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    <link:label id="lab_us-gaap_AreaOfLand_559D0E056405C6163A062D6355AC2D5C_verboseLabel_en-US" xlink:label="lab_us-gaap_AreaOfLand_559D0E056405C6163A062D6355AC2D5C" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Area of Land</link:label>
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    <link:label id="lab_klic_PercentageOfBuildingAreaAgreedToLeaseFromLandlord_C84E2BDD32FF9E7599B62D6355AC3D35_verboseLabel_en-US" xlink:label="lab_klic_PercentageOfBuildingAreaAgreedToLeaseFromLandlord_C84E2BDD32FF9E7599B62D6355AC3D35" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Percentage Of Building Area Agreed To Lease From Landlord</link:label>
    <link:label id="lab_klic_PercentageOfBuildingAreaAgreedToLeaseFromLandlord_C84E2BDD32FF9E7599B62D6355AC3D35_label_en-US" xlink:label="lab_klic_PercentageOfBuildingAreaAgreedToLeaseFromLandlord_C84E2BDD32FF9E7599B62D6355AC3D35" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Percentage Of Building Area Agreed To Lease From Landlord</link:label>
    <link:label id="lab_klic_PercentageOfBuildingAreaAgreedToLeaseFromLandlord_C84E2BDD32FF9E7599B62D6355AC3D35_documentation_en-US" xlink:label="lab_klic_PercentageOfBuildingAreaAgreedToLeaseFromLandlord_C84E2BDD32FF9E7599B62D6355AC3D35" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents percentage of building area agreed to lease from the landlord.</link:label>
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    <link:label id="lab_us-gaap_LesseeLeasingArrangementsOperatingLeasesTermOfContract_42E71AABECADCB7BFE722D651FF5B0DA_terseLabel_en-US" xlink:label="lab_us-gaap_LesseeLeasingArrangementsOperatingLeasesTermOfContract_42E71AABECADCB7BFE722D651FF5B0DA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Lessee Leasing Arrangements, Operating Leases, Term of Contract</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LesseeLeasingArrangementsOperatingLeasesTermOfContract" xlink:label="loc_us-gaap_LesseeLeasingArrangementsOperatingLeasesTermOfContract_42E71AABECADCB7BFE722D651FF5B0DA" xlink:type="locator" />
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    <link:label id="lab_klic_PeriodOfWarrantyForManufacturingDefects_84EFCB4073012A2FACD32D6355AC0A33_documentation_en-US" xlink:label="lab_klic_PeriodOfWarrantyForManufacturingDefects_84EFCB4073012A2FACD32D6355AC0A33" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Representing period of warranty for manufacturing defects.</link:label>
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    <link:label id="lab_klic_AnnualRentAndServiceChargeMinimumRange_5A5789231B236ED5EF4D2D6355ACBED9_documentation_en-US" xlink:label="lab_klic_AnnualRentAndServiceChargeMinimumRange_5A5789231B236ED5EF4D2D6355ACBED9" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This amount represents the combined annual rent and service charges for the minimum range of initial term.</link:label>
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    <link:label id="lab_klic_AnnualRentAndServiceChargeMaximumRange_4D25C2D0CF679606EE232D6355ACB1A6_documentation_en-US" xlink:label="lab_klic_AnnualRentAndServiceChargeMaximumRange_4D25C2D0CF679606EE232D6355ACB1A6" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This amount represents the combined annual rent and service charges for the maximum range of initial term.</link:label>
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    <link:label id="lab_us-gaap_BuildingsAndImprovementsGross_B5632EDE2EE6875575A510432EFDB853_verboseLabel_en-US" xlink:label="lab_us-gaap_BuildingsAndImprovementsGross_B5632EDE2EE6875575A510432EFDB853" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Buildings and building improvements</link:label>
    <link:label id="lab_us-gaap_BuildingsAndImprovementsGross_B5632EDE2EE6875575A510432EFDB853_label_en-US" xlink:label="lab_us-gaap_BuildingsAndImprovementsGross_B5632EDE2EE6875575A510432EFDB853" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Buildings and Improvements, Gross</link:label>
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    <link:label id="lab_us-gaap_LeaseholdImprovementsGross_F616BC9EDDB6C843B6B710432F074524_verboseLabel_en-US" xlink:label="lab_us-gaap_LeaseholdImprovementsGross_F616BC9EDDB6C843B6B710432F074524" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Leasehold improvements</link:label>
    <link:label id="lab_us-gaap_LeaseholdImprovementsGross_F616BC9EDDB6C843B6B710432F074524_label_en-US" xlink:label="lab_us-gaap_LeaseholdImprovementsGross_F616BC9EDDB6C843B6B710432F074524" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Leasehold Improvements, Gross</link:label>
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    <link:label id="lab_klic_EquipmentAndSoftwareGross_3785C8BDD949DCE3F95110432F070F86_verboseLabel_en-US" xlink:label="lab_klic_EquipmentAndSoftwareGross_3785C8BDD949DCE3F95110432F070F86" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Data processing equipment and software</link:label>
    <link:label id="lab_klic_EquipmentAndSoftwareGross_3785C8BDD949DCE3F95110432F070F86_label_en-US" xlink:label="lab_klic_EquipmentAndSoftwareGross_3785C8BDD949DCE3F95110432F070F86" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equipment and Software Gross</link:label>
    <link:label id="lab_klic_EquipmentAndSoftwareGross_3785C8BDD949DCE3F95110432F070F86_documentation_en-US" xlink:label="lab_klic_EquipmentAndSoftwareGross_3785C8BDD949DCE3F95110432F070F86" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Gross amount, at the balance sheet date, of data processing equipment and software/</link:label>
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    <link:label id="lab_us-gaap_PropertyPlantAndEquipmentOther_EE4F96049DDD9959FEF710432F07CBA9_verboseLabel_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentOther_EE4F96049DDD9959FEF710432F07CBA9" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Machinery, equipment, furniture and fixtures</link:label>
    <link:label id="lab_us-gaap_PropertyPlantAndEquipmentOther_EE4F96049DDD9959FEF710432F07CBA9_label_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentOther_EE4F96049DDD9959FEF710432F07CBA9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Property, Plant and Equipment, Other, Gross</link:label>
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    <link:label id="lab_us-gaap_PropertyPlantAndEquipmentGross_8021172FA7FC32BF8F2510432F076CB5_totalLabel_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentGross_8021172FA7FC32BF8F2510432F076CB5" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Property, plant and equipment, gross</link:label>
    <link:label id="lab_us-gaap_PropertyPlantAndEquipmentGross_8021172FA7FC32BF8F2510432F076CB5_label_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentGross_8021172FA7FC32BF8F2510432F076CB5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Property, Plant and Equipment, Gross</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PropertyPlantAndEquipmentGross" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentGross_8021172FA7FC32BF8F2510432F076CB5" xlink:type="locator" />
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:label="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_CDD4CF3A422FB634510510432F071DD6" xlink:type="locator" />
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    <link:label id="lab_us-gaap_PropertyPlantAndEquipmentNet_C6EE4EF8965EED7FB03210432F07A0C4_totalLabel_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentNet_C6EE4EF8965EED7FB03210432F07A0C4" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Property, plant and equipment, net</link:label>
    <link:label id="lab_us-gaap_PropertyPlantAndEquipmentNet_C6EE4EF8965EED7FB03210432F07A0C4_label_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentNet_C6EE4EF8965EED7FB03210432F07A0C4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Property, Plant and Equipment, Net</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_C6EE4EF8965EED7FB03210432F07A0C4" xlink:type="locator" />
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    <link:label id="lab_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAbstract_FEA82E16B58E86ECCC9810432F07BB2F_verboseLabel_en-US" xlink:label="lab_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAbstract_FEA82E16B58E86ECCC9810432F07BB2F" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Accrued expenses and other current liabilities:</link:label>
    <link:label id="lab_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAbstract_FEA82E16B58E86ECCC9810432F07BB2F_label_en-US" xlink:label="lab_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAbstract_FEA82E16B58E86ECCC9810432F07BB2F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accounts Payable and Accrued Liabilities, Current [Abstract]</link:label>
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    <link:label id="lab_us-gaap_EmployeeRelatedLiabilitiesCurrent_DB365EE8202A30522E1910432F07FCB0_verboseLabel_en-US" xlink:label="lab_us-gaap_EmployeeRelatedLiabilitiesCurrent_DB365EE8202A30522E1910432F07FCB0" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Wages and benefits</link:label>
    <link:label id="lab_us-gaap_EmployeeRelatedLiabilitiesCurrent_DB365EE8202A30522E1910432F07FCB0_label_en-US" xlink:label="lab_us-gaap_EmployeeRelatedLiabilitiesCurrent_DB365EE8202A30522E1910432F07FCB0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Employee-related Liabilities, Current</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_EmployeeRelatedLiabilitiesCurrent" xlink:label="loc_us-gaap_EmployeeRelatedLiabilitiesCurrent_DB365EE8202A30522E1910432F07FCB0" xlink:type="locator" />
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    <link:label id="lab_us-gaap_PayablesToCustomers_CDBF1DCB56A01F08FE4310432F075316_verboseLabel_en-US" xlink:label="lab_us-gaap_PayablesToCustomers_CDBF1DCB56A01F08FE4310432F075316" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Accrued customer obligations (2)</link:label>
    <link:label id="lab_us-gaap_PayablesToCustomers_CDBF1DCB56A01F08FE4310432F075316_label_en-US" xlink:label="lab_us-gaap_PayablesToCustomers_CDBF1DCB56A01F08FE4310432F075316" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payables to Customers</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PayablesToCustomers" xlink:label="loc_us-gaap_PayablesToCustomers_CDBF1DCB56A01F08FE4310432F075316" xlink:type="locator" />
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    <link:label id="lab_klic_AccruedLiabilitiesForCommissionAndProfessionalFeesCurrent_FB81A901650089C19F6C10432F07D6E3_verboseLabel_en-US" xlink:label="lab_klic_AccruedLiabilitiesForCommissionAndProfessionalFeesCurrent_FB81A901650089C19F6C10432F07D6E3" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Commissions and professional fees</link:label>
    <link:label id="lab_klic_AccruedLiabilitiesForCommissionAndProfessionalFeesCurrent_FB81A901650089C19F6C10432F07D6E3_label_en-US" xlink:label="lab_klic_AccruedLiabilitiesForCommissionAndProfessionalFeesCurrent_FB81A901650089C19F6C10432F07D6E3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accrued Liabilities For Commission and Professional Fees Current</link:label>
    <link:label id="lab_klic_AccruedLiabilitiesForCommissionAndProfessionalFeesCurrent_FB81A901650089C19F6C10432F07D6E3_documentation_en-US" xlink:label="lab_klic_AccruedLiabilitiesForCommissionAndProfessionalFeesCurrent_FB81A901650089C19F6C10432F07D6E3" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The accrued liabilities for commission and professional fees current reported as of the period.</link:label>
    <link:loc xlink:href="klic-20141227.xsd#klic_AccruedLiabilitiesForCommissionAndProfessionalFeesCurrent" xlink:label="loc_klic_AccruedLiabilitiesForCommissionAndProfessionalFeesCurrent_FB81A901650089C19F6C10432F07D6E3" xlink:type="locator" />
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    <link:label id="lab_us-gaap_DeferredRentCreditCurrent_015BE683F0C915E6647E10432F07EEF3_terseLabel_en-US" xlink:label="lab_us-gaap_DeferredRentCreditCurrent_015BE683F0C915E6647E10432F07EEF3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred rent</link:label>
    <link:label id="lab_us-gaap_DeferredRentCreditCurrent_015BE683F0C915E6647E10432F07EEF3_label_en-US" xlink:label="lab_us-gaap_DeferredRentCreditCurrent_015BE683F0C915E6647E10432F07EEF3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Rent Credit, Current</link:label>
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    <link:label id="lab_us-gaap_SupplementalUnemploymentBenefitsSeveranceBenefits_40984C29BA11E11E8B6E10432F07E62B_label_en-US" xlink:label="lab_us-gaap_SupplementalUnemploymentBenefitsSeveranceBenefits_40984C29BA11E11E8B6E10432F07E62B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Supplemental Unemployment Benefits, Severance Benefits</link:label>
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    <link:label id="lab_us-gaap_OtherLiabilitiesCurrent_37EF54016F8B04A1DAAC10432F075284_verboseLabel_en-US" xlink:label="lab_us-gaap_OtherLiabilitiesCurrent_37EF54016F8B04A1DAAC10432F075284" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Other</link:label>
    <link:label id="lab_us-gaap_OtherLiabilitiesCurrent_37EF54016F8B04A1DAAC10432F075284_label_en-US" xlink:label="lab_us-gaap_OtherLiabilitiesCurrent_37EF54016F8B04A1DAAC10432F075284" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Liabilities, Current</link:label>
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    <link:label id="lab_klic_AccruedExpensesAndOtherCurrentLiabilities_46C49EED6E8C15CEDBF910432F07E6E1_totalLabel_en-US" xlink:label="lab_klic_AccruedExpensesAndOtherCurrentLiabilities_46C49EED6E8C15CEDBF910432F07E6E1" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Accrued expenses and other current liabilities</link:label>
    <link:label id="lab_klic_AccruedExpensesAndOtherCurrentLiabilities_46C49EED6E8C15CEDBF910432F07E6E1_label_en-US" xlink:label="lab_klic_AccruedExpensesAndOtherCurrentLiabilities_46C49EED6E8C15CEDBF910432F07E6E1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accrued Expenses and Other Current Liabilities</link:label>
    <link:label id="lab_klic_AccruedExpensesAndOtherCurrentLiabilities_46C49EED6E8C15CEDBF910432F07E6E1_documentation_en-US" xlink:label="lab_klic_AccruedExpensesAndOtherCurrentLiabilities_46C49EED6E8C15CEDBF910432F07E6E1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Accrued expenses and other current liabilities</link:label>
    <link:loc xlink:href="klic-20141227.xsd#klic_AccruedExpensesAndOtherCurrentLiabilities" xlink:label="loc_klic_AccruedExpensesAndOtherCurrentLiabilities_46C49EED6E8C15CEDBF910432F07E6E1" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_klic_AccruedExpensesAndOtherCurrentLiabilities_46C49EED6E8C15CEDBF910432F07E6E1" xlink:to="lab_klic_AccruedExpensesAndOtherCurrentLiabilities_46C49EED6E8C15CEDBF910432F07E6E1" xlink:type="arc" />
    <link:label id="lab_us-gaap_MovementInStandardAndExtendedProductWarrantyIncreaseDecreaseRollForward_868263A69610DF2C3DAB180089778086_terseLabel_en-US" xlink:label="lab_us-gaap_MovementInStandardAndExtendedProductWarrantyIncreaseDecreaseRollForward_868263A69610DF2C3DAB180089778086" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Movement in Standard and Extended Product Warranty, Increase (Decrease) [Roll Forward]</link:label>
    <link:label id="lab_us-gaap_MovementInStandardAndExtendedProductWarrantyIncreaseDecreaseRollForward_868263A69610DF2C3DAB180089778086_label_en-US" xlink:label="lab_us-gaap_MovementInStandardAndExtendedProductWarrantyIncreaseDecreaseRollForward_868263A69610DF2C3DAB180089778086" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Movement in Standard and Extended Product Warranty, Increase (Decrease) [Roll Forward]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_MovementInStandardAndExtendedProductWarrantyIncreaseDecreaseRollForward" xlink:label="loc_us-gaap_MovementInStandardAndExtendedProductWarrantyIncreaseDecreaseRollForward_868263A69610DF2C3DAB180089778086" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_MovementInStandardAndExtendedProductWarrantyIncreaseDecreaseRollForward_868263A69610DF2C3DAB180089778086" xlink:to="lab_us-gaap_MovementInStandardAndExtendedProductWarrantyIncreaseDecreaseRollForward_868263A69610DF2C3DAB180089778086" xlink:type="arc" />
    <link:label id="lab_us-gaap_ProductWarrantyAccrual_120CBA91C6CAC5187942180089774892_periodStartLabel_en-US" xlink:label="lab_us-gaap_ProductWarrantyAccrual_120CBA91C6CAC5187942180089774892" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Reserve for product warranty, beginning of period</link:label>
    <link:label id="lab_us-gaap_ProductWarrantyAccrual_120CBA91C6CAC5187942180089774892_label_en-US" xlink:label="lab_us-gaap_ProductWarrantyAccrual_120CBA91C6CAC5187942180089774892" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Product Warranty Accrual</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ProductWarrantyAccrual" xlink:label="loc_us-gaap_ProductWarrantyAccrual_120CBA91C6CAC5187942180089774892" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProductWarrantyAccrual_120CBA91C6CAC5187942180089774892" xlink:to="lab_us-gaap_ProductWarrantyAccrual_120CBA91C6CAC5187942180089774892" xlink:type="arc" />
    <link:label id="lab_us-gaap_ProductWarrantyAccrualWarrantiesIssued_944D1834BB6A7BB0FD1318008977EC15_verboseLabel_en-US" xlink:label="lab_us-gaap_ProductWarrantyAccrualWarrantiesIssued_944D1834BB6A7BB0FD1318008977EC15" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Provision for product warranty</link:label>
    <link:label id="lab_us-gaap_ProductWarrantyAccrualWarrantiesIssued_944D1834BB6A7BB0FD1318008977EC15_label_en-US" xlink:label="lab_us-gaap_ProductWarrantyAccrualWarrantiesIssued_944D1834BB6A7BB0FD1318008977EC15" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Product Warranty Accrual, Warranties Issued</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ProductWarrantyAccrualWarrantiesIssued" xlink:label="loc_us-gaap_ProductWarrantyAccrualWarrantiesIssued_944D1834BB6A7BB0FD1318008977EC15" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProductWarrantyAccrualWarrantiesIssued_944D1834BB6A7BB0FD1318008977EC15" xlink:to="lab_us-gaap_ProductWarrantyAccrualWarrantiesIssued_944D1834BB6A7BB0FD1318008977EC15" xlink:type="arc" />
    <link:label id="lab_us-gaap_ProductWarrantyAccrualPayments_5EE04B1269D9D523586D180089771D58_negatedLabel_en-US" xlink:label="lab_us-gaap_ProductWarrantyAccrualPayments_5EE04B1269D9D523586D180089771D58" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Product warranty costs paid</link:label>
    <link:label id="lab_us-gaap_ProductWarrantyAccrualPayments_5EE04B1269D9D523586D180089771D58_label_en-US" xlink:label="lab_us-gaap_ProductWarrantyAccrualPayments_5EE04B1269D9D523586D180089771D58" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Product Warranty Accrual, Payments</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ProductWarrantyAccrualPayments" xlink:label="loc_us-gaap_ProductWarrantyAccrualPayments_5EE04B1269D9D523586D180089771D58" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProductWarrantyAccrualPayments_5EE04B1269D9D523586D180089771D58" xlink:to="lab_us-gaap_ProductWarrantyAccrualPayments_5EE04B1269D9D523586D180089771D58" xlink:type="arc" />
    <link:label id="lab_us-gaap_ProductWarrantyAccrual_02E8AC38125C22E83DDF180089776713_periodEndLabel_en-US" xlink:label="lab_us-gaap_ProductWarrantyAccrual_02E8AC38125C22E83DDF180089776713" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Reserve for product warranty, end of period</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ProductWarrantyAccrual" xlink:label="loc_us-gaap_ProductWarrantyAccrual_02E8AC38125C22E83DDF180089776713" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProductWarrantyAccrual_02E8AC38125C22E83DDF180089776713" xlink:to="lab_us-gaap_ProductWarrantyAccrual_02E8AC38125C22E83DDF180089776713" xlink:type="arc" />
    <link:label id="lab_us-gaap_ReconciliationOfOtherSignificantReconcilingItemsFromSegmentsToConsolidatedTable_378E95DC99F826B5E33118008887EE9E_terseLabel_en-US" xlink:label="lab_us-gaap_ReconciliationOfOtherSignificantReconcilingItemsFromSegmentsToConsolidatedTable_378E95DC99F826B5E33118008887EE9E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Reconciliation of Other Significant Reconciling Items from Segments to Consolidated [Table]</link:label>
    <link:label id="lab_us-gaap_ReconciliationOfOtherSignificantReconcilingItemsFromSegmentsToConsolidatedTable_378E95DC99F826B5E33118008887EE9E_label_en-US" xlink:label="lab_us-gaap_ReconciliationOfOtherSignificantReconcilingItemsFromSegmentsToConsolidatedTable_378E95DC99F826B5E33118008887EE9E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Reconciliation of Other Significant Reconciling Items from Segments to Consolidated [Table]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ReconciliationOfOtherSignificantReconcilingItemsFromSegmentsToConsolidatedTable" xlink:label="loc_us-gaap_ReconciliationOfOtherSignificantReconcilingItemsFromSegmentsToConsolidatedTable_378E95DC99F826B5E33118008887EE9E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ReconciliationOfOtherSignificantReconcilingItemsFromSegmentsToConsolidatedTable_378E95DC99F826B5E33118008887EE9E" xlink:to="lab_us-gaap_ReconciliationOfOtherSignificantReconcilingItemsFromSegmentsToConsolidatedTable_378E95DC99F826B5E33118008887EE9E" xlink:type="arc" />
    <link:label id="lab_us-gaap_StatementBusinessSegmentsAxis_8CA386DAC78FD4FB1D5218008887FA6D_terseLabel_en-US" xlink:label="lab_us-gaap_StatementBusinessSegmentsAxis_8CA386DAC78FD4FB1D5218008887FA6D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Business Segments [Axis]</link:label>
    <link:label id="lab_us-gaap_StatementBusinessSegmentsAxis_8CA386DAC78FD4FB1D5218008887FA6D_label_en-US" xlink:label="lab_us-gaap_StatementBusinessSegmentsAxis_8CA386DAC78FD4FB1D5218008887FA6D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Segments [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_8CA386DAC78FD4FB1D5218008887FA6D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_8CA386DAC78FD4FB1D5218008887FA6D" xlink:to="lab_us-gaap_StatementBusinessSegmentsAxis_8CA386DAC78FD4FB1D5218008887FA6D" xlink:type="arc" />
    <link:label id="lab_us-gaap_SegmentDomain_6F2C397ECC326FD807AA18008887F3DC_terseLabel_en-US" xlink:label="lab_us-gaap_SegmentDomain_6F2C397ECC326FD807AA18008887F3DC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Segment [Domain]</link:label>
    <link:label id="lab_us-gaap_SegmentDomain_6F2C397ECC326FD807AA18008887F3DC_label_en-US" xlink:label="lab_us-gaap_SegmentDomain_6F2C397ECC326FD807AA18008887F3DC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Segments [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_6F2C397ECC326FD807AA18008887F3DC" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SegmentDomain_6F2C397ECC326FD807AA18008887F3DC" xlink:to="lab_us-gaap_SegmentDomain_6F2C397ECC326FD807AA18008887F3DC" xlink:type="arc" />
    <link:label id="lab_klic_EquipmentSegmentMember_1FB64B4D3C4DE004E17C1800888715F9_terseLabel_en-US" xlink:label="lab_klic_EquipmentSegmentMember_1FB64B4D3C4DE004E17C1800888715F9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Equipment [Member]</link:label>
    <link:label id="lab_klic_EquipmentSegmentMember_1FB64B4D3C4DE004E17C1800888715F9_label_en-US" xlink:label="lab_klic_EquipmentSegmentMember_1FB64B4D3C4DE004E17C1800888715F9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equipment Segment [Member]</link:label>
    <link:label id="lab_klic_EquipmentSegmentMember_1FB64B4D3C4DE004E17C1800888715F9_documentation_en-US" xlink:label="lab_klic_EquipmentSegmentMember_1FB64B4D3C4DE004E17C1800888715F9" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">-- None. No documentation exists for this element. --</link:label>
    <link:loc xlink:href="klic-20141227.xsd#klic_EquipmentSegmentMember" xlink:label="loc_klic_EquipmentSegmentMember_1FB64B4D3C4DE004E17C1800888715F9" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_klic_EquipmentSegmentMember_1FB64B4D3C4DE004E17C1800888715F9" xlink:to="lab_klic_EquipmentSegmentMember_1FB64B4D3C4DE004E17C1800888715F9" xlink:type="arc" />
    <link:label id="lab_klic_ExpendableToolsSegmentMember_B5DD775ED136F028BC7318008887DEE5_terseLabel_en-US" xlink:label="lab_klic_ExpendableToolsSegmentMember_B5DD775ED136F028BC7318008887DEE5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Expendable Tools [Member]</link:label>
    <link:label id="lab_klic_ExpendableToolsSegmentMember_B5DD775ED136F028BC7318008887DEE5_label_en-US" xlink:label="lab_klic_ExpendableToolsSegmentMember_B5DD775ED136F028BC7318008887DEE5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Expendable Tools Segment [Member]</link:label>
    <link:label id="lab_klic_ExpendableToolsSegmentMember_B5DD775ED136F028BC7318008887DEE5_documentation_en-US" xlink:label="lab_klic_ExpendableToolsSegmentMember_B5DD775ED136F028BC7318008887DEE5" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">-- None. No documentation exists for this element. --</link:label>
    <link:loc xlink:href="klic-20141227.xsd#klic_ExpendableToolsSegmentMember" xlink:label="loc_klic_ExpendableToolsSegmentMember_B5DD775ED136F028BC7318008887DEE5" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_klic_ExpendableToolsSegmentMember_B5DD775ED136F028BC7318008887DEE5" xlink:to="lab_klic_ExpendableToolsSegmentMember_B5DD775ED136F028BC7318008887DEE5" xlink:type="arc" />
    <link:label id="lab_us-gaap_SegmentReportingOtherSignificantReconcilingItemLineItems_DAEA5277142D96E72C781800888733C9_terseLabel_en-US" xlink:label="lab_us-gaap_SegmentReportingOtherSignificantReconcilingItemLineItems_DAEA5277142D96E72C781800888733C9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Segment Reporting, Other Significant Reconciling Item [Line Items]</link:label>
    <link:label id="lab_us-gaap_SegmentReportingOtherSignificantReconcilingItemLineItems_DAEA5277142D96E72C781800888733C9_label_en-US" xlink:label="lab_us-gaap_SegmentReportingOtherSignificantReconcilingItemLineItems_DAEA5277142D96E72C781800888733C9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Segment Reporting, Other Significant Reconciling Item [Line Items]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SegmentReportingOtherSignificantReconcilingItemLineItems" xlink:label="loc_us-gaap_SegmentReportingOtherSignificantReconcilingItemLineItems_DAEA5277142D96E72C781800888733C9" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SegmentReportingOtherSignificantReconcilingItemLineItems_DAEA5277142D96E72C781800888733C9" xlink:to="lab_us-gaap_SegmentReportingOtherSignificantReconcilingItemLineItems_DAEA5277142D96E72C781800888733C9" xlink:type="arc" />
    <link:label id="lab_klic_CapitalExpendituresAbstract_A9907D579F3718DC2B1F18008887F2D3_verboseLabel_en-US" xlink:label="lab_klic_CapitalExpendituresAbstract_A9907D579F3718DC2B1F18008887F2D3" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Capital expenditures:</link:label>
    <link:label id="lab_klic_CapitalExpendituresAbstract_A9907D579F3718DC2B1F18008887F2D3_label_en-US" xlink:label="lab_klic_CapitalExpendituresAbstract_A9907D579F3718DC2B1F18008887F2D3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Capital Expenditures [Abstract]</link:label>
    <link:label id="lab_klic_CapitalExpendituresAbstract_A9907D579F3718DC2B1F18008887F2D3_documentation_en-US" xlink:label="lab_klic_CapitalExpendituresAbstract_A9907D579F3718DC2B1F18008887F2D3" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">-- None. No documentation exists for this element. --</link:label>
    <link:loc xlink:href="klic-20141227.xsd#klic_CapitalExpendituresAbstract" xlink:label="loc_klic_CapitalExpendituresAbstract_A9907D579F3718DC2B1F18008887F2D3" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_klic_CapitalExpendituresAbstract_A9907D579F3718DC2B1F18008887F2D3" xlink:to="lab_klic_CapitalExpendituresAbstract_A9907D579F3718DC2B1F18008887F2D3" xlink:type="arc" />
    <link:label id="lab_us-gaap_PropertyPlantAndEquipmentAdditions_A3D0500823922D4EAB8018008887B5FA_terseLabel_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentAdditions_A3D0500823922D4EAB8018008887B5FA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Property, Plant and Equipment, Additions</link:label>
    <link:label id="lab_us-gaap_PropertyPlantAndEquipmentAdditions_A3D0500823922D4EAB8018008887B5FA_label_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentAdditions_A3D0500823922D4EAB8018008887B5FA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Property, Plant and Equipment, Additions</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PropertyPlantAndEquipmentAdditions" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentAdditions_A3D0500823922D4EAB8018008887B5FA" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentAdditions_A3D0500823922D4EAB8018008887B5FA" xlink:to="lab_us-gaap_PropertyPlantAndEquipmentAdditions_A3D0500823922D4EAB8018008887B5FA" xlink:type="arc" />
    <link:label id="lab_us-gaap_DepreciationAbstract_D1BF5026CC95039554C3180088877CA5_verboseLabel_en-US" xlink:label="lab_us-gaap_DepreciationAbstract_D1BF5026CC95039554C3180088877CA5" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Depreciation expense:</link:label>
    <link:label id="lab_us-gaap_DepreciationAbstract_D1BF5026CC95039554C3180088877CA5_label_en-US" xlink:label="lab_us-gaap_DepreciationAbstract_D1BF5026CC95039554C3180088877CA5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Depreciation [Abstract]</link:label>
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    <link:label id="lab_klic_PerformanceBasedRestrictedStockMember_2C26EC0D466CC3FD3BD6180089458ABD_label_en-US" xlink:label="lab_klic_PerformanceBasedRestrictedStockMember_2C26EC0D466CC3FD3BD6180089458ABD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Performance Based Restricted Stock [Member]</link:label>
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    <link:label id="lab_us-gaap_CommonStockMember_53D3FDD7AD698072A80F180089458ADE_terseLabel_en-US" xlink:label="lab_us-gaap_CommonStockMember_53D3FDD7AD698072A80F180089458ADE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Common stock [Member]</link:label>
    <link:label id="lab_us-gaap_CommonStockMember_53D3FDD7AD698072A80F180089458ADE_label_en-US" xlink:label="lab_us-gaap_CommonStockMember_53D3FDD7AD698072A80F180089458ADE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Common Stock [Member]</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_C7F44A898B9EDFCD3BD418008945CF27" xlink:type="locator" />
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    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod_6DEF92DC22AC5A295D73180089454163_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod_6DEF92DC22AC5A295D73180089454163" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Equity-based compensation in shares</link:label>
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    <link:label id="lab_us-gaap_SalesRevenueNet_6F9932A3791BAA5C9E3510432F2578BF_label_en-US" xlink:label="lab_us-gaap_SalesRevenueNet_6F9932A3791BAA5C9E3510432F2578BF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Revenue, Net</link:label>
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    <link:label id="lab_us-gaap_GrossProfit_4D4FF00A223767CC6AFF10432F25C221_label_en-US" xlink:label="lab_us-gaap_GrossProfit_4D4FF00A223767CC6AFF10432F25C221" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Gross Profit</link:label>
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    <link:label id="lab_us-gaap_SellingGeneralAndAdministrativeExpense_47544819CA5DB8E4D5ED10432F25A227_verboseLabel_en-US" xlink:label="lab_us-gaap_SellingGeneralAndAdministrativeExpense_47544819CA5DB8E4D5ED10432F25A227" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Selling, general and administrative</link:label>
    <link:label id="lab_us-gaap_SellingGeneralAndAdministrativeExpense_47544819CA5DB8E4D5ED10432F25A227_label_en-US" xlink:label="lab_us-gaap_SellingGeneralAndAdministrativeExpense_47544819CA5DB8E4D5ED10432F25A227" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Selling, General and Administrative Expense</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_PublicUtilitiesInventoryTypeDomain_1A8A313570EC6E5B1F6E1800891D5CFD" xlink:to="lab_us-gaap_PublicUtilitiesInventoryTypeDomain_1A8A313570EC6E5B1F6E1800891D5CFD" xlink:type="arc" />
    <link:label id="lab_us-gaap_EquipmentMember_C8FC82D844A808FBA13D1800891D34D8_terseLabel_en-US" xlink:label="lab_us-gaap_EquipmentMember_C8FC82D844A808FBA13D1800891D34D8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Equipment [Member]</link:label>
    <link:label id="lab_us-gaap_EquipmentMember_C8FC82D844A808FBA13D1800891D34D8_label_en-US" xlink:label="lab_us-gaap_EquipmentMember_C8FC82D844A808FBA13D1800891D34D8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equipment [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_EquipmentMember" xlink:label="loc_us-gaap_EquipmentMember_C8FC82D844A808FBA13D1800891D34D8" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EquipmentMember_C8FC82D844A808FBA13D1800891D34D8" xlink:to="lab_us-gaap_EquipmentMember_C8FC82D844A808FBA13D1800891D34D8" xlink:type="arc" />
    <link:label id="lab_klic_SparePartsMember_D06439FBBA9651E0789E1800891D6B54_terseLabel_en-US" xlink:label="lab_klic_SparePartsMember_D06439FBBA9651E0789E1800891D6B54" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Spare Parts [Member]</link:label>
    <link:label id="lab_klic_SparePartsMember_D06439FBBA9651E0789E1800891D6B54_label_en-US" xlink:label="lab_klic_SparePartsMember_D06439FBBA9651E0789E1800891D6B54" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Spare Parts [Member]</link:label>
    <link:label id="lab_klic_SparePartsMember_D06439FBBA9651E0789E1800891D6B54_documentation_en-US" xlink:label="lab_klic_SparePartsMember_D06439FBBA9651E0789E1800891D6B54" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">-- None. No documentation exists for this element. --</link:label>
    <link:loc xlink:href="klic-20141227.xsd#klic_SparePartsMember" xlink:label="loc_klic_SparePartsMember_D06439FBBA9651E0789E1800891D6B54" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_klic_SparePartsMember_D06439FBBA9651E0789E1800891D6B54" xlink:to="lab_klic_SparePartsMember_D06439FBBA9651E0789E1800891D6B54" xlink:type="arc" />
    <link:label id="lab_klic_ExpendableToolsMember_2D71A998BE219AF3B7DE1800891DDAAC_terseLabel_en-US" xlink:label="lab_klic_ExpendableToolsMember_2D71A998BE219AF3B7DE1800891DDAAC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Expendable Tools [Member]</link:label>
    <link:label id="lab_klic_ExpendableToolsMember_2D71A998BE219AF3B7DE1800891DDAAC_label_en-US" xlink:label="lab_klic_ExpendableToolsMember_2D71A998BE219AF3B7DE1800891DDAAC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Expendable Tools [Member]</link:label>
    <link:label id="lab_klic_ExpendableToolsMember_2D71A998BE219AF3B7DE1800891DDAAC_documentation_en-US" xlink:label="lab_klic_ExpendableToolsMember_2D71A998BE219AF3B7DE1800891DDAAC" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">-- None. No documentation exists for this element. --</link:label>
    <link:loc xlink:href="klic-20141227.xsd#klic_ExpendableToolsMember" xlink:label="loc_klic_ExpendableToolsMember_2D71A998BE219AF3B7DE1800891DDAAC" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_klic_ExpendableToolsMember_2D71A998BE219AF3B7DE1800891DDAAC" xlink:to="lab_klic_ExpendableToolsMember_2D71A998BE219AF3B7DE1800891DDAAC" xlink:type="arc" />
    <link:label id="lab_us-gaap_InventoryLineItems_6E0D5250A16DDFC53B241800891DE105_terseLabel_en-US" xlink:label="lab_us-gaap_InventoryLineItems_6E0D5250A16DDFC53B241800891DE105" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Inventory [Line Items]</link:label>
    <link:label id="lab_us-gaap_InventoryLineItems_6E0D5250A16DDFC53B241800891DE105_label_en-US" xlink:label="lab_us-gaap_InventoryLineItems_6E0D5250A16DDFC53B241800891DE105" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Inventory [Line Items]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_InventoryLineItems" xlink:label="loc_us-gaap_InventoryLineItems_6E0D5250A16DDFC53B241800891DE105" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InventoryLineItems_6E0D5250A16DDFC53B241800891DE105" xlink:to="lab_us-gaap_InventoryLineItems_6E0D5250A16DDFC53B241800891DE105" xlink:type="arc" />
    <link:label id="lab_klic_ReservesForInventoryInExcessOfDemandInventoryFutureConsumptionPeriod_64EF9CD547AA41102D951800891D9C58_terseLabel_en-US" xlink:label="lab_klic_ReservesForInventoryInExcessOfDemandInventoryFutureConsumptionPeriod_64EF9CD547AA41102D951800891D9C58" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Reserves For Inventory In Excess Of Demand Inventory Future Consumption Period</link:label>
    <link:label id="lab_klic_ReservesForInventoryInExcessOfDemandInventoryFutureConsumptionPeriod_64EF9CD547AA41102D951800891D9C58_label_en-US" xlink:label="lab_klic_ReservesForInventoryInExcessOfDemandInventoryFutureConsumptionPeriod_64EF9CD547AA41102D951800891D9C58" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Reserves For Inventory In Excess Of Demand Inventory Future Consumption Period</link:label>
    <link:label id="lab_klic_ReservesForInventoryInExcessOfDemandInventoryFutureConsumptionPeriod_64EF9CD547AA41102D951800891D9C58_documentation_en-US" xlink:label="lab_klic_ReservesForInventoryInExcessOfDemandInventoryFutureConsumptionPeriod_64EF9CD547AA41102D951800891D9C58" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Reserves for Inventory in Excess of Demand Inventory Future Consumption Period.</link:label>
    <link:loc xlink:href="klic-20141227.xsd#klic_ReservesForInventoryInExcessOfDemandInventoryFutureConsumptionPeriod" xlink:label="loc_klic_ReservesForInventoryInExcessOfDemandInventoryFutureConsumptionPeriod_64EF9CD547AA41102D951800891D9C58" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_klic_ReservesForInventoryInExcessOfDemandInventoryFutureConsumptionPeriod_64EF9CD547AA41102D951800891D9C58" xlink:to="lab_klic_ReservesForInventoryInExcessOfDemandInventoryFutureConsumptionPeriod_64EF9CD547AA41102D951800891D9C58" xlink:type="arc" />
    <link:label id="lab_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_58EBED2EE5256B7F04DE180089630481_terseLabel_en-US" xlink:label="lab_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_58EBED2EE5256B7F04DE180089630481" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table]</link:label>
    <link:label id="lab_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_58EBED2EE5256B7F04DE180089630481_label_en-US" xlink:label="lab_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_58EBED2EE5256B7F04DE180089630481" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable" xlink:label="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_58EBED2EE5256B7F04DE180089630481" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_58EBED2EE5256B7F04DE180089630481" xlink:to="lab_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_58EBED2EE5256B7F04DE180089630481" xlink:type="arc" />
    <link:label id="lab_us-gaap_BalanceSheetLocationAxis_5428408CFE9E566E0B62180089638A3E_terseLabel_en-US" xlink:label="lab_us-gaap_BalanceSheetLocationAxis_5428408CFE9E566E0B62180089638A3E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Balance Sheet Location [Axis]</link:label>
    <link:label id="lab_us-gaap_BalanceSheetLocationAxis_5428408CFE9E566E0B62180089638A3E_label_en-US" xlink:label="lab_us-gaap_BalanceSheetLocationAxis_5428408CFE9E566E0B62180089638A3E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Balance Sheet Location [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_BalanceSheetLocationAxis" xlink:label="loc_us-gaap_BalanceSheetLocationAxis_5428408CFE9E566E0B62180089638A3E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_BalanceSheetLocationAxis_5428408CFE9E566E0B62180089638A3E" xlink:to="lab_us-gaap_BalanceSheetLocationAxis_5428408CFE9E566E0B62180089638A3E" xlink:type="arc" />
    <link:label id="lab_us-gaap_BalanceSheetLocationDomain_F38DC7E039A5AFBF9B75180089635D66_terseLabel_en-US" xlink:label="lab_us-gaap_BalanceSheetLocationDomain_F38DC7E039A5AFBF9B75180089635D66" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Balance Sheet Location [Domain]</link:label>
    <link:label id="lab_us-gaap_BalanceSheetLocationDomain_F38DC7E039A5AFBF9B75180089635D66_label_en-US" xlink:label="lab_us-gaap_BalanceSheetLocationDomain_F38DC7E039A5AFBF9B75180089635D66" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Balance Sheet Location [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_BalanceSheetLocationDomain" xlink:label="loc_us-gaap_BalanceSheetLocationDomain_F38DC7E039A5AFBF9B75180089635D66" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_BalanceSheetLocationDomain_F38DC7E039A5AFBF9B75180089635D66" xlink:to="lab_us-gaap_BalanceSheetLocationDomain_F38DC7E039A5AFBF9B75180089635D66" xlink:type="arc" />
    <link:label id="lab_us-gaap_PrepaidExpensesAndOtherCurrentAssetsMember_02008FABBF7575F41CC4180089630A6A_terseLabel_en-US" xlink:label="lab_us-gaap_PrepaidExpensesAndOtherCurrentAssetsMember_02008FABBF7575F41CC4180089630A6A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Prepaid Expenses and Other Current Assets [Member]</link:label>
    <link:label id="lab_us-gaap_PrepaidExpensesAndOtherCurrentAssetsMember_02008FABBF7575F41CC4180089630A6A_label_en-US" xlink:label="lab_us-gaap_PrepaidExpensesAndOtherCurrentAssetsMember_02008FABBF7575F41CC4180089630A6A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Prepaid Expenses and Other Current Assets [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PrepaidExpensesAndOtherCurrentAssetsMember" xlink:label="loc_us-gaap_PrepaidExpensesAndOtherCurrentAssetsMember_02008FABBF7575F41CC4180089630A6A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PrepaidExpensesAndOtherCurrentAssetsMember_02008FABBF7575F41CC4180089630A6A" xlink:to="lab_us-gaap_PrepaidExpensesAndOtherCurrentAssetsMember_02008FABBF7575F41CC4180089630A6A" xlink:type="arc" />
    <link:label id="lab_klic_AccruedExpensesAndOtherCurrentLiabilitiesMember_8E50B249075971AA4088180089639671_terseLabel_en-US" xlink:label="lab_klic_AccruedExpensesAndOtherCurrentLiabilitiesMember_8E50B249075971AA4088180089639671" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accrued Expenses and Other Current Liabilities [Member]</link:label>
    <link:label id="lab_klic_AccruedExpensesAndOtherCurrentLiabilitiesMember_8E50B249075971AA4088180089639671_label_en-US" xlink:label="lab_klic_AccruedExpensesAndOtherCurrentLiabilitiesMember_8E50B249075971AA4088180089639671" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accrued Expenses And Other Current Liabilities [Member]</link:label>
    <link:label id="lab_klic_AccruedExpensesAndOtherCurrentLiabilitiesMember_8E50B249075971AA4088180089639671_documentation_en-US" xlink:label="lab_klic_AccruedExpensesAndOtherCurrentLiabilitiesMember_8E50B249075971AA4088180089639671" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Accrued Expenses And Other Current Liabilities [Member]</link:label>
    <link:loc xlink:href="klic-20141227.xsd#klic_AccruedExpensesAndOtherCurrentLiabilitiesMember" xlink:label="loc_klic_AccruedExpensesAndOtherCurrentLiabilitiesMember_8E50B249075971AA4088180089639671" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_klic_AccruedExpensesAndOtherCurrentLiabilitiesMember_8E50B249075971AA4088180089639671" xlink:to="lab_klic_AccruedExpensesAndOtherCurrentLiabilitiesMember_8E50B249075971AA4088180089639671" xlink:type="arc" />
    <link:label id="lab_us-gaap_DerivativesFairValueLineItems_EAACFCF1790950AD3C28180089638E02_terseLabel_en-US" xlink:label="lab_us-gaap_DerivativesFairValueLineItems_EAACFCF1790950AD3C28180089638E02" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Derivatives, Fair Value [Line Items]</link:label>
    <link:label id="lab_us-gaap_DerivativesFairValueLineItems_EAACFCF1790950AD3C28180089638E02_label_en-US" xlink:label="lab_us-gaap_DerivativesFairValueLineItems_EAACFCF1790950AD3C28180089638E02" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivatives, Fair Value [Line Items]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DerivativesFairValueLineItems" xlink:label="loc_us-gaap_DerivativesFairValueLineItems_EAACFCF1790950AD3C28180089638E02" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_EAACFCF1790950AD3C28180089638E02" xlink:to="lab_us-gaap_DerivativesFairValueLineItems_EAACFCF1790950AD3C28180089638E02" xlink:type="arc" />
    <link:label id="lab_us-gaap_DerivativeTermOfContract_6213F2E65765A4438FE218008963A44F_terseLabel_en-US" xlink:label="lab_us-gaap_DerivativeTermOfContract_6213F2E65765A4438FE218008963A44F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Foreign exchange forward contract, term of contract</link:label>
    <link:label id="lab_us-gaap_DerivativeTermOfContract_6213F2E65765A4438FE218008963A44F_label_en-US" xlink:label="lab_us-gaap_DerivativeTermOfContract_6213F2E65765A4438FE218008963A44F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivative, Term of Contract</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DerivativeTermOfContract" xlink:label="loc_us-gaap_DerivativeTermOfContract_6213F2E65765A4438FE218008963A44F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DerivativeTermOfContract_6213F2E65765A4438FE218008963A44F" xlink:to="lab_us-gaap_DerivativeTermOfContract_6213F2E65765A4438FE218008963A44F" xlink:type="arc" />
    <link:label id="lab_invest_DerivativeNotionalAmount_038BE89203C374B9147F180089633C9B_verboseLabel_en-US" xlink:label="lab_invest_DerivativeNotionalAmount_038BE89203C374B9147F180089633C9B" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Total derivative, Notional Amount</link:label>
    <link:label id="lab_invest_DerivativeNotionalAmount_038BE89203C374B9147F180089633C9B_label_en-US" xlink:label="lab_invest_DerivativeNotionalAmount_038BE89203C374B9147F180089633C9B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivative, Notional Amount</link:label>
    <link:loc xlink:href="http://xbrl.sec.gov/invest/2013/invest-2013-01-31.xsd#invest_DerivativeNotionalAmount" xlink:label="loc_invest_DerivativeNotionalAmount_038BE89203C374B9147F180089633C9B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_invest_DerivativeNotionalAmount_038BE89203C374B9147F180089633C9B" xlink:to="lab_invest_DerivativeNotionalAmount_038BE89203C374B9147F180089633C9B" xlink:type="arc" />
    <link:label id="lab_us-gaap_DerivativeFairValueOfDerivativeAsset_221350581883F4987EE118008963799C_terseLabel_en-US" xlink:label="lab_us-gaap_DerivativeFairValueOfDerivativeAsset_221350581883F4987EE118008963799C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total derivative, Fair Value Asset Derivatives</link:label>
    <link:label id="lab_us-gaap_DerivativeFairValueOfDerivativeAsset_221350581883F4987EE118008963799C_label_en-US" xlink:label="lab_us-gaap_DerivativeFairValueOfDerivativeAsset_221350581883F4987EE118008963799C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivative Asset, Fair Value, Gross Asset</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DerivativeFairValueOfDerivativeAsset" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeAsset_221350581883F4987EE118008963799C" xlink:type="locator" />
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    <link:label id="lab_us-gaap_EarningsPerShareTextBlock_56905A08399B5AD5B34B1800891DC2A4_verboseLabel_en-US" xlink:label="lab_us-gaap_EarningsPerShareTextBlock_56905A08399B5AD5B34B1800891DC2A4" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">EARNINGS PER SHARE</link:label>
    <link:label id="lab_us-gaap_EarningsPerShareTextBlock_56905A08399B5AD5B34B1800891DC2A4_label_en-US" xlink:label="lab_us-gaap_EarningsPerShareTextBlock_56905A08399B5AD5B34B1800891DC2A4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Earnings Per Share [Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_EarningsPerShareTextBlock" xlink:label="loc_us-gaap_EarningsPerShareTextBlock_56905A08399B5AD5B34B1800891DC2A4" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EarningsPerShareTextBlock_56905A08399B5AD5B34B1800891DC2A4" xlink:to="lab_us-gaap_EarningsPerShareTextBlock_56905A08399B5AD5B34B1800891DC2A4" xlink:type="arc" />
    <link:label id="lab_us-gaap_EffectiveIncomeTaxRateContinuingOperations_BD510D059DA7971B8781180089813229_terseLabel_en-US" xlink:label="lab_us-gaap_EffectiveIncomeTaxRateContinuingOperations_BD510D059DA7971B8781180089813229" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Effective Income Tax Rate, Continuing Operations</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_EffectiveIncomeTaxRateContinuingOperations" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_BD510D059DA7971B8781180089813229" xlink:type="locator" />
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    <link:label id="lab_us-gaap_SegmentReportingDisclosureTextBlock_5C4A15670D92BC7F672D1800887D118A_verboseLabel_en-US" xlink:label="lab_us-gaap_SegmentReportingDisclosureTextBlock_5C4A15670D92BC7F672D1800887D118A" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">SEGMENT INFORMATION</link:label>
    <link:label id="lab_us-gaap_SegmentReportingDisclosureTextBlock_5C4A15670D92BC7F672D1800887D118A_label_en-US" xlink:label="lab_us-gaap_SegmentReportingDisclosureTextBlock_5C4A15670D92BC7F672D1800887D118A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Segment Reporting Disclosure [Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SegmentReportingDisclosureTextBlock" xlink:label="loc_us-gaap_SegmentReportingDisclosureTextBlock_5C4A15670D92BC7F672D1800887D118A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SegmentReportingDisclosureTextBlock_5C4A15670D92BC7F672D1800887D118A" xlink:to="lab_us-gaap_SegmentReportingDisclosureTextBlock_5C4A15670D92BC7F672D1800887D118A" xlink:type="arc" />
    <link:label id="lab_klic_InventoryPurchaseObligationFutureMinimumPaymentsDue_F0AD6C0D88E9E79312B3158157AD1928_verboseLabel_en-US" xlink:label="lab_klic_InventoryPurchaseObligationFutureMinimumPaymentsDue_F0AD6C0D88E9E79312B3158157AD1928" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Inventory purchase obligation</link:label>
    <link:label id="lab_klic_InventoryPurchaseObligationFutureMinimumPaymentsDue_F0AD6C0D88E9E79312B3158157AD1928_label_en-US" xlink:label="lab_klic_InventoryPurchaseObligationFutureMinimumPaymentsDue_F0AD6C0D88E9E79312B3158157AD1928" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Inventory Purchase Obligation Future Minimum Payments Due</link:label>
    <link:label id="lab_klic_InventoryPurchaseObligationFutureMinimumPaymentsDue_F0AD6C0D88E9E79312B3158157AD1928_documentation_en-US" xlink:label="lab_klic_InventoryPurchaseObligationFutureMinimumPaymentsDue_F0AD6C0D88E9E79312B3158157AD1928" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of inventory purchase obligation of future minimum payments due reported as of the period.</link:label>
    <link:loc xlink:href="klic-20141227.xsd#klic_InventoryPurchaseObligationFutureMinimumPaymentsDue" xlink:label="loc_klic_InventoryPurchaseObligationFutureMinimumPaymentsDue_F0AD6C0D88E9E79312B3158157AD1928" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_klic_InventoryPurchaseObligationFutureMinimumPaymentsDue_F0AD6C0D88E9E79312B3158157AD1928" xlink:to="lab_klic_InventoryPurchaseObligationFutureMinimumPaymentsDue_F0AD6C0D88E9E79312B3158157AD1928" xlink:type="arc" />
    <link:label id="lab_klic_InventoryPurchaseObligationFutureMinimumPaymentsDueCurrent_C8004906B0CCBEF4A6C6158157AD3410_verboseLabel_en-US" xlink:label="lab_klic_InventoryPurchaseObligationFutureMinimumPaymentsDueCurrent_C8004906B0CCBEF4A6C6158157AD3410" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Inventory purchase obligation, Payments due by fiscal year 2015</link:label>
    <link:label id="lab_klic_InventoryPurchaseObligationFutureMinimumPaymentsDueCurrent_C8004906B0CCBEF4A6C6158157AD3410_label_en-US" xlink:label="lab_klic_InventoryPurchaseObligationFutureMinimumPaymentsDueCurrent_C8004906B0CCBEF4A6C6158157AD3410" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Inventory Purchase Obligation Future Minimum Payments Due Current</link:label>
    <link:label id="lab_klic_InventoryPurchaseObligationFutureMinimumPaymentsDueCurrent_C8004906B0CCBEF4A6C6158157AD3410_documentation_en-US" xlink:label="lab_klic_InventoryPurchaseObligationFutureMinimumPaymentsDueCurrent_C8004906B0CCBEF4A6C6158157AD3410" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The inventory purchase obligation of future minimum payment which are due for the current reported as of the period.</link:label>
    <link:loc xlink:href="klic-20141227.xsd#klic_InventoryPurchaseObligationFutureMinimumPaymentsDueCurrent" xlink:label="loc_klic_InventoryPurchaseObligationFutureMinimumPaymentsDueCurrent_C8004906B0CCBEF4A6C6158157AD3410" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_klic_InventoryPurchaseObligationFutureMinimumPaymentsDueCurrent_C8004906B0CCBEF4A6C6158157AD3410" xlink:to="lab_klic_InventoryPurchaseObligationFutureMinimumPaymentsDueCurrent_C8004906B0CCBEF4A6C6158157AD3410" xlink:type="arc" />
    <link:label id="lab_klic_InventoryPurchaseObligationFutureMinimumPaymentsDueInTwoYears_3A5C50F574D430B59858158157ADE028_verboseLabel_en-US" xlink:label="lab_klic_InventoryPurchaseObligationFutureMinimumPaymentsDueInTwoYears_3A5C50F574D430B59858158157ADE028" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Inventory purchase obligation, Payments due by fiscal year 2016</link:label>
    <link:label id="lab_klic_InventoryPurchaseObligationFutureMinimumPaymentsDueInTwoYears_3A5C50F574D430B59858158157ADE028_label_en-US" xlink:label="lab_klic_InventoryPurchaseObligationFutureMinimumPaymentsDueInTwoYears_3A5C50F574D430B59858158157ADE028" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Inventory Purchase Obligation Future Minimum Payments Due In Two Years</link:label>
    <link:label id="lab_klic_InventoryPurchaseObligationFutureMinimumPaymentsDueInTwoYears_3A5C50F574D430B59858158157ADE028_documentation_en-US" xlink:label="lab_klic_InventoryPurchaseObligationFutureMinimumPaymentsDueInTwoYears_3A5C50F574D430B59858158157ADE028" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The inventory purchase obligation of future minimum payment which are due for two years reported as of the period.</link:label>
    <link:loc xlink:href="klic-20141227.xsd#klic_InventoryPurchaseObligationFutureMinimumPaymentsDueInTwoYears" xlink:label="loc_klic_InventoryPurchaseObligationFutureMinimumPaymentsDueInTwoYears_3A5C50F574D430B59858158157ADE028" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_klic_InventoryPurchaseObligationFutureMinimumPaymentsDueInTwoYears_3A5C50F574D430B59858158157ADE028" xlink:to="lab_klic_InventoryPurchaseObligationFutureMinimumPaymentsDueInTwoYears_3A5C50F574D430B59858158157ADE028" xlink:type="arc" />
    <link:label id="lab_klic_InventoryPurchaseObligationFutureMinimumPaymentsDueInThreeYears_B89F9117C108E3650ACC158157AD442C_verboseLabel_en-US" xlink:label="lab_klic_InventoryPurchaseObligationFutureMinimumPaymentsDueInThreeYears_B89F9117C108E3650ACC158157AD442C" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Inventory purchase obligation, Payments due by fiscal year 2017</link:label>
    <link:label id="lab_klic_InventoryPurchaseObligationFutureMinimumPaymentsDueInThreeYears_B89F9117C108E3650ACC158157AD442C_label_en-US" xlink:label="lab_klic_InventoryPurchaseObligationFutureMinimumPaymentsDueInThreeYears_B89F9117C108E3650ACC158157AD442C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Inventory Purchase Obligation Future Minimum Payments Due In Three Years</link:label>
    <link:label id="lab_klic_InventoryPurchaseObligationFutureMinimumPaymentsDueInThreeYears_B89F9117C108E3650ACC158157AD442C_documentation_en-US" xlink:label="lab_klic_InventoryPurchaseObligationFutureMinimumPaymentsDueInThreeYears_B89F9117C108E3650ACC158157AD442C" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The inventory purchase obligation of future minimum payment which are due for three years reported as of the period.</link:label>
    <link:loc xlink:href="klic-20141227.xsd#klic_InventoryPurchaseObligationFutureMinimumPaymentsDueInThreeYears" xlink:label="loc_klic_InventoryPurchaseObligationFutureMinimumPaymentsDueInThreeYears_B89F9117C108E3650ACC158157AD442C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_klic_InventoryPurchaseObligationFutureMinimumPaymentsDueInThreeYears_B89F9117C108E3650ACC158157AD442C" xlink:to="lab_klic_InventoryPurchaseObligationFutureMinimumPaymentsDueInThreeYears_B89F9117C108E3650ACC158157AD442C" xlink:type="arc" />
    <link:label id="lab_klic_InventoryPurchaseObligationFutureMinimumPaymentsDueInFourYears_C60FC02634FC180C2137158157ADE102_verboseLabel_en-US" xlink:label="lab_klic_InventoryPurchaseObligationFutureMinimumPaymentsDueInFourYears_C60FC02634FC180C2137158157ADE102" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Inventory purchase obligation, Payments due by fiscal year 2018</link:label>
    <link:label id="lab_klic_InventoryPurchaseObligationFutureMinimumPaymentsDueInFourYears_C60FC02634FC180C2137158157ADE102_label_en-US" xlink:label="lab_klic_InventoryPurchaseObligationFutureMinimumPaymentsDueInFourYears_C60FC02634FC180C2137158157ADE102" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Inventory Purchase Obligation Future Minimum Payments Due In Four Years</link:label>
    <link:label id="lab_klic_InventoryPurchaseObligationFutureMinimumPaymentsDueInFourYears_C60FC02634FC180C2137158157ADE102_documentation_en-US" xlink:label="lab_klic_InventoryPurchaseObligationFutureMinimumPaymentsDueInFourYears_C60FC02634FC180C2137158157ADE102" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The inventory purchase obligation of future minimum payment which are due for four years reported as of the period.</link:label>
    <link:loc xlink:href="klic-20141227.xsd#klic_InventoryPurchaseObligationFutureMinimumPaymentsDueInFourYears" xlink:label="loc_klic_InventoryPurchaseObligationFutureMinimumPaymentsDueInFourYears_C60FC02634FC180C2137158157ADE102" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_klic_InventoryPurchaseObligationFutureMinimumPaymentsDueInFourYears_C60FC02634FC180C2137158157ADE102" xlink:to="lab_klic_InventoryPurchaseObligationFutureMinimumPaymentsDueInFourYears_C60FC02634FC180C2137158157ADE102" xlink:type="arc" />
    <link:label id="lab_klic_InventoryPurchaseObligationFutureMinimumPaymentsDueThereafter_FDA925EA9231D6511C97158157ADD63C_verboseLabel_en-US" xlink:label="lab_klic_InventoryPurchaseObligationFutureMinimumPaymentsDueThereafter_FDA925EA9231D6511C97158157ADD63C" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Inventory purchase obligation, Payments due by fiscal year thereafter</link:label>
    <link:label id="lab_klic_InventoryPurchaseObligationFutureMinimumPaymentsDueThereafter_FDA925EA9231D6511C97158157ADD63C_label_en-US" xlink:label="lab_klic_InventoryPurchaseObligationFutureMinimumPaymentsDueThereafter_FDA925EA9231D6511C97158157ADD63C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Inventory Purchase Obligation Future Minimum Payments Due Thereafter</link:label>
    <link:label id="lab_klic_InventoryPurchaseObligationFutureMinimumPaymentsDueThereafter_FDA925EA9231D6511C97158157ADD63C_documentation_en-US" xlink:label="lab_klic_InventoryPurchaseObligationFutureMinimumPaymentsDueThereafter_FDA925EA9231D6511C97158157ADD63C" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The inventory purchase obligation of future minimum payment which are due for fiscal year reported as of the period.</link:label>
    <link:loc xlink:href="klic-20141227.xsd#klic_InventoryPurchaseObligationFutureMinimumPaymentsDueThereafter" xlink:label="loc_klic_InventoryPurchaseObligationFutureMinimumPaymentsDueThereafter_FDA925EA9231D6511C97158157ADD63C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_klic_InventoryPurchaseObligationFutureMinimumPaymentsDueThereafter_FDA925EA9231D6511C97158157ADD63C" xlink:to="lab_klic_InventoryPurchaseObligationFutureMinimumPaymentsDueThereafter_FDA925EA9231D6511C97158157ADD63C" xlink:type="arc" />
    <link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDue_95086170C3F3B2AE9A9D158157AD2B0B_verboseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDue_95086170C3F3B2AE9A9D158157AD2B0B" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Operating lease obligations</link:label>
    <link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDue_95086170C3F3B2AE9A9D158157AD2B0B_label_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDue_95086170C3F3B2AE9A9D158157AD2B0B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Leases, Future Minimum Payments Due</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDue" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDue_95086170C3F3B2AE9A9D158157AD2B0B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDue_95086170C3F3B2AE9A9D158157AD2B0B" xlink:to="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDue_95086170C3F3B2AE9A9D158157AD2B0B" xlink:type="arc" />
    <link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_AB952B5048F6D508C489158157AD6CCC_verboseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_AB952B5048F6D508C489158157AD6CCC" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Operating lease obligations, Payments due by fiscal year 2015</link:label>
    <link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_AB952B5048F6D508C489158157AD6CCC_label_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_AB952B5048F6D508C489158157AD6CCC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Leases, Future Minimum Payments Due, Next Twelve Months</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_AB952B5048F6D508C489158157AD6CCC" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_AB952B5048F6D508C489158157AD6CCC" xlink:to="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_AB952B5048F6D508C489158157AD6CCC" xlink:type="arc" />
    <link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_1A9171CC32F3A1B18EE4158157AD85EA_verboseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_1A9171CC32F3A1B18EE4158157AD85EA" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Operating lease obligations, Payments due by fiscal year 2016</link:label>
    <link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_1A9171CC32F3A1B18EE4158157AD85EA_label_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_1A9171CC32F3A1B18EE4158157AD85EA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Leases, Future Minimum Payments, Due in Two Years</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_1A9171CC32F3A1B18EE4158157AD85EA" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_1A9171CC32F3A1B18EE4158157AD85EA" xlink:to="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_1A9171CC32F3A1B18EE4158157AD85EA" xlink:type="arc" />
    <link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_04261AA6BC86263A6B65158157ADFD99_verboseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_04261AA6BC86263A6B65158157ADFD99" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Operating lease obligations, Payments due by fiscal year 2017</link:label>
    <link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_04261AA6BC86263A6B65158157ADFD99_label_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_04261AA6BC86263A6B65158157ADFD99" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Leases, Future Minimum Payments, Due in Three Years</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_04261AA6BC86263A6B65158157ADFD99" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_04261AA6BC86263A6B65158157ADFD99" xlink:to="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_04261AA6BC86263A6B65158157ADFD99" xlink:type="arc" />
    <link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_6E927888D705059657DF158157B73079_verboseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_6E927888D705059657DF158157B73079" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Operating lease obligations, Payments due by fiscal year 2018</link:label>
    <link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_6E927888D705059657DF158157B73079_label_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_6E927888D705059657DF158157B73079" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Leases, Future Minimum Payments, Due in Four Years</link:label>
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    <link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter_77C84A84BA29C8E6BF22158157B76C84_verboseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter_77C84A84BA29C8E6BF22158157B76C84" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Operating lease obligations, Payments due by fiscal year thereafter</link:label>
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    <link:label id="lab_us-gaap_OtherCommitment_433311D12AED67440DD9158157B7C5DD_label_en-US" xlink:label="lab_us-gaap_OtherCommitment_433311D12AED67440DD9158157B7C5DD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Commitment</link:label>
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    <link:label id="lab_us-gaap_OtherCommitmentDueInNextTwelveMonths_2CA05B15AF325454DAED158157B7F898_label_en-US" xlink:label="lab_us-gaap_OtherCommitmentDueInNextTwelveMonths_2CA05B15AF325454DAED158157B7F898" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Commitment, Due in Next Twelve Months</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OtherCommitmentDueInNextTwelveMonths" xlink:label="loc_us-gaap_OtherCommitmentDueInNextTwelveMonths_2CA05B15AF325454DAED158157B7F898" xlink:type="locator" />
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    <link:label id="lab_us-gaap_OtherCommitmentDueInSecondYear_9651CB400E994FBDBA9B158157B74CB2_totalLabel_en-US" xlink:label="lab_us-gaap_OtherCommitmentDueInSecondYear_9651CB400E994FBDBA9B158157B74CB2" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total, Payments due by fiscal year 2016</link:label>
    <link:label id="lab_us-gaap_OtherCommitmentDueInSecondYear_9651CB400E994FBDBA9B158157B74CB2_label_en-US" xlink:label="lab_us-gaap_OtherCommitmentDueInSecondYear_9651CB400E994FBDBA9B158157B74CB2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Commitment, Due in Second Year</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OtherCommitmentDueInSecondYear" xlink:label="loc_us-gaap_OtherCommitmentDueInSecondYear_9651CB400E994FBDBA9B158157B74CB2" xlink:type="locator" />
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    <link:label id="lab_us-gaap_OtherCommitmentDueInThirdYear_6747D2BA6CE0B709E092158157B73BBD_label_en-US" xlink:label="lab_us-gaap_OtherCommitmentDueInThirdYear_6747D2BA6CE0B709E092158157B73BBD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Commitment, Due in Third Year</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OtherCommitmentDueInThirdYear" xlink:label="loc_us-gaap_OtherCommitmentDueInThirdYear_6747D2BA6CE0B709E092158157B73BBD" xlink:type="locator" />
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    <link:label id="lab_us-gaap_OtherCommitmentDueInFourthYear_0ABC014AC469ED4E404B158157B715D7_totalLabel_en-US" xlink:label="lab_us-gaap_OtherCommitmentDueInFourthYear_0ABC014AC469ED4E404B158157B715D7" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total, Payments due by fiscal year 2018</link:label>
    <link:label id="lab_us-gaap_OtherCommitmentDueInFourthYear_0ABC014AC469ED4E404B158157B715D7_label_en-US" xlink:label="lab_us-gaap_OtherCommitmentDueInFourthYear_0ABC014AC469ED4E404B158157B715D7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Commitment, Due in Fourth Year</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OtherCommitmentDueInFourthYear" xlink:label="loc_us-gaap_OtherCommitmentDueInFourthYear_0ABC014AC469ED4E404B158157B715D7" xlink:type="locator" />
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    <link:label id="lab_us-gaap_OtherCommitmentDueAfterFifthYear_55A982217666229EAA0E158157B777B5_totalLabel_en-US" xlink:label="lab_us-gaap_OtherCommitmentDueAfterFifthYear_55A982217666229EAA0E158157B777B5" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total, Payments due by fiscal year thereafter</link:label>
    <link:label id="lab_us-gaap_OtherCommitmentDueAfterFifthYear_55A982217666229EAA0E158157B777B5_label_en-US" xlink:label="lab_us-gaap_OtherCommitmentDueAfterFifthYear_55A982217666229EAA0E158157B777B5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Commitment, Due after Fifth Year</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OtherCommitmentDueAfterFifthYear" xlink:label="loc_us-gaap_OtherCommitmentDueAfterFifthYear_55A982217666229EAA0E158157B777B5" xlink:type="locator" />
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    <link:label id="lab_us-gaap_DebtDisclosureAbstract_959B3C58B1AE1F7982CD2F78B3E95D62_label_en-US" xlink:label="lab_us-gaap_DebtDisclosureAbstract_959B3C58B1AE1F7982CD2F78B3E95D62" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Disclosure [Abstract]</link:label>
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    <link:label id="lab_us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis_C5D9DA01750792ACFB072F78B3EAD1DB_terseLabel_en-US" xlink:label="lab_us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis_C5D9DA01750792ACFB072F78B3EAD1DB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Name of Property [Axis]</link:label>
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    <link:label id="lab_klic_KSCorporateHeadquartersMember_23C1ACE090D22FCFDE5F2F78B3EA11FF_terseLabel_en-US" xlink:label="lab_klic_KSCorporateHeadquartersMember_23C1ACE090D22FCFDE5F2F78B3EA11FF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">K&amp;S Corporate Headquarters [Member]</link:label>
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    <link:label id="lab_klic_LesseeLeasingArrangementsCapitalLeasesTermofContract_FEA293866DBABA97D7DF2F78B3EA7396_terseLabel_en-US" xlink:label="lab_klic_LesseeLeasingArrangementsCapitalLeasesTermofContract_FEA293866DBABA97D7DF2F78B3EA7396" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Lease Agreement Term</link:label>
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    <link:label id="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_876C1A4B7BC2D9C35B1E2F78B3EB6A8C_label_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_876C1A4B7BC2D9C35B1E2F78B3EB6A8C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Line of Credit Facility, Maximum Borrowing Capacity</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_876C1A4B7BC2D9C35B1E2F78B3EB6A8C" xlink:type="locator" />
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    <link:label id="lab_us-gaap_GuaranteeObligationsCurrentCarryingValue_E0453E42B8FCEE52D7B62F78B3EBF138_terseLabel_en-US" xlink:label="lab_us-gaap_GuaranteeObligationsCurrentCarryingValue_E0453E42B8FCEE52D7B62F78B3EBF138" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Guarantor Obligations, Current Carrying Value</link:label>
    <link:label id="lab_us-gaap_GuaranteeObligationsCurrentCarryingValue_E0453E42B8FCEE52D7B62F78B3EBF138_label_en-US" xlink:label="lab_us-gaap_GuaranteeObligationsCurrentCarryingValue_E0453E42B8FCEE52D7B62F78B3EBF138" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Guarantor Obligations, Current Carrying Value</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_GuaranteeObligationsCurrentCarryingValue" xlink:label="loc_us-gaap_GuaranteeObligationsCurrentCarryingValue_E0453E42B8FCEE52D7B62F78B3EBF138" xlink:type="locator" />
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    <link:label id="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax_73B7F1A7090093D7EFAF10432E850C30_verboseLabel_en-US" xlink:label="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax_73B7F1A7090093D7EFAF10432E850C30" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Gain from foreign currency translation adjustments</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax_73B7F1A7090093D7EFAF10432E850C30" xlink:type="locator" />
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax_D06C342B0A77885BCAC810432E850D2E" xlink:type="locator" />
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