XML 42 R40.htm IDEA: XBRL DOCUMENT v2.4.1.9

Schedule of Outstanding Foreign Currency Forward Contracts (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 28, 2014
Buy Contracts
Derivative [Line Items]
Derivatives Designated as Hedging Instruments	$ 42,164invest_DerivativeNotionalAmount / us-gaap_DerivativeInstrumentRiskAxis = lrcx_ContractOneMember
Derivatives Not Designated as Hedging Instruments	60,790lrcx_ForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsContractValue / us-gaap_DerivativeInstrumentRiskAxis = lrcx_ContractOneMember
Buy Contracts | Euro
Derivative [Line Items]
Derivatives Designated as Hedging Instruments	42,164invest_DerivativeNotionalAmount / us-gaap_DerivativeByNatureAxis = currency_EUR / us-gaap_DerivativeInstrumentRiskAxis = lrcx_ContractOneMember
Derivatives Not Designated as Hedging Instruments	13,776lrcx_ForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsContractValue / us-gaap_DerivativeByNatureAxis = currency_EUR / us-gaap_DerivativeInstrumentRiskAxis = lrcx_ContractOneMember
Buy Contracts | Korea (South), Won
Derivative [Line Items]
Derivatives Not Designated as Hedging Instruments	13,774lrcx_ForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsContractValue / us-gaap_DerivativeByNatureAxis = currency_KRW / us-gaap_DerivativeInstrumentRiskAxis = lrcx_ContractOneMember
Buy Contracts | Taiwan Dollar
Derivative [Line Items]
Derivatives Not Designated as Hedging Instruments	33,240lrcx_ForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsContractValue / us-gaap_DerivativeByNatureAxis = currency_TWD / us-gaap_DerivativeInstrumentRiskAxis = lrcx_ContractOneMember
Sell Contracts
Derivative [Line Items]
Derivatives Designated as Hedging Instruments	66,567invest_DerivativeNotionalAmount / us-gaap_DerivativeInstrumentRiskAxis = lrcx_ContractTwoMember
Derivatives Not Designated as Hedging Instruments	48,150lrcx_ForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsContractValue / us-gaap_DerivativeInstrumentRiskAxis = lrcx_ContractTwoMember
Sell Contracts | Japanese Yen
Derivative [Line Items]
Derivatives Designated as Hedging Instruments	66,567invest_DerivativeNotionalAmount / us-gaap_DerivativeByNatureAxis = currency_JPY / us-gaap_DerivativeInstrumentRiskAxis = lrcx_ContractTwoMember
Derivatives Not Designated as Hedging Instruments	46,806lrcx_ForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsContractValue / us-gaap_DerivativeByNatureAxis = currency_JPY / us-gaap_DerivativeInstrumentRiskAxis = lrcx_ContractTwoMember
Sell Contracts | Swiss Francs
Derivative [Line Items]
Derivatives Not Designated as Hedging Instruments	$ 1,344lrcx_ForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsContractValue / us-gaap_DerivativeByNatureAxis = currency_CHF / us-gaap_DerivativeInstrumentRiskAxis = lrcx_ContractTwoMember

X

- Definition

Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Article 12

-Section 13

-Sentence Column B

+ Details

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X

- Definition

Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

+ References

No definition available.

+ Details

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- Details

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X

- Details

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X

- Details

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