Quarterly report pursuant to Section 13 or 15(d)

市场证券（详情）

v2.4.1.9
市场证券（详情）（USD $）
In Thousands, unless otherwise specified
2014年12月31日
君。2014年30日
Marketable Securities
Amortized Cost $ 2,234,046klac_availableforsalesecuritiesandcashequialentsamortizedcost $ 3,008,210klac_availableforsalesecuritiesandcashequialentsamortizedcost
严重未实现的收益 808klac_availableforsaleseCuritiescash等效生长苛刻 4,603klac_availableforsaleseCuritiescash等效生长苛刻
总未实现的损失 （1,649）klac_AvailableForSaleSecuritiesCashEquivalentsGrossUnrealizedLoss (405)klac_AvailableForSaleSecuritiesCashEquivalentsGrossUnrealizedLoss
Fair Value 2,233,205klac_AvailableForSaleSecuritiesAndCashEquivalentsFairValueDisclosure 3,012,408klac_AvailableForSaleSecuritiesAndCashEquivalentsFairValueDisclosure
Add: Time deposits 21,891US-GAAP_InterestBearingDepositsInBanks [1] 33,509US-GAAP_InterestBearingDepositsInBanks [1]
Less: Cash Equivalents, Amortized Cost 473,132US-GAAP_CashEquivalentsAtCarryingValue 524,149US-GAAP_CashEquivalentsAtCarryingValue
Cash Equivalents, Gross Unrealized Gains 0klac_CashEquivalentsGrossUnrealizedGains 0klac_CashEquivalentsGrossUnrealizedGains
Cash Equivalents, Gross Unrealized Losses (4)klac_cashequivalentgrossunrealizedloss. （8）klac_cashequivalentgrossunrealizedloss.
Less: Cash Equivalents, Fair Value 473,128klac_CashEquivalentsNetOfUnrealizedGainsAndLosses 524,141klac_CashEquivalentsNetOfUnrealizedGainsAndLosses
Marketable Securities, Amortized Cost 1,782,805US-GAAP_AVAILABLEFORSALESECURITIONSAmortizedCost 2,517,570US-GAAP_AVAILABLEFORSALESECURITIONSAmortizedCost
Marketable Securities, Gross Unrealized Gains 808US-GAAP_AVAILABLEFORSALESECURITIONSAccumulatedGrossUnrealizedGainBeforeTax 4,603US-GAAP_AVAILABLEFORSALESECURITIONSAccumulatedGrossUnrealizedGainBeforeTax
可销售证券，毛额未实现的损失 (1,645)US-GAAP_AVAILABLESFORSALESECuritiesAccumatedGrossUnRealizedLossBeforetax. （397）US-GAAP_AVAILABLESFORSALESECuritiesAccumatedGrossUnRealizedLossBeforetax.
市场证券，公允价值 1,781,968US-GAAP_AVAILABLEFORSALESECURITIONS 2,521,776US-GAAP_AVAILABLEFORSALESECURITIONS
美国财政证券
Marketable Securities
Amortized Cost 314,760klac_availableforsalesecuritiesandcashequialentsamortizedcost
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_USTreasurySecuritiesMember		 384,165klac_availableforsalesecuritiesandcashequialentsamortizedcost
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_USTreasurySecuritiesMember
严重未实现的收益 106.klac_availableforsaleseCuritiescash等效生长苛刻
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_USTreasurySecuritiesMember		 287klac_availableforsaleseCuritiescash等效生长苛刻
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_USTreasurySecuritiesMember
总未实现的损失 (144)klac_AvailableForSaleSecuritiesCashEquivalentsGrossUnrealizedLoss
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_USTreasurySecuritiesMember		 (52)klac_AvailableForSaleSecuritiesCashEquivalentsGrossUnrealizedLoss
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_USTreasurySecuritiesMember
Fair Value 314,722klac_AvailableForSaleSecuritiesAndCashEquivalentsFairValueDisclosure
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_USTreasurySecuritiesMember		 384,400klac_AvailableForSaleSecuritiesAndCashEquivalentsFairValueDisclosure
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_USTreasurySecuritiesMember
U.S. Government agency securities
Marketable Securities
Amortized Cost 694,683klac_availableforsalesecuritiesandcashequialentsamortizedcost
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_USGovernmentAgenciesDebtSecuritiesMember		 867,309klac_availableforsalesecuritiesandcashequialentsamortizedcost
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_USGovernmentAgenciesDebtSecuritiesMember
严重未实现的收益 219.klac_availableforsaleseCuritiescash等效生长苛刻
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_USGovernmentAgenciesDebtSecuritiesMember		 651.klac_availableforsaleseCuritiescash等效生长苛刻
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_USGovernmentAgenciesDebtSecuritiesMember
总未实现的损失 （553）klac_AvailableForSaleSecuritiesCashEquivalentsGrossUnrealizedLoss
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_USGovernmentAgenciesDebtSecuritiesMember		 （117）klac_AvailableForSaleSecuritiesCashEquivalentsGrossUnrealizedLoss
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_USGovernmentAgenciesDebtSecuritiesMember
Fair Value 694,349.klac_AvailableForSaleSecuritiesAndCashEquivalentsFairValueDisclosure
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_USGovernmentAgenciesDebtSecuritiesMember		 867,843klac_AvailableForSaleSecuritiesAndCashEquivalentsFairValueDisclosure
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_USGovernmentAgenciesDebtSecuritiesMember
Municipal securities
Marketable Securities
Amortized Cost 33,057klac_availableforsalesecuritiesandcashequialentsamortizedcost
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_MunicipalBondsMember		 96,198klac_availableforsalesecuritiesandcashequialentsamortizedcost
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_MunicipalBondsMember
严重未实现的收益 8klac_availableforsaleseCuritiescash等效生长苛刻
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_MunicipalBondsMember		 93.klac_availableforsaleseCuritiescash等效生长苛刻
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_MunicipalBondsMember
总未实现的损失 (33)klac_AvailableForSaleSecuritiesCashEquivalentsGrossUnrealizedLoss
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_MunicipalBondsMember		 （75）klac_AvailableForSaleSecuritiesCashEquivalentsGrossUnrealizedLoss
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_MunicipalBondsMember
Fair Value 33,032klac_AvailableForSaleSecuritiesAndCashEquivalentsFairValueDisclosure
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_MunicipalBondsMember		 96,216klac_AvailableForSaleSecuritiesAndCashEquivalentsFairValueDisclosure
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_MunicipalBondsMember
公司债务证券
Marketable Securities
Amortized Cost 725,124klac_availableforsalesecuritiesandcashequialentsamortizedcost
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= US-GAAP_CORPLENTEDEBTSECURITITYMEMBER		 1,220,794klac_availableforsalesecuritiesandcashequialentsamortizedcost
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= US-GAAP_CORPLENTEDEBTSECURITITYMEMBER
严重未实现的收益 453.klac_availableforsaleseCuritiescash等效生长苛刻
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= US-GAAP_CORPLENTEDEBTSECURITITYMEMBER		 3,526klac_availableforsaleseCuritiescash等效生长苛刻
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= US-GAAP_CORPLENTEDEBTSECURITITYMEMBER
总未实现的损失 (888)klac_AvailableForSaleSecuritiesCashEquivalentsGrossUnrealizedLoss
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= US-GAAP_CORPLENTEDEBTSECURITITYMEMBER		 （152）klac_AvailableForSaleSecuritiesCashEquivalentsGrossUnrealizedLoss
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= US-GAAP_CORPLENTEDEBTSECURITITYMEMBER
Fair Value 724,689.klac_AvailableForSaleSecuritiesAndCashEquivalentsFairValueDisclosure
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= US-GAAP_CORPLENTEDEBTSECURITITYMEMBER		 1,224,168klac_AvailableForSaleSecuritiesAndCashEquivalentsFairValueDisclosure
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= US-GAAP_CORPLENTEDEBTSECURITITYMEMBER
Money market and other
Marketable Securities
Amortized Cost 414,875klac_availableforsalesecuritiesandcashequialentsamortizedcost
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= klac_moneymarketbankdepositsandothermember.		 397,517klac_availableforsalesecuritiesandcashequialentsamortizedcost
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= klac_moneymarketbankdepositsandothermember.
严重未实现的收益 0klac_availableforsaleseCuritiescash等效生长苛刻
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= klac_moneymarketbankdepositsandothermember.		 0klac_availableforsaleseCuritiescash等效生长苛刻
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= klac_moneymarketbankdepositsandothermember.
总未实现的损失 0klac_AvailableForSaleSecuritiesCashEquivalentsGrossUnrealizedLoss
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= klac_moneymarketbankdepositsandothermember.		 0klac_AvailableForSaleSecuritiesCashEquivalentsGrossUnrealizedLoss
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= klac_moneymarketbankdepositsandothermember.
Fair Value 414,875klac_AvailableForSaleSecuritiesAndCashEquivalentsFairValueDisclosure
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= klac_moneymarketbankdepositsandothermember.		 397,517klac_AvailableForSaleSecuritiesAndCashEquivalentsFairValueDisclosure
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= klac_moneymarketbankdepositsandothermember.
Sovereign securities
Marketable Securities
Amortized Cost 51,547klac_availableforsalesecuritiesandcashequialentsamortizedcost
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_SovereignDebtSecuritiesMember		 42,227klac_availableforsalesecuritiesandcashequialentsamortizedcost
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_SovereignDebtSecuritiesMember
严重未实现的收益 22klac_availableforsaleseCuritiescash等效生长苛刻
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_SovereignDebtSecuritiesMember		 46klac_availableforsaleseCuritiescash等效生长苛刻
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_SovereignDebtSecuritiesMember
总未实现的损失 (31)klac_AvailableForSaleSecuritiesCashEquivalentsGrossUnrealizedLoss
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_SovereignDebtSecuritiesMember		 （9）klac_AvailableForSaleSecuritiesCashEquivalentsGrossUnrealizedLoss
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_SovereignDebtSecuritiesMember
Fair Value $ 51,538klac_AvailableForSaleSecuritiesAndCashEquivalentsFairValueDisclosure
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_SovereignDebtSecuritiesMember		 $ 42,264klac_AvailableForSaleSecuritiesAndCashEquivalentsFairValueDisclosure
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_SovereignDebtSecuritiesMember
[1] Time deposits excluded from fair value measurements.
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