根据第13或15（d）条的季度报告

公平和长期激励薪酬计划（现金长期激励计划）（详细信息）

v2.4.1.9
股权和长期激励薪酬计划（现金长期激励计划）（详细信息）（美元$）
In Millions, unless otherwise specified
3个月结束 6个月结束
2014年12月31日
2013年12月31日
2014年12月31日
vesting_installment
2013年12月31日
现金长期激励计划
基于现金的长期激励计划，批准金额 $ 65.7klac_longtermincentiveplanapprovedamount $ 65.7klac_longtermincentiveplanapprovedamount
现金长期激励计划
现金长期激励计划
Cash long-term incentive plan, number of equal vesting installments 4klac_deferredcompensationarangementwithividualnumberofequalvestingInstallments
/ us-gaap_DeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsByTypeOfDeferredCompensationAxis
= klac_cashlongtermincentiveplanmember
现金长期激励计划，平等归属分期付款的百分比 25.00％klac_DeferredCompensationArrangementWithIndividualPercentageOfEqualVestingInstallments
/ us-gaap_DeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsByTypeOfDeferredCompensationAxis
= klac_cashlongtermincentiveplanmember
Cash long-term incentive plan, vesting period 4years
现金长期激励计划，薪酬费用 10.7us-gaap_deferredcompensationarangementwithIvidualCompensationexpense
/ us-gaap_DeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsByTypeOfDeferredCompensationAxis
= klac_cashlongtermincentiveplanmember		 7.3us-gaap_deferredcompensationarangementwithIvidualCompensationexpense
/ us-gaap_DeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsByTypeOfDeferredCompensationAxis
= klac_cashlongtermincentiveplanmember		 18.5us-gaap_deferredcompensationarangementwithIvidualCompensationexpense
/ us-gaap_DeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsByTypeOfDeferredCompensationAxis
= klac_cashlongtermincentiveplanmember		 11.4us-gaap_deferredcompensationarangementwithIvidualCompensationexpense
/ us-gaap_DeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsByTypeOfDeferredCompensationAxis
= klac_cashlongtermincentiveplanmember
现金长期激励计划，未认可的薪酬余额 $ 125.8klac_deferredcompensationarangementwithIdividualunRecognized -cognized concentationLible
/ us-gaap_DeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsByTypeOfDeferredCompensationAxis
= klac_cashlongtermincentiveplanmember		 $ 125.8klac_deferredcompensationarangementwithIdividualunRecognized -cognized concentationLible
/ us-gaap_DeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsByTypeOfDeferredCompensationAxis
= klac_cashlongtermincentiveplanmember
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