XML 126 R112.htm IDEA: XBRL DOCUMENT
v3.20.2

DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES - Additional Information (Details) - USD ($) | 1 Months Ended | 3 Months Ended | 6 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | --- | --- | ---
Oct. 31, 2014 | Mar. 31, 2020 | Jun. 30, 2019 | Dec. 31, 2014 | Dec. 31, 2014 | Jun. 30, 2020 | Jun. 30, 2019 | Jun. 30, 2018 | Mar. 31, 2019 | Nov. 30, 2014
Derivative |  |  |  |  |  |  |  |  |  |
Net unrealized gains (losses) arising during the period |  |  |  |  |  | $ (16,739,000) | $ (9,119,000) | $ (1,934,000) |  |
Reclassification adjustments for net gains or losses included in net income |  |  |  |  |  | 2,072,000 | 4,018,000 | 3,846,000 |  |
Unamortized portion of the fair value of derivative contracts |  |  |  |  |  | 21,300,000 |  |  |  |
Senior notes |  |  |  |  |  |  |  |  |  |
Derivative |  |  |  |  |  |  |  |  |  |
Debt instrument, face amount |  |  |  |  |  |  |  |  | $ 1,200,000,000 | $ 2,500,000,000
Portion of Senior notes |  |  |  |  |  |  |  |  |  |
Derivative |  |  |  |  |  |  |  |  |  |
Unamortized portion of the fair value of derivative contracts |  |  |  |  |  | $ 3,300,000 |  |  |  |
Senior notes due November 1, 2024 | Senior notes |  |  |  |  |  |  |  |  |  |
Derivative |  |  |  |  |  |  |  |  |  |
Debt instrument, face amount | $ 1,250,000,000 |  |  |  |  |  |  |  |  |
Stated interest rate | 4.65% |  |  |  |  | 4.65% |  |  |  |
Treasury Lock | Portion of Senior notes | Interest expense |  |  |  |  |  |  |  |  |  |
Derivative |  |  |  |  |  |  |  |  |  |
Reclassification adjustments for net gains or losses included in net income |  |  |  |  |  | $ 800,000 | 800,000 | 800,000 |  |
2018 Rate Lock Agreements |  |  |  |  |  |  |  |  |  |
Derivative |  |  |  |  |  |  |  |  |  |
Reclassification adjustments for net gains or losses included in net income |  |  |  |  |  | 1,200,000 | $ 300,000 |  |  |
Unamortized portion of the fair value of derivative contracts |  |  |  |  |  | $ 12,100,000 |  |  |  |
Derivatives designated as hedging instruments | Cash flow hedge contracts- foreign currency | Treasury Lock |  |  |  |  |  |  |  |  |  |
Derivative |  |  |  |  |  |  |  |  |  |
Derivative, notional amount | $ 1,000,000,000.00 |  |  |  |  |  |  | $ 500,000,000.0 |  |
Derivatives designated as hedging instruments | Cash flow hedge contracts- foreign currency | Treasury Lock | Maximum |  |  |  |  |  |  |  |  |  |
Derivative |  |  |  |  |  |  |  |  |  |
Term of contract |  |  |  |  |  | 18 months |  |  |  |
Derivatives designated as hedging instruments | Senior notes | Cash flow hedge contracts- foreign currency | Treasury Lock |  |  |  |  |  |  |  |  |  |
Derivative |  |  |  |  |  |  |  |  |  |
Term of contract | 10 years |  |  |  |  |  |  |  |  |
Derivatives designated as hedging instruments | Senior notes | Cash flow hedge contracts- foreign currency | Treasury Lock | Portion of Senior notes |  |  |  |  |  |  |  |  |  |
Derivative |  |  |  |  |  |  |  |  |  |
Net unrealized gains (losses) arising during the period |  |  |  |  | $ 7,500,000 |  |  |  |  |
Reclassification adjustments for net gains or losses included in net income |  |  |  | $ 1,000,000,000.00 |  |  |  |  |  |
Derivatives designated as hedging instruments | Senior notes | Cash flow hedge contracts- foreign currency | Treasury Lock | 2020 Rate Lock Agreements |  |  |  |  |  |  |  |  |  |
Derivative |  |  |  |  |  |  |  |  |  |
Derivative, notional amount |  |  |  |  |  | $ 350,000,000.0 |  |  |  |
Net unrealized gains (losses) arising during the period |  | $ 21,500,000 |  |  |  |  |  |  |  |
Reclassification adjustments for net gains or losses included in net income |  |  |  |  |  | $ 200,000 |  |  |  |
Derivatives designated as hedging instruments | Senior notes | Cash flow hedge contracts- foreign currency | Treasury Lock | 2018 Rate Lock Agreements |  |  |  |  |  |  |  |  |  |
Derivative |  |  |  |  |  |  |  |  |  |
Net unrealized gains (losses) arising during the period |  |  | $ 13,600,000 |  |  |  |  |  |  |
Reclassification adjustments for net gains or losses included in net income |  | $ 500,000,000.0 |  |  |  |  |  |  |  |

X
- Definition Face (par) amount of debt instrument at time of issuance. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=119993939&loc=d3e28551-108399 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400 + Details
Name: | us-gaap_DebtInstrumentFaceAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
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_DerivativeLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Nominal or face amount used to calculate payment on derivative. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1B -URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5580258-113959 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5579245-113959 + Details
Name: | us-gaap_DerivativeNotionalAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | instant

X
- Definition Period the derivative contract is outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
Name: | us-gaap_DerivativeTermOfContract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Fair value as of the balance sheet date of all interest rate derivative assets designated as cash flow hedging instruments. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5624163-113959 + Details
Name: | us-gaap_InterestRateCashFlowHedgeAssetAtFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount, before tax and reclassification, of gain (loss) from derivative instrument designated and qualifying cash flow hedge included in assessment of hedge effectiveness. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 20 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=121577181&loc=SL110061190-113977 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5618551-113959 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5624171-113959 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=121641772&loc=d3e637-108580 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 10A -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=121641772&loc=SL7669646-108580 + Details
Name: | us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount, before tax, of reclassification of gain (loss) from accumulated other comprehensive income (AOCI) for derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=121641772&loc=d3e689-108580 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=121641772&loc=d3e637-108580 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5624171-113959 + Details
Name: | us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=us-gaap_SeniorNotesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=klac_PortionofSeniorNotesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=klac_SeniorNotesDueNovember12024Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=us-gaap_InterestExpenseMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=klac_InterestRateContract2018RateLockAgreementsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_HedgingDesignationAxis=us-gaap_DesignatedAsHedgingInstrumentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis=us-gaap_CashFlowHedgingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_UnderlyingAssetClassAxis=us-gaap_SeniorNotesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=klac_A2020RateLockAgreementsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=klac_InterestRateContract2018RateLockAgreementsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |