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    <link:label id="lab_ayi_ExercisePriceRangeOneMemberMember_7EE698D23645C187B13AA7102FA4752C_documentation_en-US" xlink:label="lab_ayi_ExercisePriceRangeOneMemberMember_7EE698D23645C187B13AA7102FA4752C" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Exercise Price Range One [Member] [Member]</link:label>
    <link:loc xlink:href="ayi-20180831.xsd#ayi_ExercisePriceRangeOneMemberMember" xlink:label="loc_ayi_ExercisePriceRangeOneMemberMember_7EE698D23645C187B13AA7102FA4752C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ayi_ExercisePriceRangeOneMemberMember_7EE698D23645C187B13AA7102FA4752C" xlink:to="lab_ayi_ExercisePriceRangeOneMemberMember_7EE698D23645C187B13AA7102FA4752C" xlink:type="arc" />
    <link:label id="lab_ayi_ExercisePriceRangeTwoMember_B0FEA2DF9306F21652FAA7102FA48068_terseLabel_en-US" xlink:label="lab_ayi_ExercisePriceRangeTwoMember_B0FEA2DF9306F21652FAA7102FA48068" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">$100.01 - $160.00 (average life - 6.7 years)</link:label>
    <link:label id="lab_ayi_ExercisePriceRangeTwoMember_B0FEA2DF9306F21652FAA7102FA48068_label_en-US" xlink:label="lab_ayi_ExercisePriceRangeTwoMember_B0FEA2DF9306F21652FAA7102FA48068" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Exercise Price Range Two [Member]</link:label>
    <link:label id="lab_ayi_ExercisePriceRangeTwoMember_B0FEA2DF9306F21652FAA7102FA48068_documentation_en-US" xlink:label="lab_ayi_ExercisePriceRangeTwoMember_B0FEA2DF9306F21652FAA7102FA48068" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Exercise Price Range Two [Member]</link:label>
    <link:loc xlink:href="ayi-20180831.xsd#ayi_ExercisePriceRangeTwoMember" xlink:label="loc_ayi_ExercisePriceRangeTwoMember_B0FEA2DF9306F21652FAA7102FA48068" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ayi_ExercisePriceRangeTwoMember_B0FEA2DF9306F21652FAA7102FA48068" xlink:to="lab_ayi_ExercisePriceRangeTwoMember_B0FEA2DF9306F21652FAA7102FA48068" xlink:type="arc" />
    <link:label id="lab_ayi_ExercisePriceRangeThreeMember_5F3CC1B6ADAD641DF722A7102FA4992E_terseLabel_en-US" xlink:label="lab_ayi_ExercisePriceRangeThreeMember_5F3CC1B6ADAD641DF722A7102FA4992E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">$160.01 - $210.00 (average life - 7.2 years)</link:label>
    <link:label id="lab_ayi_ExercisePriceRangeThreeMember_5F3CC1B6ADAD641DF722A7102FA4992E_label_en-US" xlink:label="lab_ayi_ExercisePriceRangeThreeMember_5F3CC1B6ADAD641DF722A7102FA4992E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Exercise Price Range Three [Member]</link:label>
    <link:label id="lab_ayi_ExercisePriceRangeThreeMember_5F3CC1B6ADAD641DF722A7102FA4992E_documentation_en-US" xlink:label="lab_ayi_ExercisePriceRangeThreeMember_5F3CC1B6ADAD641DF722A7102FA4992E" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Exercise Price Range Three [Member]</link:label>
    <link:loc xlink:href="ayi-20180831.xsd#ayi_ExercisePriceRangeThreeMember" xlink:label="loc_ayi_ExercisePriceRangeThreeMember_5F3CC1B6ADAD641DF722A7102FA4992E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ayi_ExercisePriceRangeThreeMember_5F3CC1B6ADAD641DF722A7102FA4992E" xlink:to="lab_ayi_ExercisePriceRangeThreeMember_5F3CC1B6ADAD641DF722A7102FA4992E" xlink:type="arc" />
    <link:label id="lab_ayi_ExercisePriceRangeFourMember_FC00A27E0DAAAF9F4A3DA7102FA4AF48_terseLabel_en-US" xlink:label="lab_ayi_ExercisePriceRangeFourMember_FC00A27E0DAAAF9F4A3DA7102FA4AF48" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">$210.01 - $239.76 (average life - 8.1 years)</link:label>
    <link:label id="lab_ayi_ExercisePriceRangeFourMember_FC00A27E0DAAAF9F4A3DA7102FA4AF48_label_en-US" xlink:label="lab_ayi_ExercisePriceRangeFourMember_FC00A27E0DAAAF9F4A3DA7102FA4AF48" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Exercise Price Range Four [Member]</link:label>
    <link:label id="lab_ayi_ExercisePriceRangeFourMember_FC00A27E0DAAAF9F4A3DA7102FA4AF48_documentation_en-US" xlink:label="lab_ayi_ExercisePriceRangeFourMember_FC00A27E0DAAAF9F4A3DA7102FA4AF48" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Exercise Price Range Four [Member]</link:label>
    <link:loc xlink:href="ayi-20180831.xsd#ayi_ExercisePriceRangeFourMember" xlink:label="loc_ayi_ExercisePriceRangeFourMember_FC00A27E0DAAAF9F4A3DA7102FA4AF48" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ayi_ExercisePriceRangeFourMember_FC00A27E0DAAAF9F4A3DA7102FA4AF48" xlink:to="lab_ayi_ExercisePriceRangeFourMember_FC00A27E0DAAAF9F4A3DA7102FA4AF48" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_156DA63859D3E5E10F34A7102FA82BE6_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_156DA63859D3E5E10F34A7102FA82BE6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award [Line Items]</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_156DA63859D3E5E10F34A7102FA82BE6_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_156DA63859D3E5E10F34A7102FA82BE6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award [Line Items]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_156DA63859D3E5E10F34A7102FA82BE6" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_156DA63859D3E5E10F34A7102FA82BE6" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_156DA63859D3E5E10F34A7102FA82BE6" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_64372660DBB35ADDB4ABA7102FA8B765_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_64372660DBB35ADDB4ABA7102FA8B765" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of shares authorized for issuance (shares)</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_64372660DBB35ADDB4ABA7102FA8B765_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_64372660DBB35ADDB4ABA7102FA8B765" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_64372660DBB35ADDB4ABA7102FA8B765" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_64372660DBB35ADDB4ABA7102FA8B765" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_64372660DBB35ADDB4ABA7102FA8B765" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized_2914299C247BB2AB66F1A7102FA8B565_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized_2914299C247BB2AB66F1A7102FA8B565" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of additional shares authorized for issuance (shares)</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized_2914299C247BB2AB66F1A7102FA8B565_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized_2914299C247BB2AB66F1A7102FA8B565" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized_2914299C247BB2AB66F1A7102FA8B565" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized_2914299C247BB2AB66F1A7102FA8B565" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized_2914299C247BB2AB66F1A7102FA8B565" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_F64CD3670F3EB68C1FFAA7102FA84617_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_F64CD3670F3EB68C1FFAA7102FA84617" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of shares available for grant (shares)</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_F64CD3670F3EB68C1FFAA7102FA84617_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_F64CD3670F3EB68C1FFAA7102FA84617" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_F64CD3670F3EB68C1FFAA7102FA84617" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_F64CD3670F3EB68C1FFAA7102FA84617" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_F64CD3670F3EB68C1FFAA7102FA84617" xlink:type="arc" />
    <link:label id="lab_ayi_ShareBasedCompensationArrangementRestrictedStockAwardsAbstract_0C17888A3F795CF8B073A7102FA8762B_label_en-US" xlink:label="lab_ayi_ShareBasedCompensationArrangementRestrictedStockAwardsAbstract_0C17888A3F795CF8B073A7102FA8762B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement, Restricted Stock Awards [Abstract]</link:label>
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    <link:loc xlink:href="ayi-20180831.xsd#ayi_ShareBasedCompensationArrangementRestrictedStockAwardsAbstract" xlink:label="loc_ayi_ShareBasedCompensationArrangementRestrictedStockAwardsAbstract_0C17888A3F795CF8B073A7102FA8762B" xlink:type="locator" />
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    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_03EDA896C2F660317E6BA7102FA82CBD_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_03EDA896C2F660317E6BA7102FA82CBD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Share-based compensation vesting period (years)</link:label>
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    <link:label id="lab_us-gaap_AllocatedShareBasedCompensationExpense_B3C2E7797D8FF5348F3CA7102FA865A0_terseLabel_en-US" xlink:label="lab_us-gaap_AllocatedShareBasedCompensationExpense_B3C2E7797D8FF5348F3CA7102FA865A0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Share-based expense</link:label>
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    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_8845B5E170EC24DFE584A7102FB6D915_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_8845B5E170EC24DFE584A7102FB6D915" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total intrinsic value of stock options exercised</link:label>
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    <link:label id="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1_37C9FCC0ABB6BC5BBCDBA7102FB6C072_terseLabel_en-US" xlink:label="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1_37C9FCC0ABB6BC5BBCDBA7102FB6C072" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total intrinsic value of stock options exercisable</link:label>
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    <link:label id="lab_ayi_DeferredCompensationArrangementSharesOutstanding_9DEA33A28AD0DAB66C4AA7102FB6226A_terseLabel_en-US" xlink:label="lab_ayi_DeferredCompensationArrangementSharesOutstanding_9DEA33A28AD0DAB66C4AA7102FB6226A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred compensation, number of share units outstanding</link:label>
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    <link:label id="lab_ayi_DeferredCompensationArrangementDeferralPercentageOfAnnualRetainer_4C3EDB7099FB0E84F3EFA7102FB66807_terseLabel_en-US" xlink:label="lab_ayi_DeferredCompensationArrangementDeferralPercentageOfAnnualRetainer_4C3EDB7099FB0E84F3EFA7102FB66807" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred compensation, deferral percentage of annual retainer</link:label>
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    <link:label id="lab_ayi_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrantWithRestrictions_4C80D1AF37D3F8E5B660A7102FB658FB_terseLabel_en-US" xlink:label="lab_ayi_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrantWithRestrictions_4C80D1AF37D3F8E5B660A7102FB658FB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of shares available for grant with shareholders approval (shares)</link:label>
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    <link:label id="lab_us-gaap_LiabilitiesOtherThanLongTermDebtNoncurrentAbstract_3F847204836AC1BFF2A121EBC73F2923_terseLabel_en-US" xlink:label="lab_us-gaap_LiabilitiesOtherThanLongTermDebtNoncurrentAbstract_3F847204836AC1BFF2A121EBC73F2923" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other Long-Term Liabilities [Abstract]</link:label>
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    <link:label id="lab_us-gaap_ProductWarrantyAccrualNoncurrent_D2E4E16419192E1E715721EBC740DD2E_terseLabel_en-US" xlink:label="lab_us-gaap_ProductWarrantyAccrualNoncurrent_D2E4E16419192E1E715721EBC740DD2E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Long-term warranty obligations</link:label>
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    <link:label id="lab_us-gaap_OtherLiabilitiesNoncurrent_1A8FBE0BF3B93BD2884921EBC740D070_terseLabel_en-US" xlink:label="lab_us-gaap_OtherLiabilitiesNoncurrent_1A8FBE0BF3B93BD2884921EBC740D070" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other</link:label>
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    <link:label id="lab_ayi_DeferredCompensationArrangementWithIndividualAutomaticContributionRate_1EA8B8846F24B222CDC221EBC7404B4C_terseLabel_en-US" xlink:label="lab_ayi_DeferredCompensationArrangementWithIndividualAutomaticContributionRate_1EA8B8846F24B222CDC221EBC7404B4C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Percentage contribution rate of eligible employee's compensation</link:label>
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    <link:label id="lab_us-gaap_ProductWarrantyAccrual_FA1973C465D773EE00D5366F514A1ACB_label_en-US" xlink:label="lab_us-gaap_ProductWarrantyAccrual_FA1973C465D773EE00D5366F514A1ACB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Standard and Extended Product Warranty Accrual</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProductWarrantyAccrual" xlink:label="loc_us-gaap_ProductWarrantyAccrual_FA1973C465D773EE00D5366F514A1ACB" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProductWarrantyAccrual_FA1973C465D773EE00D5366F514A1ACB" xlink:to="lab_us-gaap_ProductWarrantyAccrual_FA1973C465D773EE00D5366F514A1ACB" xlink:type="arc" />
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProductWarrantyAccrual" xlink:label="loc_us-gaap_ProductWarrantyAccrual_79AAD682EB74F17402B1366F514BCC24" xlink:type="locator" />
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    <link:label id="lab_us-gaap_RetirementPlanFundingStatusAxis_24AC6647776890E265D7A70B30A1ABBF_label_en-US" xlink:label="lab_us-gaap_RetirementPlanFundingStatusAxis_24AC6647776890E265D7A70B30A1ABBF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Retirement Plan Funding Status [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RetirementPlanFundingStatusAxis" xlink:label="loc_us-gaap_RetirementPlanFundingStatusAxis_24AC6647776890E265D7A70B30A1ABBF" xlink:type="locator" />
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    <link:label id="lab_us-gaap_RetirementPlanFundingStatusDomain_F60D9C661F332CEA60C3A70B30A1B50C_label_en-US" xlink:label="lab_us-gaap_RetirementPlanFundingStatusDomain_F60D9C661F332CEA60C3A70B30A1B50C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Retirement Plan Funding Status [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RetirementPlanFundingStatusDomain" xlink:label="loc_us-gaap_RetirementPlanFundingStatusDomain_F60D9C661F332CEA60C3A70B30A1B50C" xlink:type="locator" />
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    <link:label id="lab_us-gaap_OverfundedPlanMember_D4FFE7CF608643760F09A70B30A2DCEE_terseLabel_en-US" xlink:label="lab_us-gaap_OverfundedPlanMember_D4FFE7CF608643760F09A70B30A2DCEE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Pensions plans in which plan assets exceed benefit obligation:</link:label>
    <link:label id="lab_us-gaap_OverfundedPlanMember_D4FFE7CF608643760F09A70B30A2DCEE_label_en-US" xlink:label="lab_us-gaap_OverfundedPlanMember_D4FFE7CF608643760F09A70B30A2DCEE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Overfunded Plan [Member]</link:label>
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    <link:label id="lab_us-gaap_OtherIntangibleAssetsMember_666762B8467F75CBFB5FA6C17DB1DFC1_label_en-US" xlink:label="lab_us-gaap_OtherIntangibleAssetsMember_666762B8467F75CBFB5FA6C17DB1DFC1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Intangible Assets [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherIntangibleAssetsMember" xlink:label="loc_us-gaap_OtherIntangibleAssetsMember_666762B8467F75CBFB5FA6C17DB1DFC1" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherIntangibleAssetsMember_666762B8467F75CBFB5FA6C17DB1DFC1" xlink:to="lab_us-gaap_OtherIntangibleAssetsMember_666762B8467F75CBFB5FA6C17DB1DFC1" xlink:type="arc" />
    <link:label id="lab_us-gaap_AcquiredFiniteLivedIntangibleAssetsLineItems_9059CBB0EF41CA146949A6C17DB12C0F_terseLabel_en-US" xlink:label="lab_us-gaap_AcquiredFiniteLivedIntangibleAssetsLineItems_9059CBB0EF41CA146949A6C17DB12C0F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Acquired Finite-Lived Intangible Assets [Line Items]</link:label>
    <link:label id="lab_us-gaap_AcquiredFiniteLivedIntangibleAssetsLineItems_9059CBB0EF41CA146949A6C17DB12C0F_label_en-US" xlink:label="lab_us-gaap_AcquiredFiniteLivedIntangibleAssetsLineItems_9059CBB0EF41CA146949A6C17DB12C0F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Acquired Finite-Lived Intangible Assets [Line Items]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AcquiredFiniteLivedIntangibleAssetsLineItems" xlink:label="loc_us-gaap_AcquiredFiniteLivedIntangibleAssetsLineItems_9059CBB0EF41CA146949A6C17DB12C0F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AcquiredFiniteLivedIntangibleAssetsLineItems_9059CBB0EF41CA146949A6C17DB12C0F" xlink:to="lab_us-gaap_AcquiredFiniteLivedIntangibleAssetsLineItems_9059CBB0EF41CA146949A6C17DB12C0F" xlink:type="arc" />
    <link:label id="lab_us-gaap_GoodwillRollForward_C8467643A70C39A3A751A6C17DB1F515_terseLabel_en-US" xlink:label="lab_us-gaap_GoodwillRollForward_C8467643A70C39A3A751A6C17DB1F515" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Goodwill [Roll Forward]</link:label>
    <link:label id="lab_us-gaap_GoodwillRollForward_C8467643A70C39A3A751A6C17DB1F515_label_en-US" xlink:label="lab_us-gaap_GoodwillRollForward_C8467643A70C39A3A751A6C17DB1F515" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Goodwill [Roll Forward]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_GoodwillRollForward" xlink:label="loc_us-gaap_GoodwillRollForward_C8467643A70C39A3A751A6C17DB1F515" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_GoodwillRollForward_C8467643A70C39A3A751A6C17DB1F515" xlink:to="lab_us-gaap_GoodwillRollForward_C8467643A70C39A3A751A6C17DB1F515" xlink:type="arc" />
    <link:label id="lab_us-gaap_Goodwill_82CB15E4335E1546246AA6C17DB20AE7_periodStartLabel_en-US" xlink:label="lab_us-gaap_Goodwill_82CB15E4335E1546246AA6C17DB20AE7" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Goodwill</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_Goodwill" xlink:label="loc_us-gaap_Goodwill_82CB15E4335E1546246AA6C17DB20AE7" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_Goodwill_82CB15E4335E1546246AA6C17DB20AE7" xlink:to="lab_us-gaap_Goodwill_82CB15E4335E1546246AA6C17DB20AE7" xlink:type="arc" />
    <link:label id="lab_us-gaap_GoodwillPurchaseAccountingAdjustments_64D44885625EEAC16F9EA6C17DB21374_terseLabel_en-US" xlink:label="lab_us-gaap_GoodwillPurchaseAccountingAdjustments_64D44885625EEAC16F9EA6C17DB21374" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Adjustments to provisional amounts</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_GoodwillPurchaseAccountingAdjustments" xlink:label="loc_us-gaap_GoodwillPurchaseAccountingAdjustments_64D44885625EEAC16F9EA6C17DB21374" xlink:type="locator" />
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    <link:label id="lab_us-gaap_GoodwillAcquiredDuringPeriod_77EB968214208C40ACB7A6C17DB2C722_terseLabel_en-US" xlink:label="lab_us-gaap_GoodwillAcquiredDuringPeriod_77EB968214208C40ACB7A6C17DB2C722" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Additions from acquired businesses</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_GoodwillAcquiredDuringPeriod" xlink:label="loc_us-gaap_GoodwillAcquiredDuringPeriod_77EB968214208C40ACB7A6C17DB2C722" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_GoodwillAcquiredDuringPeriod_77EB968214208C40ACB7A6C17DB2C722" xlink:to="lab_us-gaap_GoodwillAcquiredDuringPeriod_77EB968214208C40ACB7A6C17DB2C722" xlink:type="arc" />
    <link:label id="lab_us-gaap_GoodwillForeignCurrencyTranslationGainLoss_3FAD40B11C5F502FC798A6C17DB34AF9_terseLabel_en-US" xlink:label="lab_us-gaap_GoodwillForeignCurrencyTranslationGainLoss_3FAD40B11C5F502FC798A6C17DB34AF9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Foreign currency translation adjustments</link:label>
    <link:label id="lab_us-gaap_GoodwillForeignCurrencyTranslationGainLoss_3FAD40B11C5F502FC798A6C17DB34AF9_label_en-US" xlink:label="lab_us-gaap_GoodwillForeignCurrencyTranslationGainLoss_3FAD40B11C5F502FC798A6C17DB34AF9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Goodwill, Foreign Currency Translation Gain (Loss)</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_GoodwillForeignCurrencyTranslationGainLoss" xlink:label="loc_us-gaap_GoodwillForeignCurrencyTranslationGainLoss_3FAD40B11C5F502FC798A6C17DB34AF9" xlink:type="locator" />
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    <link:label id="lab_us-gaap_Goodwill_679F1BAA2EA35BB09E66A6C17DB3CB72_periodEndLabel_en-US" xlink:label="lab_us-gaap_Goodwill_679F1BAA2EA35BB09E66A6C17DB3CB72" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Goodwill</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_Goodwill" xlink:label="loc_us-gaap_Goodwill_679F1BAA2EA35BB09E66A6C17DB3CB72" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_Goodwill_679F1BAA2EA35BB09E66A6C17DB3CB72" xlink:to="lab_us-gaap_Goodwill_679F1BAA2EA35BB09E66A6C17DB3CB72" xlink:type="arc" />
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsGross_2E2E75E15205DE557782A6C17DB375A3_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsGross_2E2E75E15205DE557782A6C17DB375A3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Amortized intangible assets, Gross Carrying Amount</link:label>
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsGross_2E2E75E15205DE557782A6C17DB375A3_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsGross_2E2E75E15205DE557782A6C17DB375A3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Finite-Lived Intangible Assets, Gross</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsGross" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsGross_2E2E75E15205DE557782A6C17DB375A3" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsGross_2E2E75E15205DE557782A6C17DB375A3" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsGross_2E2E75E15205DE557782A6C17DB375A3" xlink:type="arc" />
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_BE96C5B658606143F811A6C17DB3442D_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_BE96C5B658606143F811A6C17DB3442D" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Accumulated Amortization</link:label>
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_BE96C5B658606143F811A6C17DB3442D_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_BE96C5B658606143F811A6C17DB3442D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Finite-Lived Intangible Assets, Accumulated Amortization</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_BE96C5B658606143F811A6C17DB3442D" xlink:type="locator" />
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract_4B55DE3F6E87D905F743A6C17DB3FDEB" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract_4B55DE3F6E87D905F743A6C17DB3FDEB" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract_4B55DE3F6E87D905F743A6C17DB3FDEB" xlink:type="arc" />
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_BD7C5CB20EED83A85D4EA6C17DB3C052_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_BD7C5CB20EED83A85D4EA6C17DB3C052" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Amortization expense in fiscal 2019</link:label>
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_BD7C5CB20EED83A85D4EA6C17DB3C052_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_BD7C5CB20EED83A85D4EA6C17DB3C052" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_BD7C5CB20EED83A85D4EA6C17DB3C052" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_BD7C5CB20EED83A85D4EA6C17DB3C052" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_BD7C5CB20EED83A85D4EA6C17DB3C052" xlink:type="arc" />
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_C5C7F3865A4B31009807A6C17DB4E57D_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_C5C7F3865A4B31009807A6C17DB4E57D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Amortization expense in fiscal 2020</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_C5C7F3865A4B31009807A6C17DB4E57D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_C5C7F3865A4B31009807A6C17DB4E57D" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_C5C7F3865A4B31009807A6C17DB4E57D" xlink:type="arc" />
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_CB44AE383CA92741C2CDA6C17DB4042C_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_CB44AE383CA92741C2CDA6C17DB4042C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Amortization expense in fiscal 2021</link:label>
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_CB44AE383CA92741C2CDA6C17DB4042C_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_CB44AE383CA92741C2CDA6C17DB4042C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Finite-Lived Intangible Assets, Amortization Expense, Year Three</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_CB44AE383CA92741C2CDA6C17DB4042C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_CB44AE383CA92741C2CDA6C17DB4042C" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_CB44AE383CA92741C2CDA6C17DB4042C" xlink:type="arc" />
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_4B7F260763DB36CB45EFA6C17DB4062B_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_4B7F260763DB36CB45EFA6C17DB4062B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Amortization expense in fiscal 2022</link:label>
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_4B7F260763DB36CB45EFA6C17DB4062B_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_4B7F260763DB36CB45EFA6C17DB4062B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Finite-Lived Intangible Assets, Amortization Expense, Year Four</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_4B7F260763DB36CB45EFA6C17DB4062B" xlink:type="locator" />
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    <link:label id="lab_us-gaap_RestructuringCostAndReserveAxis_5DBAB2FB4BDB6E1C6C0BA6CAF1EAE0D0_terseLabel_en-US" xlink:label="lab_us-gaap_RestructuringCostAndReserveAxis_5DBAB2FB4BDB6E1C6C0BA6CAF1EAE0D0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Restructuring Cost and Reserve [Axis]</link:label>
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    <link:label id="lab_us-gaap_TypeOfRestructuringDomain_F1E8E01D5DFD6A961ED6A6CAF1EA3A74_terseLabel_en-US" xlink:label="lab_us-gaap_TypeOfRestructuringDomain_F1E8E01D5DFD6A961ED6A6CAF1EA3A74" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Type of Restructuring [Domain]</link:label>
    <link:label id="lab_us-gaap_TypeOfRestructuringDomain_F1E8E01D5DFD6A961ED6A6CAF1EA3A74_label_en-US" xlink:label="lab_us-gaap_TypeOfRestructuringDomain_F1E8E01D5DFD6A961ED6A6CAF1EA3A74" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Type of Restructuring [Domain]</link:label>
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    <link:label id="lab_ayi_ConsolidationofFacilitiesandReductioninEmployeeHeadcountMember_610CBF1395DBD2C2F7C6A6CAF1EAFBB7_terseLabel_en-US" xlink:label="lab_ayi_ConsolidationofFacilitiesandReductioninEmployeeHeadcountMember_610CBF1395DBD2C2F7C6A6CAF1EAFBB7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Consolidation of facilities and reduction in employee headcount</link:label>
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    <link:label id="lab_ayi_StreamliningActivitiesRelatedtoSaleofBusinessMember_7328FC4453DFB6CA4CD0A6CAF1EA958C_terseLabel_en-US" xlink:label="lab_ayi_StreamliningActivitiesRelatedtoSaleofBusinessMember_7328FC4453DFB6CA4CD0A6CAF1EA958C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Streamlining activities related to sale of business</link:label>
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    <link:label id="lab_ayi_StreamliningActivitiesRelatedtoSaleofBusinessMember_7328FC4453DFB6CA4CD0A6CAF1EA958C_documentation_en-US" xlink:label="lab_ayi_StreamliningActivitiesRelatedtoSaleofBusinessMember_7328FC4453DFB6CA4CD0A6CAF1EA958C" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Streamlining Activities Related to Sale of Business [Member]</link:label>
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    <link:label id="lab_us-gaap_EmployeeSeveranceMember_DCF99117CDE11108C868A6CAF1EBB114_label_en-US" xlink:label="lab_us-gaap_EmployeeSeveranceMember_DCF99117CDE11108C868A6CAF1EBB114" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Employee Severance [Member]</link:label>
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    <link:label id="lab_us-gaap_OtherRestructuringMember_0B2B6296AB52BD4B884FA6CC1C4A3A75_terseLabel_en-US" xlink:label="lab_us-gaap_OtherRestructuringMember_0B2B6296AB52BD4B884FA6CC1C4A3A75" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other restructuring costs</link:label>
    <link:label id="lab_us-gaap_OtherRestructuringMember_0B2B6296AB52BD4B884FA6CC1C4A3A75_label_en-US" xlink:label="lab_us-gaap_OtherRestructuringMember_0B2B6296AB52BD4B884FA6CC1C4A3A75" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Restructuring [Member]</link:label>
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    <link:label id="lab_us-gaap_RestructuringReserve_9675E1D82DBBCB6C76A7A6CAF1EDB5DB_periodStartLabel_en-US" xlink:label="lab_us-gaap_RestructuringReserve_9675E1D82DBBCB6C76A7A6CAF1EDB5DB" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Remaining balance of severance reserve</link:label>
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