10-K Filing

KLA CORP CIK: 319201 FY 2021

Filing Information

Form Type	10-K
Accession Number	`0000319201-21-000029`
Period End Date	20210630
Filing Date	20210806
Fiscal Year	2021
Fiscal Period	FY
XBRL Instance	klac-20210630_htm.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 84 Income Statement 83 Cash Flow Statement 161 Stockholders Equity 48 Comprehensive Income 48

Balance Sheet 84 line items

Line Item	Tag	Value	Unit	Period
Preferred stock, par value per share (in dollars per share)	`PreferredStockParOrStatedValuePerShare`	$0.00	USD	Point-in-time
Preferred stock, par value per share (in dollars per share)	`PreferredStockParOrStatedValuePerShare`	$0.00	USD	Point-in-time
Preferred stock, shares authorized (in shares)	`PreferredStockSharesAuthorized`	1.00M	shares	Point-in-time
Preferred stock, shares authorized (in shares)	`PreferredStockSharesAuthorized`	1.00M	shares	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$1.43B	USD	Point-in-time
Preferred stock, shares outstanding (in shares)	`PreferredStockSharesOutstanding`	0.00	shares	Point-in-time
Preferred stock, shares outstanding (in shares)	`PreferredStockSharesOutstanding`	0.00	shares	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$1.23B	USD	Point-in-time
Common stock, par value per share (in dollars per share)	`CommonStockParOrStatedValuePerShare`	$0.00	USD	Point-in-time
Marketable securities	`DebtSecuritiesAvailableForSaleAndEquitySecuritiesFairValue`	$1.06B	USD	Point-in-time
Marketable securities	`DebtSecuritiesAvailableForSaleAndEquitySecuritiesFairValue`	$746.06M	USD	Point-in-time
Common stock, par value per share (in dollars per share)	`CommonStockParOrStatedValuePerShare`	$0.00	USD	Point-in-time
Accounts receivable, net	`AccountsReceivableNetCurrent`	$1.11B	USD	Point-in-time
Accounts receivable, net	`AccountsReceivableNetCurrent`	$1.31B	USD	Point-in-time
Common stock, shares authorized (in shares)	`CommonStockSharesAuthorized`	500.00M	shares	Point-in-time
Common stock, shares authorized (in shares)	`CommonStockSharesAuthorized`	500.00M	shares	Point-in-time
Accounts receivable, net	`AccountsReceivableNetCurrent`	$990.11M	USD	Point-in-time
Inventories	`InventoryNet`	$1.58B	USD	Point-in-time
Common stock, shares, issued (in shares)	`CommonStockSharesIssued`	277.53M	shares	Point-in-time
Inventories	`InventoryNet`	$1.31B	USD	Point-in-time
Common stock, shares, issued (in shares)	`CommonStockSharesIssued`	278.44M	shares	Point-in-time
Common stock, shares, outstanding (in shares)	`CommonStockSharesOutstanding`	155.46M	shares	Point-in-time
Other current assets	`OtherAssetsCurrent`	$320.87M	USD	Point-in-time
Other current assets	`OtherAssetsCurrent`	$324.68M	USD	Point-in-time
Common stock, shares, outstanding (in shares)	`CommonStockSharesOutstanding`	152.78M	shares	Point-in-time
Total current assets	`AssetsCurrent`	$4.72B	USD	Point-in-time
Total current assets	`AssetsCurrent`	$5.70B	USD	Point-in-time
Land, property and equipment, net	`PropertyPlantAndEquipmentNet`	$663.03M	USD	Point-in-time
Land, property and equipment, net	`PropertyPlantAndEquipmentNet`	$519.82M	USD	Point-in-time
Goodwill	`Goodwill`	$2.21B	USD	Point-in-time
Goodwill	`Goodwill`	$2.05B	USD	Point-in-time
Goodwill	`Goodwill`	$2.01B	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxAssetsNet`	$236.80M	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxAssetsNet`	$270.46M	USD	Point-in-time
Purchased intangible assets, net	`IntangibleAssetsNetExcludingGoodwill`	$1.19B	USD	Point-in-time
Purchased intangible assets, net	`IntangibleAssetsNetExcludingGoodwill`	$1.39B	USD	Point-in-time
Other non-current assets	`OtherAssetsNoncurrent`	$444.90M	USD	Point-in-time
Other non-current assets	`OtherAssetsNoncurrent`	$362.98M	USD	Point-in-time
Total assets	`Assets`	$10.27B	USD	Point-in-time
Total assets	`Assets`	$9.28B	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$264.28M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$342.08M	USD	Point-in-time
Deferred system revenue	`ContractWithCustomerLiabilityCurrentSystemRevenue`	$336.24M	USD	Point-in-time
Deferred system revenue	`ContractWithCustomerLiabilityCurrentSystemRevenue`	$295.19M	USD	Point-in-time
Deferred service revenue	`ContractWithCustomerLiabilityCurrentServiceRevenue`	$233.49M	USD	Point-in-time
Deferred service revenue	`ContractWithCustomerLiabilityCurrentServiceRevenue`	$284.94M	USD	Point-in-time
Short-term debt	`ShortTermBorrowings`	-	USD	Point-in-time
Short-term debt	`ShortTermBorrowings`	$20.00M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$1.16B	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$865.78M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$2.10B	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$1.70B	USD	Point-in-time
Long-term debt	`LongTermDebt`	$3.42B	USD	Point-in-time
Long-term debt	`LongTermDebt`	$3.47B	USD	Point-in-time
Deferred tax liabilities	`DeferredIncomeTaxLiabilitiesNet`	$660.88M	USD	Point-in-time
Deferred tax liabilities	`DeferredIncomeTaxLiabilitiesNet`	$650.62M	USD	Point-in-time
Deferred service revenue	`ContractWithCustomerLiabilityNoncurrent`	$96.33M	USD	Point-in-time
Deferred service revenue	`ContractWithCustomerLiabilityNoncurrent`	$87.58M	USD	Point-in-time
Other non-current liabilities	`OtherLiabilitiesNoncurrent`	$631.29M	USD	Point-in-time
Other non-current liabilities	`OtherLiabilitiesNoncurrent`	$672.28M	USD	Point-in-time
Total liabilities	`Liabilities`	$6.60B	USD	Point-in-time
Total liabilities	`Liabilities`	$6.90B	USD	Point-in-time
Commitments and contingencies (Notes 9, 15 and 16)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Commitments and contingencies (Notes 9, 15 and 16)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Preferred stock, $0.001 par value, 1,000 shares authorized, none outstanding	`PreferredStockValue`	-	USD	Point-in-time
Preferred stock, $0.001 par value, 1,000 shares authorized, none outstanding	`PreferredStockValue`	-	USD	Point-in-time
Common stock, $0.001 par value, 500,000 shares authorized, 278,435 and 277,526 shares issued, 152,776 and 155,461 shares outstanding, as of June 30, 2021 and June 30, 2020, respectively	`CommonStockValue`	$153.00K	USD	Point-in-time
Common stock, $0.001 par value, 500,000 shares authorized, 278,435 and 277,526 shares issued, 152,776 and 155,461 shares outstanding, as of June 30, 2021 and June 30, 2020, respectively	`CommonStockValue`	$155.00K	USD	Point-in-time
Capital in excess of par value	`AdditionalPaidInCapitalCommonStock`	$2.09B	USD	Point-in-time
Capital in excess of par value	`AdditionalPaidInCapitalCommonStock`	$2.18B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$1.28B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$654.93M	USD	Point-in-time
Accumulated other comprehensive income (loss)	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-75.56M	USD	Point-in-time
Accumulated other comprehensive income (loss)	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-79.77M	USD	Point-in-time
Total KLA stockholders equity	`StockholdersEquity`	$2.67B	USD	Point-in-time
Total KLA stockholders equity	`StockholdersEquity`	$3.38B	USD	Point-in-time
Non-controlling interest in consolidated subsidiaries	`MinorityInterest`	$-1.91M	USD	Point-in-time
Non-controlling interest in consolidated subsidiaries	`MinorityInterest`	$15.59M	USD	Point-in-time
Total stockholders equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$2.68B	USD	Point-in-time
Total stockholders equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.62B	USD	Point-in-time
Total stockholders equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.38B	USD	Point-in-time
Total stockholders equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$2.68B	USD	Point-in-time
Total liabilities and stockholders equity	`LiabilitiesAndStockholdersEquity`	$10.27B	USD	Point-in-time
Total liabilities and stockholders equity	`LiabilitiesAndStockholdersEquity`	$9.28B	USD	Point-in-time

Income Statement 83 line items

Line Item	Tag	Value	Unit	Period
Revenues	`RevenueFromContractWithCustomerExcludingAssessedTax`	$1.80B	USD	1 Quarter
Revenues	`RevenueFromContractWithCustomerExcludingAssessedTax`	$5.81B	USD	Annual
Revenues	`RevenueFromContractWithCustomerExcludingAssessedTax`	$1.51B	USD	1 Quarter
Revenues	`RevenueFromContractWithCustomerExcludingAssessedTax`	$4.57B	USD	Annual
Revenues	`RevenueFromContractWithCustomerExcludingAssessedTax`	$1.93B	USD	1 Quarter
Revenues	`RevenueFromContractWithCustomerExcludingAssessedTax`	$1.41B	USD	1 Quarter
Revenues	`RevenueFromContractWithCustomerExcludingAssessedTax`	$1.46B	USD	1 Quarter
Revenues	`RevenueFromContractWithCustomerExcludingAssessedTax`	$1.54B	USD	1 Quarter
Revenues	`RevenueFromContractWithCustomerExcludingAssessedTax`	$1.42B	USD	1 Quarter
Revenues	`RevenueFromContractWithCustomerExcludingAssessedTax`	$1.65B	USD	1 Quarter
Revenues	`RevenueFromContractWithCustomerExcludingAssessedTax`	$6.92B	USD	Annual
Costs of revenues	`CostOfRevenue`	$2.45B	USD	Annual
Costs of revenues	`CostOfRevenue`	$1.87B	USD	Annual
Costs of revenues	`CostOfRevenue`	$2.77B	USD	Annual
Research and development	`ResearchAndDevelopmentExpense`	$863.86M	USD	Annual
Research and development	`ResearchAndDevelopmentExpense`	$928.49M	USD	Annual
Research and development	`ResearchAndDevelopmentExpense`	$711.03M	USD	Annual
Selling, general and administrative	`SellingGeneralAndAdministrativeExpense`	$734.15M	USD	Annual
Selling, general and administrative	`SellingGeneralAndAdministrativeExpense`	$729.60M	USD	Annual
Selling, general and administrative	`SellingGeneralAndAdministrativeExpense`	$599.12M	USD	Annual
Goodwill impairment	`GoodwillImpairmentLoss`	-	USD	Annual
Goodwill impairment	`GoodwillImpairmentLoss`	$256.65M	USD	Annual
Goodwill impairment	`GoodwillImpairmentLoss`	-	USD	Annual
Interest expense	`InterestExpense`	$124.60M	USD	Annual
Interest expense	`InterestExpense`	$157.33M	USD	Annual
Interest expense	`InterestExpense`	$160.27M	USD	Annual
Loss on extinguishment of debt	`GainsLossesOnExtinguishmentOfDebt`	-	USD	Annual
Loss on extinguishment of debt	`GainsLossesOnExtinguishmentOfDebt`	-	USD	Annual
Loss on extinguishment of debt	`GainsLossesOnExtinguishmentOfDebt`	$-22.54M	USD	Annual
Other expense (income), net	`OtherNonoperatingIncomeExpense`	$29.30M	USD	Annual
Other expense (income), net	`OtherNonoperatingIncomeExpense`	$-2.68M	USD	Annual
Other expense (income), net	`OtherNonoperatingIncomeExpense`	$31.46M	USD	Annual
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments`	$1.32B	USD	Annual
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments`	$2.36B	USD	Annual
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments`	$1.30B	USD	Annual
Provision for income taxes	`IncomeTaxExpenseBenefit`	$101.69M	USD	Annual
Provision for income taxes	`IncomeTaxExpenseBenefit`	$283.10M	USD	Annual
Provision for income taxes	`IncomeTaxExpenseBenefit`	$121.21M	USD	Annual
Net income	`ProfitLoss`	$2.08B	USD	Annual
Net income	`ProfitLoss`	$1.18B	USD	Annual
Net income	`ProfitLoss`	$1.22B	USD	Annual
Less: Net loss attributable to non-controlling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$-600.00K	USD	Annual
Less: Net loss attributable to non-controlling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$-939.00K	USD	Annual
Less: Net loss attributable to non-controlling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$-1.76M	USD	Annual
Net income attributable to KLA	`NetIncomeLoss`	$78.45M	USD	1 Quarter
Net income attributable to KLA	`NetIncomeLoss`	$420.57M	USD	1 Quarter
Net income attributable to KLA	`NetIncomeLoss`	$1.18B	USD	Annual
Net income attributable to KLA	`NetIncomeLoss`	$346.52M	USD	1 Quarter
Net income attributable to KLA	`NetIncomeLoss`	$1.22B	USD	Annual
Net income attributable to KLA	`NetIncomeLoss`	$2.08B	USD	Annual
Net income attributable to KLA	`NetIncomeLoss`	$457.25M	USD	1 Quarter
Net income attributable to KLA	`NetIncomeLoss`	$380.56M	USD	1 Quarter
Net income attributable to KLA	`NetIncomeLoss`	$632.98M	USD	1 Quarter
Net income attributable to KLA	`NetIncomeLoss`	$567.50M	USD	1 Quarter
Net income attributable to KLA	`NetIncomeLoss`	$411.25M	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$3.69	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$0.50	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$2.42	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$2.65	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$2.71	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$2.18	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$7.76	USD	Annual
Basic (in dollars per share)	`EarningsPerShareBasic`	$4.14	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$2.96	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$13.49	USD	Annual
Basic (in dollars per share)	`EarningsPerShareBasic`	$7.53	USD	Annual
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$2.69	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$3.66	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$2.40	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$0.50	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$4.10	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$2.63	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$7.49	USD	Annual
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$7.70	USD	Annual
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$13.37	USD	Annual
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$2.94	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$2.16	USD	1 Quarter
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	154.09M	shares	Annual
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	156.05M	shares	Annual
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	156.80M	shares	Annual
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	155.44M	shares	Annual
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	156.95M	shares	Annual
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	158.00M	shares	Annual

Cash Flow Statement 161 line items

Line Item	Tag	Value	Unit	Period
Net income	`ProfitLoss`	$2.08B	USD	Annual
Net income	`ProfitLoss`	$1.18B	USD	Annual
Net income	`ProfitLoss`	$1.22B	USD	Annual
Goodwill impairment	`GoodwillImpairmentLoss`	-	USD	Annual
Goodwill impairment	`GoodwillImpairmentLoss`	$256.65M	USD	Annual
Goodwill impairment	`GoodwillImpairmentLoss`	-	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$233.22M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$333.33M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$348.05M	USD	Annual
Loss on extinguishment of debt	`GainsLossesOnExtinguishmentOfDebt`	-	USD	Annual
Loss on extinguishment of debt	`GainsLossesOnExtinguishmentOfDebt`	-	USD	Annual
Loss on extinguishment of debt	`GainsLossesOnExtinguishmentOfDebt`	$-22.54M	USD	Annual
Unrealized foreign exchange (gain) loss and other	`ForeignCurrencyTransactionGainLossUnrealized`	$-3.83M	USD	Annual
Unrealized foreign exchange (gain) loss and other	`ForeignCurrencyTransactionGainLossUnrealized`	$19.44M	USD	Annual
Unrealized foreign exchange (gain) loss and other	`ForeignCurrencyTransactionGainLossUnrealized`	$-13.86M	USD	Annual
Asset impairment charges	`OtherAssetImpairmentCharges`	$842.00K	USD	Annual
Asset impairment charges	`OtherAssetImpairmentCharges`	$13.34M	USD	Annual
Asset impairment charges	`OtherAssetImpairmentCharges`	$221.00K	USD	Annual
Stock-based compensation expense	`ShareBasedCompensation`	$111.84M	USD	Annual
Stock-based compensation expense	`ShareBasedCompensation`	$94.19M	USD	Annual
Stock-based compensation expense	`ShareBasedCompensation`	$111.38M	USD	Annual
Deferred income taxes	`DeferredIncomeTaxesAndTaxCredits`	$-44.45M	USD	Annual
Deferred income taxes	`DeferredIncomeTaxesAndTaxCredits`	$-27.51M	USD	Annual
Deferred income taxes	`DeferredIncomeTaxesAndTaxCredits`	$-93.11M	USD	Annual
Gain on sale of business	`GainLossOnSaleOfBusiness`	$4.42M	USD	Annual
Gain on sale of business	`GainLossOnSaleOfBusiness`	-	USD	Annual
Gain on sale of business	`GainLossOnSaleOfBusiness`	-	USD	Annual
Gain on fair value adjustment of marketable equity securities	`EquitySecuritiesFvNiUnrealizedGainLoss`	$26.72M	USD	Annual
Gain on fair value adjustment of marketable equity securities	`EquitySecuritiesFvNiUnrealizedGainLoss`	-	USD	Annual
Gain on fair value adjustment of marketable equity securities	`EquitySecuritiesFvNiUnrealizedGainLoss`	-	USD	Annual
Settlement of treasury lock agreement	`IncreaseDecreaseInDerivativeAssetsAndLiabilities`	-	USD	Annual
Settlement of treasury lock agreement	`IncreaseDecreaseInDerivativeAssetsAndLiabilities`	$21.52M	USD	Annual
Settlement of treasury lock agreement	`IncreaseDecreaseInDerivativeAssetsAndLiabilities`	-	USD	Annual
Accounts receivable	`IncreaseDecreaseInAccountsReceivableExcludingAcquisitionRelated`	$146.15M	USD	Annual
Accounts receivable	`IncreaseDecreaseInAccountsReceivableExcludingAcquisitionRelated`	$118.36M	USD	Annual
Accounts receivable	`IncreaseDecreaseInAccountsReceivableExcludingAcquisitionRelated`	$203.16M	USD	Annual
Inventories	`IncreaseDecreaseInInventories`	$270.10M	USD	Annual
Inventories	`IncreaseDecreaseInInventories`	$59.56M	USD	Annual
Inventories	`IncreaseDecreaseInInventories`	$74.82M	USD	Annual
Other assets	`IncreaseDecreaseInOtherOperatingAssets`	$47.12M	USD	Annual
Other assets	`IncreaseDecreaseInOtherOperatingAssets`	$11.15M	USD	Annual
Other assets	`IncreaseDecreaseInOtherOperatingAssets`	$96.22M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$61.14M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$-21.63M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$79.37M	USD	Annual
Deferred system revenue	`IncreaseDecreaseInContractWithCustomerLiabilitySystemRevenue`	$-44.67M	USD	Annual
Deferred system revenue	`IncreaseDecreaseInContractWithCustomerLiabilitySystemRevenue`	$57.69M	USD	Annual
Deferred system revenue	`IncreaseDecreaseInContractWithCustomerLiabilitySystemRevenue`	$-15.67M	USD	Annual
Deferred service revenue	`IncreaseDecreaseInContractWithCustomerLiabilityServiceRevenue`	$22.78M	USD	Annual
Deferred service revenue	`IncreaseDecreaseInContractWithCustomerLiabilityServiceRevenue`	$15.06M	USD	Annual
Deferred service revenue	`IncreaseDecreaseInContractWithCustomerLiabilityServiceRevenue`	$45.84M	USD	Annual
Other liabilities	`IncreaseDecreaseInOtherOperatingLiabilities`	$-24.65M	USD	Annual
Other liabilities	`IncreaseDecreaseInOtherOperatingLiabilities`	$-51.27M	USD	Annual
Other liabilities	`IncreaseDecreaseInOtherOperatingLiabilities`	$245.62M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$2.19B	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$1.78B	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$1.15B	USD	Annual
Acquisition of non-marketable securities	`AcquisitionOfNonMarketableSecurities`	-	USD	Annual
Acquisition of non-marketable securities	`AcquisitionOfNonMarketableSecurities`	-	USD	Annual
Acquisition of non-marketable securities	`AcquisitionOfNonMarketableSecurities`	$630.00K	USD	Annual
Proceeds from sale of assets	`ProceedsFromSaleOfProductiveAssets`	-	USD	Annual
Proceeds from sale of assets	`ProceedsFromSaleOfProductiveAssets`	-	USD	Annual
Proceeds from sale of assets	`ProceedsFromSaleOfProductiveAssets`	$1.85M	USD	Annual
Proceeds from sale of business	`ProceedsFromDivestitureOfBusinesses`	-	USD	Annual
Proceeds from sale of business	`ProceedsFromDivestitureOfBusinesses`	-	USD	Annual
Proceeds from sale of business	`ProceedsFromDivestitureOfBusinesses`	$16.83M	USD	Annual
Business acquisitions, net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	$90.14M	USD	Annual
Business acquisitions, net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	$1.82B	USD	Annual
Business acquisitions, net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	-	USD	Annual
Capital expenditures	`PaymentsToAcquirePropertyPlantAndEquipment`	$152.68M	USD	Annual
Capital expenditures	`PaymentsToAcquirePropertyPlantAndEquipment`	$231.63M	USD	Annual
Capital expenditures	`PaymentsToAcquirePropertyPlantAndEquipment`	$130.50M	USD	Annual
Purchases of available-for-sale securities	`PaymentsToAcquireAvailableForSaleSecuritiesDebt`	$81.53M	USD	Annual
Purchases of available-for-sale securities	`PaymentsToAcquireAvailableForSaleSecuritiesDebt`	$1.02B	USD	Annual
Purchases of available-for-sale securities	`PaymentsToAcquireAvailableForSaleSecuritiesDebt`	$798.49M	USD	Annual
Proceeds from sale of available-for-sale securities	`ProceedsFromSaleOfAvailableForSaleSecuritiesDebt`	$256.39M	USD	Annual
Proceeds from sale of available-for-sale securities	`ProceedsFromSaleOfAvailableForSaleSecuritiesDebt`	$145.53M	USD	Annual
Proceeds from sale of available-for-sale securities	`ProceedsFromSaleOfAvailableForSaleSecuritiesDebt`	$148.97M	USD	Annual
Proceeds from maturity of available-for-sale securities	`ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities`	$581.68M	USD	Annual
Proceeds from maturity of available-for-sale securities	`ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities`	$626.94M	USD	Annual
Proceeds from maturity of available-for-sale securities	`ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities`	$589.32M	USD	Annual
Purchases of trading securities	`PaymentsToAcquireOtherInvestments`	$107.87M	USD	Annual
Purchases of trading securities	`PaymentsToAcquireOtherInvestments`	$110.24M	USD	Annual
Purchases of trading securities	`PaymentsToAcquireOtherInvestments`	$81.02M	USD	Annual
Proceeds from sale of trading securities	`ProceedsFromSaleAndMaturityOfMarketableSecurities`	$85.27M	USD	Annual
Proceeds from sale of trading securities	`ProceedsFromSaleAndMaturityOfMarketableSecurities`	$115.68M	USD	Annual
Proceeds from sale of trading securities	`ProceedsFromSaleAndMaturityOfMarketableSecurities`	$111.32M	USD	Annual
Proceeds from other investments	`ProceedsFromSaleAndMaturityOfOtherInvestments`	-	USD	Annual
Proceeds from other investments	`ProceedsFromSaleAndMaturityOfOtherInvestments`	$614.00K	USD	Annual
Proceeds from other investments	`ProceedsFromSaleAndMaturityOfOtherInvestments`	$1.09M	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-258.87M	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-1.18B	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-500.40M	USD	Annual
Proceeds from issuance of debt, net of issuance costs	`ProceedsFromDebtNetOfIssuanceCosts`	$1.18B	USD	Annual
Proceeds from issuance of debt, net of issuance costs	`ProceedsFromDebtNetOfIssuanceCosts`	$40.34M	USD	Annual
Proceeds from issuance of debt, net of issuance costs	`ProceedsFromDebtNetOfIssuanceCosts`	$741.83M	USD	Annual
Proceeds from revolving credit facility, net of costs	`ProceedsFromLongTermLinesOfCredit`	$900.00M	USD	Annual
Proceeds from revolving credit facility, net of costs	`ProceedsFromLongTermLinesOfCredit`	$450.00M	USD	Annual
Proceeds from revolving credit facility, net of costs	`ProceedsFromLongTermLinesOfCredit`	-	USD	Annual
Repayment of debt	`RepaymentsOfLongTermDebt`	$1.17B	USD	Annual
Repayment of debt	`RepaymentsOfLongTermDebt`	$70.00M	USD	Annual
Repayment of debt	`RepaymentsOfLongTermDebt`	$902.47M	USD	Annual
Common stock repurchases	`PaymentsForRepurchaseOfCommonStock`	$829.08M	USD	Annual
Common stock repurchases	`PaymentsForRepurchaseOfCommonStock`	$1.10B	USD	Annual
Common stock repurchases	`PaymentsForRepurchaseOfCommonStock`	$938.61M	USD	Annual
Payment of dividends to stockholders	`PaymentsOfDividendsCommonStock`	$559.35M	USD	Annual
Payment of dividends to stockholders	`PaymentsOfDividendsCommonStock`	$522.42M	USD	Annual
Payment of dividends to stockholders	`PaymentsOfDividendsCommonStock`	$472.26M	USD	Annual
Payment of dividends to subsidiarys non-controlling interest holders	`PaymentsOfDividendsMinorityInterest`	-	USD	Annual
Payment of dividends to subsidiarys non-controlling interest holders	`PaymentsOfDividendsMinorityInterest`	-	USD	Annual
Payment of dividends to subsidiarys non-controlling interest holders	`PaymentsOfDividendsMinorityInterest`	$1.24M	USD	Annual
Issuance of common stock	`ProceedsFromIssuanceOfCommonStock`	$75.63M	USD	Annual
Issuance of common stock	`ProceedsFromIssuanceOfCommonStock`	$86.10M	USD	Annual
Issuance of common stock	`ProceedsFromIssuanceOfCommonStock`	$64.83M	USD	Annual
Tax withholding payments related to vested and released restricted stock units	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$56.36M	USD	Annual
Tax withholding payments related to vested and released restricted stock units	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$46.26M	USD	Annual
Tax withholding payments related to vested and released restricted stock units	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$37.52M	USD	Annual
Contingent consideration payable and other, net	`ContingentConsiderationPayableAndOtherNet`	$2.94M	USD	Annual
Contingent consideration payable and other, net	`ContingentConsiderationPayableAndOtherNet`	$-1.16M	USD	Annual
Contingent consideration payable and other, net	`ContingentConsiderationPayableAndOtherNet`	-	USD	Annual
Net cash used in financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-360.00M	USD	Annual
Net cash used in financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-1.30B	USD	Annual
Net cash used in financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-1.50B	USD	Annual
Effect of exchange rate changes on cash and cash equivalents	`EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$13.46M	USD	Annual
Effect of exchange rate changes on cash and cash equivalents	`EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$-1.93M	USD	Annual
Effect of exchange rate changes on cash and cash equivalents	`EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$-33.00K	USD	Annual
Net (decrease) increase in cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-388.39M	USD	Annual
Net (decrease) increase in cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$200.20M	USD	Annual
Net (decrease) increase in cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$218.41M	USD	Annual
Cash and cash equivalents at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$1.02B	USD	Point-in-time
Cash and cash equivalents at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$1.43B	USD	Point-in-time
Cash and cash equivalents at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$1.23B	USD	Point-in-time
Cash and cash equivalents at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$1.40B	USD	Point-in-time
Cash and cash equivalents at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$1.02B	USD	Point-in-time
Cash and cash equivalents at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$1.43B	USD	Point-in-time
Cash and cash equivalents at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$1.23B	USD	Point-in-time
Cash and cash equivalents at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$1.40B	USD	Point-in-time
Income taxes paid, net	`IncomeTaxesPaidNet`	$326.00M	USD	Annual
Income taxes paid, net	`IncomeTaxesPaidNet`	$204.69M	USD	Annual
Income taxes paid, net	`IncomeTaxesPaidNet`	$180.47M	USD	Annual
Interest paid	`InterestPaidNet`	$154.20M	USD	Annual
Interest paid	`InterestPaidNet`	$107.07M	USD	Annual
Interest paid	`InterestPaidNet`	$152.65M	USD	Annual
Issuance of common stock for the Orbotech Acquisition - financing activities	`StockIssued1`	-	USD	Annual
Issuance of common stock for the Orbotech Acquisition - financing activities	`StockIssued1`	-	USD	Annual
Issuance of common stock for the Orbotech Acquisition - financing activities	`StockIssued1`	$1.33B	USD	Annual
Contingent consideration payable - financing activities	`NoncashOrPartNoncashAcquisitionContingentConsiderationPayableReceivable`	$6.91M	USD	Annual
Contingent consideration payable - financing activities	`NoncashOrPartNoncashAcquisitionContingentConsiderationPayableReceivable`	$5.33M	USD	Annual
Contingent consideration payable - financing activities	`NoncashOrPartNoncashAcquisitionContingentConsiderationPayableReceivable`	$-7.45M	USD	Annual
Dividends payable - financing activities	`NoncashTransactionIncreaseDecreaseInDividendsPayable`	$6.29M	USD	Annual
Dividends payable - financing activities	`NoncashTransactionIncreaseDecreaseInDividendsPayable`	$7.34M	USD	Annual
Dividends payable - financing activities	`NoncashTransactionIncreaseDecreaseInDividendsPayable`	$5.98M	USD	Annual
Business acquisition holdback amounts - investing activities	`NoncashOrPartNoncashAcquisitionHoldbackConsiderationPayable`	$440.00K	USD	Annual
Business acquisition holdback amounts - investing activities	`NoncashOrPartNoncashAcquisitionHoldbackConsiderationPayable`	-	USD	Annual
Business acquisition holdback amounts - investing activities	`NoncashOrPartNoncashAcquisitionHoldbackConsiderationPayable`	-	USD	Annual
Unsettled common stock repurchase - financing activities	`StockRepurchaseProgramUnsettledCommonStockRepurchase`	-	USD	Annual
Unsettled common stock repurchase - financing activities	`StockRepurchaseProgramUnsettledCommonStockRepurchase`	$8.00M	USD	Annual
Unsettled common stock repurchase - financing activities	`StockRepurchaseProgramUnsettledCommonStockRepurchase`	$6.00M	USD	Annual
Accrued purchase of land, property and equipment - investing activities	`NoncashOrPartNoncashAcquisitionFixedAssetsAcquired1`	$15.84M	USD	Annual
Accrued purchase of land, property and equipment - investing activities	`NoncashOrPartNoncashAcquisitionFixedAssetsAcquired1`	$30.61M	USD	Annual
Accrued purchase of land, property and equipment - investing activities	`NoncashOrPartNoncashAcquisitionFixedAssetsAcquired1`	$6.35M	USD	Annual

Stockholders Equity 48 line items

Line Item	Tag	Value	Unit	Period
Cash dividends declared (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$3.60	USD	Annual
Cash dividends declared (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$3.00	USD	Annual
Cash dividends declared (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$3.30	USD	Annual
Cash dividends declared (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.90	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$2.68B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.62B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.38B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$2.68B	USD	Point-in-time
Reclassification of stranded tax effects	`TaxCutsAndJobsActOf2017ReclassificationFromAociToRetainedEarningsTaxEffect`	-	USD	Annual
Net income attributable to KLA	`NetIncomeLoss`	$78.45M	USD	1 Quarter
Net income attributable to KLA	`NetIncomeLoss`	$420.57M	USD	1 Quarter
Net income attributable to KLA	`NetIncomeLoss`	$1.18B	USD	Annual
Net income attributable to KLA	`NetIncomeLoss`	$346.52M	USD	1 Quarter
Net income attributable to KLA	`NetIncomeLoss`	$1.22B	USD	Annual
Net income attributable to KLA	`NetIncomeLoss`	$2.08B	USD	Annual
Net income attributable to KLA	`NetIncomeLoss`	$457.25M	USD	1 Quarter
Net income attributable to KLA	`NetIncomeLoss`	$380.56M	USD	1 Quarter
Net income attributable to KLA	`NetIncomeLoss`	$632.98M	USD	1 Quarter
Net income attributable to KLA	`NetIncomeLoss`	$567.50M	USD	1 Quarter
Net income attributable to KLA	`NetIncomeLoss`	$411.25M	USD	1 Quarter
Net loss attributable to non-controlling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$-600.00K	USD	Annual
Net loss attributable to non-controlling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$-939.00K	USD	Annual
Net loss attributable to non-controlling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$-1.76M	USD	Annual
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$4.22M	USD	Annual
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$-8.25M	USD	Annual
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$-6.75M	USD	Annual
Assumption of stock-based compensation plan awards in connection with the Orbotech Acquisition	`StockAssumedDuringPeriodValueAcquisitionsShareBasedPaymentArrangement`	$13.28M	USD	Annual
Common stock issued upon the Orbotech Acquisition	`StockIssuedDuringPeriodValueAcquisitions`	$1.33B	USD	Annual
Net issuance under employee stock plans	`StockIssuedDuringPeriodValueShareBasedCompensation`	$29.37M	USD	Annual
Net issuance under employee stock plans	`StockIssuedDuringPeriodValueShareBasedCompensation`	$27.32M	USD	Annual
Net issuance under employee stock plans	`StockIssuedDuringPeriodValueShareBasedCompensation`	$29.74M	USD	Annual
Repurchase of common stock	`TreasuryStockValueAcquiredCostMethod`	$1.10B	USD	Annual
Repurchase of common stock	`TreasuryStockValueAcquiredCostMethod`	$821.08M	USD	Annual
Repurchase of common stock	`TreasuryStockValueAcquiredCostMethod`	$944.61M	USD	Annual
Cash dividends and dividend equivalents declared	`DividendsCommonStockCash`	$523.40M	USD	Annual
Cash dividends and dividend equivalents declared	`DividendsCommonStockCash`	$470.01M	USD	Annual
Cash dividends and dividend equivalents declared	`DividendsCommonStockCash`	$561.38M	USD	Annual
Dividend to non-controlling interest	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$1.24M	USD	Annual
Non-controlling interest in connection with the Orbotech Acquisition	`NoncontrollingInterestIncreaseFromBusinessCombination`	$19.18M	USD	Annual
Stock-based compensation expense	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$111.84M	USD	Annual
Stock-based compensation expense	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$111.38M	USD	Annual
Stock-based compensation expense	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$94.19M	USD	Annual
Net issuance on exercise of option by NCI	`StockIssuedDuringPeriodValueStockOptionsExercised`	$127.00K	USD	Annual
Disposal of non-controlling interest	`MinorityInterestDecreaseFromRedemptions`	$17.12M	USD	Annual
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$2.68B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.62B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.38B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$2.68B	USD	Point-in-time

Comprehensive Income 48 line items

Line Item	Tag	Value	Unit	Period
Net income	`ProfitLoss`	$2.08B	USD	Annual
Net income	`ProfitLoss`	$1.18B	USD	Annual
Net income	`ProfitLoss`	$1.22B	USD	Annual
Cumulative currency translation adjustments	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax`	$12.24M	USD	Annual
Cumulative currency translation adjustments	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax`	$-26.00K	USD	Annual
Cumulative currency translation adjustments	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax`	$-5.19M	USD	Annual
Income tax (provision) benefit	`OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax`	$-117.00K	USD	Annual
Income tax (provision) benefit	`OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax`	$-110.00K	USD	Annual
Income tax (provision) benefit	`OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax`	$842.00K	USD	Annual
Net change related to currency translation adjustments	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax`	$11.39M	USD	Annual
Net change related to currency translation adjustments	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax`	$84.00K	USD	Annual
Net change related to currency translation adjustments	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax`	$-5.07M	USD	Annual
Net unrealized gains (losses) arising during the period	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax`	$-16.74M	USD	Annual
Net unrealized gains (losses) arising during the period	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax`	$-9.12M	USD	Annual
Net unrealized gains (losses) arising during the period	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax`	$3.78M	USD	Annual
Reclassification adjustments for net (gains) losses included in net income	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax`	$-181.00K	USD	Annual
Reclassification adjustments for net (gains) losses included in net income	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax`	$4.02M	USD	Annual
Reclassification adjustments for net (gains) losses included in net income	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax`	$2.07M	USD	Annual
Income tax (provision) benefit	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTax`	$-2.03M	USD	Annual
Income tax (provision) benefit	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTax`	$805.00K	USD	Annual
Income tax (provision) benefit	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTax`	$-4.29M	USD	Annual
Net change related to cash flow hedges	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax`	$3.16M	USD	Annual
Net change related to cash flow hedges	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax`	$-11.10M	USD	Annual
Net change related to cash flow hedges	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax`	$-14.53M	USD	Annual
Net change related to unrecognized losses and transition obligations in connection with defined benefit plans	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$1.82M	USD	Annual
Net change related to unrecognized losses and transition obligations in connection with defined benefit plans	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$7.25M	USD	Annual
Net change related to unrecognized losses and transition obligations in connection with defined benefit plans	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-2.40M	USD	Annual
Net unrealized gains (losses) arising during the period	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax`	$11.66M	USD	Annual
Net unrealized gains (losses) arising during the period	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax`	$6.03M	USD	Annual
Net unrealized gains (losses) arising during the period	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax`	$-3.68M	USD	Annual
Reclassification adjustments for net (gains) losses included in net income	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax`	$253.00K	USD	Annual
Reclassification adjustments for net (gains) losses included in net income	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax`	$297.00K	USD	Annual
Reclassification adjustments for net (gains) losses included in net income	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax`	$-1.29M	USD	Annual
Income tax (provision) benefit	`OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax`	$3.21M	USD	Annual
Income tax (provision) benefit	`OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax`	$-843.00K	USD	Annual
Income tax (provision) benefit	`OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax`	$433.00K	USD	Annual
Net change related to available-for-sale securities	`OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax`	$-3.09M	USD	Annual
Net change related to available-for-sale securities	`OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax`	$5.30M	USD	Annual
Net change related to available-for-sale securities	`OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax`	$9.75M	USD	Annual
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$4.22M	USD	Annual
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$-8.25M	USD	Annual
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$-6.75M	USD	Annual
Less: Comprehensive loss attributable to non-controlling interest	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$-939.00K	USD	Annual
Less: Comprehensive loss attributable to non-controlling interest	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$-1.76M	USD	Annual
Less: Comprehensive loss attributable to non-controlling interest	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$-600.00K	USD	Annual
Total comprehensive income attributable to KLA	`ComprehensiveIncomeNetOfTax`	$1.21B	USD	Annual
Total comprehensive income attributable to KLA	`ComprehensiveIncomeNetOfTax`	$1.17B	USD	Annual
Total comprehensive income attributable to KLA	`ComprehensiveIncomeNetOfTax`	$2.08B	USD	Annual

Data is extracted from SEC EDGAR XBRL filings. Values shown are as reported in the filing.