根据第13或15（d）条的季度报告

衍生工具和对冲活动 - 其他信息（详细信息）

v2.4.1.9
衍生工具和对冲活动 - 其他信息（详细信息）（$ $）
9个月结束 3个月结束
Mar. 31, 2015
Dec. 31, 2014
Mar. 31, 2015
Jun. 30, 2014
2014年11月30日
2014年10月31日
衍生物[行项目]
Unrealized gains recognized within accumulated other comprehensive income 4,412,000us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax $ 4,412,000us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax $（12,000）us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax
高级笔记
衍生物[行项目]
债务工具，面部金额 2,500,000,000.0us-gaap_债务InstrumentFaceAmount
/ us-gaap_longtermdebttypeaxis
= us-gaap_seniornotesmember
Fixed-rate 4.650% Senior notes due on November 1, 2024 | Senior Notes
衍生物[行项目]
债务工具，面部金额 1,250,000,000us-gaap_债务InstrumentFaceAmount
/ us-gaap_DebtInstrumentAxis
= klac_seniornotesduenovember12024member
/ us-gaap_longtermdebttypeaxis
= us-gaap_seniornotesmember
Stated interest rate 4.65％US-GAAP_DEBTINSTRUMENTERTERTATESTATEDPERCENTAGE
/ us-gaap_DebtInstrumentAxis
= klac_seniornotesduenovember12024member
/ us-gaap_longtermdebttypeaxis
= us-gaap_seniornotesmember		 [1] 4.65％US-GAAP_DEBTINSTRUMENTERTERTATESTATEDPERCENTAGE
/ us-gaap_DebtInstrumentAxis
= klac_seniornotesduenovember12024member
/ us-gaap_longtermdebttypeaxis
= us-gaap_seniornotesmember		 [1] 4.65％US-GAAP_DEBTINSTRUMENTERTERTATESTATEDPERCENTAGE
/ us-gaap_DebtInstrumentAxis
= klac_seniornotesduenovember12024member
/ us-gaap_longtermdebttypeaxis
= us-gaap_seniornotesmember
2018年高级笔记|高级笔记
衍生物[行项目]
债务工具，面部金额 750,000,000us-gaap_债务InstrumentFaceAmount
/ us-gaap_DebtInstrumentAxis
= klac_SeniorNotesDueMay12018Member
/ us-gaap_longtermdebttypeaxis
= us-gaap_seniornotesmember
Stated interest rate 6.90%US-GAAP_DEBTINSTRUMENTERTERTATESTATEDPERCENTAGE
/ us-gaap_DebtInstrumentAxis
= klac_SeniorNotesDueMay12018Member
/ us-gaap_longtermdebttypeaxis
= us-gaap_seniornotesmember		 6.90%US-GAAP_DEBTINSTRUMENTERTERTATESTATEDPERCENTAGE
/ us-gaap_DebtInstrumentAxis
= klac_SeniorNotesDueMay12018Member
/ us-gaap_longtermdebttypeaxis
= us-gaap_seniornotesmember		 6.90%US-GAAP_DEBTINSTRUMENTERTERTATESTATEDPERCENTAGE
/ us-gaap_DebtInstrumentAxis
= klac_SeniorNotesDueMay12018Member
/ us-gaap_longtermdebttypeaxis
= us-gaap_seniornotesmember
指定为对冲乐器的衍生物
衍生物[行项目]
对冲合同最大成熟 13 months
未指定为对冲工具|高级笔记|财政锁|2018年高级笔记|未指定的远期合同
衍生物[行项目]
Notional amount of derivative 750,000,000Invest_derivativenotionalAmount
/ us-gaap_DebtInstrumentAxis
= klac_SeniorNotesDueMay12018Member
/ us-gaap_derivivicbybynatureaxis
= us-gaap_ForwardContractsMember
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_TreasuryLockMember
/ us-gaap_hedgingdesignationaxis
= us-gaap_nondesentedmember
/ us-gaap_underlyingassetClassaxis
= us-gaap_seniornotesmember
Derivative, gain on derivative 1,200,000us-gaap_DerivativeGainOnDerivative
/ us-gaap_DebtInstrumentAxis
= klac_SeniorNotesDueMay12018Member
/ us-gaap_derivivicbybynatureaxis
= us-gaap_ForwardContractsMember
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_TreasuryLockMember
/ us-gaap_hedgingdesignationaxis
= us-gaap_nondesentedmember
/ us-gaap_underlyingassetClassaxis
= us-gaap_seniornotesmember
现金流对冲|指定为对冲乐器的衍生物
衍生物[行项目]
Derivative maximum maturity, cash flow hedges 18 months
现金流对冲|指定为对冲乐器的衍生物| Senior Notes | Treasury Lock | Portion of senior notes | Non-Designated Forward Contracts
衍生物[行项目]
Notional amount of derivative 1,000,000,000Invest_derivativenotionalAmount
/ us-gaap_DebtInstrumentAxis
= klac_portionofseniornotesmember
/ us-gaap_derivivicbybynatureaxis
= us-gaap_ForwardContractsMember
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_TreasuryLockMember
/ us-gaap_derivitiveinstrumentsgainlossbyhedgingralationshipaxis
= us-gaap_cashflowhedgingmember
/ us-gaap_hedgingdesignationaxis
= US-GAAP_DESENTEDASEDASEDGINTGINTIMTRUMENMEMBER
/ us-gaap_underlyingassetClassaxis
= us-gaap_seniornotesmember
Unrealized gains recognized within accumulated other comprehensive income 7,500,000us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax
/ us-gaap_DebtInstrumentAxis
= klac_portionofseniornotesmember
/ us-gaap_derivivicbybynatureaxis
= us-gaap_ForwardContractsMember
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_TreasuryLockMember
/ us-gaap_derivitiveinstrumentsgainlossbyhedgingralationshipaxis
= us-gaap_cashflowhedgingmember
/ us-gaap_hedgingdesignationaxis
= US-GAAP_DESENTEDASEDASEDGINTGINTIMTRUMENMEMBER
/ us-gaap_underlyingassetClassaxis
= us-gaap_seniornotesmember
现金流对冲|指定为对冲乐器的衍生物| Senior Notes | Treasury Lock | Portion of senior notes | Non-Designated Forward Contracts | Interest Expense
衍生物[行项目]
Recognition of gain amortized in accumulated other comprehensive income (loss) 300,000us-gaap_DerivativeInstrumentsGainReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortion
/ us-gaap_DebtInstrumentAxis
= klac_portionofseniornotesmember
/ us-gaap_derivivicbybynatureaxis
= us-gaap_ForwardContractsMember
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_TreasuryLockMember
/ us-gaap_derivitiveinstrumentsgainlossbyhedgingralationshipaxis
= us-gaap_cashflowhedgingmember
/ us-gaap_hedgingdesignationaxis
= US-GAAP_DESENTEDASEDASEDGINTGINTIMTRUMENMEMBER
/ us-gaap_incomestatementlocationaxis
= us-gaap_interestexpensemember
/ us-gaap_underlyingassetClassaxis
= us-gaap_seniornotesmember		 $ 200,000us-gaap_DerivativeInstrumentsGainReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortion
/ us-gaap_DebtInstrumentAxis
= klac_portionofseniornotesmember
/ us-gaap_derivivicbybynatureaxis
= us-gaap_ForwardContractsMember
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_TreasuryLockMember
/ us-gaap_derivitiveinstrumentsgainlossbyhedgingralationshipaxis
= us-gaap_cashflowhedgingmember
/ us-gaap_hedgingdesignationaxis
= US-GAAP_DESENTEDASEDASEDGINTGINTIMTRUMENMEMBER
/ us-gaap_incomestatementlocationaxis
= us-gaap_interestexpensemember
/ us-gaap_underlyingassetClassaxis
= us-gaap_seniornotesmember
[1] The effective interest rate disclosed above for this series of Senior Notes excludes the impact of the treasury rate lock hedge discussed below. The effective interest rate including the impact of the treasury rate lock hedge was 4.626%.
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