | esef |
| ifrs:BasicEarningsLossPerShare | {"amount": 0.06} | 2023-12-31 | esef |
| ifrs:BasicEarningsLossPerShare | {"amount": 0.32} | 2024-12-31 | esef |
| ifrs:BasicEarningsLossPerShare | {"amount": 1.13} | 2022-12-31 | esef |
| ifrs:BasicEarningsLossPerShareFromContinuingOperations | {"amount": -0.16} | 2023-12-31 | esef |
| ifrs:BasicEarningsLossPerShareFromContinuingOperations | {"amount": 0.29} | 2024-12-31 | esef |
| ifrs:BasicEarningsLossPerShareFromContinuingOperations | {"amount": 0.24} | 2022-12-31 | esef |
| ifrs:BasicEarningsLossPerShareFromContinuingOperations | {"amount": 0.89} | 2021-12-31 | esef |
| ifrs:BasicEarningsLossPerShareFromContinuingOperations | {"amount": -0.15} | 2020-12-31 | esef |
| ifrs:BasicEarningsLossPerShareFromDiscontinuedOperations | {"amount": 0.22} | 2023-12-31 | esef |
| ifrs:BasicEarningsLossPerShareFromDiscontinuedOperations | {"amount": 0.03} | 2024-12-31 | esef |
| ifrs:BasicEarningsLossPerShareFromDiscontinuedOperations | {"amount": 0.88} | 2022-12-31 | esef |
| ifrs:BasicEarningsLossPerShareFromDiscontinuedOperations | {"amount": 0.09} | 2021-12-31 | esef |
| ifrs:BasicEarningsLossPerShareFromDiscontinuedOperations | {"amount": 1.29} | 2020-12-31 | esef |
| ifrs:CashAdvancesAndLoansMadeToOtherPartiesClassifiedAsInvestingActivities | {"amount": 1244000.0} | 2023-12-31 | esef |
| ifrs:CashAdvancesAndLoansMadeToOtherPartiesClassifiedAsInvestingActivities | {"amount": 94000.0} | 2024-12-31 | esef |
| ifrs:CashAdvancesAndLoansMadeToOtherPartiesClassifiedAsInvestingActivities | {"amount": 882000.0} | 2022-12-31 | esef |
| ifrs:CashAdvancesAndLoansMadeToOtherPartiesClassifiedAsInvestingActivities | {"amount": 670000.0} | 2021-12-31 | esef |
| ifrs:CashAdvancesAndLoansMadeToOtherPartiesClassifiedAsInvestingActivities | {"amount": 26099000.0} | 2020-12-31 | esef |
| ifrs:CashAndCashEquivalents | {"amount": 132717000.0} | 2024-12-31 | esef |
| ifrs:CashAndCashEquivalents | {"amount": 191393000.0} | 2023-12-31 | esef |
| ifrs:CashAndCashEquivalents | {"amount": 39782000.0} | 2022-12-31 | esef |
| ifrs:CashAndCashEquivalents | {"amount": 118367000.0} | 2021-12-31 | esef |
| ifrs:CashAndCashEquivalents | {"amount": 79255000.0} | 2020-12-31 | esef |
| ifrs:CashAndCashEquivalentsIfDifferentFromStatementOfFinancialPosition | {"amount": 125718000.0} | 2021-12-31 | esef |
| ifrs:CashAndCashEquivalentsIfDifferentFromStatementOfFinancialPosition | {"amount": 79255000.0} | 2020-12-31 | esef |
| ifrs:CashAndCashEquivalentsIfDifferentFromStatementOfFinancialPosition | {"amount": 48479000.0} | 2019-12-31 | esef |
| ifrs:CashFlowsFromUsedInFinancingActivities | {"amount": -26475000.0} | 2024-12-31 | esef |
| ifrs:CashFlowsFromUsedInFinancingActivities | {"amount": -339272000.0} | 2023-12-31 | esef |
| ifrs:CashFlowsFromUsedInFinancingActivities | {"amount": 16075000.0} | 2022-12-31 | esef |
| ifrs:CashFlowsFromUsedInFinancingActivities | {"amount": 163760000.0} | 2021-12-31 | esef |
| ifrs:CashFlowsFromUsedInFinancingActivities | {"amount": -139674000.0} | 2020-12-31 | esef |
| ifrs:CashFlowsFromUsedInFinancingActivitiesDiscontinuedOperations | {"amount": -6645000.0} | 2023-12-31 | esef |
| ifrs:CashFlowsFromUsedInFinancingActivitiesDiscontinuedOperations | {"amount": 0.0} | 2024-12-31 | esef |
| ifrs:CashFlowsFromUsedInFinancingActivitiesDiscontinuedOperations | {"amount": -10563000.0} | 2022-12-31 | esef |
| ifrs:CashFlowsFromUsedInFinancingActivitiesDiscontinuedOperations | {"amount": -3018000.0} | 2021-12-31 | esef |
| ifrs:CashFlowsFromUsedInFinancingActivitiesDiscontinuedOperations | {"amount": 1803000.0} | 2020-12-31 | esef |
| ifrs:CashFlowsFromUsedInInvestingActivities | {"amount": 418680000.0} | 2023-12-31 | esef |
| ifrs:CashFlowsFromUsedInInvestingActivities | {"amount": -55082000.0} | 2024-12-31 | esef |
| ifrs:CashFlowsFromUsedInInvestingActivities | {"amount": -107252000.0} | 2022-12-31 | esef |
| ifrs:CashFlowsFromUsedInInvestingActivities | {"amount": -233500000.0} | 2021-12-31 | esef |
| ifrs:CashFlowsFromUsedInInvestingActivities | {"amount": 165669000.0} | 2020-12-31 | esef |
| ifrs:CashFlowsFromUsedInInvestingActivitiesDiscontinuedOperations | {"amount": -4141000.0} | 2023-12-31 | esef |
| ifrs:CashFlowsFromUsedInInvestingActivitiesDiscontinuedOperations | {"amount": 0.0} | 2024-12-31 | esef |
| ifrs:CashFlowsFromUsedInInvestingActivitiesDiscontinuedOperations | {"amount": -32846000.0} | 2022-12-31 | esef |
| ifrs:CashFlowsFromUsedInInvestingActivitiesDiscontinuedOperations | {"amount": -5470000.0} | 2021-12-31 | esef |
| ifrs:CashFlowsFromUsedInInvestingActivitiesDiscontinuedOperations | {"amount": -7238000.0} | 2020-12-31 | esef |
| ifrs:CashFlowsFromUsedInOperatingActivities | {"amount": 46892000.0} | 2023-12-31 | esef |
| ifrs:CashFlowsFromUsedInOperatingActivities | {"amount": 22102000.0} | 2024-12-31 | esef |
| ifrs:CashFlowsFromUsedInOperatingActivities | {"amount": 36653000.0} | 2022-12-31 | esef |
| ifrs:CashFlowsFromUsedInOperatingActivities | {"amount": 112724000.0} | 2021-12-31 | esef |
| ifrs:CashFlowsFromUsedInOperatingActivities | {"amount": 3146000.0} | 2020-12-31 | esef |
| ifrs:CashFlowsFromUsedInOperatingActivitiesDiscontinuedOperations | {"amount": 10887000.0} | 2023-12-31 | esef |
| ifrs:CashFlowsFromUsedInOperatingActivitiesDiscontinuedOperations | {"amount": 0.0} | 2024-12-31 | esef |
| ifrs:CashFlowsFromUsedInOperatingActivitiesDiscontinuedOperations | {"amount": 6539000.0} | 2022-12-31 | esef |
| ifrs:CashFlowsFromUsedInOperatingActivitiesDiscontinuedOperations | {"amount": 3796000.0} | 2021-12-31 | esef |
| ifrs:CashFlowsFromUsedInOperatingActivitiesDiscontinuedOperations | {"amount": -24603000.0} | 2020-12-31 | esef |
| ifrs:CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital | {"amount": 35581000.0} | 2023-12-31 | esef |
| ifrs:CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital | {"amount": 39980000.0} | 2024-12-31 | esef |
| ifrs:CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital | {"amount": 63981000.0} | 2022-12-31 | esef |
| ifrs:CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital | {"amount": 77576000.0} | 2021-12-31 | esef |
| ifrs:CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital | {"amount": 48048000.0} | 2020-12-31 | esef |
| ifrs:CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities | {"amount": 154636000.0} | 2022-12-31 | esef |
| ifrs:CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities | {"amount": -312000.0} | 2023-12-31 | esef |
| ifrs:CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities | {"amount": 219901000.0} | 2021-12-31 | esef |
| ifrs:CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities | {"amount": 0.0} | 2020-12-31 | esef |
| ifrs:CashReceiptsFromRepaymentOfAdvancesAndLoansMadeToOtherPartiesClassifiedAsInvestingActivities | {"amount": 257000.0} | 2023-12-31 | esef |
| ifrs:CashReceiptsFromRepaymentOfAdvancesAndLoansMadeToOtherPartiesClassifiedAsInvestingActivities | {"amount": 154000.0} | 2024-12-31 | esef |
| ifrs:CashReceiptsFromRepaymentOfAdvancesAndLoansMadeToOtherPartiesClassifiedAsInvestingActivities | {"amount": 559000.0} | 2022-12-31 | esef |
| ifrs:CashReceiptsFromRepaymentOfAdvancesAndLoansMadeToOtherPartiesClassifiedAsInvestingActivities | {"amount": 320000.0} | 2021-12-31 | esef |
| ifrs:CashReceiptsFromRepaymentOfAdvancesAndLoansMadeToOtherPartiesClassifiedAsInvestingActivities | {"amount": 40066000.0} | 2020-12-31 | esef |
| ifrs:ComprehensiveIncome | {"amount": 7927000.0} | 2023-12-31 | esef |
| ifrs:ComprehensiveIncome | {"amount": 20331000.0} | 2024-12-31 | esef |
| ifrs:ComprehensiveIncome | {"amount": 68139000.0} | 2022-12-31 | esef |
| ifrs:ComprehensiveIncome | {"amount": 70744000.0} | 2021-12-31 | esef |
| ifrs:ComprehensiveIncome | {"amount": 70277000.0} | 2020-12-31 | esef |
| ifrs:ComprehensiveIncomeAttributableToNoncontrollingInterests | {"amount": -145000.0} | 2023-12-31 | esef |
| ifrs:ComprehensiveIncomeAttributableToNoncontrollingInterests | {"amount": -174000.0} | 2024-12-31 | esef |
| ifrs:ComprehensiveIncomeAttributableToNoncontrollingInterests | {"amount": 377000.0} | 2022-12-31 | esef |
| ifrs:ComprehensiveIncomeAttributableToNoncontrollingInterests | {"amount": 819000.0} | 2021-12-31 | esef |
| ifrs:ComprehensiveIncomeAttributableToNoncontrollingInterests | {"amount": 4000.0} | 2020-12-31 | esef |
| ifrs:ComprehensiveIncomeAttributableToOwnersOfParent | {"amount": 8072000.0} | 2023-12-31 | esef |
| ifrs:ComprehensiveIncomeAttributableToOwnersOfParent | {"amount": 20505000.0} | 2024-12-31 | esef |
| ifrs:ComprehensiveIncomeAttributableToOwnersOfParent | {"amount": 67762000.0} | 2022-12-31 | esef |
| ifrs:ComprehensiveIncomeAttributableToOwnersOfParent | {"amount": 69926000.0} | 2021-12-31 | esef |
| ifrs:ComprehensiveIncomeAttributableToOwnersOfParent | {"amount": 70273000.0} | 2020-12-31 | esef |
| ifrs:ComprehensiveIncomeFromContinuingOperationsAttributableToOwnersOfParent | {"amount": 18892000.0} | 2024-12-31 | esef |
| ifrs:ComprehensiveIncomeFromContinuingOperationsAttributableToOwnersOfParent | {"amount": 20508000.0} | 2022-12-31 | esef |
| ifrs:ComprehensiveIncomeFromContinuingOperationsAttributableToOwnersOfParent | {"amount": -9929000.0} | 2023-12-31 | esef |
| ifrs:ComprehensiveIncomeFromDiscontinuedOperationsAttributableToOwnersOfParent | {"amount": 18002000.0} | 2023-12-31 | esef |
| ifrs:ComprehensiveIncomeFromDiscontinuedOperationsAttributableToOwnersOfParent | {"amount": 1613000.0} | 2024-12-31 | esef |
| ifrs:ComprehensiveIncomeFromDiscontinuedOperationsAttributableToOwnersOfParent | {"amount": 47254000.0} | 2022-12-31 | esef |
| ifrs:CostOfSales | {"amount": 845405000.0} | 2021-12-31 | esef |
| ifrs:CostOfSales | {"amount": 505647000.0} | 2024-12-31 | esef |
| ifrs:CostOfSales | {"amount": 474420000.0} | 2022-12-31 | esef |
| ifrs:CostOfSales | {"amount": 439336000.0} | 2023-12-31 | esef |
| ifrs:CostOfSales | {"amount": 510223000.0} | 2020-12-31 | esef |
| ifrs:CurrentAssets | {"amount": 306799000.0} | 2024-12-31 | esef |
| ifrs:CurrentAssets | {"amount": 339907000.0} | 2023-12-31 | esef |
| ifrs:CurrentAssets | {"amount": 746452000.0} | 2022-12-31 | esef |
| ifrs:CurrentAssets | {"amount": 534855000.0} | 2021-12-31 | esef |
| ifrs:CurrentAssets | {"amount": 333665000.0} | 2020-12-31 | esef |
| ifrs:CurrentContractLiabilities | {"amount": 9577000.0} | 2024-12-31 | esef |
| ifrs:CurrentContractLiabilities | {"amount": 8037000.0} | 2023-12-31 | esef |