XML 76 R41.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Schedule of Outstanding Foreign Currency Forward Contracts (Detail) (USD $) | Mar. 29, 2015
--- | ---
Buy Contracts |
Derivative [Line Items] |
Derivatives Designated as Hedging Instruments | $ 32,149,000 invest_DerivativeNotionalAmount / us-gaap_DerivativeInstrumentRiskAxis = lrcx_ContractOneMember
Derivatives Not Designated as Hedging Instruments | 61,892,000 lrcx_ForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsContractValue / us-gaap_DerivativeInstrumentRiskAxis = lrcx_ContractOneMember
Buy Contracts | Euro |
Derivative [Line Items] |
Derivatives Designated as Hedging Instruments | 32,149,000 invest_DerivativeNotionalAmount / us-gaap_DerivativeByNatureAxis = currency_EUR / us-gaap_DerivativeInstrumentRiskAxis = lrcx_ContractOneMember
Derivatives Not Designated as Hedging Instruments | 1,804,000 lrcx_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 | 22,178,000 lrcx_ForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsContractValue / us-gaap_DerivativeByNatureAxis = currency_KRW / us-gaap_DerivativeInstrumentRiskAxis = lrcx_ContractOneMember
Buy Contracts | Taiwan Dollar |
Derivative [Line Items] |
Derivatives Not Designated as Hedging Instruments | 33,239,000 lrcx_ForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsContractValue / us-gaap_DerivativeByNatureAxis = currency_TWD / us-gaap_DerivativeInstrumentRiskAxis = lrcx_ContractOneMember
Buy Contracts | Singapore Dollar |
Derivative [Line Items] |
Derivatives Not Designated as Hedging Instruments | 4,671,000 lrcx_ForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsContractValue / us-gaap_DerivativeByNatureAxis = currency_SGD / us-gaap_DerivativeInstrumentRiskAxis = lrcx_ContractOneMember
Sell Contracts |
Derivative [Line Items] |
Derivatives Designated as Hedging Instruments | 59,529,000 invest_DerivativeNotionalAmount / us-gaap_DerivativeInstrumentRiskAxis = lrcx_ContractTwoMember
Derivatives Not Designated as Hedging Instruments | 39,717,000 lrcx_ForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsContractValue / us-gaap_DerivativeInstrumentRiskAxis = lrcx_ContractTwoMember
Sell Contracts | Japanese Yen |
Derivative [Line Items] |
Derivatives Designated as Hedging Instruments | 59,529,000 invest_DerivativeNotionalAmount / us-gaap_DerivativeByNatureAxis = currency_JPY / us-gaap_DerivativeInstrumentRiskAxis = lrcx_ContractTwoMember
Derivatives Not Designated as Hedging Instruments | 26,451,000 lrcx_ForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsContractValue / us-gaap_DerivativeByNatureAxis = currency_JPY / us-gaap_DerivativeInstrumentRiskAxis = lrcx_ContractTwoMember
Sell Contracts | Swiss Francs |
Derivative [Line Items] |
Derivatives Not Designated as Hedging Instruments | 2,104,000 lrcx_ForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsContractValue / us-gaap_DerivativeByNatureAxis = currency_CHF / us-gaap_DerivativeInstrumentRiskAxis = lrcx_ContractTwoMember
Sell Contracts | Taiwan Dollar |
Derivative [Line Items] |
Derivatives Not Designated as Hedging Instruments | $ 11,162,000 lrcx_ForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsContractValue / us-gaap_DerivativeByNatureAxis = currency_TWD / 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
Name: | invest_DerivativeNotionalAmount
Namespace Prefix: | invest_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | instant

X
- Definition Aggregate notional amount specified by the derivative(s). Expressed as an absolute value. + References No definition available. + Details
Name: | lrcx_ForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsContractValue
Namespace Prefix: | lrcx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_DerivativeLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=lrcx_ContractOneMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=lrcx_ContractTwoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |