XML 78 R67.htm IDEA: XBRL DOCUMENT
v3.8.0.1

COMMITMENTS AND CONTINGENCIES - Additional Information (Details) - USD ($) | 9 Months Ended |
--- | --- | ---
Mar. 25, 2018 | Jun. 25, 2017 | [1]
Loss Contingencies [Line Items] |  |
Restricted cash and investments | $ 256,587,000 | $ 256,205,000
Letters of Credit |  |
Loss Contingencies [Line Items] |  |
Guarantee obligation maximum exposure | 21,600,000 |
Operating Leases |  |
Loss Contingencies [Line Items] |  |
Operating lease residual value of guarantee, maximum | $ 220,400,000 |
Maximum percentage of aggregate investment value guaranteed | 100.00% |
Guarantee obligation maximum exposure | $ 250,000,000.0 |
Operating Lease Cash Collateral |  |
Loss Contingencies [Line Items] |  |
Restricted cash and investments | $ 250,000,000 |
[1] | Derived from audited financial statements

X
- Definition Percentage of aggregate investment in leased property guaranteed under certain default circumstances. + References No definition available. + Details
Name: | lrcx_MaximumPercentageOfAggregateInvestmentValueGuaranteed
Namespace Prefix: | lrcx_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The aggregate value guarantee that the company made under the referenced lease agreement. + References No definition available. + Details
Name: | lrcx_OperatingLeaseResidualValueGuarantee
Namespace Prefix: | lrcx_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=82913245&loc=d3e12069-110248 + Details
Name: | us-gaap_GuaranteeObligationsMaximumExposure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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_LossContingenciesLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The noncurrent cash, cash equivalents and investments that is restricted as to withdrawal or usage. Restrictions may include legally restricted deposits held as compensating balances against borrowing arrangements, contracts entered into with others, or entity statements of intention with regard to particular deposits classified as long-term; that is not expected to be released from such existing restrictions within one year of the balance sheet date or operating cycle, whichever is longer. Excludes compensating balance arrangements that are not agreements which legally restrict the use of cash amounts shown on the balance sheet. Includes noncurrent cash equivalents and investments that are similarly restricted as to withdrawal, usage or disposal. + References No definition available. + Details
Name: | us-gaap_RestrictedCashAndInvestmentsNoncurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_LossContingenciesByNatureOfContingencyAxis=us-gaap_StandbyLettersOfCreditMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RecordedUnconditionalPurchaseObligationByCategoryOfItemPurchasedAxis=lrcx_FremontAndLivermoreLeaseMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_OtherCommitmentsAxis=lrcx_OperatingLeaseCashCollateralMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |