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    <link:label id="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_1E43F2B1BCF03FC591141985263FB5DD_totalLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_1E43F2B1BCF03FC591141985263FB5DD" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net cash provided by operating activities</link:label>
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_1E43F2B1BCF03FC591141985263FB5DD_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_1E43F2B1BCF03FC591141985263FB5DD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Cash Provided by (Used in) Operating Activities</link:label>
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    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_1E43F2B1BCF03FC591141985263FB5DD" xlink:to="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_1E43F2B1BCF03FC591141985263FB5DD" xlink:type="arc" />
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_2D550FF114BED1A616011985263FF931_verboseLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_2D550FF114BED1A616011985263FF931" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Cash flows from investing activities:</link:label>
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    <link:label id="lab_us-gaap_VariableRateDomain_919EE06A10B95036F96D5BD33B9AA2F0_label_en-US" xlink:label="lab_us-gaap_VariableRateDomain_919EE06A10B95036F96D5BD33B9AA2F0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Variable Rate [Domain]</link:label>
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    <link:label id="lab_ayi_EurocurrencyRateMember_6D481F75F5891369ECBD5BD33B9ACC09_documentation_en-US" xlink:label="lab_ayi_EurocurrencyRateMember_6D481F75F5891369ECBD5BD33B9ACC09" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Eurocurrency Rate [Member]</link:label>
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    <link:label id="lab_us-gaap_BaseRateMember_325AE7001AB4507B69D95BD33B9AC869_terseLabel_en-US" xlink:label="lab_us-gaap_BaseRateMember_325AE7001AB4507B69D95BD33B9AC869" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Base rate</link:label>
    <link:label id="lab_us-gaap_BaseRateMember_325AE7001AB4507B69D95BD33B9AC869_label_en-US" xlink:label="lab_us-gaap_BaseRateMember_325AE7001AB4507B69D95BD33B9AC869" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Base Rate [Member]</link:label>
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    <link:label id="lab_us-gaap_DebtInstrumentRedemptionPeriodAxis_3DA8D8319369F711AC8A5BD33B9DADD2_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentRedemptionPeriodAxis_3DA8D8319369F711AC8A5BD33B9DADD2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Redemption, Period [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DebtInstrumentRedemptionPeriodAxis" xlink:label="loc_us-gaap_DebtInstrumentRedemptionPeriodAxis_3DA8D8319369F711AC8A5BD33B9DADD2" xlink:type="locator" />
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    <link:label id="lab_us-gaap_DebtInstrumentRedemptionPeriodDomain_76B302BA8DF5CB651A685BD33B9D21DB_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentRedemptionPeriodDomain_76B302BA8DF5CB651A685BD33B9D21DB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Redemption, Period [Domain]</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_DebtInstrumentRedemptionPeriodTwoMember" xlink:label="loc_us-gaap_DebtInstrumentRedemptionPeriodTwoMember_575E4FF457F0D5889FA35BD33BA0B54A" xlink:type="locator" />
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