Quarterly report pursuant to Section 13 or 15(d)

公允价值测量（详细信息）

v2.4.1.9
公允价值测量（详细信息）(USD $)
Dec. 31, 2014
2014年6月30日
Fair Value Measurements
Total cash equivalents and marketable securities $ 2,233,205,000klac_CashEquivalentsAndMarketableSecuritiesFairValueDisclosure [1] $ 3,012,408,000klac_CashEquivalentsAndMarketableSecuritiesFairValueDisclosure [2]
其他流动资产：
Derivative assets 11,584,000us-gaap_DerivativeAssets 666,000us-gaap_DerivativeAssets
Other non-current assets:
执行递延储蓄计划，其他非流动资产 166,305,000klac_ExecutiveDeferredSavingsPlan 159,995,000klac_ExecutiveDeferredSavingsPlan
总财务资产 2,411,094,000us-gaap_AssetsFairValueDisclosureRecurring [1] 3,173,069,000us-gaap_AssetsFairValueDisclosureRecurring [2]
其他流动负债：
Derivative liabilities, other current liabilities (1,816,000)US-GAAP_DERIVATIVELISIONS (898,000)US-GAAP_DERIVATIVELISIONS
总金融负债 (1,816,000)us-gaap_LiabilitiesFairValueDisclosure (898,000)us-gaap_LiabilitiesFairValueDisclosure
Fair Value Measurements
Cash excluded from fair value measurement 111,700,000us-gaap_Cash 106700000年us-gaap_Cash
Time deposits excluded from fair value measurement 21,891,000us-gaap_InterestBearingDepositsInBanks [3] 33,509,000us-gaap_InterestBearingDepositsInBanks [3]
美国政府机构证券
Fair Value Measurements
现金等价物 28,022,000us-gaap_CashAndCashEquivalentsFairValueDisclosure
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_USGovernmentAgenciesDebtSecuritiesMember		 28,000,000us-gaap_CashAndCashEquivalentsFairValueDisclosure
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_USGovernmentAgenciesDebtSecuritiesMember
Marketable securities 666,327,000us-gaap_InvestmentsFairValueDisclosure
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_USGovernmentAgenciesDebtSecuritiesMember		 839,843,000us-gaap_InvestmentsFairValueDisclosure
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_USGovernmentAgenciesDebtSecuritiesMember
市政证券
Fair Value Measurements
现金等价物 2,891,000us-gaap_CashAndCashEquivalentsFairValueDisclosure
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_MunicipalBondsMember
Marketable securities 33,032,000us-gaap_InvestmentsFairValueDisclosure
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_MunicipalBondsMember		 93,325,000us-gaap_InvestmentsFairValueDisclosure
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_MunicipalBondsMember
Corporate debt securities
Fair Value Measurements
现金等价物 14,997,000us-gaap_CashAndCashEquivalentsFairValueDisclosure
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_CorporateDebtSecuritiesMember		 68,992,000us-gaap_CashAndCashEquivalentsFairValueDisclosure
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_CorporateDebtSecuritiesMember
Marketable securities 709,692,000us-gaap_InvestmentsFairValueDisclosure
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_CorporateDebtSecuritiesMember		 1,155,176,000us-gaap_InvestmentsFairValueDisclosure
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_CorporateDebtSecuritiesMember
货币市场和其他
Fair Value Measurements
现金等价物 414,875,000us-gaap_CashAndCashEquivalentsFairValueDisclosure
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= klac_moneymarketbankdepositsitsits和hothermember		 397,517,000us-gaap_CashAndCashEquivalentsFairValueDisclosure
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= klac_moneymarketbankdepositsitsits和hothermember
美国国库券
Fair Value Measurements
Marketable securities 314,722,000us-gaap_InvestmentsFairValueDisclosure
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_USTreasurySecuritiesMember		 384,400,000us-gaap_InvestmentsFairValueDisclosure
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_USTreasurySecuritiesMember
主权证券
Fair Value Measurements
Marketable securities 51,538,000us-gaap_InvestmentsFairValueDisclosure
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_SovereignDebtSecuritiesMember		 42,264,000us-gaap_InvestmentsFairValueDisclosure
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_SovereignDebtSecuritiesMember
1级
Fair Value Measurements
Total cash equivalents and marketable securities 1,399,606,000klac_CashEquivalentsAndMarketableSecuritiesFairValueDisclosure
/ us-gaap_fairvaluebyfairvaluehierhierlevelaxis
= US-GAAP_FAIRVALUEINPUTSLEVEL1MEMBER		 [1] 1,592,012,000klac_CashEquivalentsAndMarketableSecuritiesFairValueDisclosure
/ us-gaap_fairvaluebyfairvaluehierhierlevelaxis
= US-GAAP_FAIRVALUEINPUTSLEVEL1MEMBER		 [2]
其他流动资产：
Derivative assets 0us-gaap_DerivativeAssets
/ us-gaap_fairvaluebyfairvaluehierhierlevelaxis
= US-GAAP_FAIRVALUEINPUTSLEVEL1MEMBER		 0us-gaap_DerivativeAssets
/ us-gaap_fairvaluebyfairvaluehierhierlevelaxis
= US-GAAP_FAIRVALUEINPUTSLEVEL1MEMBER
Other non-current assets:
执行递延储蓄计划，其他非流动资产 95,404,000klac_ExecutiveDeferredSavingsPlan
/ us-gaap_fairvaluebyfairvaluehierhierlevelaxis
= US-GAAP_FAIRVALUEINPUTSLEVEL1MEMBER		 105,311,000klac_ExecutiveDeferredSavingsPlan
/ us-gaap_fairvaluebyfairvaluehierhierlevelaxis
= US-GAAP_FAIRVALUEINPUTSLEVEL1MEMBER
总财务资产 1,495,010,000us-gaap_AssetsFairValueDisclosureRecurring
/ us-gaap_fairvaluebyfairvaluehierhierlevelaxis
= US-GAAP_FAIRVALUEINPUTSLEVEL1MEMBER		 [1] 1,697,323,000us-gaap_AssetsFairValueDisclosureRecurring
/ us-gaap_fairvaluebyfairvaluehierhierlevelaxis
= US-GAAP_FAIRVALUEINPUTSLEVEL1MEMBER		 [2]
其他流动负债：
Derivative liabilities, other current liabilities 0US-GAAP_DERIVATIVELISIONS
/ us-gaap_fairvaluebyfairvaluehierhierlevelaxis
= US-GAAP_FAIRVALUEINPUTSLEVEL1MEMBER		 0US-GAAP_DERIVATIVELISIONS
/ us-gaap_fairvaluebyfairvaluehierhierlevelaxis
= US-GAAP_FAIRVALUEINPUTSLEVEL1MEMBER
总金融负债 0us-gaap_LiabilitiesFairValueDisclosure
/ us-gaap_fairvaluebyfairvaluehierhierlevelaxis
= US-GAAP_FAIRVALUEINPUTSLEVEL1MEMBER		 0us-gaap_LiabilitiesFairValueDisclosure
/ us-gaap_fairvaluebyfairvaluehierhierlevelaxis
= US-GAAP_FAIRVALUEINPUTSLEVEL1MEMBER
1级|美国政府机构证券
Fair Value Measurements
现金等价物 12,022,000us-gaap_CashAndCashEquivalentsFairValueDisclosure
/ us-gaap_fairvaluebyfairvaluehierhierlevelaxis
= US-GAAP_FAIRVALUEINPUTSLEVEL1MEMBER
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_USGovernmentAgenciesDebtSecuritiesMember		 8,000,000us-gaap_CashAndCashEquivalentsFairValueDisclosure
/ us-gaap_fairvaluebyfairvaluehierhierlevelaxis
= US-GAAP_FAIRVALUEINPUTSLEVEL1MEMBER
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_USGovernmentAgenciesDebtSecuritiesMember
Marketable securities 644,336,000us-gaap_InvestmentsFairValueDisclosure
/ us-gaap_fairvaluebyfairvaluehierhierlevelaxis
= US-GAAP_FAIRVALUEINPUTSLEVEL1MEMBER
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_USGovernmentAgenciesDebtSecuritiesMember		 811,841,000us-gaap_InvestmentsFairValueDisclosure
/ us-gaap_fairvaluebyfairvaluehierhierlevelaxis
= US-GAAP_FAIRVALUEINPUTSLEVEL1MEMBER
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_USGovernmentAgenciesDebtSecuritiesMember
1级|市政证券
Fair Value Measurements
现金等价物 0us-gaap_CashAndCashEquivalentsFairValueDisclosure
/ us-gaap_fairvaluebyfairvaluehierhierlevelaxis
= US-GAAP_FAIRVALUEINPUTSLEVEL1MEMBER
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_MunicipalBondsMember
Marketable securities 0us-gaap_InvestmentsFairValueDisclosure
/ us-gaap_fairvaluebyfairvaluehierhierlevelaxis
= US-GAAP_FAIRVALUEINPUTSLEVEL1MEMBER
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_MunicipalBondsMember		 0us-gaap_InvestmentsFairValueDisclosure
/ us-gaap_fairvaluebyfairvaluehierhierlevelaxis
= US-GAAP_FAIRVALUEINPUTSLEVEL1MEMBER
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_MunicipalBondsMember
1级|Corporate debt securities
Fair Value Measurements
现金等价物 0us-gaap_CashAndCashEquivalentsFairValueDisclosure
/ us-gaap_fairvaluebyfairvaluehierhierlevelaxis
= US-GAAP_FAIRVALUEINPUTSLEVEL1MEMBER
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_CorporateDebtSecuritiesMember		 0us-gaap_CashAndCashEquivalentsFairValueDisclosure
/ us-gaap_fairvaluebyfairvaluehierhierlevelaxis
= US-GAAP_FAIRVALUEINPUTSLEVEL1MEMBER
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_CorporateDebtSecuritiesMember
Marketable securities 0us-gaap_InvestmentsFairValueDisclosure
/ us-gaap_fairvaluebyfairvaluehierhierlevelaxis
= US-GAAP_FAIRVALUEINPUTSLEVEL1MEMBER
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_CorporateDebtSecuritiesMember		 0us-gaap_InvestmentsFairValueDisclosure
/ us-gaap_fairvaluebyfairvaluehierhierlevelaxis
= US-GAAP_FAIRVALUEINPUTSLEVEL1MEMBER
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_CorporateDebtSecuritiesMember
1级|货币市场和其他
Fair Value Measurements
现金等价物 414,875,000us-gaap_CashAndCashEquivalentsFairValueDisclosure
/ us-gaap_fairvaluebyfairvaluehierhierlevelaxis
= US-GAAP_FAIRVALUEINPUTSLEVEL1MEMBER
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= klac_moneymarketbankdepositsitsits和hothermember		 397,517,000us-gaap_CashAndCashEquivalentsFairValueDisclosure
/ us-gaap_fairvaluebyfairvaluehierhierlevelaxis
= US-GAAP_FAIRVALUEINPUTSLEVEL1MEMBER
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= klac_moneymarketbankdepositsitsits和hothermember
1级|美国国库券
Fair Value Measurements
Marketable securities 314,722,000us-gaap_InvestmentsFairValueDisclosure
/ us-gaap_fairvaluebyfairvaluehierhierlevelaxis
= US-GAAP_FAIRVALUEINPUTSLEVEL1MEMBER
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_USTreasurySecuritiesMember		 365,401,000us-gaap_InvestmentsFairValueDisclosure
/ us-gaap_fairvaluebyfairvaluehierhierlevelaxis
= US-GAAP_FAIRVALUEINPUTSLEVEL1MEMBER
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_USTreasurySecuritiesMember
1级|主权证券
Fair Value Measurements
Marketable securities 13,651,000us-gaap_InvestmentsFairValueDisclosure
/ us-gaap_fairvaluebyfairvaluehierhierlevelaxis
= US-GAAP_FAIRVALUEINPUTSLEVEL1MEMBER
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_SovereignDebtSecuritiesMember		 9,253,000us-gaap_InvestmentsFairValueDisclosure
/ us-gaap_fairvaluebyfairvaluehierhierlevelaxis
= US-GAAP_FAIRVALUEINPUTSLEVEL1MEMBER
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_SovereignDebtSecuritiesMember
2级
Fair Value Measurements
Total cash equivalents and marketable securities 833,599,000klac_CashEquivalentsAndMarketableSecuritiesFairValueDisclosure
/ us-gaap_fairvaluebyfairvaluehierhierlevelaxis
= us-gaap_fairvalueInputslevel2member		 [1] 1,420,396,000klac_CashEquivalentsAndMarketableSecuritiesFairValueDisclosure
/ us-gaap_fairvaluebyfairvaluehierhierlevelaxis
= us-gaap_fairvalueInputslevel2member		 [2]
其他流动资产：
Derivative assets 11,584,000us-gaap_DerivativeAssets
/ us-gaap_fairvaluebyfairvaluehierhierlevelaxis
= us-gaap_fairvalueInputslevel2member		 666,000us-gaap_DerivativeAssets
/ us-gaap_fairvaluebyfairvaluehierhierlevelaxis
= us-gaap_fairvalueInputslevel2member
Other non-current assets:
执行递延储蓄计划，其他非流动资产 70,901,000klac_ExecutiveDeferredSavingsPlan
/ us-gaap_fairvaluebyfairvaluehierhierlevelaxis
= us-gaap_fairvalueInputslevel2member		 54,684,000klac_ExecutiveDeferredSavingsPlan
/ us-gaap_fairvaluebyfairvaluehierhierlevelaxis
= us-gaap_fairvalueInputslevel2member
总财务资产 916,084,000us-gaap_AssetsFairValueDisclosureRecurring
/ us-gaap_fairvaluebyfairvaluehierhierlevelaxis
= us-gaap_fairvalueInputslevel2member		 [1] 1,475,746,000us-gaap_AssetsFairValueDisclosureRecurring
/ us-gaap_fairvaluebyfairvaluehierhierlevelaxis
= us-gaap_fairvalueInputslevel2member		 [2]
其他流动负债：
Derivative liabilities, other current liabilities (1,816,000)US-GAAP_DERIVATIVELISIONS
/ us-gaap_fairvaluebyfairvaluehierhierlevelaxis
= us-gaap_fairvalueInputslevel2member		 (898,000)US-GAAP_DERIVATIVELISIONS
/ us-gaap_fairvaluebyfairvaluehierhierlevelaxis
= us-gaap_fairvalueInputslevel2member
总金融负债 (1,816,000)us-gaap_LiabilitiesFairValueDisclosure
/ us-gaap_fairvaluebyfairvaluehierhierlevelaxis
= us-gaap_fairvalueInputslevel2member		 (898,000)us-gaap_LiabilitiesFairValueDisclosure
/ us-gaap_fairvaluebyfairvaluehierhierlevelaxis
= us-gaap_fairvalueInputslevel2member
级别2 |美国政府机构证券
Fair Value Measurements
现金等价物 16,000,000us-gaap_CashAndCashEquivalentsFairValueDisclosure
/ us-gaap_fairvaluebyfairvaluehierhierlevelaxis
= us-gaap_fairvalueInputslevel2member
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_USGovernmentAgenciesDebtSecuritiesMember		 20,000,000us-gaap_CashAndCashEquivalentsFairValueDisclosure
/ us-gaap_fairvaluebyfairvaluehierhierlevelaxis
= us-gaap_fairvalueInputslevel2member
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_USGovernmentAgenciesDebtSecuritiesMember
Marketable securities 21,991,000us-gaap_InvestmentsFairValueDisclosure
/ us-gaap_fairvaluebyfairvaluehierhierlevelaxis
= us-gaap_fairvalueInputslevel2member
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_USGovernmentAgenciesDebtSecuritiesMember		 28,002,000us-gaap_InvestmentsFairValueDisclosure
/ us-gaap_fairvaluebyfairvaluehierhierlevelaxis
= us-gaap_fairvalueInputslevel2member
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_USGovernmentAgenciesDebtSecuritiesMember
级别2 |市政证券
Fair Value Measurements
现金等价物 2,891,000us-gaap_CashAndCashEquivalentsFairValueDisclosure
/ us-gaap_fairvaluebyfairvaluehierhierlevelaxis
= us-gaap_fairvalueInputslevel2member
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_MunicipalBondsMember
Marketable securities 33,032,000us-gaap_InvestmentsFairValueDisclosure
/ us-gaap_fairvaluebyfairvaluehierhierlevelaxis
= us-gaap_fairvalueInputslevel2member
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_MunicipalBondsMember		 93,325,000us-gaap_InvestmentsFairValueDisclosure
/ us-gaap_fairvaluebyfairvaluehierhierlevelaxis
= us-gaap_fairvalueInputslevel2member
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_MunicipalBondsMember
级别2 |Corporate debt securities
Fair Value Measurements
现金等价物 14,997,000us-gaap_CashAndCashEquivalentsFairValueDisclosure
/ us-gaap_fairvaluebyfairvaluehierhierlevelaxis
= us-gaap_fairvalueInputslevel2member
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_CorporateDebtSecuritiesMember		 68,992,000us-gaap_CashAndCashEquivalentsFairValueDisclosure
/ us-gaap_fairvaluebyfairvaluehierhierlevelaxis
= us-gaap_fairvalueInputslevel2member
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_CorporateDebtSecuritiesMember
Marketable securities 709,692,000us-gaap_InvestmentsFairValueDisclosure
/ us-gaap_fairvaluebyfairvaluehierhierlevelaxis
= us-gaap_fairvalueInputslevel2member
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_CorporateDebtSecuritiesMember		 1,155,176,000us-gaap_InvestmentsFairValueDisclosure
/ us-gaap_fairvaluebyfairvaluehierhierlevelaxis
= us-gaap_fairvalueInputslevel2member
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_CorporateDebtSecuritiesMember
级别2 |货币市场和其他
Fair Value Measurements
现金等价物 0us-gaap_CashAndCashEquivalentsFairValueDisclosure
/ us-gaap_fairvaluebyfairvaluehierhierlevelaxis
= us-gaap_fairvalueInputslevel2member
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= klac_moneymarketbankdepositsitsits和hothermember		 0us-gaap_CashAndCashEquivalentsFairValueDisclosure
/ us-gaap_fairvaluebyfairvaluehierhierlevelaxis
= us-gaap_fairvalueInputslevel2member
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= klac_moneymarketbankdepositsitsits和hothermember
级别2 |美国国库券
Fair Value Measurements
Marketable securities 0us-gaap_InvestmentsFairValueDisclosure
/ us-gaap_fairvaluebyfairvaluehierhierlevelaxis
= us-gaap_fairvalueInputslevel2member
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_USTreasurySecuritiesMember		 18,999,000us-gaap_InvestmentsFairValueDisclosure
/ us-gaap_fairvaluebyfairvaluehierhierlevelaxis
= us-gaap_fairvalueInputslevel2member
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_USTreasurySecuritiesMember
级别2 |主权证券
Fair Value Measurements
Marketable securities $ 37,887,000us-gaap_InvestmentsFairValueDisclosure
/ us-gaap_fairvaluebyfairvaluehierhierlevelaxis
= us-gaap_fairvalueInputslevel2member
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_SovereignDebtSecuritiesMember		 $ 33,011,000us-gaap_InvestmentsFairValueDisclosure
/ us-gaap_fairvaluebyfairvaluehierhierlevelaxis
= us-gaap_fairvalueInputslevel2member
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_SovereignDebtSecuritiesMember
[1] 截至2014年12月31日，不包括在运营帐户和时间存款中持有的1.117亿美元现金。
[2] Excludes cash of $106.7 million held in operating accounts and time deposits of $33.5 million as of June 30, 2014.
[3] Time deposits excluded from fair value measurements.
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