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<!-- DFIN New ActiveDisclosure (SM) XBRL Schema Document - http://www.dfinsolutions.com/ -->
<!-- Creation Date :2026-06-23T16:03:29.9098+00:00 -->
<!-- Copyright (c) 2026 Donnelley Financial Solutions, Inc. All Rights Reserved. -->
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          <link:loc xlink:type="locator" xlink:href="hlio-20251231.xsd#hlio_NotesReceivableFromParticipantsMember" xlink:label="hlio_NotesReceivableFromParticipantsMember"/>
          <link:loc xlink:type="locator" xlink:href="hlio-20251231.xsd#hlio_TRowePriceOverseasStockMember" xlink:label="hlio_TRowePriceOverseasStockMember"/>
          <link:loc xlink:type="locator" xlink:href="hlio-20251231.xsd#hlio_JanusHendersonEntermiseMSMember" xlink:label="hlio_JanusHendersonEntermiseMSMember"/>
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          <link:loc xlink:type="locator" xlink:href="hlio-20251231.xsd#hlio_SchwabGovernmentMoneyFundMember" xlink:label="hlio_SchwabGovernmentMoneyFundMember"/>
          <link:loc xlink:type="locator" xlink:href="hlio-20251231.xsd#hlio_VanguardInflationProtectAdmMember" xlink:label="hlio_VanguardInflationProtectAdmMember"/>
          <link:loc xlink:type="locator" xlink:href="hlio-20251231.xsd#hlio_FidelityInternationalIndexMember" xlink:label="hlio_FidelityInternationalIndexMember"/>
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          <link:loc xlink:type="locator" xlink:href="hlio-20251231.xsd#hlio_HeliosTechnologiesIncMember" xlink:label="hlio_HeliosTechnologiesIncMember"/>
          <link:loc xlink:type="locator" xlink:href="hlio-20251231.xsd#hlio_VanguardTargetRetiremnt2045Member" xlink:label="hlio_VanguardTargetRetiremnt2045Member"/>
          <link:loc xlink:type="locator" xlink:href="hlio-20251231.xsd#hlio_HartfordSchrodEmgMktEqSdrMember" xlink:label="hlio_HartfordSchrodEmgMktEqSdrMember"/>
          <link:loc xlink:type="locator" xlink:href="hlio-20251231.xsd#hlio_VanguardTargetRetiremnt2020Member" xlink:label="hlio_VanguardTargetRetiremnt2020Member"/>
          <link:loc xlink:type="locator" xlink:href="hlio-20251231.xsd#hlio_TRoweQmUsSmCapGrthEqtyMember" xlink:label="hlio_TRoweQmUsSmCapGrthEqtyMember"/>
          <link:loc xlink:type="locator" xlink:href="hlio-20251231.xsd#hlio_BynmMellonSLSmCap600StkMember" xlink:label="hlio_BynmMellonSLSmCap600StkMember"/>
          <link:loc xlink:type="locator" xlink:href="hlio-20251231.xsd#hlio_SchwabSP500IndexFundMember" xlink:label="hlio_SchwabSP500IndexFundMember"/>
          <link:loc xlink:type="locator" xlink:href="hlio-20251231.xsd#hlio_StateStUSBndIndxSlClXIVMember" xlink:label="hlio_StateStUSBndIndxSlClXIVMember"/>
          <link:loc xlink:type="locator" xlink:href="hlio-20251231.xsd#hlio_VanguardTargetRetiremnt2035Member" xlink:label="hlio_VanguardTargetRetiremnt2035Member"/>
          <link:loc xlink:type="locator" xlink:href="hlio-20251231.xsd#hlio_JPMorganCoreBondIMember" xlink:label="hlio_JPMorganCoreBondIMember"/>
          <link:loc xlink:type="locator" xlink:href="hlio-20251231.xsd#hlio_PutnamStableValue25BpsMember" xlink:label="hlio_PutnamStableValue25BpsMember"/>
          <link:loc xlink:type="locator" xlink:href="hlio-20251231.xsd#hlio_BnymMellonSLMidCapStkIdxMember" xlink:label="hlio_BnymMellonSLMidCapStkIdxMember"/>
          <link:loc xlink:type="locator" xlink:href="hlio-20251231.xsd#hlio_VanguardTargetRetmtIncomeMember" xlink:label="hlio_VanguardTargetRetmtIncomeMember"/>
          <link:loc xlink:type="locator" xlink:href="hlio-20251231.xsd#hlio_VanguardTargetRetiremnt2025Member" xlink:label="hlio_VanguardTargetRetiremnt2025Member"/>
          <link:loc xlink:type="locator" xlink:href="hlio-20251231.xsd#hlio_VanguardTargetRetiremnt2050Member" xlink:label="hlio_VanguardTargetRetiremnt2050Member"/>
          <link:loc xlink:type="locator" xlink:href="hlio-20251231.xsd#hlio_SchwabPrimeAdvMoneyUltraMember" xlink:label="hlio_SchwabPrimeAdvMoneyUltraMember"/>
          <link:loc xlink:type="locator" xlink:href="hlio-20251231.xsd#hlio_VanguardTargetRetiremnt2060Member" xlink:label="hlio_VanguardTargetRetiremnt2060Member"/>
          <link:loc xlink:type="locator" xlink:href="hlio-20251231.xsd#hlio_JPMorganMidCapValueR6Member" xlink:label="hlio_JPMorganMidCapValueR6Member"/>
          <link:loc xlink:type="locator" xlink:href="hlio-20251231.xsd#hlio_VanguardTargetRetiremnt2055Member" xlink:label="hlio_VanguardTargetRetiremnt2055Member"/>
          <link:loc xlink:type="locator" xlink:href="hlio-20251231.xsd#hlio_DelawareSmallCapValueIMember" xlink:label="hlio_DelawareSmallCapValueIMember"/>
          <link:loc xlink:type="locator" xlink:href="hlio-20251231.xsd#hlio_PutnamLGCAPValueTrustMsgMember" xlink:label="hlio_PutnamLGCAPValueTrustMsgMember"/>
          <link:loc xlink:type="locator" xlink:href="hlio-20251231.xsd#hlio_PersonalChoiceRetirementAccountMember" xlink:label="hlio_PersonalChoiceRetirementAccountMember"/>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanNoteReceivableFromParticipantAccountMaximumBorrowingToTotalAccountPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Note Receivable from Participant, Account, Maximum Borrowing, to Total Account, Percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanNoteReceivableFromParticipantAccountMaximumBorrowingToTotalAccountPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of participant's account balance vested</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanForfeitedNonvestedAccountDecreaseForEmployerContribution_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Reduce the Employers Matching Contributions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanForfeitedNonvestedAccountDecreaseForEmployerContribution_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Forfeited Nonvested Account, Decrease from Employer Contribution</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="hlio_EBPInvestmentFailedToRemitParticipantContributionsInTimelyMannerCorrectedAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP Investment Failed to Remit Participant Contributions in Timely Manner Corrected Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="hlio_EBPInvestmentFailedToRemitParticipantContributionsInTimelyMannerCorrectedAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">EBP Investment Failed to Remit Participant Contributions in Timely Manner Corrected Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="hlio_EBPInvestmentFailedToRemitParticipantContributionsInTimelyMannerCorrectedAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Participant contributions in timely manner corrected amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanScheduleOfDelinquentParticipantContributionTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Schedule of Delinquent Participant Contribution [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecreaseForAdministrativeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Administrative expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecreaseForAdministrativeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Change in Net Asset Available for Benefit, Decrease from Administrative Expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanNetAssetAvailableForBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Net Asset Available for Benefit</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanNetAssetAvailableForBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net assets available for benefits</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanNetAssetAvailableForBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Beginning of the year</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanNetAssetAvailableForBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">End of the year</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="hlio_EmployeeBenefitPlanMatchingContributionsAfterFiveYearsOfService_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Employee Benefit Plan, Matching Contributions After Five Years of Service</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="hlio_EmployeeBenefitPlanMatchingContributionsAfterFiveYearsOfService_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Employee Benefit Plan, Matching Contributions After Five Years of Service</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="hlio_EmployeeBenefitPlanMatchingContributionsAfterFiveYearsOfService_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">After five years</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_MinimumMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Minimum [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_MinimumMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Minimum [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanEmployerContributionMatchingPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Employer Contribution, Matching Percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanEmployerContributionMatchingPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Employee`s salary are matched</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanEmployerContributionMatchingPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">After seven or more years</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Schedule of Asset Held for Investment [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanTaxStatusLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Tax Status [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanPaymentToParticipantPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Payment of Benefits</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanPaymentToParticipantPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Payment to Participant [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Description of Plan and Accounting Change [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="hlio_EmployeeBenefitPlanStatementBusinessSegmentsAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Employee Benefit Plan Statement Business Segments [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="hlio_EmployeeBenefitPlanStatementBusinessSegmentsAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Employee Benefit Plan Statement Business Segments [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanForfeitedNonvestedAccountDecreaseForAdministrativeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Forfeited Nonvested Account, Decrease from Administrative Expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanForfeitedNonvestedAccountDecreaseForAdministrativeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Forfeitures Amount Utilized</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanNetAssetValuePerShareOrUnit_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Net Asset Value per Share or Unit</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentPeriodEndDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Period End Date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentInformationTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Information [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Market value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="hlio_EmployeeBenefitPlanNonexemptParty-In-InterestTransactionsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Employee Benefit Plan Nonexempt Party-In-Interest Transactions [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="hlio_EmployeeBenefitPlanNonexemptParty-In-InterestTransactionsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Employee Benefit Plan, Nonexempt Party-In-Interest Transactions [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustParticipationStatusExtensibleEnumeration_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentTypeCategorizationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investments [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="hlio_EmployeeBenefitPlanNonexemptParty-In-InterestTransactionsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Employee Benefit Plan, Nonexempt Party-In-Interest Transactions [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="hlio_EmployeeBenefitPlanNonexemptParty-In-InterestTransactionsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Employee Benefit Plan, Nonexempt Party-In-Interest Transactions [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanStatementOfNetAssetAvailableForBenefitAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Statement of Net Asset Available for Benefit [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="hlio_EmployeeBenefitPlanEmployerVestedContributionsTwo_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Employee Benefit Plan, Employer Vested Contributions Two</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="hlio_EmployeeBenefitPlanEmployerVestedContributionsTwo_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="hlio_EmployeeBenefitPlanEmployerVestedContributionsTwo_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Employee Benefit Plan, Employer Vested Contributions Two Years</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanEmployerContributionReceivable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Employer Contribution, Receivable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanEmployerContributionReceivable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Employer contribution</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanScheduleOfDelinquentParticipantContributionLateRepaymentIncluded_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Late Participant Loan Repayments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanScheduleOfDelinquentParticipantContributionLateRepaymentIncluded_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Schedule of Delinquent Participant Contribution, Late Repayment Included [true false]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanSelfDirectedBrokerageAccountMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Self-directed brokerage accounts</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanSelfDirectedBrokerageAccountMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Self-Directed Brokerage Account [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanNoteReceivableFromParticipant_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Notes receivable from participants including interest</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanNoteReceivableFromParticipant_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Note Receivable from Participant</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanTaxStatusTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Tax Status [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanTaxStatusTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Tax Status of the Plan</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="hlio_EmployeeBenefitPlanEnovationHCEEHHAMAndHeliosMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Employee Benefit Plan, Enovation, HCEE, HHAM, and Helios [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="hlio_EmployeeBenefitPlanEnovationHCEEHHAMAndHeliosMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Employee Benefit Plan, Enovation, HCEE, HHAM, and Helios [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="hlio_EmployeeBenefitPlanEnovationHCEEHHAMAndHeliosMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Enovation, HCEE, HHAM, and Helios [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanUseOfEstimatePolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Use of Estimates</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanUseOfEstimatePolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Use of Estimate [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForEmployerContribution_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Change in Net Asset Available for Benefit, Increase from Employer Contribution, Cash and Noncash</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForEmployerContribution_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">EBP, Change in Net Asset Available for Benefit, Increase from Employer Contribution, Cash and Noncash, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForEmployerContribution_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Employer Match and Contributions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForEmployerContribution_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Employer</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecreaseForIncomeLossOnInvestmentAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Investment income:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecreaseForIncomeLossOnInvestmentAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Change in Net Asset Available for Benefit, Increase (Decrease) from Income (Loss) on Investment [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="hlio_EmployeeBenefitPlanNonexemptPartyInInterestTransactionsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Nonexempt Party-In-Interest Transactions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="hlio_EmployeeBenefitPlanNonexemptPartyInInterestTransactionsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Employee Benefit Plan Nonexempt Party In Interest Transactions [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="hlio_EmployeeBenefitPlanNonexemptPartyInInterestTransactionsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Employee Benefit Plan Nonexempt Party-In-Interest Transactions [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanAccountingPolicyTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Accounting Policy [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanInvestmentPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanInvestmentPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Investment [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="hlio_EmployeeBenefitPlanInvestmentContributionMinimumIncrementPercent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Employee Benefit Plan Investment Contribution Minimum Increment Percent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="hlio_EmployeeBenefitPlanInvestmentContributionMinimumIncrementPercent_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Employee Benefit Plan Investment Contribution Minimum Increment Percent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="hlio_EmployeeBenefitPlanInvestmentContributionMinimumIncrementPercent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Employee Benefit Plan, Investment Contribution, Minimum Increment Percent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanScheduleOfDelinquentParticipantContributionNotCorrected_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Schedule of Delinquent Participant Contribution, Not Corrected</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanScheduleOfDelinquentParticipantContributionNotCorrected_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Contributions Not Corrected</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DefinedBenefitPlanCommonCollectiveTrustMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Collective Trust [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DefinedBenefitPlanCommonCollectiveTrustMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Collective trust funds measured at NAV</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForInterestIncomeOnNoteReceivableFromParticipant_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest income on notes receivable from participants</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForInterestIncomeOnNoteReceivableFromParticipant_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Change in Net Asset Available for Benefit, Increase from Interest Income on Note Receivable from Participant</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_RangeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statistical Measurement [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MoneyMarketFundsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Money market funds</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MoneyMarketFundsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Money Market Funds [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanEmployerContributionParticipantCompensationMatchedPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Employer Contribution, Participant Compensation Matched, Percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanEmployerContributionParticipantCompensationMatchedPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Enrolled in the Plan, Compensation.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanParticipantContributionReceivable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Participant Contribution, Receivable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanParticipantContributionReceivable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Participant contribution</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanBasisOfAccountingPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Basis of Accounting [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanBasisOfAccountingPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Basis of Accounting</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueInputsLevel3Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Inputs, Level 3 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Investment, Fair Value and NAV [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Investments Measured at Fair Value on a Recurring Basis</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncrease_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total additions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncrease_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Change in Net Asset Available for Benefit, Increase</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="hlio_EmployeeBenefitPlanEmployerVestedContributionsOne_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Employee Benefit Plan, Employer Vested Contributions One</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="hlio_EmployeeBenefitPlanEmployerVestedContributionsOne_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">1</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="hlio_EmployeeBenefitPlanEmployerVestedContributionsOne_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Employee Benefit Plan, Employer Vested Contributions One Year</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueByFairValueHierarchyLevelAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Hierarchy and NAV [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecreaseAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deductions:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecreaseAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Change in Net Asset Available for Benefit, Decrease [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Description of Plan [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanScheduleOfDelinquentParticipantContributionTransferredLateToPlan_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Schedule of Delinquent Participant Contribution, Transferred Late to Plan</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanScheduleOfDelinquentParticipantContributionTransferredLateToPlan_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Participant contributions transferred late to the Plan</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanScheduleOfDelinquentParticipantContributionTransferredLateToPlan_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Contributions Corrected Outside VFCP</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EbpRiskAndUncertaintyAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Risk and Uncertainty [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForContribution_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total contributions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForContribution_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Change in Net Asset Available for Benefit, Increase from Contribution</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForContribution_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Contributions, Employer Match Contributions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanScheduleOfDelinquentParticipantContributionCorrectedOutsideVfcp_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Participant contribution corrected outside VFCP</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanScheduleOfDelinquentParticipantContributionCorrectedOutsideVfcp_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Schedule of Delinquent Participant Contribution, Corrected Outside VFCP</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanScheduleOfDelinquentParticipantContributionCorrectedOutsideVfcp_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Contributions Corrected Outside VFCP</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentFiscalPeriodFocus_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Fiscal Period Focus</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanParticipantContributionAutomaticDeferralRate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Participant contribution, eligible compensation, automatically enrolled</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanParticipantContributionAutomaticDeferralRate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Participant Contribution, Automatic, Deferral Rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanEmployerCommonStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Employer, Common Stock [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanEmployerCommonStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Company Common Stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Schedule of Asset Held for Investment [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecrease_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Change in Net Asset Available for Benefit, Decrease</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecrease_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total deductions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Related Party and Party-in-Interest Transactions [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanInvestmentIssuerNameExtensibleEnumeration_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Investment, Issuer Name [Extensible Enumeration]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="hlio_EmployeeBenefitPlanEmployerVestedContributionsFiveYears_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">5</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="hlio_EmployeeBenefitPlanEmployerVestedContributionsFiveYears_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Employee Benefit Plan, Employer Vested Contributions Five Years</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="hlio_EmployeeBenefitPlanEmployerVestedContributionsFiveYears_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Employee Benefit Plan, Employer Vested Contributions Five Years</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanNoteReceivableFromParticipantAccountMaximumBorrowingAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Participants Highest Outstanding Loan Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanNoteReceivableFromParticipantAccountMaximumBorrowingAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Note Receivable from Participant, Account, Maximum Borrowing, Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="hlio_EBPInvestmentFailedToRemitParticipantContributionsInTimelyMannerAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP Investment Failed to Remit Participant Contributions in Timely Manner Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="hlio_EBPInvestmentFailedToRemitParticipantContributionsInTimelyMannerAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">EBP Investment Failed to Remit Participant Contributions in Timely Manner Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="hlio_EBPInvestmentFailedToRemitParticipantContributionsInTimelyMannerAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Investment failed to remit participant contributions in timely manner amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueInputsLevel1Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Inputs, Level 1 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="hlio_EmployeeBenefitPlanNumberOfParticipant_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Employee Benefit Plan, Number Of participant</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="hlio_EmployeeBenefitPlanNumberOfParticipant_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Employee Benefit Plan, Number Of participant</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="hlio_EmployeeBenefitPlanNumberOfParticipant_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number Of Participants</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Type [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanInvestmentTypeExtensibleEnumeration_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Investment, Current Value, Type [Extensible Enumeration]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanRiskAndUncertaintyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Risk and Uncertainty [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanRiskAndUncertaintyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Risks and Uncertainties</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Stock [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common Stock [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_RangeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statistical Measurement [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityCentralIndexKey_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Central Index Key</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="hlio_EmployeeBenefitPlanEmployerVestedContributionsThree_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Employee Benefit Plan, Employer Vested Contributions Three Years</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="hlio_EmployeeBenefitPlanEmployerVestedContributionsThree_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Employee Benefit Plan, Employer Vested Contributions Three</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="hlio_EmployeeBenefitPlanEmployerVestedContributionsThree_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">3</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanParticipantLoanInterestRate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Asset Held for Investment, Participant Loan, Interest Rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanParticipantLoanInterestRate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanSummaryOfAccountingPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary of Accounting Policies</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanSummaryOfAccountingPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Summary of Accounting Policy [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_CurrentFiscalYearEndDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Current Fiscal Year End Date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanPlanTerminationTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Plan Termination [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanPlanTerminationTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Plan Termination</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="hlio_EBPMatchingContributionsAfterThreeYearsOfService_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Employee Benefit Plan, Matching Contributions After Three Years of Service</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="hlio_EBPMatchingContributionsAfterThreeYearsOfService_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">EBP, Matching Contributions After Three Years of Service</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="hlio_EBPMatchingContributionsAfterThreeYearsOfService_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">After three years</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanScheduleOfDelinquentParticipantContributionTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Schedule of Delinquent Participant Contribution [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanScheduleOfDelinquentParticipantContributionTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Delinquent Participant Contributions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueInputsLevel2Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Inputs, Level 2 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanStatementOfNetAssetAvailableForBenefitTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Statement of Net Asset Available for Benefit [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanAccountingPolicyLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Accounting Policy [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Investment, Fair Value and NAV [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="hlio_EmployeeBenefitPlanPlanTerminationVestingPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Employee Benefit Plan Plan Termination Vesting Percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="hlio_EmployeeBenefitPlanPlanTerminationVestingPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Employee Benefit Plan Plan Termination Vesting Percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="hlio_EmployeeBenefitPlanPlanTerminationVestingPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Vesting percentage in the event of plan termination</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="hlio_EmployeeBenefitPlanPlanTerminationTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Employee Benefit Plan, Plan Termination [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="hlio_EmployeeBenefitPlanPlanTerminationTable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Employee Benefit Plan, Plan Termination [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanScheduleOfDelinquentParticipantContributionAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Schedule of Delinquent Participant Contribution [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementsFairValueHierarchyDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Hierarchy and NAV [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForInterestAndDividendIncomeOnInvestment_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest and dividends</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForInterestAndDividendIncomeOnInvestment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Change in Net Asset Available for Benefit, Increase from Interest and Dividend Income on Investment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForInterestAndDividendIncomeOnInvestment_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">EBP, Change in Net Asset Available for Benefit, Increase from Interest and Dividend Income on Investment, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Related Party and Party-in-Interest Transactions [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Related Party and Other Party-in-Interest Transactions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="hlio_EBPChangeInNetAssetAvailableForBenefitAdditionsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Additions:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="hlio_EBPChangeInNetAssetAvailableForBenefitAdditionsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Change in Net Asset Available for Benefit, Additions [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="hlio_EBPChangeInNetAssetAvailableForBenefitAdditionsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">EBP, Change in Net Asset Available for Benefit, Additions [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecrease_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Change in Net Asset Available for Benefit, Increase (Decrease)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecrease_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total net increase in net assets available for benefits</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanAssetAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Asset [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanAssetAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentType_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Type</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Description of Plan [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="hlio_EBPMatchingContributionsLessThanThreeYearsOfService_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">EBP, Matching Contributions Less Than Three Years of Service</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="hlio_EBPMatchingContributionsLessThanThreeYearsOfService_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Employee Benefit Plan, Matching Contributions Less Than Three Years of Service</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="hlio_EBPMatchingContributionsLessThanThreeYearsOfService_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Less than three years</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForParticipantContribution_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Change in Net Asset Available for Benefit, Increase from Participant Contribution</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForParticipantContribution_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">EBP, Change in Net Asset Available for Benefit, Increase from Participant Contribution, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForParticipantContribution_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Participant Contributions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForParticipantContributionExcludingRollover_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Change in Net Asset Available for Benefit, Increase from Participant Contribution, Excluding Rollover</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForParticipantContributionExcludingRollover_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Participant</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanDebtInterestRate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Debt, Interest Rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanDebtInterestRate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loans Bear Interest</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="hlio_EmployeeBenefitPlanEmployerVestedContributionsLessThanOne_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Less than 1</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="hlio_EmployeeBenefitPlanEmployerVestedContributionsLessThanOne_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Employee Benefit Plan, Employer Vested Contributions Less Than One</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="hlio_EmployeeBenefitPlanEmployerVestedContributionsLessThanOne_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Employee Benefit Plan, Employer Vested Contributions Less Than One</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanStatementOfChangeInNetAssetAvailableForBenefitAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Statement of Change in Net Asset Available for Benefit [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecreaseForGainLossOnInvestment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Change in Net Asset Available for Benefit, Increase (Decrease) from Gain (Loss) on Investment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecreaseForGainLossOnInvestment_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">EBP, Change in Net Asset Available for Benefit, Increase (Decrease) from Gain (Loss) on Investment, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecreaseForGainLossOnInvestment_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net appreciation in fair value of investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="hlio_EmployeeBenefitPlanScheduleOfDelinquentParticipantContributionTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Schedule of Delinquent Participant Contributions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="hlio_EmployeeBenefitPlanScheduleOfDelinquentParticipantContributionTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Employee Benefit Plan, Schedule of Delinquent Participant Contribution [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="hlio_EmployeeBenefitPlanScheduleOfDelinquentParticipantContributionTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Employee Benefit Plan, Schedule of Delinquent Participant Contribution [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityRegistrantName_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Registrant Name</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Related Party and Party-in-Interest Transactions [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Description of Plan [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Description of Plan</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EbpSubsequentEventLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Subsequent Event [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EbpSubsequentEventTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Subsequent Event [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanAccountingPolicyAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Accounting Policy, Accounting Standard Update, and Change in Accounting Principle [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="hlio_EmployeeBenefitPlanInvestmentOptionsProvidedIncrease_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Investment Options Provided, Increase</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="hlio_EmployeeBenefitPlanInvestmentOptionsProvidedIncrease_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Employee Benefit Plan Investment Options Provided, Increase</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="hlio_EmployeeBenefitPlanInvestmentOptionsProvidedIncrease_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Employee Benefit Plan Investment Options Provided, Increase</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="hlio_EmployeeBenefitPlanEmployerVestedContributionsFour_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">4</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="hlio_EmployeeBenefitPlanEmployerVestedContributionsFour_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Employee Benefit Plan, Employer Vested Contributions Four Years</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="hlio_EmployeeBenefitPlanEmployerVestedContributionsFour_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Employee Benefit Plan, Employer Vested Contributions Four</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="hlio_InvestmentsExcludingCommonCollectiveTrustFundsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investments Excluding Common Collective Trust Funds [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="hlio_InvestmentsExcludingCommonCollectiveTrustFundsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Investments Excluding Common Collective Trust Funds [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="hlio_InvestmentsExcludingCommonCollectiveTrustFundsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total assets in the fair value hierarchy</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EbpRiskAndUncertaintyLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Risk and Uncertainty [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanInvestmentNumberOfShares_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Investment, Number of Shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanInvestmentNumberOfShares_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share-based stock fund</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanTaxDeterminationLetterDate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Opinion letter date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanTaxDeterminationLetterDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Tax Determination Letter, Date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanPlanNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Plan Number</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanPlanNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Plan Number</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecreaseForIncomeLossOnInvestment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Change in Net Asset Available for Benefit, Increase (Decrease) from Income (Loss) on Investment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecreaseForIncomeLossOnInvestment_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net investment income</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Investment, Excluding Plan Interest in Master Trust, Fair Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">EBP, Investment, Excluding Plan Interest in Master Trust, Fair Value, Ending Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">EBP, Investment, Excluding Plan Interest in Master Trust, Fair Value, Beginning Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">EBP, Investment, Excluding Plan Interest in Master Trust, Fair Value, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Investments, at fair value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="hlio_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Employee Benefit Plan, Schedule of Asset Held for Investment [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="hlio_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Employee Benefit Plan, Schedule of Asset Held for Investment [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="hlio_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Assets (Held at End of Year)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanTaxStatusAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Tax Status [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MutualFundMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Mutual Fund [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MutualFundMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Mutual funds</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanCash_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Noninterest-Bearing Cash</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanCash_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Noninterest-bearing cash</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="hlio_EmployeeBenefitPlanEmployeeContributionVestingTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule Of Vested Employer Contributions Based On Years Of Services</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="hlio_EmployeeBenefitPlanEmployeeContributionVestingTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Employee Benefit Plan Employee Contribution Vesting Table TextBlock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="hlio_EmployeeBenefitPlanEmployeeContributionVestingTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Employee Benefit Plan Employee Contribution Vesting Table TextBlock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecreaseForPaymentToParticipant_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Benefits paid to participants</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecreaseForPaymentToParticipant_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Change in Net Asset Available for Benefit, Decrease from Payment to Participant</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanReceivable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Receivable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanReceivable_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total receivables</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanStatementOfNetAssetAvailableForBenefitLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Statement of Net Asset Available for Benefit [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanForfeitedNonvestedAccount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Forfeited Nonvested Account</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanForfeitedNonvestedAccount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Forfeited Nonvested Accounts</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityTaxIdentificationNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Tax Identification Number</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityTaxIdentificationNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Tax Identification Number</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="hlio_EBPMatchingContributionsBasedOnYearsOfServiceTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Matching Contributions Based On Years Of Service [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="hlio_EBPMatchingContributionsBasedOnYearsOfServiceTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">EBP, Matching Contributions Based On Years Of Service [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="hlio_EBPMatchingContributionsBasedOnYearsOfServiceTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Matching Contributions Based on the Years of Service</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanNoteReceivableFromParticipantAccountMinimumBorrowingAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Note Receivable from Participant, Account, Minimum Borrowing, Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanNoteReceivableFromParticipantAccountMinimumBorrowingAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Minimum Amount of a Loan</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanScheduleOfDelinquentParticipantContributionPendingCorrectionInVfcp_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Contributions Pending Correction in VFCP</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanScheduleOfDelinquentParticipantContributionPendingCorrectionInVfcp_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Schedule of Delinquent Participant Contribution, Pending Correction in VFCP</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanScheduleOfDelinquentParticipantContributionLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Schedule of Delinquent Participant Contribution [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Schedule of Asset Held for Investment [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Assets (Held at End of Year)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanScheduleOfDelinquentParticipantContributionCorrected_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Schedule of Delinquent Participant Contribution, Corrected</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanScheduleOfDelinquentParticipantContributionCorrected_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total Fully Corrected Under VFCP and PTE 2002-51</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Related Party and Party-in-Interest Transactions [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_MaximumMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Maximum [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_MaximumMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Maximum [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Investment, Fair Value and NAV [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair Value Measurements</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentFiscalYearFocus_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Fiscal Year Focus</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanParticipantContributionPretaxMaximumAnnualCompensationToTotalCompensationPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Participant Contribution, Pretax, Maximum Annual Compensation to Total Compensation, Percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanParticipantContributionPretaxMaximumAnnualCompensationToTotalCompensationPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Pre-tax contributions, maximum</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForContributionAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Change in Net Asset Available for Benefit, Increase from Contribution [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForContributionAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Contributions:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="hlio_EBPParticipantContributionPretaxMinimumAnnualCompensationToTotalCompensationPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Participant Contribution, Pretax, Minimum Annual Compensation to Total Compensation, Percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="hlio_EBPParticipantContributionPretaxMinimumAnnualCompensationToTotalCompensationPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">EBP, Participant Contribution, Pretax, Minimum Annual Compensation to Total Compensation, Percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="hlio_EBPParticipantContributionPretaxMinimumAnnualCompensationToTotalCompensationPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Pre-tax contributions, minimum</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="hlio_EmployeeBenefitPlanPercentageOfPlanTerminationVested_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Employee Benefit Plan, Percentage of Plan Termination Vested</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="hlio_EmployeeBenefitPlanPercentageOfPlanTerminationVested_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Employee Benefit Plan, Percentage of Plan Termination Vested</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="hlio_EmployeeBenefitPlanPercentageOfPlanTerminationVested_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Plan termination participants vested percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecreaseAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net assets available for benefits</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecreaseAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Change in Net Asset Available for Benefit, Increase (Decrease) [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisclosureTextBlockAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Disclosure Text Block [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="hlio_EmployeeBenefitPlanNetAppreciationDepreciationInFairValueOfInvestmentsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Employee Benefit Plan Net Appreciation (Depreciation) in Fair Value of Investments [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="hlio_EmployeeBenefitPlanNetAppreciationDepreciationInFairValueOfInvestmentsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Employee Benefit Plan Net Appreciation (Depreciation) in Fair Value of Investments [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="hlio_EmployeeBenefitPlanNetAppreciationDepreciationInFairValueOfInvestmentsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net Appreciation (Depreciation) in Fair Value of Investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_AmendmentFlag_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Amendment Flag</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="hlio_EmployeeBenefitPlanBusinessSegmentsDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Employee Benefit Plan Business Segments [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="hlio_EmployeeBenefitPlanBusinessSegmentsDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Employee Benefit Plan Business Segments [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanSubsequentEventTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Subsequent Events</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanSubsequentEventTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Subsequent Event [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanTaxStatusTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Tax Status [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="hlio_EmployeeBenefitPlanCommonStockPricePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Employee Benefit Plan Common Stock Price Per Share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="hlio_EmployeeBenefitPlanCommonStockPricePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Employee Benefit Plan Common Stock Price Per Share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="hlio_EmployeeBenefitPlanCommonStockPricePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common Stock Price Per Share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="hlio_EBP001Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">EBP 001 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="hlio_EBP001Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP 001 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="hlio_EBP001Member_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">EBP 001 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentIdentifierAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment, Identifier [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForParticipantContributionRollover_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Change in Net Asset Available for Benefit, Increase from Participant Contribution, Rollover</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForParticipantContributionRollover_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Rollovers</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanReceivableAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Receivable [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanReceivableAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Receivables:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanStatementOfChangeInNetAssetAvailableForBenefitLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Statement of Change in Net Asset Available for Benefit [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanStatementOfChangeInNetAssetAvailableForBenefitLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Statement of Change in Net Asset Available for Benefit [Line Item]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanInvestmentInterestRate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Investment, Interest Rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanInvestmentInterestRate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Rate of Interest</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_LegalEntityAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Legal Entity [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentPartyInInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Asset Held for Investment, Party-in-Interest [true false]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_CoverAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cover [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="hlio_EmployeeBenefitPlanEnovationAndBalboaMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Enovation and Balboa [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="hlio_EmployeeBenefitPlanEnovationAndBalboaMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Employee Benefit Plan, Enovation and Balboa [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="hlio_EmployeeBenefitPlanEnovationAndBalboaMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Employee Benefit Plan, Enovation and Balboa [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Investment, Fair Value and NAV [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Schedule of Asset Held for Investment [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EbpRiskAndUncertaintyTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Risk and Uncertainty [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Investment, Fair Value and NAV [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="hlio_EmployeeBenefitPlanPlanTerminationLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Employee Benefit Plan, Plan Termination [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="hlio_EmployeeBenefitPlanPlanTerminationLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Employee Benefit Plan, Plan Termination Line Items</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanStatementOfChangeInNetAssetAvailableForBenefitTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Statement of Change in Net Asset Available for Benefit [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EmployeeBenefitPlanStatementOfChangeInNetAssetAvailableForBenefitTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Statement of Change in Net Asset Available for Benefit [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap-ebp_EbpSubsequentEventAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EBP, Subsequent Event [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentInformationLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Information [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="hlio_EmployeeBenefitPlanNonexemptParty-In-InterestTransactionsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Employee Benefit Plan, Nonexempt Party-In-Interest Transactions [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="hlio_EmployeeBenefitPlanNonexemptParty-In-InterestTransactionsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Employee Benefit Plan, Nonexempt Party-In-Interest Transactions [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="hlio_NotesReceivableFromParticipantsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Notes receivable from participants [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="hlio_TRowePriceOverseasStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">T Rowe Price Overseas Stock [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="hlio_JanusHendersonEntermiseMSMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Janus Henderson Entermise MS [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="hlio_JPMorganLargeCapGrowthR6Member_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">JP Morgan Large Cap Growth R6 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="hlio_SchwabGovernmentMoneyFundMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schwab Government Money Fund [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="hlio_VanguardInflationProtectAdmMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Vanguard Inflation Protect Adm [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="hlio_FidelityInternationalIndexMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fidelity International Index [Member]</link:label>
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  <xsd:element id="hlio_VanguardTargetRetiremnt2050Member" name="VanguardTargetRetiremnt2050Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="hlio_EBPParticipantContributionPretaxMinimumAnnualCompensationToTotalCompensationPercentage" name="EBPParticipantContributionPretaxMinimumAnnualCompensationToTotalCompensationPercentage" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="hlio_EBP001Member" name="EBP001Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="hlio_VanguardTargetRetiremnt2035Member" name="VanguardTargetRetiremnt2035Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="hlio_VanguardTargetRetiremnt2065Member" name="VanguardTargetRetiremnt2065Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="hlio_EmployeeBenefitPlanInvestmentOptionsProvidedIncrease" name="EmployeeBenefitPlanInvestmentOptionsProvidedIncrease" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="hlio_VanguardTargetRetiremnt2055Member" name="VanguardTargetRetiremnt2055Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="hlio_SchwabSP500IndexFundMember" name="SchwabSP500IndexFundMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="hlio_DelawareSmallCapValueIMember" name="DelawareSmallCapValueIMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="hlio_HartfordSchrodEmgMktEqSdrMember" name="HartfordSchrodEmgMktEqSdrMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
</xsd:schema>
