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    <link:label id="lab_us-gaap_LiabilitiesCurrent_5D9B874CD84189AC8C4B8F9011DD6179_totalLabel_en-US" xlink:label="lab_us-gaap_LiabilitiesCurrent_5D9B874CD84189AC8C4B8F9011DD6179" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total current liabilities</link:label>
    <link:label id="lab_us-gaap_LiabilitiesCurrent_5D9B874CD84189AC8C4B8F9011DD6179_label_en-US" xlink:label="lab_us-gaap_LiabilitiesCurrent_5D9B874CD84189AC8C4B8F9011DD6179" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Liabilities, Current</link:label>
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    <link:label id="lab_us-gaap_LongTermDebtNoncurrent_8A51A6BF23E2D68D5B388F9011DD4F79_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtNoncurrent_8A51A6BF23E2D68D5B388F9011DD4F79" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Long-term debt</link:label>
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    <link:label id="lab_ayi_OtherLongTermLiabilitiesAccruedPensionAndSelfInsuranceReservesNoncurrent_AFFF4EAB20CF017718CD8F9011DD9FB9_verboseLabel_en-US" xlink:label="lab_ayi_OtherLongTermLiabilitiesAccruedPensionAndSelfInsuranceReservesNoncurrent_AFFF4EAB20CF017718CD8F9011DD9FB9" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Other long-term liabilities</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_StandardProductWarrantyAccrualWarrantiesIssued" xlink:label="loc_us-gaap_StandardProductWarrantyAccrualWarrantiesIssued_D9D72CF115FBB23A7899993AAF187B2A" xlink:type="locator" />
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    <link:label id="lab_us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity_6490BFAE0894C43F2BB793C7993BB5C6_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity_6490BFAE0894C43F2BB793C7993BB5C6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Additional borrowing capacity under revolving credit facility</link:label>
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    <link:label id="lab_us-gaap_LettersOfCreditOutstandingAmount_45241FFC612557299FF493C7993BA5DE_terseLabel_en-US" xlink:label="lab_us-gaap_LettersOfCreditOutstandingAmount_45241FFC612557299FF493C7993BA5DE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Outstanding letters of credit</link:label>
    <link:label id="lab_us-gaap_LettersOfCreditOutstandingAmount_45241FFC612557299FF493C7993BA5DE_label_en-US" xlink:label="lab_us-gaap_LettersOfCreditOutstandingAmount_45241FFC612557299FF493C7993BA5DE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Letters of Credit Outstanding, Amount</link:label>
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