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    <element name="CableTransmissionEquipmentAndDistributionFacilitiesMember" id="gncma_CableTransmissionEquipmentAndDistributionFacilitiesMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
    <element name="SupportEquipmentAndSystemsMember" id="gncma_SupportEquipmentAndSystemsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
    <element name="CustomerPremiseEquipmentMember" id="gncma_CustomerPremiseEquipmentMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
    <element name="IncreaseDecreaseInDeferredRevenueCurrent" id="gncma_IncreaseDecreaseInDeferredRevenueCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
    <element name="RestrictedCashMember" id="gncma_RestrictedCashMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
    <element name="IncreaseDecreaseInDeferredRevenueNoncurrent" id="gncma_IncreaseDecreaseInDeferredRevenueNoncurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
    <element name="StockBuybackProgramMember" id="gncma_StockBuybackProgramMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
    <element name="SharesRepurchasedAxis" id="gncma_SharesRepurchasedAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" abstract="true" nillable="true" xbrli:periodType="duration" />
    <element name="SharesRepurchasedDomain" id="gncma_SharesRepurchasedDomain" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
    <element name="NumberOfSharesRepurchasedMember" id="gncma_NumberOfSharesRepurchasedMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
    <element name="ValueOfSharesRepurchasedMember" id="gncma_ValueOfSharesRepurchasedMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
    <element name="UsTreasuryDepartmentContribution" id="gncma_UsTreasuryDepartmentContribution" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
    <element name="FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock" id="gncma_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
    <element name="RevenueRecognitionExciseAndSalesTaxesPolicyTextBlock" id="gncma_RevenueRecognitionExciseAndSalesTaxesPolicyTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
    <element name="ExciseAndSalesTaxesTableTextBlock" id="gncma_ExciseAndSalesTaxesTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
    <element name="TotalHighCostSupportProgramMember" id="gncma_TotalHighCostSupportProgramMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
    <element name="UnexercisedStockOptionsMember" id="gncma_UnexercisedStockOptionsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
    <element name="ShareBasedCompensationThatMayBeSettledInCashOrSharesMember" id="gncma_ShareBasedCompensationThatMayBeSettledInCashOrSharesMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
    <element name="WriteoffOfUnamortizedBondDiscount" id="gncma_WriteoffOfUnamortizedBondDiscount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
    <element name="ScheduleOfContingentAwardsTableTextBlock" id="gncma_ScheduleOfContingentAwardsTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
    <element name="RegulatoryAccountingPolicyPolicyTextBlock" id="gncma_RegulatoryAccountingPolicyPolicyTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
    <element name="ScheduleOfAmortizationExpenseTableTextBlock" id="gncma_ScheduleOfAmortizationExpenseTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
    <element name="ScheduleOfShareBasedCompensationTableTextBlock" id="gncma_ScheduleOfShareBasedCompensationTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
    <element name="GrantProceeds" id="gncma_GrantProceeds" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
    <element name="CapitalLeasesFutureMinimumPaymentsAbstract" id="gncma_CapitalLeasesFutureMinimumPaymentsAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
    <element name="OperatingLeasesArrangementsExpirarationYear" id="gncma_OperatingLeasesArrangementsExpirarationYear" type="xbrli:gYearItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="instant" />
    <element name="SelfInsuranceCoverageLimit" id="gncma_SelfInsuranceCoverageLimit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
    <element name="HealthAndWelfareClaimsPerYear" id="gncma_HealthAndWelfareClaimsPerYear" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
    <element name="CommitmentsContingenciesLineItems" id="gncma_CommitmentsContingenciesLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
    <element name="CommitmentsAndContingenciesTable" id="gncma_CommitmentsAndContingenciesTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" abstract="true" nillable="true" xbrli:periodType="duration" />
    <element name="AlaskaDigitelMemberMember" id="gncma_AlaskaDigitelMemberMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
    <element name="InvestmentaxisAxis" id="gncma_InvestmentaxisAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" abstract="true" nillable="true" xbrli:periodType="duration" />
    <element name="Investment1Domain" id="gncma_Investment1Domain" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
    <element name="CdmaNetworkExpansionMember" id="gncma_CdmaNetworkExpansionMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
    <element name="TerraSouthwestMember" id="gncma_TerraSouthwestMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
    <element name="TerraNwMember" id="gncma_TerraNwMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
    <element name="SelfInsuranceAxis" id="gncma_SelfInsuranceAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" abstract="true" nillable="true" xbrli:periodType="duration" />
    <element name="SelfInsuranceDomain" id="gncma_SelfInsuranceDomain" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
    <element name="AccumulatedAmortizationPropertyPlantAndEquipment" id="gncma_AccumulatedAmortizationPropertyPlantAndEquipment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
    <element name="AccumulatedDepreciationPropertyPlantAndEquipment" id="gncma_AccumulatedDepreciationPropertyPlantAndEquipment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
    <element name="TelephonyTransmissionEquipmentAndDistributionFacilitiesMember" id="gncma_TelephonyTransmissionEquipmentAndDistributionFacilitiesMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
    <element name="SupportEquipmentAndSystemMember" id="gncma_SupportEquipmentAndSystemMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
    <element name="PropertyAndEquipmentUnderCapitalLeasesMember" id="gncma_PropertyAndEquipmentUnderCapitalLeasesMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
    <element name="SeniorNoteRedemptionTableTextBlock" id="gncma_SeniorNoteRedemptionTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
    <element name="InterestMarginTableTextBlock" id="gncma_InterestMarginTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
    <element name="SeniorNotesDueTwentyNineteenMember" id="gncma_SeniorNotesDueTwentyNineteenMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
    <element name="SeniorNotesDueTwentyTwentyOneMember" id="gncma_SeniorNotesDueTwentyTwentyOneMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
    <element name="SeniorNoteDueTwentyTwentyOneMember" id="gncma_SeniorNoteDueTwentyTwentyOneMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
    <element name="RedemptinPriceInTwentyFourteen" id="gncma_RedemptinPriceInTwentyFourteen" type="num:percentItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
    <element name="RedemptinPriceInTwentyFifteen" id="gncma_RedemptinPriceInTwentyFifteen" type="num:percentItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
    <element name="RedemptinPriceInTwentySixteen" id="gncma_RedemptinPriceInTwentySixteen" type="num:percentItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
    <element name="RedemptinPriceInTwentySeventeenAndThereafter" id="gncma_RedemptinPriceInTwentySeventeenAndThereafter" type="num:percentItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
    <element name="SeniorCreditFacilityMember" id="gncma_SeniorCreditFacilityMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
    <element name="UuiAndUnicomMember" id="gncma_UuiAndUnicomMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
    <element name="IncomeTaxReconciliationNondeductibleExpenseLobbying" id="gncma_IncomeTaxReconciliationNondeductibleExpenseLobbying" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
    <element name="DeferredTaxAssetsTaxDeferredExpenseDeferredCompensation" id="gncma_DeferredTaxAssetsTaxDeferredExpenseDeferredCompensation" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
    <element name="IncomeTaxTempraryDifferencesTable" id="gncma_IncomeTaxTempraryDifferencesTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" abstract="true" nillable="true" xbrli:periodType="duration" />
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    <element name="TemporaryDifferencesDomain" id="gncma_TemporaryDifferencesDomain" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
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    <element name="LongTermMember" id="gncma_LongTermMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
    <element name="IncomeTaxTemporaryDifferencesLineItems" id="gncma_IncomeTaxTemporaryDifferencesLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
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    <element name="LossCarryforwardsYearDomain" id="gncma_LossCarryforwardsYearDomain" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
    <element name="LossCarryforwardInYearOneMember" id="gncma_LossCarryforwardInYearOneMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
    <element name="LossCarryforwardInYearTwoMember" id="gncma_LossCarryforwardInYearTwoMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
    <element name="LossCarryforwardInYearThreeMember" id="gncma_LossCarryforwardInYearThreeMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
    <element name="LossCarryforwardInYearFourMember" id="gncma_LossCarryforwardInYearFourMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
    <element name="LossCarryforwardInYearFiveMember" id="gncma_LossCarryforwardInYearFiveMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
    <element name="LossCarryforwardInYearSixMember" id="gncma_LossCarryforwardInYearSixMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
    <element name="LossCarryforwardInYearSevenMember" id="gncma_LossCarryforwardInYearSevenMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
    <element name="LossCarryforwardInYearEightMember" id="gncma_LossCarryforwardInYearEightMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
    <element name="LossCarryforwardInYearNineMember" id="gncma_LossCarryforwardInYearNineMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
    <element name="LossCarryforwardInYearTenMember" id="gncma_LossCarryforwardInYearTenMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
    <element name="LossCarryforwardInYearElevenMember" id="gncma_LossCarryforwardInYearElevenMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
    <element name="LossCarryforwardInYearTweleveMember" id="gncma_LossCarryforwardInYearTweleveMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
    <element name="EmployeeReceivableMember" id="gncma_EmployeeReceivableMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
    <element name="OtherReceivableMember" id="gncma_OtherReceivableMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
    <element name="RevenueSupportPercent" id="gncma_RevenueSupportPercent" type="num:percentItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="instant" />
    <element name="UsfProgramMember" id="gncma_UsfProgramMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
    <element name="DefinedContributionPlanMaximumAnnualCatchupContributionPerEmployeeAmount" id="gncma_DefinedContributionPlanMaximumAnnualCatchupContributionPerEmployeeAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
    <element name="CostOfGoodsSoldFromRelatedParties" id="gncma_CostOfGoodsSoldFromRelatedParties" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
    <element name="ContributionFromRelatedParties" id="gncma_ContributionFromRelatedParties" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
    <element name="ContributionFromExternalCustomers" id="gncma_ContributionFromExternalCustomers" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
    <element name="CapitalLeaseMonthlyLeasePayment" id="gncma_CapitalLeaseMonthlyLeasePayment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
    <element name="CapitalLeaseDeposit" id="gncma_CapitalLeaseDeposit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
    <element name="IruArrangementsExpirationYear" id="gncma_IruArrangementsExpirationYear" type="xbrli:dateItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="instant" />
    <element name="ScheduleOfOperatingLeaseReceivablesMinimumPaymentsTableTextBlock" id="gncma_ScheduleOfOperatingLeaseReceivablesMinimumPaymentsTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
    <element name="UsTreasuryDepartmentContributionExpense" id="gncma_UsTreasuryDepartmentContributionExpense" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
    <element name="RightOfWayMember" id="gncma_RightOfWayMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
    <element name="CobankMortgageMember" id="gncma_CobankMortgageMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
    <element name="RuralUtilityServiceMember" id="gncma_RuralUtilityServiceMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
    <element name="TotalCapitalLeaseObligationsNoncurrent" id="gncma_TotalCapitalLeaseObligationsNoncurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
    <element name="InterestRateLeverageRatioTable" id="gncma_InterestRateLeverageRatioTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" abstract="true" nillable="true" xbrli:periodType="duration" />
    <element name="InterestRateLeverageRatioAxis" id="gncma_InterestRateLeverageRatioAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" abstract="true" nillable="true" xbrli:periodType="duration" />
    <element name="InterestRateLeverageRatioDomain" id="gncma_InterestRateLeverageRatioDomain" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
    <element name="LeverageRatioRangeOneMember" id="gncma_LeverageRatioRangeOneMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
    <element name="LeverageRatioRangeTwoMember" id="gncma_LeverageRatioRangeTwoMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
    <element name="LeverageRatioRangeThreeMember" id="gncma_LeverageRatioRangeThreeMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
    <element name="LeverageRatioRangeFourMember" id="gncma_LeverageRatioRangeFourMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
    <element name="RedemptinPriceInTwentySeventeen" id="gncma_RedemptinPriceInTwentySeventeen" type="num:percentItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
    <element name="RedemptinPriceInTwentyEighteen" id="gncma_RedemptinPriceInTwentyEighteen" type="num:percentItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="instant" />
    <element name="RedemptinPriceInTwentyNineteenAndThereafter" id="gncma_RedemptinPriceInTwentyNineteenAndThereafter" type="num:percentItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="instant" />
    <element name="TotalLongTermDebtMaturitiesRepayments" id="gncma_TotalLongTermDebtMaturitiesRepayments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
    <element name="CostOfGoodsSoldExternal" id="gncma_CostOfGoodsSoldExternal" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
    <element name="TotalSharesRetiredInCurrentYear" id="gncma_TotalSharesRetiredInCurrentYear" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
    <element name="AircraftAccidentReserveMember" id="gncma_AircraftAccidentReserveMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
    <element name="HealthcareSelfInsuranceReserve" id="gncma_HealthcareSelfInsuranceReserve" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
    <element name="HealthcareSelfInsuranceCoverageLimitPerYear" id="gncma_HealthcareSelfInsuranceCoverageLimitPerYear" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
    <element name="PropertyPlantAndEquipmentUsefulLifeTableTextBlock" id="gncma_PropertyPlantAndEquipmentUsefulLifeTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
    <element name="FederalTaxingAuthorityMember" id="gncma_FederalTaxingAuthorityMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
    <element name="AllowanceForDoubtfulAccountsReceivableRollforwardTableTextBlock" id="gncma_AllowanceForDoubtfulAccountsReceivableRollforwardTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
    <element name="ProvisionForDoubtfulAccountsOther" id="gncma_ProvisionForDoubtfulAccountsOther" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
    <element name="AllowanceForDoubtfulAccountsReceivableChargeOffsNetOfRecoveries" id="gncma_AllowanceForDoubtfulAccountsReceivableChargeOffsNetOfRecoveries" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
    <element name="OtherassetsPolicyTextBlock" id="gncma_OtherassetsPolicyTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
</schema>
</XBRL>