$KLAC
KLA CORP Stock $klac

$klac Overview Financials Valuation SEC Filings Company Website

2013 Q4 Form 10-Q Financial Statement

#000031920114000007 Filed on January 24, 2014

Income Statement

Concept	2013 Q4	2012 Q4
Revenue	$705.1M	$673.0M
YoY Change	4.77%	4.75%
Cost Of Revenue	$285.8M	$303.9M
YoY Change	-5.96%	11.38%
Gross Profit	$419.3M	$369.1M
YoY Change	13.61%	-0.14%
Gross Profit Margin	59.47%	54.84%
Selling, General & Admin	$96.75M	$94.24M
YoY Change	2.66%	0.47%
% of Gross Profit	23.07%	25.53%
Research & Development	$134.6M	$121.6M
YoY Change	10.67%	4.51%
% of Gross Profit	32.1%	32.95%
Depreciation & Amortization	$19.80M	$21.90M
YoY Change	-9.59%	-6.01%
% of Gross Profit	4.72%	5.93%
Operating Expenses	$231.3M	$215.8M
YoY Change	7.17%	2.71%
Operating Profit	$188.0M	$153.2M
YoY Change	22.67%	-3.9%
Interest Expense	$13.31M	$13.43M
YoY Change	-0.89%	1.02%
% of Operating Profit	7.08%	8.76%
Other Income/Expense, Net	$2.000M	$5.100M
YoY Change	-60.78%	628.57%
Pretax Income	$176.7M	$144.9M
YoY Change	22.0%	-1.38%
Income Tax	$37.50M	$38.24M
% Of Pretax Income	21.22%	26.4%
Net Earnings	$139.2M	$106.6M
YoY Change	30.59%	-3.76%
Net Earnings / Revenue	19.75%	15.84%
Basic Earnings Per Share	$0.84	$0.64
Diluted Earnings Per Share	$0.83	$0.63
COMMON SHARES
Basic Shares Outstanding	166.4M shares	166.3M shares
Diluted Shares Outstanding	168.2M shares	169.1M shares

Balance Sheet

Concept	2013 Q4	2012 Q4
SHORT-TERM ASSETS
Cash & Short-Term Investments	$2.951B	$2.578B
YoY Change	14.44%	18.46%
Cash & Equivalents	$793.4M	$767.3M
Short-Term Investments	$2.157B	$1.811B
Other Short-Term Assets	$120.1M	$120.8M
YoY Change	-0.57%	30.67%
Inventory	$663.0M	$662.7M
Prepaid Expenses	$33.02M	$43.89M
Receivables	$573.1M	$606.1M
Other Receivables	$66.40M	$59.60M
Total Short-Term Assets	$4.508B	$4.136B
YoY Change	8.98%	10.33%
LONG-TERM ASSETS
Property, Plant & Equipment	$325.9M	$292.4M
YoY Change	11.44%	9.25%
Goodwill	$326.6M	$326.8M
YoY Change	-0.06%	-0.32%
Intangibles	$26.10M	$43.51M
YoY Change	-40.02%	-38.03%
Long-Term Investments
YoY Change
Other Assets	$254.7M	$269.8M
YoY Change	-5.6%	-5.76%
Total Long-Term Assets	$359.9M	$344.8M
YoY Change	4.36%	-0.87%
TOTAL ASSETS
Total Short-Term Assets	$4.508B	$4.136B
Total Long-Term Assets	$359.9M	$344.8M
Total Assets	$5.441B	$5.069B
YoY Change	7.34%	7.82%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$141.5M	$103.6M
YoY Change	36.66%	-19.75%
Accrued Expenses	$318.3M	$456.6M
YoY Change	-30.29%	3.3%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00
YoY Change
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$928.0M	$781.7M
YoY Change	18.71%	-5.81%
LONG-TERM LIABILITIES
Long-Term Debt	$747.6M	$747.1M
YoY Change	0.07%	0.07%
Other Long-Term Liabilities	$35.83M	$92.13M
YoY Change	-61.11%	14.65%
Total Long-Term Liabilities	$35.83M	$92.13M
YoY Change	-61.11%	14.65%
TOTAL LIABILITIES
Total Short-Term Liabilities	$928.0M	$781.7M
Total Long-Term Liabilities	$35.83M	$92.13M
Total Liabilities	$1.891B	$1.708B
YoY Change	10.71%	-1.44%
SHAREHOLDERS EQUITY
Retained Earnings	$2.387B	$2.253B
YoY Change	5.95%	16.82%
Common Stock
YoY Change
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$3.550B	$3.361B
YoY Change
Total Liabilities & Shareholders Equity	$5.441B	$5.069B
YoY Change	7.34%	7.82%

Cashflow Statement

Concept	2013 Q4	2012 Q4
OPERATING ACTIVITIES
Net Income	$139.2M	$106.6M
YoY Change	30.59%	-3.76%
Depreciation, Depletion And Amortization	$19.80M	$21.90M
YoY Change	-9.59%	-6.01%
Cash From Operating Activities	$115.3M	$77.40M
YoY Change	48.97%	-58.65%
INVESTING ACTIVITIES
Capital Expenditures	-$14.40M	-$17.10M
YoY Change	-15.79%	14.77%
Acquisitions
YoY Change
Other Investing Activities	-$111.7M	$114.8M
YoY Change	-197.3%	3726.67%
Cash From Investing Activities	-$126.1M	$97.70M
YoY Change	-229.07%	-921.01%
FINANCING ACTIVITIES
Cash Dividend Paid	$74.98M	$66.52M
YoY Change	12.72%	14.5%
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-97.60M	-114.6M
YoY Change	-14.83%	22.17%
NET CHANGE
Cash From Operating Activities	115.3M	77.40M
Cash From Investing Activities	-126.1M	97.70M
Cash From Financing Activities	-97.60M	-114.6M
Net Change In Cash	-108.4M	60.50M
YoY Change	-279.17%	-25.77%
FREE CASH FLOW
Cash From Operating Activities	$115.3M	$77.40M
Capital Expenditures	-$14.40M	-$17.10M
Free Cash Flow	$129.7M	$94.50M
YoY Change	37.25%	-53.24%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2013Q2	us-gaap	Accounts Payable Current AccountsPayableCurrent	115680000	USD
CY2013Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	141545000	USD
CY2013Q2	us-gaap	Accounts Receivable Gross Current AccountsReceivableGrossCurrent	546745000	USD
CY2013Q4	us-gaap	Accounts Receivable Gross Current AccountsReceivableGrossCurrent	595048000	USD
CY2013Q2	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	524610000	USD
CY2013Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	573077000	USD
CY2013Q2	us-gaap	Accrued Income Taxes Noncurrent AccruedIncomeTaxesNoncurrent	59494000	USD
CY2013Q4	us-gaap	Accrued Income Taxes Noncurrent AccruedIncomeTaxesNoncurrent	62777000	USD
CY2013Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	539579000	USD
CY2013Q2	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	523541000	USD
CY2013Q4	us-gaap	Accumulated Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	1585000	USD
CY2013Q2	us-gaap	Accumulated Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-602000	USD
CY2013Q2	us-gaap	Accumulated Other Comprehensive Income Loss Cumulative Changes In Net Gain Loss From Cash Flow Hedges Effect Net Of Tax AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax	1594000	USD
CY2013Q4	us-gaap	Accumulated Other Comprehensive Income Loss Cumulative Changes In Net Gain Loss From Cash Flow Hedges Effect Net Of Tax AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax	2258000	USD
CY2013Q2	us-gaap	Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Net Of Tax AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax	15171000	USD
CY2013Q4	us-gaap	Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Net Of Tax AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax	14771000	USD
CY2013Q2	us-gaap	Accumulated Other Comprehensive Income Loss Foreign Currency Translation Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax	-22467000	USD
CY2013Q4	us-gaap	Accumulated Other Comprehensive Income Loss Foreign Currency Translation Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax	-19320000	USD
CY2013Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-30248000	USD
CY2013Q2	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-36646000	USD
CY2013Q4	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	14870000	USD
CY2012Q4	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	14958000	USD
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	33942000	USD
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	34089000	USD
CY2013Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	21971000	USD
CY2013Q2	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	22135000	USD
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	11800000	USD
CY2013Q4	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	3900000	USD
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	8400000	USD
CY2012Q4	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	4600000	USD
CY2013Q4	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0	shares
CY2012Q4	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	1618000	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	200000	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	1830000	shares
CY2013Q4	us-gaap	Assets Assets	5440734000	USD
CY2013Q2	us-gaap	Assets Assets	5287357000	USD
CY2013Q4	us-gaap	Assets Current AssetsCurrent	4507534000	USD
CY2013Q2	us-gaap	Assets Current AssetsCurrent	4351503000	USD
CY2013Q2	us-gaap	Assets Noncurrent AssetsNoncurrent	347759000	USD
CY2013Q4	us-gaap	Assets Noncurrent AssetsNoncurrent	359859000	USD
CY2013Q4	us-gaap	Available For Sale Securities AvailableForSaleSecurities	2157279000	USD
CY2013Q2	us-gaap	Available For Sale Securities AvailableForSaleSecurities	1933491000	USD
CY2013Q4	us-gaap	Available For Sale Securities Amortized Cost AvailableForSaleSecuritiesAmortizedCost	2154859000	USD
CY2013Q2	us-gaap	Available For Sale Securities Amortized Cost AvailableForSaleSecuritiesAmortizedCost	1934422000	USD
	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than12 Months Aggregate Losses AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAggregateLosses	1338000	USD
CY2013Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	704855000	USD
CY2013Q4	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost	1622581000	USD
CY2013Q4	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	1624155000	USD
CY2013Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost	532278000	USD
CY2013Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	533124000	USD
	us-gaap	Available For Sale Securities Gross Realized Gains AvailableForSaleSecuritiesGrossRealizedGains	1400000	USD
	us-gaap	Available For Sale Securities Gross Realized Gains AvailableForSaleSecuritiesGrossRealizedGains	1500000	USD
CY2013Q4	us-gaap	Available For Sale Securities Gross Realized Gains AvailableForSaleSecuritiesGrossRealizedGains	1200000	USD
CY2012Q4	us-gaap	Available For Sale Securities Gross Realized Gains AvailableForSaleSecuritiesGrossRealizedGains	1100000	USD
	us-gaap	Available For Sale Securities Gross Unrealized Gains AvailableForSaleSecuritiesGrossUnrealizedGains	3758000	USD
CY2013	us-gaap	Available For Sale Securities Gross Unrealized Gains AvailableForSaleSecuritiesGrossUnrealizedGains	3071000	USD
	us-gaap	Available For Sale Securities Gross Unrealized Loss AvailableForSaleSecuritiesGrossUnrealizedLoss	1338000	USD
CY2013	us-gaap	Available For Sale Securities Gross Unrealized Loss AvailableForSaleSecuritiesGrossUnrealizedLoss	4002000	USD
	us-gaap	Basis Of Accounting BasisOfAccounting	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:12px;text-indent:32px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-weight:bold;">Basis of Presentation.</font><font style="font-family:inherit;font-size:10pt;"> The condensed consolidated financial statements have been prepared by KLA-Tencor Corporation (“KLA-Tencor” or the “Company”) pursuant to the rules and regulations of the U.S. Securities and Exchange Commission (“SEC”). Certain information and footnote disclosures normally included in financial statements prepared in accordance with accounting principles generally accepted in the United States of America have been condensed or omitted pursuant to such rules and regulations. In the opinion of management, the unaudited interim financial statements reflect all adjustments (consisting only of normal, recurring adjustments) necessary for a fair statement of the financial position, results of operations, comprehensive income, and cash flows for the periods indicated. These financial statements and notes, however, should be read in conjunction with Item 8, “Financial Statements and Supplementary Data” included in the Company’s Annual Report on Form 10-K for the fiscal year ended </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">June 30, 2013</font><font style="font-family:inherit;font-size:10pt;">, filed with the SEC on </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">August 8, 2013</font><font style="font-family:inherit;font-size:10pt;">. </font></div><div style="line-height:120%;padding-top:12px;text-indent:32px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">The condensed consolidated financial statements include the accounts of KLA-Tencor and its majority-owned subsidiaries. All significant intercompany balances and transactions have been eliminated.</font></div><div style="line-height:120%;padding-top:12px;text-indent:32px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">The results of operations for the </font><font style="font-family:inherit;font-size:10pt;">six</font><font style="font-family:inherit;font-size:10pt;"> months ended </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">December 31, 2013</font><font style="font-family:inherit;font-size:10pt;"> are not necessarily indicative of the results that may be expected for any other interim period or for the full fiscal year ending </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">June 30, 2014</font><font style="font-family:inherit;font-size:10pt;">.</font></div><div style="line-height:120%;padding-top:12px;text-indent:32px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Certain reclassifications have been made to the prior year’s Condensed Consolidated Balance Sheet and notes to conform to the current year presentation. The reclassifications had no effect on the Condensed Consolidated Statements of Operations or Cash Flows.</font></div></div>
CY2013Q2	us-gaap	Cash Cash	125500000	USD
CY2013Q4	us-gaap	Cash Cash	122800000	USD
CY2013Q2	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	985390000	USD
CY2013Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	793382000	USD
CY2012Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	767313000	USD
CY2012Q2	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	751294000	USD
	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-192008000	USD
	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	16019000	USD
CY2013Q4	us-gaap	Cash Equivalents At Carrying Value CashEquivalentsAtCarryingValue	670591000	USD
CY2013Q2	us-gaap	Cash Equivalents At Carrying Value CashEquivalentsAtCarryingValue	859933000	USD
CY2013Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2013Q2	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.90
	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.80
CY2013Q4	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.45
CY2012Q4	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.40
CY2013Q2	us-gaap	Common Stocks Including Additional Paid In Capital CommonStocksIncludingAdditionalPaidInCapital	1159565000	USD
CY2013Q4	us-gaap	Common Stocks Including Additional Paid In Capital CommonStocksIncludingAdditionalPaidInCapital	1193654000	USD
CY2013Q4	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	140889000	USD
CY2012Q4	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	104683000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	256841000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	248082000	USD
CY2012Q4	us-gaap	Cost Of Revenue CostOfRevenue	303915000	USD
	us-gaap	Cost Of Revenue CostOfRevenue	563471000	USD
CY2013Q4	us-gaap	Cost Of Revenue CostOfRevenue	285814000	USD
	us-gaap	Cost Of Revenue CostOfRevenue	621140000	USD
CY2012Q4	us-gaap	Costs And Expenses CostsAndExpenses	519764000	USD
CY2013Q4	us-gaap	Costs And Expenses CostsAndExpenses	517147000	USD
	us-gaap	Costs And Expenses CostsAndExpenses	1053916000	USD
	us-gaap	Costs And Expenses CostsAndExpenses	1025573000	USD
CY2008Q2	us-gaap	Debt Instrument Face Amount DebtInstrumentFaceAmount	750000000	USD
CY2013Q2	us-gaap	Debt Instrument Fair Value DebtInstrumentFairValue	872300000	USD
CY2013Q4	us-gaap	Debt Instrument Fair Value DebtInstrumentFairValue	874900000	USD
CY2008Q2	us-gaap	Debt Instrument Frequency Of Periodic Payment DebtInstrumentFrequencyOfPeriodicPayment	semi-annually
CY2008Q2	us-gaap	Debt Instrument Interest Rate Effective Percentage DebtInstrumentInterestRateEffectivePercentage	0.0700
CY2013Q2	us-gaap	Deferred Compensation Plan Assets DeferredCompensationPlanAssets	136461000	USD
CY2013Q2	us-gaap	Deferred Revenue And Credits Current DeferredRevenueAndCreditsCurrent	60838000	USD
CY2013Q4	us-gaap	Deferred Revenue And Credits Current DeferredRevenueAndCreditsCurrent	47629000	USD
CY2008Q2	us-gaap	Debt Instrument Interest Rate Stated Percentage DebtInstrumentInterestRateStatedPercentage	0.0690
CY2008Q2	us-gaap	Debt Instrument Unamortized Discount DebtInstrumentUnamortizedDiscount	5400000	USD
CY2013Q4	us-gaap	Deferred Compensation Plan Assets DeferredCompensationPlanAssets	155277000	USD
CY2013Q4	us-gaap	Deferred Revenue And Credits Noncurrent DeferredRevenueAndCreditsNoncurrent	58653000	USD
CY2013Q2	us-gaap	Deferred Revenue And Credits Noncurrent DeferredRevenueAndCreditsNoncurrent	42228000	USD
CY2013Q2	us-gaap	Deferred Tax Assets Net Current DeferredTaxAssetsNetCurrent	198525000	USD
CY2013Q4	us-gaap	Deferred Tax Assets Net Current DeferredTaxAssetsNetCurrent	200614000	USD
CY2013Q2	us-gaap	Deferred Tax Assets Net Noncurrent DeferredTaxAssetsNetNoncurrent	114833000	USD
CY2013Q4	us-gaap	Deferred Tax Assets Net Noncurrent DeferredTaxAssetsNetNoncurrent	83727000	USD
CY2013Q4	us-gaap	Deferred Tax Expense From Stock Options Exercised DeferredTaxExpenseFromStockOptionsExercised	1061000	USD
	us-gaap	Deferred Tax Expense From Stock Options Exercised DeferredTaxExpenseFromStockOptionsExercised	3678000	USD
CY2012Q4	us-gaap	Deferred Tax Expense From Stock Options Exercised DeferredTaxExpenseFromStockOptionsExercised	285000	USD
	us-gaap	Deferred Tax Expense From Stock Options Exercised DeferredTaxExpenseFromStockOptionsExercised	1579000	USD
CY2013Q2	us-gaap	Defined Benefit Pension Plan Liabilities Current DefinedBenefitPensionPlanLiabilitiesCurrent	137849000	USD
CY2013Q4	us-gaap	Defined Benefit Pension Plan Liabilities Current DefinedBenefitPensionPlanLiabilitiesCurrent	155433000	USD
CY2013Q4	us-gaap	Defined Benefit Pension Plan Liabilities Noncurrent DefinedBenefitPensionPlanLiabilitiesNoncurrent	57621000	USD
CY2013Q2	us-gaap	Defined Benefit Pension Plan Liabilities Noncurrent DefinedBenefitPensionPlanLiabilitiesNoncurrent	57959000	USD
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	45941000	USD
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	40448000	USD
CY2013Q2	us-gaap	Derivative Asset Fair Value Gross Liability DerivativeAssetFairValueGrossLiability	0	USD
CY2013Q4	us-gaap	Derivative Asset Fair Value Gross Liability DerivativeAssetFairValueGrossLiability	0	USD
CY2013Q2	us-gaap	Derivative Collateral Obligation To Return Cash DerivativeCollateralObligationToReturnCash	0	USD
CY2013Q4	us-gaap	Derivative Collateral Obligation To Return Cash DerivativeCollateralObligationToReturnCash	0	USD
CY2013Q2	us-gaap	Derivative Collateral Obligation To Return Securities DerivativeCollateralObligationToReturnSecurities	1520000	USD
CY2013Q4	us-gaap	Derivative Collateral Obligation To Return Securities DerivativeCollateralObligationToReturnSecurities	708000	USD
CY2013Q2	us-gaap	Derivative Collateral Right To Reclaim Cash DerivativeCollateralRightToReclaimCash	0	USD
CY2013Q4	us-gaap	Derivative Collateral Right To Reclaim Cash DerivativeCollateralRightToReclaimCash	0	USD
CY2013Q2	us-gaap	Derivative Collateral Right To Reclaim Securities DerivativeCollateralRightToReclaimSecurities	1520000	USD
CY2013Q4	us-gaap	Derivative Collateral Right To Reclaim Securities DerivativeCollateralRightToReclaimSecurities	708000	USD
CY2013Q2	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	4016000	USD
CY2013Q4	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	5584000	USD
CY2013Q2	us-gaap	Derivative Fair Value Of Derivative Asset Amount Not Offset Against Collateral DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral	4016000	USD
CY2013Q4	us-gaap	Derivative Fair Value Of Derivative Asset Amount Not Offset Against Collateral DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral	5584000	USD
CY2013Q2	us-gaap	Derivative Fair Value Of Derivative Asset Amount Offset Against Collateral DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral	2496000	USD
CY2013Q4	us-gaap	Derivative Fair Value Of Derivative Asset Amount Offset Against Collateral DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral	4876000	USD
CY2013Q2	us-gaap	Derivative Fair Value Of Derivative Liability DerivativeFairValueOfDerivativeLiability	2173000	USD
CY2013Q4	us-gaap	Derivative Fair Value Of Derivative Liability DerivativeFairValueOfDerivativeLiability	708000	USD
CY2013Q2	us-gaap	Derivative Fair Value Of Derivative Liability Amount Not Offset Against Collateral DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral	2173000	USD
CY2013Q4	us-gaap	Derivative Fair Value Of Derivative Liability Amount Not Offset Against Collateral DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral	708000	USD
CY2013Q2	us-gaap	Derivative Fair Value Of Derivative Liability Amount Offset Against Collateral DerivativeFairValueOfDerivativeLiabilityAmountOffsetAgainstCollateral	653000	USD
CY2013Q4	us-gaap	Derivative Fair Value Of Derivative Liability Amount Offset Against Collateral DerivativeFairValueOfDerivativeLiabilityAmountOffsetAgainstCollateral	0	USD
	us-gaap	Derivative Instruments Gain Loss Reclassified From Accumulated Oci Into Income Effective Portion Net DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet	2538000	USD
CY2012Q4	us-gaap	Derivative Instruments Gain Loss Reclassified From Accumulated Oci Into Income Effective Portion Net DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet	128000	USD
	us-gaap	Derivative Instruments Gain Loss Reclassified From Accumulated Oci Into Income Effective Portion Net DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet	-964000	USD
CY2013Q4	us-gaap	Derivative Instruments Gain Loss Reclassified From Accumulated Oci Into Income Effective Portion Net DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet	22000	USD
	us-gaap	Derivative Instruments Gain Loss Recognized In Other Comprehensive Income Effective Portion Net DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNet	3573000	USD
CY2012Q4	us-gaap	Derivative Instruments Gain Loss Recognized In Other Comprehensive Income Effective Portion Net DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNet	2242000	USD
	us-gaap	Derivative Instruments Gain Loss Recognized In Other Comprehensive Income Effective Portion Net DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNet	2001000	USD
CY2013Q4	us-gaap	Derivative Instruments Gain Loss Recognized In Other Comprehensive Income Effective Portion Net DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNet	3864000	USD
CY2013Q2	us-gaap	Derivative Liability Fair Value Gross Asset DerivativeLiabilityFairValueGrossAsset	0	USD
CY2013Q4	us-gaap	Derivative Liability Fair Value Gross Asset DerivativeLiabilityFairValueGrossAsset	0	USD
CY2013Q2	us-gaap	Due From Related Parties Current DueFromRelatedPartiesCurrent	900000	USD
CY2012Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.64
CY2013Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.84
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.45
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.51
CY2012Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.63
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.43
CY2013Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.83
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.49
	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	-420000	USD
	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	818000	USD
	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.209
CY2012Q4	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.264
	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.247
CY2013Q4	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.212
CY2013Q2	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	195793000	USD
CY2013Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	154092000	USD
CY2013Q4	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	1485000	USD
	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	42091000	USD
CY2012Q4	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	10153000	USD
	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	28024000	USD
	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	13093000	USD
	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	19530000	USD
	us-gaap	Excess Tax Benefit From Share Based Compensation Operating Activities ExcessTaxBenefitFromShareBasedCompensationOperatingActivities	13093000	USD
	us-gaap	Excess Tax Benefit From Share Based Compensation Operating Activities ExcessTaxBenefitFromShareBasedCompensationOperatingActivities	19530000	USD
CY2013Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	255982000	USD
CY2013Q2	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	247565000	USD
CY2013Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	6950000	USD
CY2013Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	26000	USD
CY2013Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	806000	USD
CY2013Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	5564000	USD
CY2013Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	12752000	USD
CY2013Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	282080000	USD
CY2013Q2	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	282080000	USD
CY2013Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	26098000	USD
CY2013Q2	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	34515000	USD
	us-gaap	Gain Loss On Sale Of Other Assets GainLossOnSaleOfOtherAssets	1160000	USD
	us-gaap	Gain Loss On Sale Of Other Assets GainLossOnSaleOfOtherAssets	0	USD
CY2013Q2	us-gaap	Goodwill Goodwill	326635000	USD
CY2013Q4	us-gaap	Goodwill Goodwill	326578000	USD
	dei	Trading Symbol TradingSymbol	klac
CY2013Q2	us-gaap	Goodwill Gross GoodwillGross	604205000	USD
CY2013Q4	us-gaap	Goodwill Gross GoodwillGross	604148000	USD
CY2013Q4	us-gaap	Goodwill Impaired Accumulated Impairment Loss GoodwillImpairedAccumulatedImpairmentLoss	277570000	USD
CY2013Q2	us-gaap	Goodwill Impaired Accumulated Impairment Loss GoodwillImpairedAccumulatedImpairmentLoss	277570000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	321416000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	316609000	USD
CY2012Q4	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	144874000	USD
CY2013Q4	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	176745000	USD
CY2012Q4	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	38244000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	79419000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	66166000	USD
CY2013Q4	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	37499000	USD
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	67241000	USD
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	76204000	USD
	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	25939000	USD
	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-35418000	USD
	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-89583000	USD
	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	50791000	USD
	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	10467000	USD
	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	32743000	USD
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-615000	USD
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	39993000	USD
	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-908000	USD
	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-38631000	USD
CY2013Q2	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	34515000	USD
CY2013Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	26098000	USD
CY2013Q4	us-gaap	Interest And Dividends Payable Current InterestAndDividendsPayableCurrent	8769000	USD
CY2013Q2	us-gaap	Interest And Dividends Payable Current InterestAndDividendsPayableCurrent	8769000	USD
	us-gaap	Interest And Other Income InterestAndOtherIncome	5689000	USD
	us-gaap	Interest And Other Income InterestAndOtherIncome	8546000	USD
CY2012Q4	us-gaap	Interest And Other Income InterestAndOtherIncome	5058000	USD
CY2013Q4	us-gaap	Interest And Other Income InterestAndOtherIncome	2074000	USD
CY2013Q2	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	43413000	USD
CY2013Q4	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	19942000	USD
CY2012Q4	us-gaap	Interest Expense InterestExpense	13431000	USD
	us-gaap	Interest Expense InterestExpense	26934000	USD
	us-gaap	Interest Expense InterestExpense	26973000	USD
CY2013Q4	us-gaap	Interest Expense InterestExpense	13311000	USD
	us-gaap	Interest Paid Net InterestPaidNet	26301000	USD
	us-gaap	Interest Paid Net InterestPaidNet	26915000	USD
CY2013Q2	us-gaap	Inventory Finished Goods InventoryFinishedGoods	47762000	USD
CY2013Q4	us-gaap	Inventory Finished Goods InventoryFinishedGoods	64051000	USD
CY2013Q2	us-gaap	Inventory Net InventoryNet	634448000	USD
CY2013Q4	us-gaap	Inventory Net InventoryNet	663040000	USD
CY2013Q4	us-gaap	Inventory Raw Materials InventoryRawMaterials	229186000	USD
CY2013Q2	us-gaap	Inventory Raw Materials InventoryRawMaterials	229233000	USD
CY2013Q2	us-gaap	Inventory Work In Process InventoryWorkInProcess	176704000	USD
CY2013Q4	us-gaap	Inventory Work In Process InventoryWorkInProcess	176432000	USD
	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	4400000	USD
CY2013Q4	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	2300000	USD
CY2012Q4	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	2400000	USD
	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	4600000	USD
CY2013Q4	us-gaap	Liabilities Liabilities	1890527000	USD
CY2013Q2	us-gaap	Liabilities Liabilities	1805205000	USD
CY2013Q2	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	5287357000	USD
CY2013Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	5440734000	USD
CY2013Q2	us-gaap	Liabilities Current LiabilitiesCurrent	861532000	USD
CY2013Q4	us-gaap	Liabilities Current LiabilitiesCurrent	927999000	USD
CY2013Q4	us-gaap	Marketable Securities Current MarketableSecuritiesCurrent	2157279000	USD
CY2013Q2	us-gaap	Marketable Securities Current MarketableSecuritiesCurrent	1933491000	USD
	us-gaap	Marketable Securities Gain Loss MarketableSecuritiesGainLoss	1447000	USD
	us-gaap	Marketable Securities Gain Loss MarketableSecuritiesGainLoss	1357000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-221319000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-238233000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-69402000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-262788000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	322836000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	292519000	USD
	us-gaap	Net Income Loss NetIncomeLoss	241997000	USD
CY2013Q4	us-gaap	Net Income Loss NetIncomeLoss	139246000	USD
CY2012Q4	us-gaap	Net Income Loss NetIncomeLoss	106630000	USD
	us-gaap	Net Income Loss NetIncomeLoss	250443000	USD
	us-gaap	Noncash Or Part Noncash Acquisition Fixed Assets Acquired1 NoncashOrPartNoncashAcquisitionFixedAssetsAcquired1	0	USD
	us-gaap	Noncash Or Part Noncash Acquisition Fixed Assets Acquired1 NoncashOrPartNoncashAcquisitionFixedAssetsAcquired1	5923000	USD
	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	1
	us-gaap	Operating Income Loss OperatingIncomeLoss	339804000	USD
	us-gaap	Operating Income Loss OperatingIncomeLoss	337893000	USD
CY2013Q4	us-gaap	Operating Income Loss OperatingIncomeLoss	187982000	USD
CY2012Q4	us-gaap	Operating Income Loss OperatingIncomeLoss	153247000	USD
CY2013Q4	us-gaap	Operating Leases Future Minimum Payments Due OperatingLeasesFutureMinimumPaymentsDue	27696000	USD
CY2013Q4	us-gaap	Operating Leases Future Minimum Payments Due Current OperatingLeasesFutureMinimumPaymentsDueCurrent	4093000	USD
CY2013Q4	us-gaap	Operating Leases Future Minimum Payments Due In Five Years OperatingLeasesFutureMinimumPaymentsDueInFiveYears	3261000	USD
CY2013Q4	us-gaap	Operating Leases Future Minimum Payments Due In Four Years OperatingLeasesFutureMinimumPaymentsDueInFourYears	4521000	USD
CY2013Q4	us-gaap	Operating Leases Future Minimum Payments Due In Three Years OperatingLeasesFutureMinimumPaymentsDueInThreeYears	5667000	USD
CY2013Q4	us-gaap	Operating Leases Future Minimum Payments Due In Two Years OperatingLeasesFutureMinimumPaymentsDueInTwoYears	7084000	USD
CY2013Q4	us-gaap	Operating Leases Future Minimum Payments Due Thereafter OperatingLeasesFutureMinimumPaymentsDueThereafter	3070000	USD
CY2013Q2	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	130959000	USD
CY2013Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	121764000	USD
CY2013Q4	us-gaap	Other Assets Current OtherAssetsCurrent	120142000	USD
CY2013Q2	us-gaap	Other Assets Current OtherAssetsCurrent	75039000	USD
CY2013Q2	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	269423000	USD
CY2013Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	254668000	USD
CY2012Q4	us-gaap	Other Comprehensive Income Availableforsale Securities Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent	-1307000	USD
CY2013Q4	us-gaap	Other Comprehensive Income Availableforsale Securities Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent	-374000	USD
	us-gaap	Other Comprehensive Income Availableforsale Securities Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent	1075000	USD
	us-gaap	Other Comprehensive Income Availableforsale Securities Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent	2187000	USD
CY2013Q4	us-gaap	Other Comprehensive Income Availableforsale Securities Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesTaxPortionAttributableToParent	-180000	USD
	us-gaap	Other Comprehensive Income Availableforsale Securities Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesTaxPortionAttributableToParent	1163000	USD
CY2012Q4	us-gaap	Other Comprehensive Income Availableforsale Securities Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesTaxPortionAttributableToParent	-709000	USD
	us-gaap	Other Comprehensive Income Availableforsale Securities Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesTaxPortionAttributableToParent	518000	USD
	us-gaap	Other Comprehensive Income Defined Benefit Plans Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent	-400000	USD
CY2013Q4	us-gaap	Other Comprehensive Income Defined Benefit Plans Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent	-200000	USD
CY2012Q4	us-gaap	Other Comprehensive Income Defined Benefit Plans Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent	-160000	USD
	us-gaap	Other Comprehensive Income Defined Benefit Plans Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent	-317000	USD
	us-gaap	Other Comprehensive Income Defined Benefit Plans Tax Portion Attributable To Parent OtherComprehensiveIncomeDefinedBenefitPlansTaxPortionAttributableToParent	-228000	USD
	us-gaap	Other Comprehensive Income Derivatives Qualifying As Hedges Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToParent	664000	USD
CY2012Q4	us-gaap	Other Comprehensive Income Derivatives Qualifying As Hedges Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToParent	1361000	USD
	us-gaap	Other Comprehensive Income Derivatives Qualifying As Hedges Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToParent	1909000	USD
CY2013Q4	us-gaap	Other Comprehensive Income Derivatives Qualifying As Hedges Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToParent	2465000	USD
CY2013Q4	us-gaap	Other Comprehensive Income Derivatives Qualifying As Hedges Tax Portion Attributable To Parent OtherComprehensiveIncomeDerivativesQualifyingAsHedgesTaxPortionAttributableToParent	1377000	USD
	us-gaap	Other Comprehensive Income Derivatives Qualifying As Hedges Tax Portion Attributable To Parent OtherComprehensiveIncomeDerivativesQualifyingAsHedgesTaxPortionAttributableToParent	1056000	USD
	us-gaap	Other Comprehensive Income Derivatives Qualifying As Hedges Tax Portion Attributable To Parent OtherComprehensiveIncomeDerivativesQualifyingAsHedgesTaxPortionAttributableToParent	371000	USD
CY2012Q4	us-gaap	Other Comprehensive Income Derivatives Qualifying As Hedges Tax Portion Attributable To Parent OtherComprehensiveIncomeDerivativesQualifyingAsHedgesTaxPortionAttributableToParent	753000	USD
	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Before Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentBeforeTaxPortionAttributableToParent	3921000	USD
	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Before Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentBeforeTaxPortionAttributableToParent	5496000	USD
CY2013Q4	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Before Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentBeforeTaxPortionAttributableToParent	-1189000	USD
CY2012Q4	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Before Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentBeforeTaxPortionAttributableToParent	-1126000	USD
CY2012Q4	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent	-2161000	USD
	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent	3147000	USD
CY2013Q4	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent	-648000	USD
	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent	2784000	USD
	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Before Reclassification And Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossBeforeReclassificationAndTax	3921000	USD
CY2012Q4	us-gaap	Other Comprehensive Income Foreign Currency Translation Adjustment Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTranslationAdjustmentTaxPortionAttributableToParent	1035000	USD
	us-gaap	Other Comprehensive Income Foreign Currency Translation Adjustment Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTranslationAdjustmentTaxPortionAttributableToParent	774000	USD
	us-gaap	Other Comprehensive Income Foreign Currency Translation Adjustment Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTranslationAdjustmentTaxPortionAttributableToParent	2712000	USD
CY2013Q4	us-gaap	Other Comprehensive Income Foreign Currency Translation Adjustment Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTranslationAdjustmentTaxPortionAttributableToParent	-541000	USD
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Reclassification Adjustments And Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeReclassificationAdjustmentsAndTax	4797000	USD
	us-gaap	Other Comprehensive Income Loss Before Reclassifications Before Tax OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax	12291000	USD
	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Reclassification Adjustment From Aoci Realized Upon Sale Or Liquidation Before Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationBeforeTax	0	USD
CY2013Q4	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	1643000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	6398000	USD
CY2012Q4	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-1947000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	6085000	USD
	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Reclassification Adjustments And Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsAndTax	0	USD
	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax	-628000	USD
CY2013Q4	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax	-313000	USD
CY2012Q4	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	1048000	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	1447000	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	1356000	USD
CY2013Q4	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	1213000	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax	2538000	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax	-964000	USD
CY2012Q4	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax	128000	USD
CY2013Q4	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax	22000	USD
	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	2536000	USD
CY2012Q4	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax	2242000	USD
	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax	2001000	USD
CY2013Q4	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax	3864000	USD
	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax	3573000	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	2949000	USD
CY2013Q4	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	659000	USD
CY2012Q4	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	-968000	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	4797000	USD
CY2013Q4	us-gaap	Other Inventories Spare Parts OtherInventoriesSpareParts	193371000	USD
CY2013Q2	us-gaap	Other Inventories Spare Parts OtherInventoriesSpareParts	180749000	USD
CY2013Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	495222000	USD
CY2013Q2	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	527049000	USD
CY2013Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	35830000	USD
CY2013Q2	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	36616000	USD
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	136600000	USD
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	120806000	USD
	us-gaap	Payments Of Dividends PaymentsOfDividends	133151000	USD
	us-gaap	Payments Of Dividends PaymentsOfDividends	149600000	USD
CY2013Q4	us-gaap	Payments Of Dividends PaymentsOfDividends	74983000	USD
CY2012Q4	us-gaap	Payments Of Dividends PaymentsOfDividends	66522000	USD
	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	49209000	USD
	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	28432000	USD
	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	823053000	USD
	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	796808000	USD
	us-gaap	Payments To Acquire Other Investments PaymentsToAcquireOtherInvestments	32107000	USD
	us-gaap	Payments To Acquire Other Investments PaymentsToAcquireOtherInvestments	19912000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	36216000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	37363000	USD
CY2013Q4	us-gaap	Prepaid Expense Current PrepaidExpenseCurrent	33023000	USD
CY2013Q2	us-gaap	Prepaid Expense Current PrepaidExpenseCurrent	31997000	USD
CY2013Q2	us-gaap	Prepaid Taxes PrepaidTaxes	25825000	USD
CY2013Q4	us-gaap	Prepaid Taxes PrepaidTaxes	66403000	USD
	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	46857000	USD
	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	78766000	USD
	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans Including Stock Options ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions	20139000	USD
CY2013Q4	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans Including Stock Options ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions	22035000	USD
CY2012Q4	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans Including Stock Options ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions	20139000	USD
	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans Including Stock Options ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions	22035000	USD
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	50889000	USD
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	137182000	USD
	us-gaap	Proceeds From Sale And Maturity Of Marketable Securities ProceedsFromSaleAndMaturityOfMarketableSecurities	30879000	USD
	us-gaap	Proceeds From Sale And Maturity Of Marketable Securities ProceedsFromSaleAndMaturityOfMarketableSecurities	19438000	USD
	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	652468000	USD
	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	520575000	USD
	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	26718000	USD
CY2013Q4	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	15684000	USD
	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	56731000	USD
CY2012Q4	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	3467000	USD
CY2013Q4	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	41599000	USD
CY2012Q3	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	46192000	USD
CY2012Q4	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	41918000	USD
CY2013Q2	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	42603000	USD
CY2013Q3	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	37314000	USD
CY2012Q2	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	46496000	USD
CY2013Q4	us-gaap	Product Warranty Accrual Classified Current ProductWarrantyAccrualClassifiedCurrent	41599000	USD
CY2013Q2	us-gaap	Product Warranty Accrual Classified Current ProductWarrantyAccrualClassifiedCurrent	42603000	USD
	us-gaap	Product Warranty Accrual Payments ProductWarrantyAccrualPayments	20492000	USD
CY2012Q4	us-gaap	Product Warranty Accrual Preexisting Increase Decrease ProductWarrantyAccrualPreexistingIncreaseDecrease	-620000	USD
CY2013Q4	us-gaap	Product Warranty Accrual Payments ProductWarrantyAccrualPayments	9279000	USD
	us-gaap	Product Warranty Accrual Payments ProductWarrantyAccrualPayments	26818000	USD
CY2012Q4	us-gaap	Product Warranty Accrual Payments ProductWarrantyAccrualPayments	13516000	USD
	us-gaap	Product Warranty Accrual Preexisting Increase Decrease ProductWarrantyAccrualPreexistingIncreaseDecrease	1732000	USD
	us-gaap	Product Warranty Accrual Preexisting Increase Decrease ProductWarrantyAccrualPreexistingIncreaseDecrease	-5808000	USD
CY2013Q4	us-gaap	Product Warranty Accrual Preexisting Increase Decrease ProductWarrantyAccrualPreexistingIncreaseDecrease	-2424000	USD
	us-gaap	Product Warranty Accrual Warranties Issued ProductWarrantyAccrualWarrantiesIssued	20508000	USD
	us-gaap	Product Warranty Accrual Warranties Issued ProductWarrantyAccrualWarrantiesIssued	25296000	USD
CY2012Q4	us-gaap	Product Warranty Accrual Warranties Issued ProductWarrantyAccrualWarrantiesIssued	9862000	USD
CY2013Q4	us-gaap	Product Warranty Accrual Warranties Issued ProductWarrantyAccrualWarrantiesIssued	15988000	USD
CY2013Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	865435000	USD
CY2013Q2	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	828822000	USD
CY2013Q2	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	305281000	USD
CY2013Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	325856000	USD
CY2013Q4	us-gaap	Purchase Commitment Remaining Minimum Amount Committed PurchaseCommitmentRemainingMinimumAmountCommitted	262900000	USD
	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Before Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax	3357000	USD
CY2013Q4	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Before Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax	922000	USD
CY2012Q4	us-gaap	Related Party Transaction Expenses From Transactions With Related Party RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty	69000	USD
	us-gaap	Related Party Transaction Expenses From Transactions With Related Party RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty	788000	USD
CY2013Q4	us-gaap	Related Party Transaction Expenses From Transactions With Related Party RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty	332000	USD
	us-gaap	Related Party Transaction Expenses From Transactions With Related Party RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty	2452000	USD
CY2013Q4	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	134587000	USD
	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	266860000	USD
CY2012Q4	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	121608000	USD
	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	241350000	USD
CY2013Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	2386801000	USD
CY2013Q2	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	2359233000	USD
CY2013Q4	us-gaap	Revenue From Related Parties RevenueFromRelatedParties	178000	USD
CY2012Q4	us-gaap	Revenue From Related Parties RevenueFromRelatedParties	1899000	USD
	us-gaap	Revenue From Related Parties RevenueFromRelatedParties	4771000	USD
	us-gaap	Revenue From Related Parties RevenueFromRelatedParties	563000	USD
CY2013Q4	us-gaap	Sales Revenue Goods Net SalesRevenueGoodsNet	544183000	USD
CY2012Q4	us-gaap	Sales Revenue Goods Net SalesRevenueGoodsNet	523023000	USD
	us-gaap	Sales Revenue Goods Net SalesRevenueGoodsNet	1097101000	USD
	us-gaap	Sales Revenue Goods Net SalesRevenueGoodsNet	1045923000	USD
CY2013Q4	us-gaap	Sales Revenue Net SalesRevenueNet	705129000	USD
	us-gaap	Sales Revenue Net SalesRevenueNet	1363466000	USD
CY2012Q4	us-gaap	Sales Revenue Net SalesRevenueNet	673011000	USD
	us-gaap	Sales Revenue Net SalesRevenueNet	1393720000	USD
CY2012Q4	us-gaap	Sales Revenue Services Net SalesRevenueServicesNet	149988000	USD
	us-gaap	Sales Revenue Services Net SalesRevenueServicesNet	317543000	USD
	us-gaap	Sales Revenue Services Net SalesRevenueServicesNet	296619000	USD
CY2013Q4	us-gaap	Sales Revenue Services Net SalesRevenueServicesNet	160946000	USD
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.302
	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	191426000	USD
CY2013Q4	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	96746000	USD
CY2012Q4	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	94241000	USD
	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	195242000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	33942000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	34089000	USD
CY2013Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Award Vesting Period1 ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1	P5Y
CY2013Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Discount From Market Price Offering Date ShareBasedCompensationArrangementByShareBasedPaymentAwardDiscountFromMarketPriceOfferingDate	0.85
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeited In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod	124000	shares
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeitures Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue	35.23
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod	698000	shares
	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	46.41
CY2012Q4	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	41.85
	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	53.27
CY2013Q4	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	62.85
CY2013Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber	5374000	shares
CY2013Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber	3613000	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	34.39
CY2013Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue	39.17
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod	1508000	shares
	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	32.60
CY2012Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0.033
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0.033
CY2013Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0.029
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0.029
CY2013Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.291
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.291
CY2012Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.302
CY2012Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.001
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.001
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.001
CY2013Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.001
CY2013Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Maximum Employee Subscription Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardMaximumEmployeeSubscriptionRate	0.10
CY2013Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant	6696000	shares
CY2013Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant	8567000	shares
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	11314000	USD
CY2012Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	847000	USD
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	4774000	USD
CY2013Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	3431000	USD
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Expirations In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod	35000	shares
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod	44000	shares
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice	51.76
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod	0	shares
CY2013Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	472000	shares
CY2013Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	1663000	shares
CY2013Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	48.97
CY2013Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	43.94
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Shares Purchased For Award ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesPurchasedForAward	469000	shares
CY2012Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Shares Purchased For Award ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesPurchasedForAward	496000	shares
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Shares Purchased For Award ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesPurchasedForAward	496000	shares
CY2013Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Shares Purchased For Award ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesPurchasedForAward	469000	shares
	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	50.94
	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	0.00
	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P6M
CY2012Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P6M
	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P6M
CY2013Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P6M
CY2013Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	9700000	USD
	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P0Y7M
	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	1147000	shares
CY2013Q4	us-gaap	Stock Repurchase Program Number Of Shares Authorized To Be Repurchased StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased	80800000	shares
CY2013Q4	us-gaap	Stock Repurchase Program Remaining Number Of Shares Authorized To Be Repurchased StockRepurchaseProgramRemainingNumberOfSharesAuthorizedToBeRepurchased	3900000	shares
CY2013Q4	us-gaap	Stockholders Equity StockholdersEquity	3550207000	USD
CY2013Q2	us-gaap	Stockholders Equity StockholdersEquity	3482152000	USD
CY2013Q4	us-gaap	Taxes Payable Current TaxesPayableCurrent	13565000	USD
CY2013Q2	us-gaap	Taxes Payable Current TaxesPayableCurrent	11076000	USD
	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	1997000	shares
CY2013Q4	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	959000	shares
CY2012Q4	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	1465000	shares
	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	2826000	shares
CY2012Q4	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	68283000	USD
CY2013Q4	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	60302000	USD
	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	136600000	USD
	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	120806000	USD
	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	7200000	USD
CY2013Q4	us-gaap	Unsecured Long Term Debt UnsecuredLongTermDebt	747647000	USD
CY2013Q2	us-gaap	Unsecured Long Term Debt UnsecuredLongTermDebt	747376000	USD
	us-gaap	Use Of Estimates UseOfEstimates	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:12px;text-indent:32px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-weight:bold;">Management Estimates.</font><font style="font-family:inherit;font-size:10pt;"> The preparation of the condensed consolidated financial statements in conformity with accounting principles generally accepted in the United States of America requires management to make estimates and assumptions in applying the Company's accounting policies that affect the reported amounts of assets and liabilities (and related disclosure of contingent assets and liabilities) at the date of the condensed consolidated financial statements and the reported amounts of revenues and expenses during the reporting periods. Actual results could differ from those estimates.</font></div></div>
	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	2328000	shares
CY2013Q4	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	1792000	shares
	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	3070000	shares
CY2012Q4	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	2808000	shares
CY2012Q4	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	169076000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	169702000	shares
CY2013Q4	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	168206000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	168478000	shares
CY2013Q4	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	166414000	shares
CY2012Q4	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	166268000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	166150000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	166632000	shares
CY2013Q4	klac	Accumulated Other Comprehensive Income Loss Cumulative Changes In Net Gain Loss Form Cash Flow Hedges AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFormCashFlowHedges	3519000	USD
CY2012Q2	klac	Accumulated Other Comprehensive Income Loss Cumulative Changes In Net Gain Loss Form Cash Flow Hedges AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFormCashFlowHedges	-962000	USD
CY2012Q4	klac	Accumulated Other Comprehensive Income Loss Cumulative Changes In Net Gain Loss Form Cash Flow Hedges AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFormCashFlowHedges	2003000	USD
CY2012Q3	klac	Accumulated Other Comprehensive Income Loss Cumulative Changes In Net Gain Loss Form Cash Flow Hedges AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFormCashFlowHedges	-111000	USD
CY2013Q3	klac	Accumulated Other Comprehensive Income Loss Cumulative Changes In Net Gain Loss Form Cash Flow Hedges AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFormCashFlowHedges	-323000	USD
CY2013Q2	klac	Accumulated Other Comprehensive Income Loss Cumulative Changes In Net Gain Loss Form Cash Flow Hedges AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFormCashFlowHedges	2484000	USD
CY2013Q4	klac	Available For Sale Securities And Cash Equivalents Amortized Cost AvailableForSaleSecuritiesAndCashEquivalentsAmortizedCost	2805508000	USD
CY2013Q2	klac	Available For Sale Securities And Cash Equivalents Amortized Cost AvailableForSaleSecuritiesAndCashEquivalentsAmortizedCost	2750942000	USD
CY2013Q4	klac	Available For Sale Securities And Cash Equivalents Fair Value Disclosure AvailableForSaleSecuritiesAndCashEquivalentsFairValueDisclosure	2807928000	USD
CY2013Q2	klac	Available For Sale Securities And Cash Equivalents Fair Value Disclosure AvailableForSaleSecuritiesAndCashEquivalentsFairValueDisclosure	2750011000	USD
CY2013Q4	klac	Available For Sale Securities Cash Equivalents Gross Unrealized Gains AvailableForSaleSecuritiesCashEquivalentsGrossUnrealizedGains	3758000	USD
CY2013Q2	klac	Available For Sale Securities Cash Equivalents Gross Unrealized Gains AvailableForSaleSecuritiesCashEquivalentsGrossUnrealizedGains	3071000	USD
CY2013Q4	klac	Available For Sale Securities Cash Equivalents Gross Unrealized Loss AvailableForSaleSecuritiesCashEquivalentsGrossUnrealizedLoss	1338000	USD
CY2013Q2	klac	Available For Sale Securities Cash Equivalents Gross Unrealized Loss AvailableForSaleSecuritiesCashEquivalentsGrossUnrealizedLoss	4002000	USD
	klac	Cash Equivalent Gross Unrealized Loss CashEquivalentGrossUnrealizedLoss	0	USD
CY2013	klac	Cash Equivalent Gross Unrealized Loss CashEquivalentGrossUnrealizedLoss	0	USD
	klac	Cash Equivalents Gross Unrealized Gains CashEquivalentsGrossUnrealizedGains	0	USD
CY2013	klac	Cash Equivalents Gross Unrealized Gains CashEquivalentsGrossUnrealizedGains	0	USD
CY2013Q4	klac	Cash Equivalents Net Of Unrealized Gains And Losses CashEquivalentsNetOfUnrealizedGainsAndLosses	670591000	USD
CY2013Q2	klac	Cash Equivalents Net Of Unrealized Gains And Losses CashEquivalentsNetOfUnrealizedGainsAndLosses	859933000	USD
	klac	Continuous Loss Position Not Exceeding This Period ContinuousLossPositionNotExceedingThisPeriod	P12M
CY2008Q2	klac	Debt Instruments Maturity Date DebtInstrumentsMaturityDate	2018
CY2013Q2	klac	Deferred System Profit DeferredSystemProfit	157965000	USD
CY2013Q4	klac	Deferred System Profit DeferredSystemProfit	243603000	USD
	klac	Employee Stock Purchase Plan Offering Period EmployeeStockPurchasePlanOfferingPeriod	P6M
CY2013Q4	klac	Espp Maximum Annual Share Replenishment EsppMaximumAnnualShareReplenishment	2000000	shares
CY2013Q4	klac	Estimated Effective Tax Rate EstimatedEffectiveTaxRate	0.214
	klac	Goodwill Purchased Intangible Asset And Long Lived Asset Impairment Charges GoodwillPurchasedIntangibleAssetAndLongLivedAssetImpairmentCharges	1374000	USD
	klac	Goodwill Purchased Intangible Asset And Long Lived Asset Impairment Charges GoodwillPurchasedIntangibleAssetAndLongLivedAssetImpairmentCharges	1327000	USD
	klac	Guarantee Arrangements To Fund Customs Guarantees For Vat And Lc GuaranteeArrangementsToFundCustomsGuaranteesForVatAndLc	26500000	USD
CY2013Q4	klac	Impact On Share Reserve Multiplier ImpactOnShareReserveMultiplier	1.8
CY2013Q4	klac	Impact On Share Reserve Multiplier ImpactOnShareReserveMultiplier	2.0
	klac	Increase Decrease In Deferred System Profit IncreaseDecreaseInDeferredSystemProfit	9557000	USD
	klac	Increase Decrease In Deferred System Profit IncreaseDecreaseInDeferredSystemProfit	85638000	USD
CY2013Q4	klac	Long Term Incentive Plan Approved Amount LongTermIncentivePlanApprovedAmount	63400000	USD
CY2013Q4	klac	Long Term Incentive Plan Committed Amount LongTermIncentivePlanCommittedAmount	108700000	USD
CY2013Q2	klac	Number Of Customers With Significant Accounts Receivable Balance NumberOfCustomersWithSignificantAccountsReceivableBalance	2	Customers
CY2013Q4	klac	Number Of Customers With Significant Accounts Receivable Balance NumberOfCustomersWithSignificantAccountsReceivableBalance	3	Customers
CY2013Q4	klac	Number Of Customers With Significant Revenue NumberOfCustomersWithSignificantRevenue	4	Customers
CY2012Q4	klac	Number Of Customers With Significant Revenue NumberOfCustomersWithSignificantRevenue	1	Customers
CY2013Q4	klac	Other Current Assets OtherCurrentAssets	20716000	USD
CY2013Q2	klac	Other Current Assets OtherCurrentAssets	17217000	USD
	klac	Number Of Customers With Significant Revenue NumberOfCustomersWithSignificantRevenue	2	Customers
	klac	Number Of Customers With Significant Revenue NumberOfCustomersWithSignificantRevenue	3	Customers
CY2013Q4	klac	Number Of Espp Shares Available For Future Issuance NumberOfEsppSharesAvailableForFutureIssuance	1200000	shares
CY2013Q4	klac	Offer To Repurchase Senior Note Percent Of Principal Amount OfferToRepurchaseSeniorNotePercentOfPrincipalAmount	1.01
CY2013Q2	klac	Other Non Current Assets OtherNonCurrentAssets	18129000	USD
CY2013Q4	klac	Other Non Current Assets OtherNonCurrentAssets	15664000	USD
	klac	Outstanding Guarantee Arrangements To Fund Customs Guarantees For Vat And Lc OutstandingGuaranteeArrangementsToFundCustomsGuaranteesForVatAndLc	24600000	USD
	klac	Outstanding Inventory Purchase Commitment OutstandingInventoryPurchaseCommitment	P12M
CY2013Q4	klac	Percentage Of Customers Accounted For Net Accounts Receivable PercentageOfCustomersAccountedForNetAccountsReceivable	0.1
CY2013Q2	klac	Percentage Of Customers Accounted For Net Accounts Receivable PercentageOfCustomersAccountedForNetAccountsReceivable	0.1
CY2013Q4	klac	Percentage Of Customers Accounted For Total Revenue PercentageOfCustomersAccountedForTotalRevenue	0.10
	klac	Percentage Of Customers Accounted For Total Revenue PercentageOfCustomersAccountedForTotalRevenue	0.10
	klac	Proceedsfromthe Saleof Other Assets ProceedsfromtheSaleofOtherAssets	0	USD
	klac	Proceedsfromthe Saleof Other Assets ProceedsfromtheSaleofOtherAssets	1838000	USD
CY2013Q4	klac	Receivables Sold Under Factoring Agreements ReceivablesSoldUnderFactoringAgreements	10412000	USD
	klac	Receivables Sold Under Factoring Agreements ReceivablesSoldUnderFactoringAgreements	56294000	USD
CY2012Q4	klac	Receivables Sold Under Factoring Agreements ReceivablesSoldUnderFactoringAgreements	37026000	USD
	klac	Receivables Sold Under Factoring Agreements ReceivablesSoldUnderFactoringAgreements	85560000	USD
	klac	Segment Percent Of Total Revenue SegmentPercentOfTotalRevenue	1.00
CY2012Q4	klac	Segment Percent Of Total Revenue SegmentPercentOfTotalRevenue	1.00
	klac	Segment Percent Of Total Revenue SegmentPercentOfTotalRevenue	1.00
CY2013Q4	klac	Segment Percent Of Total Revenue SegmentPercentOfTotalRevenue	1.00
	klac	Share Based Compensation Arrangement By Share Based Payment Award Equity Instrument Other Than Options Traded For Taxes Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentOtherThanOptionsTradedForTaxesPeriodWeightedAverageGrantDateFairValue	32.60
CY2013Q4	klac	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingIntrinsicValue	232900000	USD
	klac	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Withheld For Taxes ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsWithheldForTaxes	827000	shares
CY2013Q4	klac	Share Based Compensation Arrangement By Share Based Payment Award Maximum Years To Exercise ShareBasedCompensationArrangementByShareBasedPaymentAwardMaximumYearsToExercise	P7Y
	klac	Sharebased Compensation Arrangementby Sharebased Payment Award Increase Decreasein Numberof Shares Availablefor Grant SharebasedCompensationArrangementbySharebasedPaymentAwardIncreaseDecreaseinNumberofSharesAvailableforGrant	2900000	shares
CY2013Q4	klac	Standard Warranty Coverage StandardWarrantyCoverage	P12M
CY2013Q4	klac	Standard Warranty Coverage In Hours Per Week StandardWarrantyCoverageInHoursPerWeek	40 hours
CY2013Q2	klac	Stock Based Compensation Capitalized As Inventory StockBasedCompensationCapitalizedAsInventory	8098000	USD
CY2013Q4	klac	Stock Based Compensation Capitalized As Inventory StockBasedCompensationCapitalizedAsInventory	8338000	USD
CY2012Q4	klac	Tax Benefits From Espp TaxBenefitsFromEspp	68000	USD
	klac	Tax Benefits From Espp TaxBenefitsFromEspp	873000	USD
CY2013Q4	klac	Tax Benefits From Espp TaxBenefitsFromEspp	87000	USD
	klac	Tax Benefits From Espp TaxBenefitsFromEspp	674000	USD
	klac	Weighted Average Fair Value Per Share WeightedAverageFairValuePerShare	11.80
CY2012Q4	klac	Weighted Average Fair Value Per Share WeightedAverageFairValuePerShare	10.54
	klac	Weighted Average Fair Value Per Share WeightedAverageFairValuePerShare	10.54
CY2013Q4	klac	Weighted Average Fair Value Per Share WeightedAverageFairValuePerShare	11.80
	dei	Amendment Flag AmendmentFlag	false
	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--06-30
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q2
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2014
	dei	Document Period End Date DocumentPeriodEndDate	2013-12-31
	dei	Document Type DocumentType	10-Q
	dei	Entity Central Index Key EntityCentralIndexKey	0000319201
CY2014Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	166577223	shares
	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
	dei	Entity Registrant Name EntityRegistrantName	KLA TENCOR CORP

Files In Submission

Name	View Source	Status
0000319201-14-000007-index-headers.html	Edgar Link	pending
0000319201-14-000007-index.html	Edgar Link	pending
0000319201-14-000007.txt	Edgar Link	pending
0000319201-14-000007-xbrl.zip	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xls	Edgar Link	pending
Financial_Report.xlsx	Edgar Link	pending
klac-20131231.xml	Edgar Link	completed
klac-20131231.xsd	Edgar Link	pending
klac-20131231_cal.xml	Edgar Link	unprocessable
klac-20131231_def.xml	Edgar Link	unprocessable
klac-20131231_lab.xml	Edgar Link	unprocessable
klac-20131231_pre.xml	Edgar Link	unprocessable
klac10q123113.htm	Edgar Link	pending
klac10qex311123113.htm	Edgar Link	pending
klac10qex312123113.htm	Edgar Link	pending
klac10qex32123113.htm	Edgar Link	pending
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R9.htm	Edgar Link	pending
report.css	Edgar Link	pending
Show.js	Edgar Link	pending

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$KLAC
KLA CORP Stock $klac

2013 Q4 Form 10-Q Financial Statement

#000031920114000007 Filed on January 24, 2014

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$KLAC KLA CORP Stock $klac

2013 Q4 Form 10-Q Financial Statement

#000031920114000007 Filed on January 24, 2014

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$KLAC
KLA CORP Stock $klac