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    <link:label id="lab_us-gaap_AccruedSalesCommissionCurrent_B63271DCA6578E52D811BD38C469D1D0_terseLabel_en-US" xlink:label="lab_us-gaap_AccruedSalesCommissionCurrent_B63271DCA6578E52D811BD38C469D1D0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accrued commissions</link:label>
    <link:label id="lab_us-gaap_AccruedSalesCommissionCurrent_B63271DCA6578E52D811BD38C469D1D0_label_en-US" xlink:label="lab_us-gaap_AccruedSalesCommissionCurrent_B63271DCA6578E52D811BD38C469D1D0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accrued Sales Commission, Current</link:label>
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    <link:label id="lab_us-gaap_SalesAndExciseTaxPayableCurrent_865CB7C2C7C6D1E06D6EBD38C46A9DC8_terseLabel_en-US" xlink:label="lab_us-gaap_SalesAndExciseTaxPayableCurrent_865CB7C2C7C6D1E06D6EBD38C46A9DC8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">VAT payable</link:label>
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    <link:label id="lab_us-gaap_OtherLiabilitiesCurrent_4FA945418B9AD7362450BD38C46AF68F_label_en-US" xlink:label="lab_us-gaap_OtherLiabilitiesCurrent_4FA945418B9AD7362450BD38C46AF68F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Liabilities, Current</link:label>
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    <link:label id="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_1C86427E07BA8A4F5FCB65B7285E4029_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_1C86427E07BA8A4F5FCB65B7285E4029" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Borrowing capacity</link:label>
    <link:label id="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_1C86427E07BA8A4F5FCB65B7285E4029_label_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_1C86427E07BA8A4F5FCB65B7285E4029" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Line of Credit Facility, Maximum Borrowing Capacity</link:label>
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    <link:label id="lab_us-gaap_DebtInstrumentTerm_9B4F60F9961CCC03CA7365B7285EA2AF_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentTerm_9B4F60F9961CCC03CA7365B7285EA2AF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Maturity period</link:label>
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    <link:label id="lab_us-gaap_LongTermDebtNoncurrent_B870153B584EC4C96B4F65B72850AE10_label_en-US" xlink:label="lab_us-gaap_LongTermDebtNoncurrent_B870153B584EC4C96B4F65B72850AE10" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-term Debt, Excluding Current Maturities</link:label>
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    <link:label id="lab_us-gaap_DeferredFinanceCostsCurrentNet_58EBACB5E1AEE0906AE965B728506124_label_en-US" xlink:label="lab_us-gaap_DeferredFinanceCostsCurrentNet_58EBACB5E1AEE0906AE965B728506124" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Issuance Costs, Current, Net</link:label>
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    <link:label id="lab_us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd_D4A250B9EC1FD5FC0DF365B72850B611_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd_D4A250B9EC1FD5FC0DF365B72850B611" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Effective Interest Rate, Line of Credit Facility</link:label>
    <link:label id="lab_us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd_D4A250B9EC1FD5FC0DF365B72850B611_label_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd_D4A250B9EC1FD5FC0DF365B72850B611" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Line of Credit Facility, Interest Rate at Period End</link:label>
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    <link:label id="lab_us-gaap_DebtInstrumentInterestRateEffectivePercentage_8338A42FCE57F1327F8C65B728509059_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentInterestRateEffectivePercentage_8338A42FCE57F1327F8C65B728509059" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Effective Interest Rate</link:label>
    <link:label id="lab_us-gaap_DebtInstrumentInterestRateEffectivePercentage_8338A42FCE57F1327F8C65B728509059_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentInterestRateEffectivePercentage_8338A42FCE57F1327F8C65B728509059" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Interest Rate, Effective Percentage</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentInterestRateEffectivePercentage" xlink:label="loc_us-gaap_DebtInstrumentInterestRateEffectivePercentage_8338A42FCE57F1327F8C65B728509059" xlink:type="locator" />
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    <link:label id="lab_us-gaap_LongTermDebtByMaturityAbstract_488B4654F15F33C69CC765B728514A7D_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtByMaturityAbstract_488B4654F15F33C69CC765B728514A7D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Aggregate principal maturities</link:label>
    <link:label id="lab_us-gaap_LongTermDebtByMaturityAbstract_488B4654F15F33C69CC765B728514A7D_label_en-US" xlink:label="lab_us-gaap_LongTermDebtByMaturityAbstract_488B4654F15F33C69CC765B728514A7D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-term Debt, Fiscal Year Maturity [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongTermDebtByMaturityAbstract" xlink:label="loc_us-gaap_LongTermDebtByMaturityAbstract_488B4654F15F33C69CC765B728514A7D" xlink:type="locator" />
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    <link:label id="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_C5141E8B5149402E1A8565B728511D1E_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_C5141E8B5149402E1A8565B728511D1E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2021</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_C5141E8B5149402E1A8565B728511D1E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_C5141E8B5149402E1A8565B728511D1E" xlink:to="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_C5141E8B5149402E1A8565B728511D1E" xlink:type="arc" />
    <link:label id="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_4FB55E80294CE2F7939065B728519D5F_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_4FB55E80294CE2F7939065B728519D5F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2022</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_4FB55E80294CE2F7939065B728519D5F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_4FB55E80294CE2F7939065B728519D5F" xlink:to="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_4FB55E80294CE2F7939065B728519D5F" xlink:type="arc" />
    <link:label id="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_7E68E2FCD6B64C76A94D65B728514033_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_7E68E2FCD6B64C76A94D65B728514033" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2023</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_7E68E2FCD6B64C76A94D65B728514033" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_7E68E2FCD6B64C76A94D65B728514033" xlink:to="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_7E68E2FCD6B64C76A94D65B728514033" xlink:type="arc" />
    <link:label id="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_BDA7094DEFF46F78D9FC65B72851A0FD_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_BDA7094DEFF46F78D9FC65B72851A0FD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2024</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_BDA7094DEFF46F78D9FC65B72851A0FD" xlink:type="locator" />
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    <link:label id="lab_us-gaap_OperatingLeaseExpense_4D949B879A5CC145B14865B727FF669C_label_en-US" xlink:label="lab_us-gaap_OperatingLeaseExpense_4D949B879A5CC145B14865B727FF669C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Lease, Expense</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingLeaseExpense" xlink:label="loc_us-gaap_OperatingLeaseExpense_4D949B879A5CC145B14865B727FF669C" xlink:type="locator" />
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    <link:label id="lab_us-gaap_ShortTermLeaseCost_2E3FD5987479EF95E64265B727FF12E1_label_en-US" xlink:label="lab_us-gaap_ShortTermLeaseCost_2E3FD5987479EF95E64265B727FF12E1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Short-term Lease, Cost</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinanceLeaseInterestExpense" xlink:label="loc_us-gaap_FinanceLeaseInterestExpense_6BDC9D57EA84D96C947365B72800E0D2" xlink:type="locator" />
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    <link:label id="lab_atk_Financeleasecost_544FE24CCBD8800653F965B72800A0BB_label_en-US" xlink:label="lab_atk_Financeleasecost_544FE24CCBD8800653F965B72800A0BB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Finance lease cost</link:label>
    <link:label id="lab_atk_Financeleasecost_544FE24CCBD8800653F965B72800A0BB_documentation_en-US" xlink:label="lab_atk_Financeleasecost_544FE24CCBD8800653F965B72800A0BB" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Finance lease cost</link:label>
    <link:loc xlink:href="atk-20200829.xsd#atk_Financeleasecost" xlink:label="loc_atk_Financeleasecost_544FE24CCBD8800653F965B72800A0BB" xlink:type="locator" />
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    <link:label id="lab_us-gaap_LeaseCost_FB41BC59EAADCAD524A565B728005531_label_en-US" xlink:label="lab_us-gaap_LeaseCost_FB41BC59EAADCAD524A565B728005531" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lease, Cost</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LeaseCost" xlink:label="loc_us-gaap_LeaseCost_FB41BC59EAADCAD524A565B728005531" xlink:type="locator" />
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    <link:label id="lab_atk_Leaserightofuseasset_7C998AC50C720F59B74965B72801D03F_totalLabel_en-US" xlink:label="lab_atk_Leaserightofuseasset_7C998AC50C720F59B74965B72801D03F" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total lease right of use asset</link:label>
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    <link:label id="lab_us-gaap_LesseeOperatingLeaseLeaseNotYetCommencedTermOfContract1_A6495779E446B0A5807865B72805BE37_terseLabel_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLeaseNotYetCommencedTermOfContract1_A6495779E446B0A5807865B72805BE37" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Term of operating lease not yet commenced</link:label>
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    <link:label id="lab_us-gaap_FinanceLeaseInterestPaymentOnLiability_7AE0F6CD16196719759765B72806C70A_label_en-US" xlink:label="lab_us-gaap_FinanceLeaseInterestPaymentOnLiability_7AE0F6CD16196719759765B72806C70A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Finance Lease, Interest Payment on Liability</link:label>
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