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v2.4.1.9

Schedule of Recognized Interest Cost Relating to Both Contractual Interest Coupon and Amortization of Discount on Liability Component of Notes (Detail) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 6 Months Ended
--- | --- | ---
Dec. 28, 2014 | Dec. 29, 2013 | Dec. 28, 2014 | Dec. 29, 2013
Debt Instrument [Line Items] |  |  |  |
Amortization of interest discount |  |  | $ 17,118 us-gaap_AmortizationOfDebtDiscountPremium | $ 16,339 us-gaap_AmortizationOfDebtDiscountPremium
2016, 2018 and 2041 Senior Notes |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Contractual interest coupon | 6,562 lrcx_ContractualInterestCoupon / us-gaap_LongtermDebtTypeAxis = lrcx_TwoThousandSixteenTwoThousandEighteenAndTwoThousandFortyOneSeniorNotesMember | 6,562 lrcx_ContractualInterestCoupon / us-gaap_LongtermDebtTypeAxis = lrcx_TwoThousandSixteenTwoThousandEighteenAndTwoThousandFortyOneSeniorNotesMember | 13,124 lrcx_ContractualInterestCoupon / us-gaap_LongtermDebtTypeAxis = lrcx_TwoThousandSixteenTwoThousandEighteenAndTwoThousandFortyOneSeniorNotesMember | 13,124 lrcx_ContractualInterestCoupon / us-gaap_LongtermDebtTypeAxis = lrcx_TwoThousandSixteenTwoThousandEighteenAndTwoThousandFortyOneSeniorNotesMember
Amortization of interest discount | 8,610 us-gaap_AmortizationOfDebtDiscountPremium / us-gaap_LongtermDebtTypeAxis = lrcx_TwoThousandSixteenTwoThousandEighteenAndTwoThousandFortyOneSeniorNotesMember | 8,217 us-gaap_AmortizationOfDebtDiscountPremium / us-gaap_LongtermDebtTypeAxis = lrcx_TwoThousandSixteenTwoThousandEighteenAndTwoThousandFortyOneSeniorNotesMember | 17,119 us-gaap_AmortizationOfDebtDiscountPremium / us-gaap_LongtermDebtTypeAxis = lrcx_TwoThousandSixteenTwoThousandEighteenAndTwoThousandFortyOneSeniorNotesMember | 16,339 us-gaap_AmortizationOfDebtDiscountPremium / us-gaap_LongtermDebtTypeAxis = lrcx_TwoThousandSixteenTwoThousandEighteenAndTwoThousandFortyOneSeniorNotesMember
Amortization of issuance costs | 590 us-gaap_AmortizationOfFinancingCosts / us-gaap_LongtermDebtTypeAxis = lrcx_TwoThousandSixteenTwoThousandEighteenAndTwoThousandFortyOneSeniorNotesMember | 591 us-gaap_AmortizationOfFinancingCosts / us-gaap_LongtermDebtTypeAxis = lrcx_TwoThousandSixteenTwoThousandEighteenAndTwoThousandFortyOneSeniorNotesMember | 1,181 us-gaap_AmortizationOfFinancingCosts / us-gaap_LongtermDebtTypeAxis = lrcx_TwoThousandSixteenTwoThousandEighteenAndTwoThousandFortyOneSeniorNotesMember | 1,181 us-gaap_AmortizationOfFinancingCosts / us-gaap_LongtermDebtTypeAxis = lrcx_TwoThousandSixteenTwoThousandEighteenAndTwoThousandFortyOneSeniorNotesMember
Total interest cost recognized | $ 15,762 us-gaap_InterestExpenseDebt / us-gaap_LongtermDebtTypeAxis = lrcx_TwoThousandSixteenTwoThousandEighteenAndTwoThousandFortyOneSeniorNotesMember | $ 15,370 us-gaap_InterestExpenseDebt / us-gaap_LongtermDebtTypeAxis = lrcx_TwoThousandSixteenTwoThousandEighteenAndTwoThousandFortyOneSeniorNotesMember | $ 31,424 us-gaap_InterestExpenseDebt / us-gaap_LongtermDebtTypeAxis = lrcx_TwoThousandSixteenTwoThousandEighteenAndTwoThousandFortyOneSeniorNotesMember | $ 30,644 us-gaap_InterestExpenseDebt / us-gaap_LongtermDebtTypeAxis = lrcx_TwoThousandSixteenTwoThousandEighteenAndTwoThousandFortyOneSeniorNotesMember

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- Definition Interest expense related to convertible debt instruments which has been recognized for the period, related to contractual interest coupon. + References No definition available. + Details
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Balance Type: | debit
Period Type: | duration

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- Definition Amount of noncash expense included in interest expense to amortize debt discount and premium associated with the related debt instruments. Excludes amortization of financing costs. Alternate captions include noncash interest expense. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 1A -URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28541-108399 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.8) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 8 -Article 5 + Details
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- Definition Amount of noncash expense included in interest expense to issue debt and obtain financing associated with the related debt instruments. Alternate captions include noncash interest expense. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.8) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 8 -Article 5 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 8 -Article 9 + Details
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- Details
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Balance Type: | na
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- Definition Amount of the cost of borrowed funds accounted for as interest expense for debt. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.8) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 8 -Article 5 + Details
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- Details
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