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    <link:label id="lab_jbl_SeniorNotesDueDecember2020Member_D043FBB8682512B539FA8A7F92431975_terseLabel_en-US" xlink:label="lab_jbl_SeniorNotesDueDecember2020Member_D043FBB8682512B539FA8A7F92431975" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">5.625% Senior Notes</link:label>
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    <link:label id="lab_us-gaap_DebtInstrumentLineItems_6FF146CAC934620A66818A7F9244836F_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentLineItems_6FF146CAC934620A66818A7F9244836F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument [Line Items]</link:label>
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    <link:label id="lab_us-gaap_EmployeeSeveranceMember_C5B30B81102A2C7B8B59757C3DCCACC5_terseLabel_en-US" xlink:label="lab_us-gaap_EmployeeSeveranceMember_C5B30B81102A2C7B8B59757C3DCCACC5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Employee severance and benefit costs</link:label>
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    <link:label id="lab_jbl_LeaseCostsMember_CDDAB74D8DB684CD25B1757C3DCC5AB7_terseLabel_en-US" xlink:label="lab_jbl_LeaseCostsMember_CDDAB74D8DB684CD25B1757C3DCC5AB7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Lease costs</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_4F908770FB6EBAD118C31477BDBCE109" xlink:type="locator"/>
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_4F908770FB6EBAD118C31477BDBCE109" xlink:to="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_4F908770FB6EBAD118C31477BDBCE109" xlink:type="arc"/>
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_C4D68B3D141F113AEDEF1477BDBCC9B2_terseLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_C4D68B3D141F113AEDEF1477BDBCC9B2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash flows provided by (used in) investing activities:</link:label>
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_C4D68B3D141F113AEDEF1477BDBCC9B2_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_C4D68B3D141F113AEDEF1477BDBCC9B2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Cash Provided by (Used in) Investing Activities [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_C4D68B3D141F113AEDEF1477BDBCC9B2" xlink:type="locator"/>
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    <link:label id="lab_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_4978389E361BFA86D6361477BDBD229C_negatedLabel_en-US" xlink:label="lab_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_4978389E361BFA86D6361477BDBD229C" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Acquisition of property, plant and equipment</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:label="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_4978389E361BFA86D6361477BDBD229C" xlink:type="locator"/>
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    <link:label id="lab_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_215311CB619705DB15681477BDBDFAE0_negatedLabel_en-US" xlink:label="lab_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_215311CB619705DB15681477BDBDFAE0" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Cash paid for business and intangible asset acquisitions, net of cash</link:label>
    <link:label id="lab_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_215311CB619705DB15681477BDBDFAE0_label_en-US" xlink:label="lab_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_215311CB619705DB15681477BDBDFAE0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments to Acquire Businesses, Net of Cash Acquired</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired" xlink:label="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_215311CB619705DB15681477BDBDFAE0" xlink:type="locator"/>
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    <link:label id="lab_jbl_ProceedsFromSaleofAssetBackedSecuritizedReceivables_5AAE1E7FC5889A6DDC1A148FE8C16632_terseLabel_en-US" xlink:label="lab_jbl_ProceedsFromSaleofAssetBackedSecuritizedReceivables_5AAE1E7FC5889A6DDC1A148FE8C16632" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash receipts on sold receivables</link:label>
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    <link:loc xlink:href="jbl-20181130.xsd#jbl_ProceedsFromSaleofAssetBackedSecuritizedReceivables" xlink:label="loc_jbl_ProceedsFromSaleofAssetBackedSecuritizedReceivables_5AAE1E7FC5889A6DDC1A148FE8C16632" xlink:type="locator"/>
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    <link:label id="lab_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_DAABDB9128909FC318091477BDBD77CA_negatedLabel_en-US" xlink:label="lab_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_DAABDB9128909FC318091477BDBD77CA" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Other, net</link:label>
    <link:label id="lab_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_DAABDB9128909FC318091477BDBD77CA_label_en-US" xlink:label="lab_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_DAABDB9128909FC318091477BDBD77CA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments for (Proceeds from) Other Investing Activities</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PaymentsForProceedsFromOtherInvestingActivities" xlink:label="loc_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_DAABDB9128909FC318091477BDBD77CA" xlink:type="locator"/>
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    <link:label id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities_8D3E8CD2C0E36A8CBD2E1477BDBE98CC_totalLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities_8D3E8CD2C0E36A8CBD2E1477BDBE98CC" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net cash (used in) provided by investing activities</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_8D3E8CD2C0E36A8CBD2E1477BDBE98CC" xlink:type="locator"/>
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    <link:label id="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_4DA25CE1BC981C15BF4E1477BDBE8DEB_terseLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_4DA25CE1BC981C15BF4E1477BDBE8DEB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash flows provided by (used in) financing activities:</link:label>
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_4DA25CE1BC981C15BF4E1477BDBE8DEB_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_4DA25CE1BC981C15BF4E1477BDBE8DEB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Cash Provided by (Used in) Financing Activities [Abstract]</link:label>
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    <link:label id="lab_us-gaap_ProceedsFromOtherDebt_4A9697958AA4779F11061477BDBE0A91_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromOtherDebt_4A9697958AA4779F11061477BDBE0A91" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Borrowings under debt agreements</link:label>
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    <link:label id="lab_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_4EB5AAA69B807FC0D4C01477BDBF3B3C_negatedLabel_en-US" xlink:label="lab_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_4EB5AAA69B807FC0D4C01477BDBF3B3C" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Treasury stock minimum tax withholding related to vesting of restricted stock</link:label>
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    <link:label id="lab_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_8EE17752E6E350C1013F1477BDBF82D8_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_8EE17752E6E350C1013F1477BDBF82D8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other, net</link:label>
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    <link:label id="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_B3A93E125BC16EB4B7A019E26AE6C48A_terseLabel_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_B3A93E125BC16EB4B7A019E26AE6C48A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash and cash equivalents</link:label>
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    <link:label id="lab_us-gaap_AccountsAndOtherReceivablesNetCurrent_29957D4F2D52722D2A5A19E26AE621C1_terseLabel_en-US" xlink:label="lab_us-gaap_AccountsAndOtherReceivablesNetCurrent_29957D4F2D52722D2A5A19E26AE621C1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accounts receivable, net of allowance for doubtful accounts of $14,401 as of November 30, 2018 and $15,181 as of August 31, 2018</link:label>
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    <link:label id="lab_us-gaap_AssetsCurrent_9F4778461E28C332B30919E26AE7FC3E_totalLabel_en-US" xlink:label="lab_us-gaap_AssetsCurrent_9F4778461E28C332B30919E26AE7FC3E" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total current assets</link:label>
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    <link:label id="lab_us-gaap_PropertyPlantAndEquipmentNet_57659CA9B882B1AD1D1719E26AE72A53_terseLabel_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentNet_57659CA9B882B1AD1D1719E26AE72A53" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Property, plant and equipment, net of accumulated depreciation of $3,761,554 as of November 30, 2018 and $3,646,945 as of August 31, 2018</link:label>
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    <link:label id="lab_us-gaap_Goodwill_84C53651D454544495B219E26AE786A2_label_en-US" xlink:label="lab_us-gaap_Goodwill_84C53651D454544495B219E26AE786A2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Goodwill</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_Goodwill" xlink:label="loc_us-gaap_Goodwill_84C53651D454544495B219E26AE786A2" xlink:type="locator"/>
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_Goodwill_84C53651D454544495B219E26AE786A2" xlink:to="lab_us-gaap_Goodwill_84C53651D454544495B219E26AE786A2" xlink:type="arc"/>
    <link:label id="lab_us-gaap_IntangibleAssetsNetExcludingGoodwill_C9165438B67BB499BA2B19E26AE71210_terseLabel_en-US" xlink:label="lab_us-gaap_IntangibleAssetsNetExcludingGoodwill_C9165438B67BB499BA2B19E26AE71210" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Intangible assets, net of accumulated amortization of $314,219 as of November 30, 2018 and $307,178 as of August 31, 2018</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LiabilitiesCurrentAbstract" xlink:label="loc_us-gaap_LiabilitiesCurrentAbstract_79919EB30F692BDB06B419E26AE8EAF7" xlink:type="locator"/>
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    <link:label id="lab_us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_5EB54B207E382237913719E26AE83279_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_5EB54B207E382237913719E26AE83279" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Current installments of notes payable and long-term debt</link:label>
    <link:label id="lab_us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_5EB54B207E382237913719E26AE83279_label_en-US" xlink:label="lab_us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_5EB54B207E382237913719E26AE83279" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-term Debt and Capital Lease Obligations, Current</link:label>
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