$LRCX
LAM RESEARCH CORP Stock $lrcx

$lrcx Overview Financials Valuation SEC Filings Company Website

2013 Form 10-K Financial Statement

#000119312513348269 Filed on August 27, 2013

Income Statement

Concept	2013	2012 Q2	2012
Revenue	$3.599B	$741.8M	$2.665B
YoY Change	35.03%	-1.36%	-17.68%
Cost Of Revenue	$2.196B	$433.7M	$1.581B
YoY Change	38.88%	5.52%	-9.15%
Gross Profit	$1.403B	$308.1M	$1.084B
YoY Change	29.43%	-9.67%	-27.6%
Gross Profit Margin	38.99%	41.53%	40.68%
Selling, General & Admin	$601.3M	$141.0M	$401.8M
YoY Change	49.66%	76.47%	30.42%
% of Gross Profit	42.86%	45.76%	37.06%
Research & Development	$683.7M	$124.5M	$444.6M
YoY Change	53.79%	25.0%	19.09%
% of Gross Profit	48.73%	40.41%	41.01%
Depreciation & Amortization	$126.5M	$34.60M	$74.00M
YoY Change	70.95%	73.0%	37.04%
% of Gross Profit	9.02%	11.23%	6.83%
Operating Expenses	$1.285B	$265.5M	$846.3M
YoY Change	51.83%	47.99%	22.14%
Operating Profit	$118.1M	$42.60M	$237.7M
YoY Change	-50.33%	-73.65%	-70.44%
Interest Expense	$60.41M	-$5.900M	$38.96M
YoY Change	55.04%	11.32%	624.2%
% of Operating Profit	51.16%	-13.85%	16.39%
Other Income/Expense, Net	-$51.41M	-$1.700M	-$33.32M
YoY Change	54.32%	-1800.0%	877.27%
Pretax Income	-$46.39M	$22.80M	-$6.950M
YoY Change	567.51%	-83.37%	-104.36%
Income Tax	-$47.22M	$4.700M	$35.70M
% Of Pretax Income		20.61%
Net Earnings	$113.9M	$18.10M	$168.7M
YoY Change	-32.51%	-85.62%	-76.69%
Net Earnings / Revenue	3.16%	2.44%	6.33%
Basic Earnings Per Share	$0.67		$1.36
Diluted Earnings Per Share	$0.66	$133.3K	$1.35
COMMON SHARES
Basic Shares Outstanding	168.9M shares		124.2M shares
Diluted Shares Outstanding	173.4M shares		125.2M shares

Balance Sheet

Concept	2013	2012 Q2	2012
SHORT-TERM ASSETS
Cash & Short-Term Investments	$2.497B	$2.863B	$2.863B
YoY Change	-12.78%	34.92%	34.92%
Cash & Equivalents	$1.162B	$1.565B	$1.565B
Short-Term Investments	$1.335B	$1.298B	$1.298B
Other Short-Term Assets	$135.0M	$154.0M	$154.0M
YoY Change	-12.34%	-5.52%	-5.52%
Inventory	$559.0M	$632.9M	$633.0M
Prepaid Expenses
Receivables	$603.0M	$765.8M	$766.0M
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$3.794B	$4.415B	$4.415B
YoY Change	-14.07%	34.88%	34.89%
LONG-TERM ASSETS
Property, Plant & Equipment	$604.0M	$584.6M	$585.0M
YoY Change	3.25%	116.15%	116.67%
Goodwill		$1.446B
YoY Change		754.88%
Intangibles		$1.240B
YoY Change		2515.06%
Long-Term Investments	$98.00M
YoY Change
Other Assets	$228.0M	$151.9M	$318.0M
YoY Change	-28.3%	22.11%	8.16%
Total Long-Term Assets	$3.456B	$3.590B	$3.590B
YoY Change	-3.73%	359.84%	359.67%
TOTAL ASSETS
Total Short-Term Assets	$3.794B	$4.415B	$4.415B
Total Long-Term Assets	$3.456B	$3.590B	$3.590B
Total Assets	$7.250B	$8.005B	$8.005B
YoY Change	-9.43%	97.46%	97.46%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$200.0M	$258.8M	$259.0M
YoY Change	-22.78%	58.23%	57.93%
Accrued Expenses	$307.0M	$492.2M	$338.0M
YoY Change	-9.17%	37.19%	36.84%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due	$515.0M	$509.6M	$511.0M
YoY Change	0.78%	10092.0%	10120.0%
Total Short-Term Liabilities	$1.404B	$1.427B	$1.427B
YoY Change	-1.61%	109.61%	109.54%
LONG-TERM LIABILITIES
Long-Term Debt	$976.0M	$749.3M	$952.0M
YoY Change	2.52%	1.53%	29.0%
Other Long-Term Liabilities	$381.0M	$219.6M	$494.0M
YoY Change	-22.87%	328.92%	199.39%
Total Long-Term Liabilities	$1.357B	$968.9M	$1.446B
YoY Change	-6.15%	1792.6%	60.13%
TOTAL LIABILITIES
Total Short-Term Liabilities	$1.404B	$1.427B	$1.427B
Total Long-Term Liabilities	$1.357B	$968.9M	$1.446B
Total Liabilities	$2.761B	$2.683B	$2.873B
YoY Change	-3.9%	69.35%	81.38%
SHAREHOLDERS EQUITY
Retained Earnings		$2.859B
YoY Change		6.27%
Common Stock		$187.0K
YoY Change		50.81%
Preferred Stock
YoY Change
Treasury Stock (at cost)		$2.637B
YoY Change		49.69%
Treasury Stock Shares		62.07M shares
Shareholders Equity	$4.489B	$5.132B	$5.132B
YoY Change
Total Liabilities & Shareholders Equity	$7.250B	$8.005B	$8.005B
YoY Change	-9.43%	97.46%	97.46%

Cashflow Statement

Concept	2013	2012 Q2	2012
OPERATING ACTIVITIES
Net Income	$113.9M	$18.10M	$168.7M
YoY Change	-32.51%	-85.62%	-76.69%
Depreciation, Depletion And Amortization	$126.5M	$34.60M	$74.00M
YoY Change	70.95%	73.0%	37.04%
Cash From Operating Activities	$719.9M	$96.70M	$499.0M
YoY Change	44.27%	-51.19%	-43.36%
INVESTING ACTIVITIES
Capital Expenditures	-$160.8M	-$36.90M	-$107.3M
YoY Change	49.86%	6.65%	-15.84%
Acquisitions	$9.916M		-$418.7M
YoY Change	-102.37%
Other Investing Activities	-$77.80M	$748.3M	$377.0M
YoY Change	-120.64%	-336.21%	-206.98%
Cash From Investing Activities	-$238.6M	$711.4M	$269.7M
YoY Change	-188.47%	-302.45%	-156.2%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net	$916.3M		$770.9M
YoY Change	18.86%		287.55%
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-887.8M	-653.0M	-692.7M
YoY Change	28.16%	-193.29%	-231.45%
NET CHANGE
Cash From Operating Activities	719.9M	96.70M	499.0M
Cash From Investing Activities	-238.6M	711.4M	269.7M
Cash From Financing Activities	-887.8M	-653.0M	-692.7M
Net Change In Cash	-406.5M	155.1M	76.01M
YoY Change	-634.81%	-71.63%	-91.81%
FREE CASH FLOW
Cash From Operating Activities	$719.9M	$96.70M	$499.0M
Capital Expenditures	-$160.8M	-$36.90M	-$107.3M
Free Cash Flow	$880.7M	$133.6M	$606.3M
YoY Change	45.26%	-42.59%	-39.88%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
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CY2010Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	885425	shares
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CY2011Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	309933	shares
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CY2012Q2	us-gaap	Share Price SharePrice	35.99
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CY2013Q2	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding		shares
CY2013Q2	us-gaap	Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Number Of Outstanding Options ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions	2570923	shares
CY2013Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	26.87
CY2013Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	2570923	shares
CY2013Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue	39.32
CY2013Q2	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.001
CY2013Q2	us-gaap	Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Exercisable Options Weighted Average Exercise Price1 SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1	24.53
CY2013Q2	us-gaap	Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Outstanding Options Weighted Average Exercise Price Beginning Balance1 SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1	26.87
CY2013Q2	us-gaap	Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Number Of Exercisable Options ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions	1861183	shares
CY2013Q2	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	400000000	shares
CY2013Q2	us-gaap	Treasury Stock Shares TreasuryStockShares	89205000	shares
CY2013Q2	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.001
CY2013Q2	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	5000000	shares
CY2013Q2	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	162873000	shares
CY2013Q2	us-gaap	Deferred Compensation Arrangement With Individual Recorded Liability DeferredCompensationArrangementWithIndividualRecordedLiability	79700000
CY2013Q2	us-gaap	Capital Leases Future Minimum Payments Due CapitalLeasesFutureMinimumPaymentsDue	13981000
CY2013Q2	us-gaap	Purchase Obligation Due In Second Year PurchaseObligationDueInSecondYear	5733000
CY2013Q2	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	257700000
CY2013Q2	us-gaap	Commitments And Contingencies CommitmentsAndContingencies
CY2013Q2	us-gaap	Derivative Fair Value Of Derivative Liability DerivativeFairValueOfDerivativeLiability	-1620000
CY2013Q2	us-gaap	Operating Leases Future Minimum Payments Due Current OperatingLeasesFutureMinimumPaymentsDueCurrent	14122000
CY2013Q2	us-gaap	Long Term Debt Current LongTermDebtCurrent	513000000
CY2013Q2	us-gaap	Purchase Obligation PurchaseObligation	158596000
CY2013Q2	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	333100000
CY2013Q2	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	777400000
CY2013Q2	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	14581000
CY2013Q2	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	449102000
CY2013Q2	us-gaap	Capital Leases Future Minimum Payments Due Current CapitalLeasesFutureMinimumPaymentsDueCurrent	1849000
CY2013Q2	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	118061000
CY2013Q2	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	5084544000
CY2013Q2	us-gaap	Operating Leases Future Minimum Payments Due OperatingLeasesFutureMinimumPaymentsDue	39148000
CY2013Q2	us-gaap	Accounts Payable Current AccountsPayableCurrent	200254000
CY2013Q2	us-gaap	Capital Leases Future Minimum Payments Due In Four Years CapitalLeasesFutureMinimumPaymentsDueInFourYears	8507000
CY2013Q2	us-gaap	Operating Leases Future Minimum Payments Due In Four Years OperatingLeasesFutureMinimumPaymentsDueInFourYears	6346000
CY2013Q2	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	76594000
CY2013Q2	us-gaap	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Restructuring Liabilities BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedRestructuringLiabilities	11400000
CY2013Q2	us-gaap	Product Warranty Accrual Classified Current ProductWarrantyAccrualClassifiedCurrent	52252000
CY2013Q2	us-gaap	Long Term Debt LongTermDebt	1290400000
CY2013Q2	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	134313000
CY2013Q2	us-gaap	Long Term Debt And Capital Lease Obligations Current LongTermDebtAndCapitalLeaseObligationsCurrent	514655000
CY2013Q2	us-gaap	Capital Lease Obligations Noncurrent CapitalLeaseObligationsNoncurrent	11848000
CY2013Q2	us-gaap	Stockholders Equity StockholdersEquity	4488872000
CY2013Q2	us-gaap	Temporary Equity Carrying Amount Attributable To Parent TemporaryEquityCarryingAmountAttributableToParent	186920000
CY2013Q2	us-gaap	Purchase Obligation Due In Fifth Year PurchaseObligationDueInFifthYear	1063000
CY2013Q2	us-gaap	Deferred Tax Liabilities Undistributed Foreign Earnings DeferredTaxLiabilitiesUndistributedForeignEarnings	462200000
CY2013Q2	us-gaap	Purchase Obligation Due In Fourth Year PurchaseObligationDueInFourthYear	1063000
CY2013Q2	us-gaap	Derivative Liabilities DerivativeLiabilities	1815000
CY2013Q2	us-gaap	Deferred Compensation Liability Current DeferredCompensationLiabilityCurrent	254795000
CY2013Q2	us-gaap	Purchase Obligation Due After Fifth Year PurchaseObligationDueAfterFifthYear
CY2013Q2	us-gaap	Other Deferred Credits Current OtherDeferredCreditsCurrent	225038000
CY2013Q2	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	2972688000
CY2013Q2	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	789256000
CY2013Q2	us-gaap	Capital Leases Future Minimum Payments Due In Five Years CapitalLeasesFutureMinimumPaymentsDueInFiveYears
CY2013Q2	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	259319000
CY2013Q2	us-gaap	Preferred Stock Value PreferredStockValue
CY2013Q2	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	464528000
CY2013Q2	us-gaap	Capital Lease Obligations Current CapitalLeaseObligationsCurrent	1641000
CY2013Q2	us-gaap	Liability For Uncertain Tax Positions Noncurrent LiabilityForUncertainTaxPositionsNoncurrent	246500000
CY2013Q2	us-gaap	Operating Leases Future Minimum Payments Due In Two Years OperatingLeasesFutureMinimumPaymentsDueInTwoYears	10386000
CY2013Q2	us-gaap	Foreign Currency Cash Flow Hedge Gain Loss To Be Reclassified During Next12 Months ForeignCurrencyCashFlowHedgeGainLossToBeReclassifiedDuringNext12Months	2800000
CY2013Q2	us-gaap	Liabilities Fair Value Disclosure Recurring LiabilitiesFairValueDisclosureRecurring	1815000
CY2013Q2	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	5448000
CY2013Q2	us-gaap	Capital Leases Future Minimum Payments Due Thereafter CapitalLeasesFutureMinimumPaymentsDueThereafter
CY2013Q2	us-gaap	Standard Product Warranty Accrual StandardProductWarrantyAccrual	58078000
CY2013Q2	us-gaap	Purchase Obligation Due In Next Twelve Months PurchaseObligationDueInNextTwelveMonths	147425000
CY2013Q2	us-gaap	Capital Leases Future Minimum Payments Due In Three Years CapitalLeasesFutureMinimumPaymentsDueInThreeYears	1797000
CY2013Q2	us-gaap	Undistributed Earnings Of Foreign Subsidiaries UndistributedEarningsOfForeignSubsidiaries	2100000000
CY2013Q2	us-gaap	Operating Leases Future Minimum Payments Due In Five Years OperatingLeasesFutureMinimumPaymentsDueInFiveYears	1621000
CY2013Q2	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets	94836000
CY2013Q2	us-gaap	Liabilities Liabilities	2574523000
CY2013Q2	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	19586000
CY2013Q2	us-gaap	Available For Sale Securities Debt Maturities Within One Year Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost	1171873000
CY2013Q2	us-gaap	Derivative Assets DerivativeAssets	4929000
CY2013Q2	us-gaap	Operating Leases Future Minimum Payments Due In Three Years OperatingLeasesFutureMinimumPaymentsDueInThreeYears	7429000
CY2013Q2	us-gaap	Accrued Liabilities Fair Value Disclosure AccruedLiabilitiesFairValueDisclosure	1620000
CY2013Q2	us-gaap	Purchase Obligation Due In Third Year PurchaseObligationDueInThirdYear	3312000
CY2013Q2	us-gaap	Standard Product Warranty Accrual Noncurrent StandardProductWarrantyAccrualNoncurrent	5826000
CY2013Q2	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	310338000
CY2013Q2	us-gaap	Taxes Payable Current TaxesPayableCurrent	39420000
CY2013Q2	us-gaap	Defined Benefit Plan Accumulated Benefit Obligation DefinedBenefitPlanAccumulatedBenefitObligation	21400000
CY2013Q2	us-gaap	Common Stock Value CommonStockValue	163000
CY2013Q2	us-gaap	Other Liabilities Fair Value Disclosure OtherLiabilitiesFairValueDisclosure	195000
CY2013Q2	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	7250315000
CY2013Q2	us-gaap	Capital Leases Future Minimum Payments Due In Two Years CapitalLeasesFutureMinimumPaymentsDueInTwoYears	1828000
CY2013Q2	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	159499000
CY2013Q2	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	160887000
CY2013Q2	us-gaap	Capital Leases Future Minimum Payments Interest Included In Payments CapitalLeasesFutureMinimumPaymentsInterestIncludedInPayments	492000
CY2013Q2	us-gaap	Other Assets Fair Value Disclosure OtherAssetsFairValueDisclosure	25312000
CY2013Q2	us-gaap	Land Land	65360000
CY2013Q2	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	317796000
CY2013Q2	us-gaap	Goodwill Goodwill	1452196000
CY2013Q2	us-gaap	Leasehold Improvements Gross LeaseholdImprovementsGross	76225000
CY2013Q2	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	1074345000
CY2013Q2	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	602624000
CY2013Q2	us-gaap	Inventory Net InventoryNet	559317000
CY2013Q2	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	157310000
CY2013Q2	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	887858000
CY2013Q2	us-gaap	Indefinite Lived Intangible Assets Excluding Goodwill IndefiniteLivedIntangibleAssetsExcludingGoodwill	29100000
CY2013Q2	us-gaap	Inventory Finished Goods Net Of Reserves InventoryFinishedGoodsNetOfReserves	145303000
CY2013Q2	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	241202000
CY2013Q2	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	1053012000
CY2013Q2	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	153352000
CY2013Q2	us-gaap	Assets Fair Value Disclosure Recurring AssetsFairValueDisclosureRecurring	2255183000
CY2013Q2	us-gaap	Deferred Tax Assets Net Current DeferredTaxAssetsNetCurrent	27674000
CY2013Q2	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Stock Options EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions	7400000
CY2013Q2	us-gaap	Machinery And Equipment Gross MachineryAndEquipmentGross	521047000
CY2013Q2	us-gaap	Inventory Raw Materials Net Of Reserves InventoryRawMaterialsNetOfReserves	312484000
CY2013Q2	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue	700214000
CY2013Q2	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	11286000
CY2013Q2	us-gaap	Short Term Investments ShortTermInvestments	1334745000
CY2013Q2	us-gaap	Buildings And Improvements Gross BuildingsAndImprovementsGross	249126000
CY2013Q2	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	-18117000
CY2013Q2	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	695161000
CY2013Q2	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	1045245000
CY2013Q2	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	36900000
CY2013Q2	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals	94720000
CY2013Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	44900000
CY2013Q2	us-gaap	Inventory Work In Process Net Of Reserves InventoryWorkInProcessNetOfReserves	101530000
CY2013Q2	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	155093000
CY2013Q2	us-gaap	Property Plant And Equipment Other PropertyPlantAndEquipmentOther	120144000
CY2013Q2	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost	888904000
CY2013Q2	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	1355583000
CY2013Q2	us-gaap	Investments Fair Value Disclosure InvestmentsFairValueDisclosure	1334746000
CY2013Q2	us-gaap	Treasury Stock Value TreasuryStockValue	3539830000
CY2013Q2	us-gaap	Tax Credit Carryforward Amount TaxCreditCarryforwardAmount	86100000
CY2013Q2	us-gaap	Deferred Tax Assets Inventory DeferredTaxAssetsInventory	22833000
CY2013Q2	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	603910000
CY2013Q2	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	152100000
CY2013Q2	us-gaap	Cash And Cash Equivalents Fair Value Disclosure CashAndCashEquivalentsFairValueDisclosure	725311000
CY2013Q2	us-gaap	Operating Leases Future Minimum Payments Due Future Minimum Sublease Rentals OperatingLeasesFutureMinimumPaymentsDueFutureMinimumSubleaseRentals	5202000
CY2013Q2	us-gaap	Assets Assets	7250315000
CY2013Q2	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	5053000
CY2013Q2	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	1162473000
CY2013Q2	us-gaap	Furniture And Fixtures Gross FurnitureAndFixturesGross	21110000
CY2013Q2	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	106996000
CY2013Q2	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	1172331000
CY2013Q2	us-gaap	Restricted Cash And Investments Noncurrent RestrictedCashAndInvestmentsNoncurrent	166536000
CY2013Q2	us-gaap	Intangible Assets Gross Excluding Goodwill IntangibleAssetsGrossExcludingGoodwill	1384683000
CY2013Q2	us-gaap	Finite Lived Intangible Assets Amortization Expense After Year Five FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive	266503000
CY2013Q2	us-gaap	Deferred Tax Assets Tax Credit Carryforwards DeferredTaxAssetsTaxCreditCarryforwards	169371000
CY2013Q2	us-gaap	Available For Sale Securities Debt Maturities Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAmortizedCost	2226065000
CY2013Q2	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	4929000
CY2013Q2	us-gaap	Assets Current AssetsCurrent	3793829000
CY2013Q2	lrcx	Investment Contractual Maturity Period InvestmentContractualMaturityPeriod	P1Y
CY2013Q2	lrcx	Available For Sale Securities Debt Maturities After Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterFiveYearsFairValue	164753000
CY2013Q2	lrcx	Restricted Cash Fair Value Disclosure RestrictedCashFairValueDisclosure	164885000
CY2013Q2	lrcx	Tax Deductible Goodwill TaxDeductibleGoodwill	61000000
CY2013Q2	lrcx	Business Acquisition Share Exchange Ratio BusinessAcquisitionShareExchangeRatio	1.125
CY2013Q2	lrcx	Prepaid Expenses Fair Value Disclosure PrepaidExpensesFairValueDisclosure	4929000
CY2013Q2	lrcx	Number Of Operating Leases NumberOfOperatingLeases	2	pure
CY2013Q2	lrcx	Assets Correlated To Deferred Compensation Obligation AssetsCorrelatedToDeferredCompensationObligation	98100000
CY2013Q2	lrcx	Number Of Operating Locations NumberOfOperatingLocations	6	Location
CY2013Q2	lrcx	Available For Sale Securities Debt Maturities After Five Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterFiveYearsAmortizedCost	165288000
CY2011	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	3310	shares
CY2011	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	241000	shares
CY2011	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	123529000	shares
CY2011	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeited In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod	154185	shares
CY2011	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod	922210	shares
CY2011	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	21.68
CY2011	us-gaap	Sales Revenue Net SalesRevenueNet	3237693000
CY2011	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	12406000
CY2011	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	50.11
CY2011	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.35	pure
CY2011	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	1490000	shares
CY2011	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod	1177447	shares
CY2011	us-gaap	Business Acquisition Pro Forma Earnings Per Share Basic BusinessAcquisitionProFormaEarningsPerShareBasic	4.34
CY2011	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue	27.03
CY2011	us-gaap	Business Acquisition Pro Forma Earnings Per Share Diluted BusinessAcquisitionProFormaEarningsPerShareDiluted	4.18
CY2011	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	881028000
CY2011	us-gaap	Income Tax Holiday Income Tax Benefits Per Share IncomeTaxHolidayIncomeTaxBenefitsPerShare	0.96
CY2011	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	572182	shares
CY2013Q2	lrcx	Available For Sale Securities Continuous Unrealized Loss Position Less Than12 Months Aggregate Losses Accumulated In Investments AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAggregateLossesAccumulatedInInvestments	3721000
CY2013Q2	lrcx	Available For Sale Securities Continuous Unrealized Loss Position12 Months Or Longer Aggregate Losses Accumulated In Investments AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAggregateLossesAccumulatedInInvestments	120000
CY2013Q2	lrcx	Available For Sale Securities Continuous Unrealized Loss Position Aggregate Losses Accumulated In Investments AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAggregateLossesAccumulatedInInvestments	3841000
CY2011Q2	us-gaap	Proceeds From Debt Net Of Issuance Costs ProceedsFromDebtNetOfIssuanceCosts	835500000
CY2013Q2	us-gaap	Stock Repurchase Program Remaining Authorized Repurchase Amount StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount	250000000
CY2011	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	20.35
CY2011	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	5.86
CY2011	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	5.79
CY2011	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	125019000	shares
CY2011	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeitures Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue	32.20
CY2011	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	127495000
CY2011	us-gaap	Increase Decrease In Restricted Cash IncreaseDecreaseInRestrictedCash	22000
CY2011	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	185000
CY2011	us-gaap	Adjustments To Additional Paid In Capital Warrant Issued AdjustmentsToAdditionalPaidInCapitalWarrantIssued	133830000
CY2011	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	159250000
CY2011	us-gaap	Investment Income Interest InvestmentIncomeInterest	9890000
CY2011	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	70774000
CY2011	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	564485000
CY2011	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	641626000
CY2011	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-3409000
CY2011	us-gaap	Excess Tax Benefit From Share Based Compensation Operating Activities ExcessTaxBenefitFromShareBasedCompensationOperatingActivities	23290000
CY2011	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	-5134000
CY2011	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-481000
CY2011	us-gaap	Interest Paid InterestPaid	232000
CY2011	us-gaap	Adjustments To Additional Paid In Capital Tax Effect From Share Based Compensation AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation	28775000
CY2011	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax	582000
CY2011	us-gaap	Payments For Hedge Financing Activities PaymentsForHedgeFinancingActivities	181125000
CY2011	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	800876000
CY2011	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	80695000
CY2011	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	89716000
CY2011	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	-11085000
CY2011	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	13700000
CY2011	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	25282000
CY2011	us-gaap	Repayments Of Long Term Debt And Capital Securities RepaymentsOfLongTermDebtAndCapitalSecurities	4530000
CY2011	us-gaap	Stock Issued During Period Value Treasury Stock Reissued StockIssuedDuringPeriodValueTreasuryStockReissued	21218000
CY2011	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	20100000
CY2011	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	803358000
CY2011	us-gaap	Payments To Acquire Equity Method Investments PaymentsToAcquireEquityMethodInvestments	417000
CY2011	us-gaap	Gross Profit GrossProfit	1497232000
CY2011	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	2341000
CY2011	us-gaap	Operating Income Loss OperatingIncomeLoss	804285000
CY2011	us-gaap	Business Acquisitions Pro Forma Net Income Loss BusinessAcquisitionsProFormaNetIncomeLoss	894864000
CY2011	us-gaap	Adjustments To Additional Paid In Capital Equity Component Of Convertible Debt AdjustmentsToAdditionalPaidInCapitalEquityComponentOfConvertibleDebt	110655000
CY2011	us-gaap	Income Tax Reconciliation Tax Credits IncomeTaxReconciliationTaxCredits	16503000
CY2011	us-gaap	Income Tax Holiday Aggregate Dollar Amount IncomeTaxHolidayAggregateDollarAmount	119500000
CY2011	us-gaap	Business Acquisitions Pro Forma Revenue BusinessAcquisitionsProFormaRevenue	4743797000
CY2011	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	-1186000
CY2011	us-gaap	Gain On Sale Of Investments GainOnSaleOfInvestments	700000
CY2011	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	-436000
CY2011	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	211316000
CY2011	us-gaap	Employee Service Share Based Compensation Tax Benefit Realized From Exercise Of Stock Options EmployeeServiceShareBasedCompensationTaxBenefitRealizedFromExerciseOfStockOptions	16300000
CY2011	us-gaap	Net Income Loss NetIncomeLoss	723748000
CY2011	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	77461000
CY2011	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	79610000
CY2011	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	53012000
CY2011	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	8600000
CY2011	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	1740461000
CY2011	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax	316000
CY2011	us-gaap	State And Local Income Tax Expense Benefit Continuing Operations StateAndLocalIncomeTaxExpenseBenefitContinuingOperations	29748000
CY2011	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-10721000
CY2011	us-gaap	Income Tax Reconciliation Other Reconciling Items IncomeTaxReconciliationOtherReconcilingItems	-337000
CY2011	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	13400000
CY2011	us-gaap	Other Nonoperating Expense OtherNonoperatingExpense	2516000
CY2011	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	526986000
CY2011	us-gaap	Deferred Tax Expense From Stock Options Exercised DeferredTaxExpenseFromStockOptionsExercised	28775000
CY2011	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	946365000
CY2011	us-gaap	Share Based Compensation ShareBasedCompensation	53012000
CY2011	us-gaap	Loss On Sale Of Investments LossOnSaleOfInvestments	-300000
CY2011	us-gaap	Depreciation And Amortization DepreciationAndAmortization	74759000
CY2011	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	10078000
CY2011	us-gaap	Marketable Securities Realized Gain Loss Other Than Temporary Impairments Amount MarketableSecuritiesRealizedGainLossOtherThanTemporaryImpairmentsAmount	0
CY2011	us-gaap	Income Tax Reconciliation Nondeductible Expense Share Based Compensation Cost IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost	12244000
CY2011	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	9000000
CY2011	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	5200000
CY2011	us-gaap	Foreign Income Tax Expense Benefit Continuing Operations ForeignIncomeTaxExpenseBenefitContinuingOperations	17404000
CY2011	us-gaap	Operating Expenses OperatingExpenses	692947000
CY2011	us-gaap	Amortization Of Debt Discount Premium AmortizationOfDebtDiscountPremium	3554000
CY2011	us-gaap	Increase Decrease In Accounts Payable Trade IncreaseDecreaseInAccountsPayableTrade	42320000
CY2011	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	308075000
CY2011	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	77128000
CY2011	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	18264000
CY2011	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax	-5716000
CY2011	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	347434000
CY2011	us-gaap	Increase Decrease In Deferred Revenue IncreaseDecreaseInDeferredRevenue	34012000
CY2011	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	16700000
CY2011	us-gaap	Interest Expense InterestExpense	5380000
CY2011	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	9322000
CY2011	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	12401000
CY2011	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-120000
CY2011	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	280306000
CY2011	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	1544000
CY2011	us-gaap	Federal Income Tax Expense Benefit Continuing Operations FederalIncomeTaxExpenseBenefitContinuingOperations	29976000
CY2011	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	2478000
CY2011	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	882831000
CY2011	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	23290000
CY2011	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	24200000
CY2011	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	21000000
CY2011	us-gaap	Proceeds From Sale And Maturity Of Available For Sale Securities ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities	210962000
CY2011	us-gaap	Restructuring Charges RestructuringCharges	11579000
CY2011	us-gaap	Depreciation Depreciation	54000000
CY2011	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	53000000
CY2011	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	-217982000
CY2011	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Expense UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense	16900000
CY2011	us-gaap	Proceeds From Sale Of Treasury Stock ProceedsFromSaleOfTreasuryStock	21194000
CY2011	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-479913000
CY2011	us-gaap	Proceeds From Issuance Of Warrants ProceedsFromIssuanceOfWarrants	133830000
CY2011	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	373293000
CY2011	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	666000
CY2011	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax	2162000
CY2011	us-gaap	Impairment Of Long Lived Assets Held For Use ImpairmentOfLongLivedAssetsHeldForUse	0
CY2011	us-gaap	Increase Decrease In Accrued Liabilities And Other Operating Liabilities IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities	138080000
CY2011	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	5100000
CY2011	lrcx	Allowance For Doubtful Accounts Receivable Recoveries Written Off AllowanceForDoubtfulAccountsReceivableRecoveriesWrittenOff	3800000
CY2011	lrcx	Purchase Of Convertible Note Hedge Effect On Equity PurchaseOfConvertibleNoteHedgeEffectOnEquity	-114110000
CY2012	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-1053000
CY2011	lrcx	Gain Or Loss On Assets Related To Deferred Compensation Plan GainOrLossOnAssetsRelatedToDeferredCompensationPlan	5682000
CY2011	lrcx	Operating Expense Restructurings And Impairment Charges OperatingExpenseRestructuringsAndImpairmentCharges	11579000
CY2011	lrcx	Net Cash Received In Settlement Of Paid In Advance For Stock Repurchase Contracts NetCashReceivedInSettlementOfPaidInAdvanceForStockRepurchaseContracts	-149589000
CY2012	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.36
CY2012	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice	21.71
CY2012	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.35
CY2012	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	125233000	shares
CY2012	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeitures Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue	40.91
CY2012	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.35	pure
CY2012	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	910000	shares
CY2012	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod	1507883	shares
CY2012	us-gaap	Business Acquisition Pro Forma Earnings Per Share Basic BusinessAcquisitionProFormaEarningsPerShareBasic	0.76
CY2012	us-gaap	Incremental Common Shares Attributable To Conversion Of Debt Securities IncrementalCommonSharesAttributableToConversionOfDebtSecurities	147000	shares
CY2012	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue	35.47
CY2012	us-gaap	Business Acquisition Pro Forma Earnings Per Share Diluted BusinessAcquisitionProFormaEarningsPerShareDiluted	0.74
CY2012	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	499028000
CY2012	us-gaap	Income Tax Holiday Income Tax Benefits Per Share IncomeTaxHolidayIncomeTaxBenefitsPerShare	0.18
CY2012	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	74615	shares
CY2012	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	265384	shares
CY2012	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	382000	shares
CY2012	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	23.70
CY2012	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	41.23
CY2012	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	124176000	shares
CY2012	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeited In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod	120070	shares
CY2012	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod	2336283	shares
CY2012	us-gaap	Standard Product Warranty Accrual Preexisting Increase Decrease StandardProductWarrantyAccrualPreexistingIncreaseDecrease	3858000
CY2012	us-gaap	Sales Revenue Net SalesRevenueNet	2665192000
CY2012	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	1768000
CY2012	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	107272000
CY2012	us-gaap	Increase Decrease In Restricted Cash IncreaseDecreaseInRestrictedCash	6000
CY2012	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-204000
CY2012	us-gaap	Standard Product Warranty Accrual Additions From Business Acquisition StandardProductWarrantyAccrualAdditionsFromBusinessAcquisition	38967000
CY2012	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	-6950000
CY2012	us-gaap	Investment Income Interest InvestmentIncomeInterest	12141000
CY2012	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	29113000
CY2012	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	883429000
CY2012	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	-418681000
CY2012	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	211368000
CY2012	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-33315000
CY2012	us-gaap	Business Combination Pro Forma Information Earnings Or Loss Of Acquiree Since Acquisition Date Actual BusinessCombinationProFormaInformationEarningsOrLossOfAcquireeSinceAcquisitionDateActual	-29187000
CY2012	us-gaap	Excess Tax Benefit From Share Based Compensation Operating Activities ExcessTaxBenefitFromShareBasedCompensationOperatingActivities	2686000
CY2012	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	-9342000
CY2012	us-gaap	Gross Profit GrossProfit	1084069000
CY2012	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-10877000
CY2012	us-gaap	Operating Income Loss OperatingIncomeLoss	237733000
CY2012	us-gaap	Business Acquisitions Pro Forma Net Income Loss BusinessAcquisitionsProFormaNetIncomeLoss	152981000
CY2012	us-gaap	Stock Issued During Period Value Acquisitions StockIssuedDuringPeriodValueAcquisitions	3026988000
CY2012	us-gaap	Stock Repurchase Program Remaining Authorized Repurchase Amount StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount	911933000
CY2012	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	772663000
CY2012	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax	-793000
CY2012	us-gaap	Income Tax Reconciliation Tax Credits IncomeTaxReconciliationTaxCredits	5791000
CY2012	us-gaap	Income Tax Holiday Aggregate Dollar Amount IncomeTaxHolidayAggregateDollarAmount	22300000
CY2012	us-gaap	Business Acquisitions Pro Forma Revenue BusinessAcquisitionsProFormaRevenue	3804252000
CY2012	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	-4401000
CY2012	us-gaap	Standard Product Warranty Accrual Warranties Issued StandardProductWarrantyAccrualWarrantiesIssued	45095000
CY2012	us-gaap	Gain On Sale Of Investments GainOnSaleOfInvestments	1400000
CY2012	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	-474000
CY2012	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	1283111000
CY2012	us-gaap	Income Tax Reconciliation Other Reconciling Items IncomeTaxReconciliationOtherReconcilingItems	592000
CY2012	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	4300000
CY2012	us-gaap	Liabilities Assumed1 LiabilitiesAssumed1	20853000
CY2012	us-gaap	Business Combination Pro Forma Information Revenue Of Acquiree Since Acquisition Date Actual BusinessCombinationProFormaInformationRevenueOfAcquireeSinceAcquisitionDateActual	25843000
CY2012	us-gaap	Interest Paid InterestPaid	8246000
CY2012	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	204418000
CY2012	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-37332000
CY2012	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-66064000
CY2012	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	-397000
CY2012	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	1400000
CY2012	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-43171000
CY2012	us-gaap	Repayments Of Long Term Debt And Capital Securities RepaymentsOfLongTermDebtAndCapitalSecurities	5265000
CY2012	us-gaap	Stock Issued During Period Value Treasury Stock Reissued StockIssuedDuringPeriodValueTreasuryStockReissued	25526000
CY2012	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	22300000
CY2012	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	125144000
CY2012	us-gaap	Payments To Acquire Equity Method Investments PaymentsToAcquireEquityMethodInvestments	10740000
CY2012	us-gaap	Adjustments To Additional Paid In Capital Tax Effect From Share Based Compensation AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation	1510000
CY2012	us-gaap	Employee Service Share Based Compensation Tax Benefit Realized From Exercise Of Stock Options EmployeeServiceShareBasedCompensationTaxBenefitRealizedFromExerciseOfStockOptions	11800000
CY2012	us-gaap	Net Income Loss NetIncomeLoss	168723000
CY2012	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-73987000
CY2012	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-43579000
CY2012	us-gaap	Unrecognized Tax Benefits Increases Resulting From Acquisition UnrecognizedTaxBenefitsIncreasesResultingFromAcquisition	149700000
CY2012	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	81559000
CY2012	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	12200000
CY2012	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	1581123000
CY2012	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax	707000
CY2012	us-gaap	State And Local Income Tax Expense Benefit Continuing Operations StateAndLocalIncomeTaxExpenseBenefitContinuingOperations	1633000
CY2012	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	42446000
CY2012	us-gaap	Other Nonoperating Expense OtherNonoperatingExpense	5183000
CY2012	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-692747000
CY2012	us-gaap	Deferred Tax Expense From Stock Options Exercised DeferredTaxExpenseFromStockOptionsExercised	1510000
CY2012	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	5862000
CY2012	us-gaap	Marketable Securities Realized Gain Loss Other Than Temporary Impairments Amount MarketableSecuritiesRealizedGainLossOtherThanTemporaryImpairmentsAmount	1700000
CY2012	us-gaap	Share Based Compensation ShareBasedCompensation	81559000
CY2012	us-gaap	Loss On Sale Of Investments LossOnSaleOfInvestments	-1000000
CY2012	us-gaap	Depreciation And Amortization DepreciationAndAmortization	100825000
CY2012	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	72620000
CY2012	us-gaap	Income Tax Reconciliation Nondeductible Expense Share Based Compensation Cost IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost	14123000
CY2012	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	11000000
CY2012	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	6600000
CY2012	us-gaap	Foreign Income Tax Expense Benefit Continuing Operations ForeignIncomeTaxExpenseBenefitContinuingOperations	30057000
CY2012	us-gaap	Operating Expenses OperatingExpenses	846336000
CY2012	us-gaap	Amortization Of Debt Discount Premium AmortizationOfDebtDiscountPremium	27028000
CY2012	us-gaap	Increase Decrease In Accounts Payable Trade IncreaseDecreaseInAccountsPayableTrade	12145000
CY2012	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	400052000
CY2012	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	35695000
CY2012	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	-3387000
CY2012	us-gaap	Standard Product Warranty Accrual Payments StandardProductWarrantyAccrualPayments	58710000
CY2012	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax	-8549000
CY2012	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	738320000
CY2012	us-gaap	Increase Decrease In Deferred Revenue IncreaseDecreaseInDeferredRevenue	-9236000
CY2012	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	1300000
CY2012	us-gaap	Interest Expense InterestExpense	38962000
CY2012	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	-4895000
CY2012	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	1776000
CY2012	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	233000
CY2012	us-gaap	Proceeds From Collection Of Loans Receivable ProceedsFromCollectionOfLoansReceivable	8375000
CY2012	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	71546000
CY2012	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	2677000
CY2012	us-gaap	Federal Income Tax Expense Benefit Continuing Operations FederalIncomeTaxExpenseBenefitContinuingOperations	4005000
CY2012	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	1651000
CY2012	us-gaap	Impairment Of Investments ImpairmentOfInvestments	1724000
CY2012	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	2686000
CY2012	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0
CY2012	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	200000
CY2012	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	26900000
CY2012	us-gaap	Proceeds From Sale And Maturity Of Available For Sale Securities ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities	841440000
CY2012	us-gaap	Restructuring Charges RestructuringCharges	866000
CY2012	us-gaap	Depreciation Depreciation	74000000
CY2012	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	81600000
CY2012	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	-51425000
CY2012	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Expense UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense	25200000
CY2012	us-gaap	Proceeds From Sale Of Treasury Stock ProceedsFromSaleOfTreasuryStock	25525000
CY2012	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	269726000
CY2012	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	444559000
CY2012	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	849000
CY2012	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax	944000
CY2012	us-gaap	Impairment Of Long Lived Assets Held For Use ImpairmentOfLongLivedAssetsHeldForUse	0
CY2012	us-gaap	Increase Decrease In Accrued Liabilities And Other Operating Liabilities IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities	-119975000
CY2012	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	5800000
CY2012	lrcx	Adjustments To Additional Paid In Capital Equity Component Of Convertible Debt Acquired AdjustmentsToAdditionalPaidInCapitalEquityComponentOfConvertibleDebtAcquired	137783000
CY2012	lrcx	Allowance For Doubtful Accounts Receivable Recoveries Written Off AllowanceForDoubtfulAccountsReceivableRecoveriesWrittenOff	100000
CY2012	lrcx	Costs Included In Pro Forma Net Income CostsIncludedInProFormaNetIncome	122000000
CY2012	lrcx	Gain Or Loss On Assets Related To Deferred Compensation Plan GainOrLossOnAssetsRelatedToDeferredCompensationPlan	-914000
CY2012	lrcx	Adjustments To Additional Paid In Capital Resulting From Conversion Of Convertible Debt Into Equity AdjustmentsToAdditionalPaidInCapitalResultingFromConversionOfConvertibleDebtIntoEquity	-22000
CY2012	lrcx	Income Tax Reconciliation Acquisition Related Transaction Costs IncomeTaxReconciliationAcquisitionRelatedTransactionCosts	5683000
CY2012	lrcx	Operating Expense Restructurings And Impairment Charges OperatingExpenseRestructuringsAndImpairmentCharges	1725000
CY2012	lrcx	Net Cash Received In Settlement Of Paid In Advance For Stock Repurchase Contracts NetCashReceivedInSettlementOfPaidInAdvanceForStockRepurchaseContracts	55194000
CY2013	dei	Trading Symbol TradingSymbol	LRCX
CY2013	dei	Entity Registrant Name EntityRegistrantName	LAM RESEARCH CORP
CY2013	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2013	dei	Amendment Flag AmendmentFlag	false
CY2013	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2013	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2013
CY2013	dei	Document Type DocumentType	10-K
CY2013	dei	Document Period End Date DocumentPeriodEndDate	2013-06-30
CY2013	dei	Entity Central Index Key EntityCentralIndexKey	0000707549
CY2013	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2013	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--06-30
CY2013	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2013	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2013	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.67
CY2013	us-gaap	Nature Of Operations NatureOfOperations	<div> <p style="MARGIN-TOP: 12px; MARGIN-BOTTOM: 0px"><font style="FONT-FAMILY: Times New Roman" size="2"><b>Note 1: Company and Industry Information</b></font></p> <p style="MARGIN-TOP: 6px; TEXT-INDENT: 4%; MARGIN-BOTTOM: 0px"> <font style="FONT-FAMILY: Times New Roman" size="2">The Company designs, manufactures, markets, refurbishes and services semiconductor processing equipment used in the fabrication of integrated circuits. Semiconductor wafers are subjected to a complex series of process and preparation steps that result in the simultaneous creation of many individual integrated circuits. The Company leverages its expertise in the areas of etch, deposition, and single-wafer clean to develop processing solutions that typically benefit its customers through lower defect rates, enhanced yields, faster processing time, and reduced cost.</font></p> <p style="MARGIN-TOP: 12px; TEXT-INDENT: 4%; MARGIN-BOTTOM: 0px"> <font style="FONT-FAMILY: Times New Roman" size="2">The Company sells its products and services primarily to companies involved in the production of semiconductors in North America, Europe, Taiwan, Korea, Japan, and other countries in Asia Pacific.</font></p> <p style="MARGIN-TOP: 12px; TEXT-INDENT: 4%; MARGIN-BOTTOM: 0px"> <font style="FONT-FAMILY: Times New Roman" size="2">The semiconductor industry is cyclical in nature and has historically experienced periodic downturns and upturns. Today’s leading indicators of changes in customer investment patterns, such as electronics demand, memory pricing, and foundry utilization rates, may not be any more reliable than in prior years. Demand for the Company’s equipment can vary significantly from period to period as a result of various factors, including, but not limited to, economic conditions, supply, demand, and prices for semiconductors, customer capacity requirements, and the Company’s ability to develop and market competitive products. For these and other reasons, the Company’s results of operations for fiscal years 2013, 2012, and 2011 may not necessarily be indicative of future operating results.</font></p> </div>
CY2013	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P4Y5M23D
CY2013	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod	288867	shares
CY2013	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice	26.24
CY2013	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.66
CY2013	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	173430000	shares
CY2013	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeitures Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue	39.70
CY2013	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.35	pure
CY2013	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	42.59
CY2013	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	2558000	shares
CY2013	us-gaap	Defined Contribution Plan Employer Matching Contribution Percent DefinedContributionPlanEmployerMatchingContributionPercent	0.06	pure
CY2013	us-gaap	Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Upper Range Limit ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit	42.61
CY2013	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod	1754273	shares
CY2013	us-gaap	Incremental Common Shares Attributable To Conversion Of Debt Securities IncrementalCommonSharesAttributableToConversionOfDebtSecurities	1940000	shares
CY2013	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue	42.52
CY2013	us-gaap	Unrecognized Tax Benefits Period Increase Decrease UnrecognizedTaxBenefitsPeriodIncreaseDecrease	10700000
CY2013	us-gaap	Shares Paid For Tax Withholding For Share Based Compensation SharesPaidForTaxWithholdingForShareBasedCompensation	595000	shares
CY2013	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	719933000
CY2013	us-gaap	Fiscal Period FiscalPeriod	<div> <p style="margin-top:12px;margin-bottom:0px; text-indent:4%"> <font style="font-family:Times New Roman" size="2"><i>Fiscal Year:</i> The Company follows a 52/53-week fiscal reporting calendar, and its fiscal year ends on the last Sunday of June each year. The Company’s most recent fiscal year ended on June 30, 2013 and included 53 weeks. The fiscal years ended June 24, 2012 and June 26, 2011 included 52 weeks. The Company’s next fiscal year, ending on June 29, 2014 will include 52 weeks.</font></p> </div>
CY2013	us-gaap	Income Tax Holiday Income Tax Benefits Per Share IncomeTaxHolidayIncomeTaxBenefitsPerShare	0.06
CY2013	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	1546028	shares
CY2013	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	1	Segment
CY2013	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	73993	shares
CY2013	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	534000	shares
CY2013	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	25.47
CY2013	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	38.76
CY2013	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	168932000	shares
CY2013	us-gaap	Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Lower Range Limit ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit	9.44
CY2013	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeited In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod	299079	shares
CY2013	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod	2563670	shares
CY2013	us-gaap	Guarantees Indemnifications And Warranties Policies GuaranteesIndemnificationsAndWarrantiesPolicies	<div> <p style="margin-top:12px;margin-bottom:0px; text-indent:4%"> <font style="font-family:Times New Roman" size="2"><i>Guarantees:</i> The Company has certain operating leases that contain provisions whereby the properties subject to the operating leases may be remarketed at lease expiration. The Company has guaranteed to the lessor an amount approximating the lessor’s investment in the property. The Company has recorded a liability for certain guaranteed residual values related to these specific operating lease agreements. Also, the Company’s guarantees generally include certain indemnifications to its lessors under operating lease agreements for environmental matters, potential overdraft protection obligations to financial institutions related to one of the Company’s subsidiaries, indemnifications to the Company’s customers for certain infringement of third-party intellectual property rights by its products and services, and the Company’s warranty obligations under sales of its products.</font></p> </div>
CY2013	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-3844000
CY2013	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	160795000
CY2013	us-gaap	Increase Decrease In Restricted Cash IncreaseDecreaseInRestrictedCash	181000
CY2013	us-gaap	Standard Product Warranty Accrual Preexisting Increase Decrease StandardProductWarrantyAccrualPreexistingIncreaseDecrease	5594000
CY2013	us-gaap	Sales Revenue Net SalesRevenueNet	3598916000
CY2013	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	39380000
CY2013	us-gaap	Reclassifications Of Temporary To Permanent Equity ReclassificationsOfTemporaryToPermanentEquity	3423000
CY2013	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	-46392000
CY2013	us-gaap	Investment Income Interest InvestmentIncomeInterest	14737000
CY2013	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	7695000
CY2013	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	1097956000
CY2013	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax	-818000
CY2013	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	9916000
CY2013	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	113050000
CY2013	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-51413000
CY2013	us-gaap	Excess Tax Benefit From Share Based Compensation Operating Activities ExcessTaxBenefitFromShareBasedCompensationOperatingActivities	-539000
CY2013	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	10607000
CY2013	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	293000
CY2013	us-gaap	Interest Paid InterestPaid	26635000
CY2013	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	66658000
CY2013	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	5303000
CY2013	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-162634000
CY2013	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	-6808000
CY2013	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	11300000
CY2013	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-2880000
CY2013	us-gaap	Repayments Of Long Term Debt And Capital Securities RepaymentsOfLongTermDebtAndCapitalSecurities	2234000
CY2013	us-gaap	Stock Issued During Period Value Treasury Stock Reissued StockIssuedDuringPeriodValueTreasuryStockReissued	31265000
CY2013	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	35200000
CY2013	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	119004000
CY2013	us-gaap	Gross Profit GrossProfit	1403059000
CY2013	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-35388000
CY2013	us-gaap	Operating Income Loss OperatingIncomeLoss	118071000
CY2013	us-gaap	Income Tax Reconciliation Tax Credits IncomeTaxReconciliationTaxCredits	42593000
CY2013	us-gaap	Income Tax Holiday Aggregate Dollar Amount IncomeTaxHolidayAggregateDollarAmount	10800000
CY2013	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	-3505000
CY2013	us-gaap	Standard Product Warranty Accrual Warranties Issued StandardProductWarrantyAccrualWarrantiesIssued	74779000
CY2013	us-gaap	Gain On Sale Of Investments GainOnSaleOfInvestments	1600000
CY2013	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	8561000
CY2013	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	2026000
CY2013	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	955661000
CY2013	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax	3034000
CY2013	us-gaap	Adjustments To Additional Paid In Capital Tax Effect From Share Based Compensation AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation	-483000
CY2013	us-gaap	Employee Service Share Based Compensation Tax Benefit Realized From Exercise Of Stock Options EmployeeServiceShareBasedCompensationTaxBenefitRealizedFromExerciseOfStockOptions	21600000
CY2013	us-gaap	Net Income Loss NetIncomeLoss	113879000
CY2013	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-76351000
CY2013	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	5125000
CY2013	us-gaap	Unrecognized Tax Benefits Increases Resulting From Acquisition UnrecognizedTaxBenefitsIncreasesResultingFromAcquisition	8900000
CY2013	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	99310000
CY2013	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	17600000
CY2013	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	2195857000
CY2013	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	3436000
CY2013	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax	-598000
CY2013	us-gaap	State And Local Income Tax Expense Benefit Continuing Operations StateAndLocalIncomeTaxExpenseBenefitContinuingOperations	-3019000
CY2013	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-70155000
CY2013	us-gaap	Income Tax Reconciliation Other Reconciling Items IncomeTaxReconciliationOtherReconcilingItems	-5973000
CY2013	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	11300000
CY2013	us-gaap	Other Nonoperating Expense OtherNonoperatingExpense	8698000
CY2013	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-887790000
CY2013	us-gaap	Deferred Tax Expense From Stock Options Exercised DeferredTaxExpenseFromStockOptionsExercised	-483000
CY2013	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	11538000
CY2013	us-gaap	Marketable Securities Realized Gain Loss Other Than Temporary Impairments Amount MarketableSecuritiesRealizedGainLossOtherThanTemporaryImpairmentsAmount	3700000
CY2013	us-gaap	Share Based Compensation ShareBasedCompensation	99330000
CY2013	us-gaap	Loss On Sale Of Investments LossOnSaleOfInvestments	-1500000
CY2013	us-gaap	Depreciation And Amortization DepreciationAndAmortization	304116000
CY2013	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-402279000
CY2013	us-gaap	Income Tax Reconciliation Nondeductible Expense Share Based Compensation Cost IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost	20318000
CY2013	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	14000000
CY2013	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	22900000
CY2013	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	51400000
CY2013	us-gaap	Foreign Income Tax Expense Benefit Continuing Operations ForeignIncomeTaxExpenseBenefitContinuingOperations	17066000
CY2013	us-gaap	Operating Expenses OperatingExpenses	1284988000
CY2013	us-gaap	Amortization Of Debt Discount Premium AmortizationOfDebtDiscountPremium	31558000
CY2013	us-gaap	Increase Decrease In Accounts Payable Trade IncreaseDecreaseInAccountsPayableTrade	-58081000
CY2013	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	599487000
CY2013	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-47221000
CY2013	us-gaap	Interest Expense InterestExpense	60408000
CY2013	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	-13588000
CY2013	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	39379000
CY2013	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	4215000
CY2013	us-gaap	Standard Product Warranty Accrual Payments StandardProductWarrantyAccrualPayments	92456000
CY2013	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax	7573000
CY2013	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	934808000
CY2013	us-gaap	Increase Decrease In Deferred Revenue IncreaseDecreaseInDeferredRevenue	60205000
CY2013	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax	-1312000
CY2013	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	25400000
CY2013	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	1428000
CY2013	us-gaap	Proceeds From Collection Of Loans Receivable ProceedsFromCollectionOfLoansReceivable	-10000000
CY2013	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	23332000
CY2013	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	660000
CY2013	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesTax	-494000
CY2013	us-gaap	Federal Income Tax Expense Benefit Continuing Operations FederalIncomeTaxExpenseBenefitContinuingOperations	-61268000
CY2013	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	-506000
CY2013	us-gaap	Impairment Of Investments ImpairmentOfInvestments	3711000
CY2013	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	-539000
CY2013	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0
CY2013	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	3400000
CY2013	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	177600000
CY2013	us-gaap	Proceeds From Sale And Maturity Of Available For Sale Securities ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities	1039551000
CY2013	us-gaap	Restructuring Charges RestructuringCharges	1813000
CY2013	us-gaap	Depreciation Depreciation	126500000
CY2013	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	99300000
CY2013	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	-40255000
CY2013	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Expense UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense	25500000
CY2013	us-gaap	Proceeds From Sale Of Treasury Stock ProceedsFromSaleOfTreasuryStock	31265000
CY2013	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-238637000
CY2013	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	683688000
CY2013	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	-4137000
CY2013	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax	586000
CY2013	us-gaap	Impairment Of Long Lived Assets Held For Use ImpairmentOfLongLivedAssetsHeldForUse	0
CY2013	us-gaap	Increase Decrease In Accrued Liabilities And Other Operating Liabilities IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities	-43752000
CY2013	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	8700000
CY2013	lrcx	Lease Expiration Month And Year LeaseExpirationMonthAndYear	2015-01
CY2013	lrcx	Share Based Compensation Arrangement By Share Based Payment Award Options And Restricted Stock Units Vesting Period Maximum ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAndRestrictedStockUnitsVestingPeriodMaximum	3	Y
CY2013	lrcx	Stock Price Percentage Of Conversion Price StockPricePercentageOfConversionPrice	1.30	pure
CY2013	lrcx	Maximum Percentage Of Aggregate Investment Value Guaranteed MaximumPercentageOfAggregateInvestmentValueGuaranteed	1.00	pure
CY2013	lrcx	Operating Lease Residual Value Guarantee OperatingLeaseResidualValueGuarantee	141700000
CY2013	lrcx	Gain Or Loss On Assets Related To Deferred Compensation Plan GainOrLossOnAssetsRelatedToDeferredCompensationPlan	9764000
CY2013	lrcx	Operating Lease Term Period OperatingLeaseTermPeriod	7	Y
CY2013	lrcx	Operating Lease Purchase Option Notification Period OperatingLeasePurchaseOptionNotificationPeriod	30	D
CY2013	lrcx	Period Of Time That Common Stock Sale Price For Preceding Quarter Exceeds Conversion Price PeriodOfTimeThatCommonStockSalePriceForPrecedingQuarterExceedsConversionPrice	20	D
CY2013	lrcx	Maximum Usage Assessment Period For Inventory Write Down MaximumUsageAssessmentPeriodForInventoryWriteDown	P36M
CY2013	lrcx	Minimum Usage Assessment Period For Inventory Write Down MinimumUsageAssessmentPeriodForInventoryWriteDown	P12M
CY2013	lrcx	Number Of Consecutive Trading Days Period Required NumberOfConsecutiveTradingDaysPeriodRequired	30	D
CY2013	lrcx	Operating Expense Restructurings And Impairment Charges OperatingExpenseRestructuringsAndImpairmentCharges	1813000
CY2013	lrcx	Defined Contribution Plan Employer Matching Percentage DefinedContributionPlanEmployerMatchingPercentage	0.50	pure
CY2013	lrcx	Deferred Compensation Arrangement Maximum Distribution Period DeferredCompensationArrangementMaximumDistributionPeriod	P20Y
CY2012Q2	us-gaap	Noncash Or Part Noncash Acquisition Noncash Financial Or Equity Instrument Consideration Shares Issued1 NoncashOrPartNoncashAcquisitionNoncashFinancialOrEquityInstrumentConsiderationSharesIssued1	82689000	shares
CY2012Q3	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	11970000	shares
CY2012Q3	us-gaap	Treasury Stock Acquired Average Cost Per Share TreasuryStockAcquiredAverageCostPerShare	34.79
CY2012Q3	us-gaap	Stock Repurchase Program Remaining Authorized Repurchase Amount StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount	567932000
CY2012Q3	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	344001000
CY2012Q4	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	10190000	shares
CY2012Q4	us-gaap	Treasury Stock Acquired Average Cost Per Share TreasuryStockAcquiredAverageCostPerShare	34.74
CY2012Q4	us-gaap	Stock Repurchase Program Remaining Authorized Repurchase Amount StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount	213903000
CY2012Q4	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	354029000
CY2013Q2	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	90000	shares
CY2013Q2	us-gaap	Stock Repurchase Program Remaining Authorized Repurchase Amount StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount	250000000
	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	5312000	shares
	us-gaap	Treasury Stock Acquired Average Cost Per Share TreasuryStockAcquiredAverageCostPerShare	37.73
	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	213903000

Files In Submission

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$LRCX
LAM RESEARCH CORP Stock $lrcx

2013 Form 10-K Financial Statement

#000119312513348269 Filed on August 27, 2013

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$LRCX LAM RESEARCH CORP Stock $lrcx

2013 Form 10-K Financial Statement

#000119312513348269 Filed on August 27, 2013

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$LRCX
LAM RESEARCH CORP Stock $lrcx