XML 80 R69.htm IDEA: XBRL DOCUMENT
v3.8.0.1

STOCK REPURCHASE PROGRAM - Additional Information (Details) |  |  |  |  | 1 Months Ended | 3 Months Ended | 9 Months Ended
--- | --- | --- | --- | --- | --- | --- | ---
Feb. 02, 2018 $ / shares shares | Nov. 20, 2017 USD ($) financial_institution agreement shares | Jun. 30, 2017 $ / shares shares | Apr. 19, 2017 USD ($) financial_institution agreement shares | Mar. 25, 2018 USD ($) | Nov. 30, 2017 USD ($) | Mar. 25, 2018 USD ($) shares | Dec. 24, 2017 shares | Sep. 24, 2017 shares | Mar. 25, 2018 USD ($) shares
Equity [Abstract] |  |  |  |  |  |  |  |  |  |
Board authorized increase |  |  |  |  | $ 2,000,000,000 | $ 2,000,000,000.0 |  |  |  |
Authorized repurchase of Company common stock (up to) |  |  |  |  | $ 4,000,000,000 |  | $ 4,000,000,000 |  |  | $ 4,000,000,000
Net shares of settlements to cover tax withholding obligations (shares) | shares |  |  |  |  |  |  | 451,000 |  |  | 560,000
Amount paid for shares under net share settlements |  |  |  |  |  |  | $ 81,200,000 |  |  | $ 101,400,000
Equity, Class of Treasury Stock [Line Items] |  |  |  |  |  |  |  |  |  |
Number of shares repurchased (shares) | shares |  |  |  |  |  |  | 1,019,000 | 3,709,000 | 1,779,000 |
November 2017 ASR |  |  |  |  |  |  |  |  |  |
Equity, Class of Treasury Stock [Line Items] |  |  |  |  |  |  |  |  |  |
Number of accelerated share repurchase agreements | agreement |  | 4 |  |  |  |  |  |  |  |
Number of financial institutions | financial_institution |  | 2 |  |  |  |  |  |  |  |
Total repurchase amount |  | $ 1,000,000,000 |  |  |  |  |  |  |  |
Number of shares repurchased (shares) | shares | 1,019,000 | 3,254,300 |  |  |  |  |  |  |  |
Percent of prepayment divided by closing stock price |  | 70.00% |  |  |  |  |  |  |  |
Weighted-average share price (usd per share) | $ / shares | $ 189.03 |  |  |  |  |  |  |  |  |
April 2017 ASR |  |  |  |  |  |  |  |  |  |
Equity, Class of Treasury Stock [Line Items] |  |  |  |  |  |  |  |  |  |
Number of accelerated share repurchase agreements | agreement |  |  |  | 2 |  |  |  |  |  |
Number of financial institutions | financial_institution |  |  |  | 2 |  |  |  |  |  |
Total repurchase amount |  |  |  | $ 500,000,000 |  |  |  |  |  |
Number of shares repurchased (shares) | shares |  |  | 780,000 | 2,570,000 |  |  |  |  |  |
Percent of prepayment divided by closing stock price |  |  |  | 70.00% |  |  |  |  |  |
Weighted-average share price (usd per share) | $ / shares |  |  | $ 149.16 |  |  |  |  |  |  |

X
- Definition Accelerated Share Repurchases, Number Of Agreements + References No definition available. + Details
Name: | lrcx_AcceleratedShareRepurchasesNumberOfAgreements
Namespace Prefix: | lrcx_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Accelerated Share Repurchases, Number Of Financial Institutions + References No definition available. + Details
Name: | lrcx_AcceleratedShareRepurchasesNumberOfFinancialInstitutions
Namespace Prefix: | lrcx_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Accelerated Share Repurchases, Ratio Of Prepayment Amount To Closing Stock Price + References No definition available. + Details
Name: | lrcx_AcceleratedShareRepurchasesRatioOfPrepaymentAmountToClosingStockPrice
Namespace Prefix: | lrcx_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Stock Repurchase Program, Increase In Authorized Amount + References No definition available. + Details
Name: | lrcx_StockRepurchaseProgramIncreaseInAuthorizedAmount
Namespace Prefix: | lrcx_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Final price paid per share for the purchase of the targeted number of shares, determined by an average market price over a fixed period of time. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 25 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6405686&loc=d3e22802-112653 + Details
Name: | us-gaap_AcceleratedShareRepurchasesFinalPricePaidPerShare
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of cash receipt from (payment to) bank; or stock received from (issuance to) bank in the settlement of the accelerated share repurchase agreement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 25 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6405686&loc=d3e22802-112653 + Details
Name: | us-gaap_AcceleratedShareRepurchasesSettlementPaymentOrReceipt
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The amount of adjustment to stockholders' equity associated with an employee's income tax withholding obligation as part of a net-share settlement of a share-based award. + References No definition available. + Details
Name: | us-gaap_AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_EquityAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_EquityClassOfTreasuryStockLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition For net-share settlement of share-based awards when the employer settles employees' income tax withholding obligations, this element represents the number of shares the employees use to repay the employer. + References No definition available. + Details
Name: | us-gaap_SharesPaidForTaxWithholdingForShareBasedCompensation
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of stock repurchase plan authorized. + References No definition available. + Details
Name: | us-gaap_StockRepurchaseProgramAuthorizedAmount1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Number of shares that have been repurchased during the period and are being held in treasury. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=84159872&loc=d3e21463-112644 + Details
Name: | us-gaap_TreasuryStockSharesAcquired
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_ShareRepurchaseProgramAxis=lrcx_November2017AcceleratedShareRepurchaseAgreementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ShareRepurchaseProgramAxis=lrcx_April2017AcceleratedShareRepurchaseAgreementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |