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    <link:label id="lab_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_3069332858B66AE544C8048B78587BE9_label_en-US" xlink:label="lab_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_3069332858B66AE544C8048B78587BE9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_3069332858B66AE544C8048B78587BE9" xlink:type="locator" />
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue_E40430DE5FCC9E785F4C048B7859ABCE" xlink:type="locator" />
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings_01CE8CE859128B83A5D3048B7859057D" xlink:type="locator" />
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    <link:loc xlink:href="scsc-20161231.xsd#scsc_AlternateBaseRateLoansMember" xlink:label="loc_scsc_AlternateBaseRateLoansMember_3542DA587DA471C352E6F7656DF9F9C4" xlink:type="locator" />
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    <link:label id="lab_us-gaap_RangeAxis_2D6C8AC67B72C190BD9DF7656DF957AC_label_en-US" xlink:label="lab_us-gaap_RangeAxis_2D6C8AC67B72C190BD9DF7656DF957AC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Range [Axis]</link:label>
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    <link:label id="lab_us-gaap_RangeMember_47660C68D5E83AE655A8F7656DF9144D_terseLabel_en-US" xlink:label="lab_us-gaap_RangeMember_47660C68D5E83AE655A8F7656DF9144D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Range [Domain]</link:label>
    <link:label id="lab_us-gaap_RangeMember_47660C68D5E83AE655A8F7656DF9144D_label_en-US" xlink:label="lab_us-gaap_RangeMember_47660C68D5E83AE655A8F7656DF9144D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Range [Domain]</link:label>
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    <link:label id="lab_us-gaap_MinimumMember_A916DC7B1DA6BF3E8E18F7656DF9787F_terseLabel_en-US" xlink:label="lab_us-gaap_MinimumMember_A916DC7B1DA6BF3E8E18F7656DF9787F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Minimum</link:label>
    <link:label id="lab_us-gaap_MinimumMember_A916DC7B1DA6BF3E8E18F7656DF9787F_label_en-US" xlink:label="lab_us-gaap_MinimumMember_A916DC7B1DA6BF3E8E18F7656DF9787F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Minimum [Member]</link:label>
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    <link:label id="lab_us-gaap_MaximumMember_7F6E02E5B314F5CCB217F7656DF95FB1_terseLabel_en-US" xlink:label="lab_us-gaap_MaximumMember_7F6E02E5B314F5CCB217F7656DF95FB1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Maximum</link:label>
    <link:label id="lab_us-gaap_MaximumMember_7F6E02E5B314F5CCB217F7656DF95FB1_label_en-US" xlink:label="lab_us-gaap_MaximumMember_7F6E02E5B314F5CCB217F7656DF95FB1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Maximum [Member]</link:label>
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    <link:label id="lab_us-gaap_DebtInstrumentLineItems_E6356AB9D4B055E6A728F7656DF9D700_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentLineItems_E6356AB9D4B055E6A728F7656DF9D700" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument [Line Items]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DebtInstrumentLineItems" xlink:label="loc_us-gaap_DebtInstrumentLineItems_E6356AB9D4B055E6A728F7656DF9D700" xlink:type="locator" />
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_FE0D36ACF87287B34013F7656DF93E77" xlink:type="locator" />
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LineOfCreditFacilityExpirationDate1" xlink:label="loc_us-gaap_LineOfCreditFacilityExpirationDate1_B97A0D18643CD9554090F7656DF9F06E" xlink:type="locator" />
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    <link:label id="lab_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_117A82EDBD64846B11D2F7656DF9D2B2_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_117A82EDBD64846B11D2F7656DF9D2B2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Percentage spread points on variable rate debt instrument</link:label>
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    <link:label id="lab_scsc_PercentageOfCapitalStockOrOtherEquityInterestPledgedPerCreditAgreement_CFE2373AA4D3D95ED93FF7656DF95D15_terseLabel_en-US" xlink:label="lab_scsc_PercentageOfCapitalStockOrOtherEquityInterestPledgedPerCreditAgreement_CFE2373AA4D3D95ED93FF7656DF95D15" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Percentage of capital stock or other equity interest pledged per credit agreement (up to)</link:label>
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    <link:label id="lab_us-gaap_SegmentReportingDisclosureTextBlock_91C5AE5D5345889E5844EC3552970258_label_en-US" xlink:label="lab_us-gaap_SegmentReportingDisclosureTextBlock_2F47334559DA54D18A48F4EBF375CABC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Segment Reporting Disclosure [Text Block]</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_0CBC8EF2C4A35680973097265D608172" xlink:type="locator" />
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    <link:label id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities_C646D75A6CDA762B2F37311422652AAF_totalLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities_ED040D2DAF03575B9A303D609AA5E458" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net cash provided by (used in) investing activities</link:label>
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