{
  "report-package": "549300U0BOLVY36TGJ31-2021-12-31-fr.zip",
  "date": "2021-12-31",
  "lei": "549300U0BOLVY36TGJ31",
  "system": "ESEF",
  "country": "BE",
  "langs": [
    "fr"
  ],
  "report": "549300U0BOLVY36TGJ31-2021-12-31-fr/reports/549300U0BOLVY36TGJ31-2021-12-31-fr.xhtml",
  "viewer": "549300U0BOLVY36TGJ31-2021-12-31-fr/reports/ixbrlviewer.html",
  "xbrl-json": "549300U0BOLVY36TGJ31-2021-12-31-fr.json",
  "sha256sum": "76dede83aa14ff2a545442e0cfbf47dabd3af3561e0ba060ac750e4e88aad341",
  "errors": [
    {
      "sev": "INCONSISTENCY",
      "code": "xbrl.5.2.5.2:calcInconsistency",
      "msg": "Calculation inconsistent from ifrs-full:CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital in link role http://viohalco.com/role/CashFlow reported sum 273,731,000 computed sum 273,730,000 context ctx-4 unit eur unreportedContributingItems none"
    },
    {
      "sev": "INCONSISTENCY",
      "code": "xbrl.5.2.5.2:calcInconsistency",
      "msg": "Calculation inconsistent from ifrs-full:CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital in link role http://viohalco.com/role/CashFlow reported sum 502,407,000 computed sum 502,408,000 context ctx-3 unit eur unreportedContributingItems none"
    },
    {
      "sev": "INCONSISTENCY",
      "code": "xbrl.5.2.5.2:calcInconsistency",
      "msg": "Calculation inconsistent from ifrs-full:IncreaseDecreaseInWorkingCapital in link role http://viohalco.com/role/CashFlow reported sum -151,214,000 computed sum -151,213,000 context ctx-4 unit eur unreportedContributingItems none"
    },
    {
      "sev": "INCONSISTENCY",
      "code": "xbrl.5.2.5.2:calcInconsistency",
      "msg": "Calculation inconsistent from ifrs-full:CashFlowsFromUsedInInvestingActivities in link role http://viohalco.com/role/CashFlow reported sum -250,947,000 computed sum -250,946,000 context ctx-3 unit eur unreportedContributingItems none"
    },
    {
      "sev": "INCONSISTENCY",
      "code": "xbrl.5.2.5.2:calcInconsistency",
      "msg": "Calculation inconsistent from ifrs-full:CashFlowsFromUsedInFinancingActivities in link role http://viohalco.com/role/CashFlow reported sum 403,773,000 computed sum 403,771,000 context ctx-3 unit eur unreportedContributingItems none"
    },
    {
      "sev": "INCONSISTENCY",
      "code": "xbrl.5.2.5.2:calcInconsistency",
      "msg": "Calculation inconsistent from ifrs-full:IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges in link role http://viohalco.com/role/CashFlow reported sum 4,290,000 computed sum 4,291,000 context ctx-4 unit eur unreportedContributingItems none"
    },
    {
      "sev": "INCONSISTENCY",
      "code": "xbrl.5.2.5.2:calcInconsistency",
      "msg": "Calculation inconsistent from ifrs-full:IncreaseDecreaseThroughTransactionsWithOwners in link role http://viohalco.com/role/ChangesinEquity reported sum -11,176,000 computed sum -11,175,000 context ctx-3 unit eur unreportedContributingItems ifrs-full:IncreaseDecreaseThroughChangeInEquityOfSubsidiaries, VIO:IncreaseDecreaseThroughMergersAndAbsorptions"
    },
    {
      "sev": "INCONSISTENCY",
      "code": "xbrl.5.2.5.2:calcInconsistency",
      "msg": "Calculation inconsistent from ifrs-full:IncreaseDecreaseThroughTransactionsWithOwners in link role http://viohalco.com/role/ChangesinEquity reported sum 4,876,000 computed sum 4,875,000 context ctx-49 unit eur unreportedContributingItems none"
    },
    {
      "sev": "INCONSISTENCY",
      "code": "xbrl.5.2.5.2:calcInconsistency",
      "msg": "Calculation inconsistent from ifrs-full:IncreaseDecreaseThroughTransactionsWithOwners in link role http://viohalco.com/role/ChangesinEquity reported sum 25,909,000 computed sum 25,908,000 context ctx-4 unit eur unreportedContributingItems none"
    },
    {
      "sev": "INCONSISTENCY",
      "code": "xbrl.5.2.5.2:calcInconsistency",
      "msg": "Calculation inconsistent from ifrs-full:IncreaseDecreaseThroughTransactionsWithOwners in link role http://viohalco.com/role/ChangesinEquity reported sum -9,142,000 computed sum -9,143,000 context ctx-18 unit eur unreportedContributingItems ifrs-full:IncreaseDecreaseThroughChangeInEquityOfSubsidiaries, VIO:IncreaseDecreaseThroughMergersAndAbsorptions"
    },
    {
      "sev": "INCONSISTENCY",
      "code": "xbrl.5.2.5.2:calcInconsistency",
      "msg": "Calculation inconsistent from ifrs-full:OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax in link role http://viohalco.com/role/ComprehensiveIncome reported sum 10,409,000 computed sum 10,410,000 context ctx-3 unit eur unreportedContributingItems none"
    },
    {
      "sev": "INCONSISTENCY",
      "code": "xbrl.5.2.5.2:calcInconsistency",
      "msg": "Calculation inconsistent from ifrs-full:NoncurrentAssets in link role http://viohalco.com/role/FinancialPosition reported sum 2,520,805,000 computed sum 2,520,804,000 context ctx-1 unit eur unreportedContributingItems none"
    },
    {
      "sev": "INCONSISTENCY",
      "code": "xbrl.5.2.5.2:calcInconsistency",
      "msg": "Calculation inconsistent from ifrs-full:CurrentAssets in link role http://viohalco.com/role/FinancialPosition reported sum 2,717,616,000 computed sum 2,717,615,000 context ctx-1 unit eur unreportedContributingItems none"
    },
    {
      "sev": "INCONSISTENCY",
      "code": "xbrl.5.2.5.2:calcInconsistency",
      "msg": "Calculation inconsistent from ifrs-full:Assets in link role http://viohalco.com/role/FinancialPosition reported sum 5,238,420,000 computed sum 5,238,421,000 context ctx-1 unit eur unreportedContributingItems none"
    },
    {
      "sev": "INCONSISTENCY",
      "code": "xbrl.5.2.5.2:calcInconsistency",
      "msg": "Calculation inconsistent from ifrs-full:EquityAttributableToOwnersOfParent in link role http://viohalco.com/role/FinancialPosition reported sum 1,219,324,000 computed sum 1,219,325,000 context ctx-2 unit eur unreportedContributingItems none"
    },
    {
      "sev": "INCONSISTENCY",
      "code": "xbrl.5.2.5.2:calcInconsistency",
      "msg": "Calculation inconsistent from ifrs-full:EquityAttributableToOwnersOfParent in link role http://viohalco.com/role/FinancialPosition reported sum 1,414,626,000 computed sum 1,414,627,000 context ctx-1 unit eur unreportedContributingItems none"
    },
    {
      "sev": "INCONSISTENCY",
      "code": "xbrl.5.2.5.2:calcInconsistency",
      "msg": "Calculation inconsistent from ifrs-full:Equity in link role http://viohalco.com/role/FinancialPosition reported sum 1,655,594,000 computed sum 1,655,595,000 context ctx-1 unit eur unreportedContributingItems none"
    },
    {
      "sev": "INCONSISTENCY",
      "code": "xbrl.5.2.5.2:calcInconsistency",
      "msg": "Calculation inconsistent from ifrs-full:NoncurrentLiabilities in link role http://viohalco.com/role/FinancialPosition reported sum 1,517,080,000 computed sum 1,517,079,000 context ctx-1 unit eur unreportedContributingItems none"
    },
    {
      "sev": "INCONSISTENCY",
      "code": "xbrl.5.2.5.2:calcInconsistency",
      "msg": "Calculation inconsistent from ifrs-full:CurrentLiabilities in link role http://viohalco.com/role/FinancialPosition reported sum 2,065,746,000 computed sum 2,065,745,000 context ctx-1 unit eur unreportedContributingItems none"
    },
    {
      "sev": "INCONSISTENCY",
      "code": "xbrl.5.2.5.2:calcInconsistency",
      "msg": "Calculation inconsistent from ifrs-full:Liabilities in link role http://viohalco.com/role/FinancialPosition reported sum 2,802,260,000 computed sum 2,802,259,000 context ctx-2 unit eur unreportedContributingItems none"
    },
    {
      "sev": "INCONSISTENCY",
      "code": "xbrl.5.2.5.2:calcInconsistency",
      "msg": "Calculation inconsistent from ifrs-full:ProfitLossFromOperatingActivities in link role http://viohalco.com/role/IncomeStatement reported sum 374,396,000 computed sum 374,395,000 context ctx-3 unit eur unreportedContributingItems none"
    },
    {
      "sev": "INCONSISTENCY",
      "code": "xbrl.5.2.5.2:calcInconsistency",
      "msg": "Calculation inconsistent from ifrs-full:ProfitLossBeforeTax in link role http://viohalco.com/role/IncomeStatement reported sum 59,273,000 computed sum 59,274,000 context ctx-4 unit eur unreportedContributingItems none"
    },
    {
      "sev": "INCONSISTENCY",
      "code": "xbrl.5.2.5.2:calcInconsistency",
      "msg": "Calculation inconsistent from ifrs-full:ProfitLoss in link role http://viohalco.com/role/IncomeStatement reported sum 219,989,000 computed sum 219,988,000 context ctx-3 unit eur unreportedContributingItems none"
    },
    {
      "sev": "WARNING",
      "code": "formula:assertionUnsatisfied",
      "msg": "man_ExplanationOfChangeInNameOfReportingEntityOrOtherMeansOfIdentificationFromEndOfPrecedingReportingPeriod"
    },
    {
      "sev": "WARNING",
      "code": "formula:assertionUnsatisfied",
      "msg": "man_PrincipalPlaceOfBusiness"
    },
    {
      "sev": "WARNING",
      "code": "formula:assertionUnsatisfied",
      "msg": "man_NameOfUltimateParentOfGroup"
    },
    {
      "sev": "WARNING",
      "code": "formula:assertionUnsatisfied",
      "msg": "man_NameOfParentEntity"
    }
  ],
  "added": "2022-04-21"
}