$KLAC
KLA CORP Stock $klac

$klac Overview Financials Valuation SEC Filings Company Website

2011 Q4 Form 10-Q Financial Statement

#000031920112000003 Filed on January 27, 2012

Income Statement

Concept	2011 Q4	2010 Q4
Revenue	$642.5M	$766.3M
YoY Change	-16.16%	74.02%
Cost Of Revenue	$272.9M	$311.4M
YoY Change	-12.38%	50.22%
Gross Profit	$369.6M	$454.9M
YoY Change	-18.75%	95.19%
Gross Profit Margin	57.53%	59.36%
Selling, General & Admin	$93.80M	$91.17M
YoY Change	2.89%	-11.23%
% of Gross Profit	25.38%	20.04%
Research & Development	$116.4M	$94.90M
YoY Change	22.62%	13.92%
% of Gross Profit	31.48%	20.86%
Depreciation & Amortization	$23.30M	$21.60M
YoY Change	7.87%	-7.3%
% of Gross Profit	6.3%	4.75%
Operating Expenses	$210.2M	$186.1M
YoY Change	12.95%	0.03%
Operating Profit	$159.5M	$268.9M
YoY Change	-40.69%	470.9%
Interest Expense	$13.30M	$13.49M
YoY Change	-1.46%	-248.27%
% of Operating Profit	8.34%	5.02%
Other Income/Expense, Net	$700.0K	-$4.200M
YoY Change	-116.67%
Pretax Income	$146.9M	$251.2M
YoY Change	-41.52%	561.03%
Income Tax	$36.11M	$65.70M
% Of Pretax Income	24.58%	26.15%
Net Earnings	$110.8M	$185.5M
YoY Change	-40.27%	751.11%
Net Earnings / Revenue	17.25%	24.21%
Basic Earnings Per Share	$0.67	$1.11
Diluted Earnings Per Share	$0.66	$1.09
COMMON SHARES
Basic Shares Outstanding	166.3M shares	166.9M shares
Diluted Shares Outstanding	169.1M shares	169.5M shares

Balance Sheet

Concept	2011 Q4	2010 Q4
SHORT-TERM ASSETS
Cash & Short-Term Investments	$2.177B	$1.636B
YoY Change	33.01%	7.5%
Cash & Equivalents	$825.0M	$596.1M
Short-Term Investments	$1.352B	$1.040B
Other Short-Term Assets	$92.47M	$400.2M
YoY Change	-76.89%	24.21%
Inventory	$639.6M	$504.7M
Prepaid Expenses	$56.79M
Receivables	$544.1M	$531.5M
Other Receivables	$11.50M	$53.40M
Total Short-Term Assets	$3.749B	$3.126B
YoY Change	19.92%	20.83%
LONG-TERM ASSETS
Property, Plant & Equipment	$267.6M	$249.5M
YoY Change	7.27%	-4.73%
Goodwill	$327.8M
YoY Change
Intangibles	$70.22M
YoY Change
Long-Term Investments		$143.3M
YoY Change		3.02%
Other Assets	$286.3M	$219.3M
YoY Change	30.54%	-19.08%
Total Long-Term Assets	$347.8M	$1.042B
YoY Change	-66.62%	-8.45%
TOTAL ASSETS
Total Short-Term Assets	$3.749B	$3.126B
Total Long-Term Assets	$347.8M	$1.042B
Total Assets	$4.701B	$4.169B
YoY Change	12.77%	11.89%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$129.1M	$123.2M
YoY Change	4.76%	40.64%
Accrued Expenses	$442.0M	$374.7M
YoY Change	17.96%	17.09%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00
YoY Change
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$830.0M	$793.9M
YoY Change	4.54%	29.49%
LONG-TERM LIABILITIES
Long-Term Debt	$746.6M	$746.0M
YoY Change	0.08%	0.07%
Other Long-Term Liabilities	$80.36M	$162.3M
YoY Change	-50.49%	15.76%
Total Long-Term Liabilities	$80.36M	$908.3M
YoY Change	-91.15%	2.55%
TOTAL LIABILITIES
Total Short-Term Liabilities	$830.0M	$793.9M
Total Long-Term Liabilities	$80.36M	$908.3M
Total Liabilities	$1.733B	$1.702B
YoY Change	1.78%	13.57%
SHAREHOLDERS EQUITY
Retained Earnings	$1.928B
YoY Change
Common Stock
YoY Change
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$2.968B	$2.466B
YoY Change
Total Liabilities & Shareholders Equity	$4.701B	$4.169B
YoY Change	12.77%	11.89%

Cashflow Statement

Concept	2011 Q4	2010 Q4
OPERATING ACTIVITIES
Net Income	$110.8M	$185.5M
YoY Change	-40.27%	751.11%
Depreciation, Depletion And Amortization	$23.30M	$21.60M
YoY Change	7.87%	-7.3%
Cash From Operating Activities	$187.2M	$194.0M
YoY Change	-3.51%	18.51%
INVESTING ACTIVITIES
Capital Expenditures	-$14.90M	-$11.50M
YoY Change	29.57%	6.48%
Acquisitions
YoY Change
Other Investing Activities	$3.000M	-$46.00M
YoY Change	-106.52%	-68.47%
Cash From Investing Activities	-$11.90M	-$57.60M
YoY Change	-79.34%	-63.22%
FINANCING ACTIVITIES
Cash Dividend Paid	$58.10M	$41.80M
YoY Change	39.0%
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-93.80M	-80.80M
YoY Change	16.09%	421.29%
NET CHANGE
Cash From Operating Activities	187.2M	194.0M
Cash From Investing Activities	-11.90M	-57.60M
Cash From Financing Activities	-93.80M	-80.80M
Net Change In Cash	81.50M	55.60M
YoY Change	46.58%	-761.9%
FREE CASH FLOW
Cash From Operating Activities	$187.2M	$194.0M
Capital Expenditures	-$14.90M	-$11.50M
Free Cash Flow	$202.1M	$205.5M
YoY Change	-1.65%	17.77%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2011Q2	us-gaap	Accounts Payable Current AccountsPayableCurrent	142945000	USD
CY2011Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	129064000	USD
CY2011Q4	us-gaap	Accounts Receivable Gross Current AccountsReceivableGrossCurrent	566299000	USD
CY2011Q2	us-gaap	Accounts Receivable Gross Current AccountsReceivableGrossCurrent	605376000	USD
CY2011Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	544098000	USD
CY2011Q2	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	583270000	USD
CY2011Q4	us-gaap	Accrued Income Taxes Noncurrent AccruedIncomeTaxesNoncurrent	38736000	USD
CY2011Q2	us-gaap	Accrued Income Taxes Noncurrent AccruedIncomeTaxesNoncurrent	78337000	USD
CY2011Q2	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	493167000	USD
CY2011Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	506548000	USD
CY2010Q3	us-gaap	Accumulated Other Comprehensive Income Loss Cumulative Changes In Net Gain Loss From Cash Flow Hedges Effect Net Of Tax AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax	-646000	USD
	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	1222000	USD
CY2010Q4	us-gaap	Accumulated Other Comprehensive Income Loss Cumulative Changes In Net Gain Loss From Cash Flow Hedges Effect Net Of Tax AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax	-2077000	USD
CY2011Q4	us-gaap	Accumulated Other Comprehensive Income Loss Cumulative Changes In Net Gain Loss From Cash Flow Hedges Effect Net Of Tax AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax	-480000	USD
CY2011Q2	us-gaap	Accumulated Other Comprehensive Income Loss Cumulative Changes In Net Gain Loss From Cash Flow Hedges Effect Net Of Tax AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax	12000	USD
CY2010Q2	us-gaap	Accumulated Other Comprehensive Income Loss Cumulative Changes In Net Gain Loss From Cash Flow Hedges Effect Net Of Tax AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax	-1994000	USD
CY2011Q3	us-gaap	Accumulated Other Comprehensive Income Loss Cumulative Changes In Net Gain Loss From Cash Flow Hedges Effect Net Of Tax AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax	-959000	USD
CY2011Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-10712000	USD
CY2011Q2	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-2399000	USD
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	43644000	USD
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	40142000	USD
CY2010Q4	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	19431000	USD
CY2011Q4	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	19646000	USD
CY2011Q2	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	22106000	USD
CY2011Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	22201000	USD
CY2011Q4	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	3610000	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	9602000	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	4338000	shares
CY2010Q4	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	8622000	shares
CY2011Q2	us-gaap	Assets Assets	4675521000	USD
CY2011Q4	us-gaap	Assets Assets	4700988000	USD
CY2011Q2	us-gaap	Assets Current AssetsCurrent	3676010000	USD
CY2011Q4	us-gaap	Assets Current AssetsCurrent	3749059000	USD
CY2011Q2	us-gaap	Assets Noncurrent AssetsNoncurrent	353652000	USD
CY2011Q4	us-gaap	Assets Noncurrent AssetsNoncurrent	347846000	USD
CY2011Q4	us-gaap	Available For Sale Securities Amortized Cost AvailableForSaleSecuritiesAmortizedCost	1348596000	USD
CY2011Q2	us-gaap	Available For Sale Securities Amortized Cost AvailableForSaleSecuritiesAmortizedCost	1321037000	USD
CY2011Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	465442000	USD
CY2011Q4	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost	1021241000	USD
CY2011Q4	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	1023269000	USD
CY2011Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost	327355000	USD
CY2011Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	328390000	USD
CY2011Q4	us-gaap	Available For Sale Securities Fair Value Disclosure AvailableForSaleSecuritiesFairValueDisclosure	1351659000	USD
CY2011Q2	us-gaap	Available For Sale Securities Fair Value Disclosure AvailableForSaleSecuritiesFairValueDisclosure	1327206000	USD
CY2011Q4	us-gaap	Available For Sale Securities Gross Unrealized Losses1 AvailableForSaleSecuritiesGrossUnrealizedLosses1	1561000	USD
CY2011Q2	us-gaap	Available For Sale Securities Gross Unrealized Losses1 AvailableForSaleSecuritiesGrossUnrealizedLosses1	543000	USD
CY2011Q4	us-gaap	Availableforsale Securities Continuous Unrealized Loss Position12 Months Or Longer Aggregate Losses1 AvailableforsaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAggregateLosses1	0	USD
CY2011Q4	us-gaap	Availableforsale Securities Continuous Unrealized Loss Position Less Than12 Months Aggregate Losses1 AvailableforsaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAggregateLosses1	1561000	USD
CY2010	us-gaap	Availableforsale Securities Debt Maturity Date Range High AvailableforsaleSecuritiesDebtMaturityDateRangeHigh	30
CY2010	us-gaap	Availableforsale Securities Debt Maturity Date Range Low AvailableforsaleSecuritiesDebtMaturityDateRangeLow	20
CY2011Q4	us-gaap	Availableforsale Securities Gross Unrealized Gain AvailableforsaleSecuritiesGrossUnrealizedGain	4624000	USD
CY2011Q2	us-gaap	Availableforsale Securities Gross Unrealized Gain AvailableforsaleSecuritiesGrossUnrealizedGain	6712000	USD
CY2010	us-gaap	Availableforsale Securities Sold At Par AvailableforsaleSecuritiesSoldAtPar	16800000	USD
	us-gaap	Proceeds From Lines Of Credit ProceedsFromLinesOfCredit	4510000	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 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, 2011</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 5, 2011</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 three and </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">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, 2011</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, 2012</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>
CY2011Q2	us-gaap	Cash Cash	165900000	USD
CY2011Q4	us-gaap	Cash Cash	192400000	USD
CY2011Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	824986000	USD
CY2011Q2	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	711329000	USD
CY2010Q2	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	529918000	USD
CY2010Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	596104000	USD
	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	66186000	USD
	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	113657000	USD
CY2011Q4	us-gaap	Cash Equivalents At Carrying Value CashEquivalentsAtCarryingValue	632585000	USD
CY2011Q2	us-gaap	Cash Equivalents At Carrying Value CashEquivalentsAtCarryingValue	545475000	USD
CY2011Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2011Q2	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.70
	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.50
CY2010Q4	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.25
CY2011Q4	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.35
CY2011Q2	us-gaap	Common Stock Including Additional Paid In Capital CommonStockIncludingAdditionalPaidInCapital	1010659000	USD
CY2011Q4	us-gaap	Common Stock Including Additional Paid In Capital CommonStockIncludingAdditionalPaidInCapital	1050788000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	357609000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	294479000	USD
CY2011Q4	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	107050000	USD
CY2010Q4	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	187220000	USD
CY2011Q4	us-gaap	Concentration Risk Percentage ConcentrationRiskPercentage	0.10
CY2011Q2	us-gaap	Construction In Progress Gross ConstructionInProgressGross	6979000	USD
CY2011Q4	us-gaap	Construction In Progress Gross ConstructionInProgressGross	7810000	USD
	us-gaap	Cost Of Revenue CostOfRevenue	575367000	USD
CY2011Q4	us-gaap	Cost Of Revenue CostOfRevenue	272855000	USD
	us-gaap	Cost Of Revenue CostOfRevenue	613204000	USD
CY2010Q4	us-gaap	Cost Of Revenue CostOfRevenue	311398000	USD
CY2011Q4	us-gaap	Costs And Expenses CostsAndExpenses	483019000	USD
CY2010Q4	us-gaap	Costs And Expenses CostsAndExpenses	497461000	USD
	us-gaap	Costs And Expenses CostsAndExpenses	944187000	USD
	us-gaap	Costs And Expenses CostsAndExpenses	1025206000	USD
CY2008Q2	us-gaap	Debt Instrument Face Amount DebtInstrumentFaceAmount	750000000	USD
CY2011Q2	us-gaap	Debt Instrument Fair Value DebtInstrumentFairValue	863500000	USD
CY2011Q4	us-gaap	Debt Instrument Fair Value DebtInstrumentFairValue	870500000	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
CY2008Q2	us-gaap	Debt Instrument Interest Rate Stated Percentage DebtInstrumentInterestRateStatedPercentage	0.0690
CY2008Q2	us-gaap	Debt Instrument Unamortized Discount DebtInstrumentUnamortizedDiscount	5400000	USD
CY2011Q2	us-gaap	Deferred Compensation Plan Assets DeferredCompensationPlanAssets	128033000	USD
CY2011Q4	us-gaap	Deferred Compensation Plan Assets DeferredCompensationPlanAssets	122023000	USD
CY2011Q2	us-gaap	Deferred Revenue And Credits Current DeferredRevenueAndCreditsCurrent	44264000	USD
CY2011Q4	us-gaap	Deferred Revenue And Credits Current DeferredRevenueAndCreditsCurrent	48165000	USD
CY2011Q4	us-gaap	Deferred Revenue And Credits Noncurrent DeferredRevenueAndCreditsNoncurrent	36881000	USD
CY2011Q2	us-gaap	Deferred Revenue And Credits Noncurrent DeferredRevenueAndCreditsNoncurrent	34905000	USD
CY2011Q4	us-gaap	Deferred Tax Assets Net Current DeferredTaxAssetsNetCurrent	296206000	USD
CY2011Q2	us-gaap	Deferred Tax Assets Net Current DeferredTaxAssetsNetCurrent	331397000	USD
CY2011Q2	us-gaap	Deferred Tax Assets Net Noncurrent DeferredTaxAssetsNetNoncurrent	173788000	USD
CY2011Q4	us-gaap	Deferred Tax Assets Net Noncurrent DeferredTaxAssetsNetNoncurrent	140168000	USD
CY2011Q2	us-gaap	Defined Benefit Pension Plan Liabilities Current DefinedBenefitPensionPlanLiabilitiesCurrent	128088000	USD
CY2011Q4	us-gaap	Defined Benefit Pension Plan Liabilities Current DefinedBenefitPensionPlanLiabilitiesCurrent	121612000	USD
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	42436000	USD
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	46451000	USD
CY2011Q4	us-gaap	Derivative Average Remaining Maturity DerivativeAverageRemainingMaturity	18
CY2011Q4	us-gaap	Derivative Higher Remaining Maturity Range DerivativeHigherRemainingMaturityRange	3
	us-gaap	Derivative Instruments Gain Loss Reclassified From Accumulated Oci Into Income Effective Portion Net DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet	-925000	USD
	us-gaap	Derivative Instruments Gain Loss Reclassified From Accumulated Oci Into Income Effective Portion Net DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet	-1157000	USD
CY2010Q4	us-gaap	Derivative Instruments Gain Loss Reclassified From Accumulated Oci Into Income Effective Portion Net DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet	-222000	USD
CY2011Q4	us-gaap	Derivative Instruments Gain Loss Reclassified From Accumulated Oci Into Income Effective Portion Net DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet	-702000	USD
	us-gaap	Derivative Instruments Gain Loss Recognized In Other Comprehensive Income Effective Portion Net DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNet	-1417000	USD
CY2010Q4	us-gaap	Derivative Instruments Gain Loss Recognized In Other Comprehensive Income Effective Portion Net DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNet	-1653000	USD
CY2011Q4	us-gaap	Derivative Instruments Gain Loss Recognized In Other Comprehensive Income Effective Portion Net DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNet	-223000	USD
	us-gaap	Derivative Instruments Gain Loss Recognized In Other Comprehensive Income Effective Portion Net DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNet	-1240000	USD
CY2011Q2	us-gaap	Due From Related Parties Current DueFromRelatedPartiesCurrent	200000	USD
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.03
CY2011Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.67
CY2010Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.11
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.82
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.00
CY2010Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.09
CY2011Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.66
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.78
	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	11416000	USD
	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	-5003000	USD
CY2011Q4	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.246
	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.284
CY2010Q4	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.262
	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.232
CY2011Q2	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	186761000	USD
CY2011Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	127981000	USD
	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	22339000	USD
CY2010Q4	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	12245000	USD
	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	28236000	USD
CY2011Q4	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	11463000	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases Sales Issuances Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchasesSalesIssuancesSettlements	-16825000	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases Sales Issuances Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchasesSalesIssuancesSettlements	0	USD
CY2010Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases Sales Issuances Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchasesSalesIssuancesSettlements	0	USD
CY2011Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases Sales Issuances Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchasesSalesIssuancesSettlements	0	USD
CY2011Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	0	USD
CY2010Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	16825000	USD
CY2011Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	0	USD
CY2010Q3	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	0	USD
CY2010Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	0	USD
CY2011Q3	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	0	USD
CY2011Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	212907000	USD
CY2011Q2	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	197223000	USD
	us-gaap	Finite Lived Intangible Assets Amortization Expense FiniteLivedIntangibleAssetsAmortizationExpense	15700000	USD
CY2011Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense FiniteLivedIntangibleAssetsAmortizationExpense	7700000	USD
	us-gaap	Finite Lived Intangible Assets Amortization Expense FiniteLivedIntangibleAssetsAmortizationExpense	16900000	USD
CY2010Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense FiniteLivedIntangibleAssetsAmortizationExpense	8500000	USD
CY2011Q4	us-gaap	Finite Lived Intangible Assets Future Amortization Expense FiniteLivedIntangibleAssetsFutureAmortizationExpense	70218000	USD
CY2011Q2	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	283125000	USD
CY2011Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	283125000	USD
CY2011Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	70218000	USD
CY2011Q2	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	85902000	USD
CY2011Q2	us-gaap	Furniture And Fixtures Gross FurnitureAndFixturesGross	19645000	USD
CY2011Q4	us-gaap	Furniture And Fixtures Gross FurnitureAndFixturesGross	21666000	USD
CY2011Q4	us-gaap	Future Amortization Expense After Year Five FutureAmortizationExpenseAfterYearFive	826000	USD
CY2011Q4	us-gaap	Future Amortization Expense Year Five FutureAmortizationExpenseYearFive	5582000	USD
CY2011Q4	us-gaap	Future Amortization Expense Year Four FutureAmortizationExpenseYearFour	12771000	USD
CY2011Q4	us-gaap	Future Amortization Expense Year One FutureAmortizationExpenseYearOne	14588000	USD
CY2011Q4	us-gaap	Future Amortization Expense Year Three FutureAmortizationExpenseYearThree	15537000	USD
CY2011Q4	us-gaap	Future Amortization Expense Year Two FutureAmortizationExpenseYearTwo	20914000	USD
	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	1372000	USD
	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	0	USD
CY2011Q2	us-gaap	Goodwill Goodwill	328156000	USD
CY2011Q4	us-gaap	Goodwill Goodwill	327813000	USD
CY2011Q2	us-gaap	Goodwill Gross GoodwillGross	604742000	USD
CY2011Q4	us-gaap	Goodwill Gross GoodwillGross	604399000	USD
CY2011Q2	us-gaap	Goodwill Impaired Accumulated Impairment Loss GoodwillImpairedAccumulatedImpairmentLoss	276586000	USD
CY2011Q4	us-gaap	Goodwill Impaired Accumulated Impairment Loss GoodwillImpairedAccumulatedImpairmentLoss	276586000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	474503000	USD
CY2011Q4	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	146907000	USD
CY2010Q4	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	251191000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	394169000	USD
CY2010Q4	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	65699000	USD
CY2011Q4	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	36110000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	91377000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	134815000	USD
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	117370000	USD
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	7645000	USD
CY2011Q2	us-gaap	Income Taxes Receivable IncomeTaxesReceivable	59774000	USD
CY2011Q4	us-gaap	Income Taxes Receivable IncomeTaxesReceivable	11538000	USD
	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	14680000	USD
	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-13978000	USD
	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-45408000	USD
	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	79232000	USD
	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	103160000	USD
	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	76841000	USD
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	27267000	USD
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-61819000	USD
	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	17983000	USD
CY2011Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	70218000	USD
CY2011Q2	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	85902000	USD
CY2011Q4	us-gaap	Interest And Dividends Payable Current InterestAndDividendsPayableCurrent	8769000	USD
CY2011Q2	us-gaap	Interest And Dividends Payable Current InterestAndDividendsPayableCurrent	8769000	USD
CY2011Q4	us-gaap	Interest And Other Income InterestAndOtherIncome	740000	USD
CY2010Q4	us-gaap	Interest And Other Income InterestAndOtherIncome	-4182000	USD
	us-gaap	Interest And Other Income InterestAndOtherIncome	7606000	USD
	us-gaap	Interest And Other Income InterestAndOtherIncome	-2957000	USD
CY2011Q4	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	73193000	USD
CY2011Q2	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	65402000	USD
CY2010Q4	us-gaap	Interest Expense InterestExpense	13493000	USD
	us-gaap	Interest Expense InterestExpense	27022000	USD
CY2011Q4	us-gaap	Interest Expense InterestExpense	13296000	USD
	us-gaap	Interest Expense InterestExpense	27189000	USD
	us-gaap	Interest Paid Net InterestPaidNet	27515000	USD
	us-gaap	Interest Paid Net InterestPaidNet	26447000	USD
CY2011Q2	us-gaap	Inventory Finished Goods InventoryFinishedGoods	59855000	USD
CY2011Q4	us-gaap	Inventory Finished Goods InventoryFinishedGoods	58898000	USD
CY2011Q4	us-gaap	Inventory Net InventoryNet	639641000	USD
CY2011Q2	us-gaap	Inventory Net InventoryNet	575730000	USD
CY2011Q4	us-gaap	Inventory Raw Materials InventoryRawMaterials	212862000	USD
CY2011Q2	us-gaap	Inventory Raw Materials InventoryRawMaterials	235605000	USD
CY2011Q4	us-gaap	Inventory Work In Process InventoryWorkInProcess	195532000	USD
CY2011Q2	us-gaap	Inventory Work In Process InventoryWorkInProcess	131804000	USD
CY2011Q4	us-gaap	Land Land	41418000	USD
CY2011Q2	us-gaap	Land Land	41956000	USD
	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	4500000	USD
	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	4100000	USD
CY2011Q4	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	2200000	USD
CY2010Q4	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	2200000	USD
CY2011Q4	us-gaap	Liabilities Liabilities	1732516000	USD
CY2011Q2	us-gaap	Liabilities Liabilities	1814628000	USD
CY2011Q2	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	4675521000	USD
CY2011Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	4700988000	USD
CY2011Q4	us-gaap	Liabilities Current LiabilitiesCurrent	829980000	USD
CY2011Q2	us-gaap	Liabilities Current LiabilitiesCurrent	878861000	USD
CY2011Q2	us-gaap	Litigation Reserve Current LitigationReserveCurrent	4824000	USD
CY2011Q4	us-gaap	Litigation Reserve Current LitigationReserveCurrent	2000000	USD
CY2011Q2	us-gaap	Machinery And Equipment Gross MachineryAndEquipmentGross	447772000	USD
CY2011Q4	us-gaap	Machinery And Equipment Gross MachineryAndEquipmentGross	466092000	USD
CY2011Q4	us-gaap	Marketable Securities Current MarketableSecuritiesCurrent	1351659000	USD
CY2011Q2	us-gaap	Marketable Securities Current MarketableSecuritiesCurrent	1327206000	USD
	us-gaap	Marketable Securities Gain Loss MarketableSecuritiesGainLoss	556000	USD
	us-gaap	Marketable Securities Gain Loss MarketableSecuritiesGainLoss	1477000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-226909000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-191295000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-43388000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-60648000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	289453000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	406217000	USD
	us-gaap	Net Income Loss NetIncomeLoss	339688000	USD
CY2010Q4	us-gaap	Net Income Loss NetIncomeLoss	185492000	USD
	us-gaap	Net Income Loss NetIncomeLoss	302792000	USD
CY2011Q4	us-gaap	Net Income Loss NetIncomeLoss	110797000	USD
CY2011Q4	us-gaap	Notional Amount Of Foreign Currency Derivative Purchase Contracts NotionalAmountOfForeignCurrencyDerivativePurchaseContracts	145593000	USD
CY2011Q2	us-gaap	Notional Amount Of Foreign Currency Derivative Purchase Contracts NotionalAmountOfForeignCurrencyDerivativePurchaseContracts	174499000	USD
CY2011Q4	us-gaap	Notional Amount Of Foreign Currency Derivative Sale Contracts NotionalAmountOfForeignCurrencyDerivativeSaleContracts	181670000	USD
CY2011Q2	us-gaap	Notional Amount Of Foreign Currency Derivative Sale Contracts NotionalAmountOfForeignCurrencyDerivativeSaleContracts	216738000	USD
CY2011Q4	us-gaap	Operating Income Loss OperatingIncomeLoss	159463000	USD
	us-gaap	Operating Income Loss OperatingIncomeLoss	413752000	USD
	us-gaap	Operating Income Loss OperatingIncomeLoss	504482000	USD
CY2010Q4	us-gaap	Operating Income Loss OperatingIncomeLoss	268866000	USD
CY2011Q4	us-gaap	Operating Leases Future Minimum Payments Due OperatingLeasesFutureMinimumPaymentsDue	23373000	USD
CY2011Q4	us-gaap	Operating Leases Future Minimum Payments Due Current OperatingLeasesFutureMinimumPaymentsDueCurrent	4347000	USD
CY2011Q4	us-gaap	Operating Leases Future Minimum Payments Due In Five Years OperatingLeasesFutureMinimumPaymentsDueInFiveYears	1991000	USD
CY2011Q4	us-gaap	Operating Leases Future Minimum Payments Due In Four Years OperatingLeasesFutureMinimumPaymentsDueInFourYears	2216000	USD
CY2011Q4	us-gaap	Operating Leases Future Minimum Payments Due In Three Years OperatingLeasesFutureMinimumPaymentsDueInThreeYears	4483000	USD
CY2011Q4	us-gaap	Operating Leases Future Minimum Payments Due In Two Years OperatingLeasesFutureMinimumPaymentsDueInTwoYears	7156000	USD
CY2011Q4	us-gaap	Operating Leases Future Minimum Payments Due Thereafter OperatingLeasesFutureMinimumPaymentsDueThereafter	3180000	USD
CY2011Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	138117000	USD
CY2011Q2	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	112980000	USD
CY2011Q2	us-gaap	Other Assets Current OtherAssetsCurrent	147078000	USD
CY2011Q4	us-gaap	Other Assets Current OtherAssetsCurrent	92469000	USD
CY2011Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	286269000	USD
CY2011Q2	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	328095000	USD
CY2011Q4	us-gaap	Other Comprehensive Income Available For Sale Securities Adjustment Net Of Tax Period Increase Decrease OtherComprehensiveIncomeAvailableForSaleSecuritiesAdjustmentNetOfTaxPeriodIncreaseDecrease	345000	USD
	us-gaap	Other Comprehensive Income Available For Sale Securities Adjustment Net Of Tax Period Increase Decrease OtherComprehensiveIncomeAvailableForSaleSecuritiesAdjustmentNetOfTaxPeriodIncreaseDecrease	-428000	USD
	us-gaap	Other Comprehensive Income Available For Sale Securities Adjustment Net Of Tax Period Increase Decrease OtherComprehensiveIncomeAvailableForSaleSecuritiesAdjustmentNetOfTaxPeriodIncreaseDecrease	-1911000	USD
CY2010Q4	us-gaap	Other Comprehensive Income Available For Sale Securities Adjustment Net Of Tax Period Increase Decrease OtherComprehensiveIncomeAvailableForSaleSecuritiesAdjustmentNetOfTaxPeriodIncreaseDecrease	-2179000	USD
	us-gaap	Other Comprehensive Income Defined Benefit Plans Adjustment Net Of Tax Period Increase Decrease OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPeriodIncreaseDecrease	241000	USD
CY2010Q4	us-gaap	Other Comprehensive Income Defined Benefit Plans Adjustment Net Of Tax Period Increase Decrease OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPeriodIncreaseDecrease	91000	USD
CY2011Q4	us-gaap	Other Comprehensive Income Defined Benefit Plans Adjustment Net Of Tax Period Increase Decrease OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPeriodIncreaseDecrease	139000	USD
	us-gaap	Other Comprehensive Income Defined Benefit Plans Adjustment Net Of Tax Period Increase Decrease OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPeriodIncreaseDecrease	171000	USD
CY2010Q4	us-gaap	Other Comprehensive Income Derivatives Qualifying As Hedges Net Of Tax Period Increase Decrease OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPeriodIncreaseDecrease	-639000	USD
	us-gaap	Other Comprehensive Income Derivatives Qualifying As Hedges Net Of Tax Period Increase Decrease OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPeriodIncreaseDecrease	-316000	USD
CY2011Q4	us-gaap	Other Comprehensive Income Derivatives Qualifying As Hedges Net Of Tax Period Increase Decrease OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPeriodIncreaseDecrease	309000	USD
	us-gaap	Other Comprehensive Income Derivatives Qualifying As Hedges Net Of Tax Period Increase Decrease OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPeriodIncreaseDecrease	200000	USD
	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Period Increase Decrease OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPeriodIncreaseDecrease	-6327000	USD
	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Period Increase Decrease OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPeriodIncreaseDecrease	17978000	USD
CY2010Q4	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Period Increase Decrease OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPeriodIncreaseDecrease	4455000	USD
CY2011Q4	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Period Increase Decrease OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPeriodIncreaseDecrease	-4540000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	17921000	USD
CY2010Q4	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	1728000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-8313000	USD
CY2011Q4	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-3747000	USD
CY2011Q2	us-gaap	Other Inventories Spare Parts OtherInventoriesSpareParts	148466000	USD
CY2011Q4	us-gaap	Other Inventories Spare Parts OtherInventoriesSpareParts	172349000	USD
CY2011Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	462033000	USD
CY2011Q2	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	499314000	USD
CY2011Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	80358000	USD
CY2011Q2	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	76235000	USD
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	119173000	USD
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	129972000	USD
	us-gaap	Payments Of Dividends PaymentsOfDividends	83594000	USD
	us-gaap	Payments Of Dividends PaymentsOfDividends	116561000	USD
CY2011Q4	us-gaap	Payments Of Dividends PaymentsOfDividends	58100000	USD
CY2010Q4	us-gaap	Payments Of Dividends PaymentsOfDividends	41800000	USD
	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	418312000	USD
	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	591088000	USD
	us-gaap	Payments To Acquire Other Investments PaymentsToAcquireOtherInvestments	28401000	USD
	us-gaap	Payments To Acquire Other Investments PaymentsToAcquireOtherInvestments	35438000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	27046000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	22715000	USD
CY2011Q2	us-gaap	Prepaid Expense Current PrepaidExpenseCurrent	61796000	USD
CY2011Q4	us-gaap	Prepaid Expense Current PrepaidExpenseCurrent	56789000	USD
	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	31723000	USD
	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	49098000	USD
	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans Including Stock Options ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions	16176000	USD
	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans Including Stock Options ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions	19195000	USD
CY2010Q4	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans Including Stock Options ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions	16176000	USD
CY2011Q4	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans Including Stock Options ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions	19195000	USD
CY2011Q4	us-gaap	Proceeds From Lines Of Credit ProceedsFromLinesOfCredit	0	USD
CY2010Q4	us-gaap	Proceeds From Lines Of Credit ProceedsFromLinesOfCredit	33327000	USD
	us-gaap	Proceeds From Lines Of Credit ProceedsFromLinesOfCredit	84263000	USD
CY2010Q4	us-gaap	Realized Investment Gains Losses RealizedInvestmentGainsLosses	400000	USD
	us-gaap	Related Party Transaction Expenses From Transactions With Related Party RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty	2805000	USD
CY2010Q4	us-gaap	Related Party Transaction Expenses From Transactions With Related Party RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty	1923000	USD
	us-gaap	Related Party Transaction Expenses From Transactions With Related Party RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty	4271000	USD
CY2011Q4	us-gaap	Related Party Transaction Expenses From Transactions With Related Party RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty	2179000	USD
	us-gaap	Related Party Transaction Revenues From Transactions With Related Party RelatedPartyTransactionRevenuesFromTransactionsWithRelatedParty	247000	USD
CY2010Q4	us-gaap	Related Party Transaction Revenues From Transactions With Related Party RelatedPartyTransactionRevenuesFromTransactionsWithRelatedParty	47000	USD
CY2011Q4	us-gaap	Related Party Transaction Revenues From Transactions With Related Party RelatedPartyTransactionRevenuesFromTransactionsWithRelatedParty	88000	USD
	us-gaap	Related Party Transaction Revenues From Transactions With Related Party RelatedPartyTransactionRevenuesFromTransactionsWithRelatedParty	125000	USD
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.327
	us-gaap	Proceeds From Sale And Maturity Of Available For Sale Securities ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities	363327000	USD
	us-gaap	Proceeds From Sale And Maturity Of Available For Sale Securities ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities	556167000	USD
	us-gaap	Proceeds From Sale And Maturity Of Marketable Securities ProceedsFromSaleAndMaturityOfMarketableSecurities	34529000	USD
	us-gaap	Proceeds From Sale And Maturity Of Marketable Securities ProceedsFromSaleAndMaturityOfMarketableSecurities	44528000	USD
	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	18185000	USD
	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	2228000	USD
	us-gaap	Proceeds From Sale Of Real Estate ProceedsFromSaleOfRealEstate	18200000	USD
	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	29903000	USD
	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	15547000	USD
CY2011Q4	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	20201000	USD
CY2010Q4	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	12594000	USD
CY2011Q3	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	43603000	USD
CY2010Q3	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	25556000	USD
CY2011Q4	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	43476000	USD
CY2010Q2	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	21109000	USD
CY2011Q2	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	41528000	USD
CY2010Q4	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	30892000	USD
CY2011Q4	us-gaap	Product Warranty Accrual Classified Current ProductWarrantyAccrualClassifiedCurrent	43476000	USD
CY2011Q2	us-gaap	Product Warranty Accrual Classified Current ProductWarrantyAccrualClassifiedCurrent	41528000	USD
CY2010Q4	us-gaap	Product Warranty Accrual Payments ProductWarrantyAccrualPayments	5663000	USD
CY2011Q4	us-gaap	Product Warranty Accrual Payments ProductWarrantyAccrualPayments	10777000	USD
	us-gaap	Product Warranty Accrual Payments ProductWarrantyAccrualPayments	10861000	USD
	us-gaap	Product Warranty Accrual Payments ProductWarrantyAccrualPayments	22384000	USD
CY2010Q4	us-gaap	Product Warranty Accrual Preexisting Increase Decrease ProductWarrantyAccrualPreexistingIncreaseDecrease	-1307000	USD
	us-gaap	Product Warranty Accrual Preexisting Increase Decrease ProductWarrantyAccrualPreexistingIncreaseDecrease	2930000	USD
CY2011Q4	us-gaap	Product Warranty Accrual Preexisting Increase Decrease ProductWarrantyAccrualPreexistingIncreaseDecrease	540000	USD
	us-gaap	Product Warranty Accrual Preexisting Increase Decrease ProductWarrantyAccrualPreexistingIncreaseDecrease	-1148000	USD
CY2011Q4	us-gaap	Product Warranty Accrual Warranties Issued ProductWarrantyAccrualWarrantiesIssued	10110000	USD
	us-gaap	Product Warranty Accrual Warranties Issued ProductWarrantyAccrualWarrantiesIssued	21792000	USD
	us-gaap	Product Warranty Accrual Warranties Issued ProductWarrantyAccrualWarrantiesIssued	21402000	USD
CY2010Q4	us-gaap	Product Warranty Accrual Warranties Issued ProductWarrantyAccrualWarrantiesIssued	12306000	USD
CY2011Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	774177000	USD
CY2011Q2	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	750525000	USD
CY2011Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	267629000	USD
CY2011Q2	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	257358000	USD
	us-gaap	Realized Investment Gains Losses RealizedInvestmentGainsLosses	600000	USD
CY2011Q4	us-gaap	Realized Investment Gains Losses RealizedInvestmentGainsLosses	-100000	USD
	us-gaap	Realized Investment Gains Losses RealizedInvestmentGainsLosses	1500000	USD
	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	189617000	USD
	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	224125000	USD
CY2010Q4	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	94897000	USD
CY2011Q4	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	116363000	USD
CY2011Q2	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	1852633000	USD
CY2011Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	1928396000	USD
CY2011Q4	us-gaap	Sales Revenue Goods Net SalesRevenueGoodsNet	500659000	USD
CY2010Q4	us-gaap	Sales Revenue Goods Net SalesRevenueGoodsNet	627857000	USD
	us-gaap	Sales Revenue Goods Net SalesRevenueGoodsNet	1150915000	USD
	us-gaap	Sales Revenue Goods Net SalesRevenueGoodsNet	1178466000	USD
	us-gaap	Sales Revenue Net SalesRevenueNet	1438958000	USD
CY2011Q4	us-gaap	Sales Revenue Net SalesRevenueNet	642482000	USD
	us-gaap	Sales Revenue Net SalesRevenueNet	1448669000	USD
CY2010Q4	us-gaap	Sales Revenue Net SalesRevenueNet	766327000	USD
	us-gaap	Sales Revenue Services Net SalesRevenueServicesNet	288043000	USD
	us-gaap	Sales Revenue Services Net SalesRevenueServicesNet	270203000	USD
CY2011Q4	us-gaap	Sales Revenue Services Net SalesRevenueServicesNet	141823000	USD
CY2010Q4	us-gaap	Sales Revenue Services Net SalesRevenueServicesNet	138470000	USD
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.001
	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	187877000	USD
	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	179203000	USD
CY2011Q4	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	93801000	USD
CY2010Q4	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	91166000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	43644000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	40142000	USD
CY2011Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Award Vesting Period ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod	5
CY2011Q4	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	148000	shares
CY2011Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeited In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriodWeightedAverageGrantDateFairValue	21.26
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod	2212000	shares
CY2011Q4	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	36.87
CY2010Q4	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	27.22
	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	25.67
	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	19.73
CY2011Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber	6511000	shares
CY2011Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber	6540000	shares
CY2011Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue	21.28
CY2011Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue	21.71
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod	1387000	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	24.62
CY2010Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0.037
CY2011Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0.034
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0.037
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0.034
CY2011Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Term ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedTerm	0.50
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Term ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedTerm	0.50
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Term ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedTerm	0.50
CY2010Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Term ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedTerm	0.50
CY2010Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.410
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.410
CY2011Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.327
CY2011Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Maximum Employee Subscription Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardMaximumEmployeeSubscriptionRate	0.10
CY2011Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant	7885000	shares
CY2011Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant	11554000	shares
CY2011Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	6185000	shares
CY2011Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	46.54
CY2011Q4	us-gaap	Significant Change In Unrecognized Tax Benefits Is Reasonably Possible Amount Of Unrecorded Benefit SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleAmountOfUnrecordedBenefit	2400000	USD
CY2011Q4	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	0.002
CY2010Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.002
CY2011Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Remaining Contractual Term ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm	1.74
CY2011Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	3809000	USD
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	3289000	USD
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	6569000	USD
CY2010Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	2726000	USD
CY2011Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	36.48
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Expirations In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod	623000	shares
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod	668000	shares
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice	45.59
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod	0	shares
CY2011Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	0
CY2011Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	7675000	shares
CY2011Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	6187000	shares
CY2011Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	46.54
CY2011Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	45.38
CY2011Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Shares Purchased For Award ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesPurchasedForAward	545000	shares
CY2010Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Shares Purchased For Award ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesPurchasedForAward	701000	shares
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Shares Purchased For Award ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesPurchasedForAward	701000	shares
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Shares Purchased For Award ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesPurchasedForAward	545000	shares
CY2011Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	22000000	USD
CY2011Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm1	1.74
	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	820000	shares
CY2011Q4	us-gaap	Stockholders Equity StockholdersEquity	2968472000	USD
CY2011Q2	us-gaap	Stockholders Equity StockholdersEquity	2860893000	USD
CY2010Q4	us-gaap	Tax Benefit From Stock Options Exercised TaxBenefitFromStockOptionsExercised	980000	USD
	us-gaap	Tax Benefit From Stock Options Exercised TaxBenefitFromStockOptionsExercised	1182000	USD
	us-gaap	Tax Benefit From Stock Options Exercised TaxBenefitFromStockOptionsExercised	2163000	USD
CY2011Q4	us-gaap	Tax Benefit From Stock Options Exercised TaxBenefitFromStockOptionsExercised	1224000	USD
CY2011Q2	us-gaap	Taxes Payable Current TaxesPayableCurrent	16364000	USD
CY2010Q4	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	57938000	USD
CY2011Q4	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	1396000	shares
CY2010Q4	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	1559000	shares
	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	3137000	shares
CY2011Q4	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	63106000	USD
CY2011Q4	us-gaap	Taxes Payable Current TaxesPayableCurrent	20078000	USD
	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	3159000	shares
	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	3531000	shares
	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	130088000	USD
	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	117261000	USD
	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	18000000	USD
	us-gaap	Unrecognized Tax Benefits Increases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsIncreasesResultingFromSettlementsWithTaxingAuthorities	18300000	USD
CY2011Q2	us-gaap	Unsecured Long Term Debt UnsecuredLongTermDebt	746290000	USD
CY2011Q4	klac	Available For Sale Securities And Cash Equivalents Gross Unrealized Gains AvailableForSaleSecuritiesAndCashEquivalentsGrossUnrealizedGains	4624000	USD
CY2011	klac	Available For Sale Securities And Cash Equivalents Gross Unrealized Gains AvailableForSaleSecuritiesAndCashEquivalentsGrossUnrealizedGains	6712000	USD
CY2011Q4	us-gaap	Unsecured Long Term Debt UnsecuredLongTermDebt	746561000	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 that affect the reported amounts of 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>
CY2011Q4	klac	Avaliable For Sale Securities And Cash Equivalents Gross Unrealized Loss AvaliableForSaleSecuritiesAndCashEquivalentsGrossUnrealizedLoss	1561000	USD
CY2011	klac	Avaliable For Sale Securities And Cash Equivalents Gross Unrealized Loss AvaliableForSaleSecuritiesAndCashEquivalentsGrossUnrealizedLoss	545000	USD
CY2010Q4	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	2627000	shares
CY2011Q4	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	2760000	shares
	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	2633000	shares
CY2010Q4	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	169513000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	169685000	shares
CY2011Q4	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	169103000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	169650000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	167052000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	166513000	shares
CY2011Q4	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	166343000	shares
CY2010Q4	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	166886000	shares
CY2008Q1	klac	Auction Failure AuctionFailure	48200000	USD
CY1997Q3	klac	Authorized Shares To Be Repurchased AuthorizedSharesToBeRepurchased	72800000	shares
CY2011Q4	klac	Available For Sale Securities And Cash Equivalents Amortized Cost AvailableForSaleSecuritiesAndCashEquivalentsAmortizedCost	1907988000	USD
CY2011Q2	klac	Available For Sale Securities And Cash Equivalents Amortized Cost AvailableForSaleSecuritiesAndCashEquivalentsAmortizedCost	1801110000	USD
CY2011Q4	klac	Available For Sale Securities And Cash Equivalents Fair Value Disclosure AvailableForSaleSecuritiesAndCashEquivalentsFairValueDisclosure	1911051000	USD
CY2011Q2	klac	Available For Sale Securities And Cash Equivalents Fair Value Disclosure AvailableForSaleSecuritiesAndCashEquivalentsFairValueDisclosure	1807277000	USD
CY2011Q4	klac	Buildings And Leasehold Improvements BuildingsAndLeaseholdImprovements	237191000	USD
CY2011Q2	klac	Buildings And Leasehold Improvements BuildingsAndLeaseholdImprovements	234173000	USD
CY2011Q4	klac	Cash Equivalent Gross Unrealized Loss CashEquivalentGrossUnrealizedLoss	0	USD
CY2011	klac	Cash Equivalent Gross Unrealized Loss CashEquivalentGrossUnrealizedLoss	2000	USD
CY2011Q4	klac	Cash Equivalents Gross Unrealized Gains CashEquivalentsGrossUnrealizedGains	0	USD
CY2011	klac	Cash Equivalents Gross Unrealized Gains CashEquivalentsGrossUnrealizedGains	0	USD
CY2011Q4	klac	Cash Equivalents Net Of Unrealized Gains And Losses CashEquivalentsNetOfUnrealizedGainsAndLosses	632585000	USD
CY2011Q2	klac	Cash Equivalents Net Of Unrealized Gains And Losses CashEquivalentsNetOfUnrealizedGainsAndLosses	545473000	USD
CY2008Q2	klac	Debt Instruments Maturity Date DebtInstrumentsMaturityDate	2018
CY2011Q2	klac	Deferred System Profit DeferredSystemProfit	192338000	USD
CY2011Q4	klac	Deferred System Profit DeferredSystemProfit	190718000	USD
CY2011Q2	klac	Espp Maximum Annual Share Replenishment EsppMaximumAnnualShareReplenishment	2000000	shares
CY2011Q2	klac	Espp Share Replenishment In Period EsppShareReplenishmentInPeriod	2000000	shares
CY2011Q4	klac	Espp Share Replenishment In Period EsppShareReplenishmentInPeriod	0	shares
CY2011Q4	klac	Estimated Effective Tax Rate EstimatedEffectiveTaxRate	0.230
	klac	Goodwill Purchased Intangible Asset And Long Lived Asset Impairment Charges GoodwillPurchasedIntangibleAssetAndLongLivedAssetImpairmentCharges	1378000	USD
	klac	Goodwill Purchased Intangible Asset And Long Lived Asset Impairment Charges GoodwillPurchasedIntangibleAssetAndLongLivedAssetImpairmentCharges	6800000	USD
CY2011Q4	klac	Guarantee Arrangments To Fund Customs Guarantees For Vat And Lc GuaranteeArrangmentsToFundCustomsGuaranteesForVatAndLc	20400000	USD
CY2011Q4	klac	Hedge Contracts Maximum Maturity HedgeContractsMaximumMaturity	13
	klac	Increase Decrease In Deferred System Profit IncreaseDecreaseInDeferredSystemProfit	36730000	USD
	klac	Increase Decrease In Deferred System Profit IncreaseDecreaseInDeferredSystemProfit	-1620000	USD
CY2011Q4	klac	Months In Loss Position Not Exceeding This Period MonthsInLossPositionNotExceedingThisPeriod	12
CY2011Q4	klac	Notional Amount Of Cash Flow Derivative Purchase Contracts NotionalAmountOfCashFlowDerivativePurchaseContracts	8950000	USD
CY2011Q2	klac	Notional Amount Of Cash Flow Derivative Purchase Contracts NotionalAmountOfCashFlowDerivativePurchaseContracts	3381000	USD
CY2011Q4	klac	Notional Amount Of Cash Flow Derivative Sales Contracts NotionalAmountOfCashFlowDerivativeSalesContracts	38039000	USD
CY2011Q2	klac	Notional Amount Of Cash Flow Derivative Sales Contracts NotionalAmountOfCashFlowDerivativeSalesContracts	30133000	USD
CY2011Q4	klac	Number Of Customers With Significant Accounts Receivable Balance NumberOfCustomersWithSignificantAccountsReceivableBalance	2
CY2011Q2	klac	Number Of Customers With Significant Accounts Receivable Balance NumberOfCustomersWithSignificantAccountsReceivableBalance	2
CY2011Q4	klac	Number Of Customers With Significant Revenue NumberOfCustomersWithSignificantRevenue	2
	klac	Number Of Customers With Significant Revenue NumberOfCustomersWithSignificantRevenue	2
CY2010Q4	klac	Number Of Customers With Significant Revenue NumberOfCustomersWithSignificantRevenue	2
	klac	Number Of Customers With Significant Revenue NumberOfCustomersWithSignificantRevenue	3
CY2011Q4	klac	Number Of Espp Shares Available For Future Issuance NumberOfEsppSharesAvailableForFutureIssuance	2900000	shares
CY2011Q4	klac	Offer To Repurchase Senior Note Percent Of Principal Amount OfferToRepurchaseSeniorNotePercentOfPrincipalAmount	1.01
CY2011Q4	klac	Open Inventory Purchase Commitments OpenInventoryPurchaseCommitments	319200000	USD
CY2011Q4	klac	Other Current Assets OtherCurrentAssets	24142000	USD
CY2011Q2	klac	Other Current Assets OtherCurrentAssets	25508000	USD
CY2011Q2	klac	Other Non Current Assets OtherNonCurrentAssets	26274000	USD
CY2011Q4	klac	Other Non Current Assets OtherNonCurrentAssets	24078000	USD
CY2011Q4	klac	Outstanding Guarantee Arrangements To Fund Customs Guarantees For Vat And Lc OutstandingGuaranteeArrangementsToFundCustomsGuaranteesForVatAndLc	18400000	USD
CY2011Q4	klac	Outstanding Inventory Purchase Commitment Months OutstandingInventoryPurchaseCommitmentMonths	12
CY2011Q4	klac	Receivables Sold Under Factoring Agreements ReceivablesSoldUnderFactoringAgreements	81606000	USD
CY2010Q4	klac	Receivables Sold Under Factoring Agreements ReceivablesSoldUnderFactoringAgreements	96586000	USD
	klac	Receivables Sold Under Factoring Agreements ReceivablesSoldUnderFactoringAgreements	250330000	USD
	klac	Receivables Sold Under Factoring Agreements ReceivablesSoldUnderFactoringAgreements	156611000	USD
CY2011Q4	klac	Shares Available For Repurchase SharesAvailableForRepurchase	5900000	shares
CY2011Q4	klac	Standard Warranty Coverage Hours Per Week StandardWarrantyCoverageHoursPerWeek	40
CY2011Q4	klac	Standard Warranty Coverage In Months StandardWarrantyCoverageInMonths	12
CY2010Q4	klac	Segment Percent Of Total Revenue SegmentPercentOfTotalRevenue	1.00
CY2011Q4	klac	Segment Percent Of Total Revenue SegmentPercentOfTotalRevenue	1.00
	klac	Segment Percent Of Total Revenue SegmentPercentOfTotalRevenue	1.00
	klac	Segment Percent Of Total Revenue SegmentPercentOfTotalRevenue	1.00
CY2011Q4	klac	Settled Stock Repurchases From Prior Periods SettledStockRepurchasesFromPriorPeriods	3300000	USD
CY2011Q4	klac	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Traded For Taxes Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsTradedForTaxesPeriodWeightedAverageGrantDateFairValue	24.48
	klac	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Withheld For Taxes ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsWithheldForTaxes	706000	shares
CY2010Q4	klac	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Estimated At Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateEstimatedAtFairValue	1543000	USD
CY2011Q4	klac	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Estimated At Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateEstimatedAtFairValue	2139000	USD
	klac	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Estimated At Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateEstimatedAtFairValue	42248000	USD
	klac	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Estimated At Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateEstimatedAtFairValue	56776000	USD
CY2011Q2	klac	Stock Based Compensation Capitalized As Inventory StockBasedCompensationCapitalizedAsInventory	6701000	USD
CY2011Q4	klac	Stock Based Compensation Capitalized As Inventory StockBasedCompensationCapitalizedAsInventory	7453000	USD
CY2011Q4	klac	Stock Based Compensation Offering Period In Months StockBasedCompensationOfferingPeriodInMonths	6
	klac	Tax Benefits From Espp TaxBenefitsFromEspp	471000	USD
CY2010Q4	klac	Tax Benefits From Espp TaxBenefitsFromEspp	115000	USD
CY2011Q4	klac	Tax Benefits From Espp TaxBenefitsFromEspp	368000	USD
	klac	Tax Benefits From Espp TaxBenefitsFromEspp	843000	USD
	klac	Tax Withholding Payments Related To Vested And Released Restricted Stock Units TaxWithholdingPaymentsRelatedToVestedAndReleasedRestrictedStockUnits	-20251000	USD
	klac	Tax Withholding Payments Related To Vested And Released Restricted Stock Units TaxWithholdingPaymentsRelatedToVestedAndReleasedRestrictedStockUnits	-29474000	USD
CY2011Q4	klac	Unpaid Cost Of Stock Repurchases UnpaidCostOfStockRepurchases	2800000	USD
	klac	Weighted Average Fair Value Per Share WeightedAverageFairValuePerShare	6.53
CY2010Q4	klac	Weighted Average Fair Value Per Share WeightedAverageFairValuePerShare	6.53
CY2011Q4	klac	Weighted Average Fair Value Per Share WeightedAverageFairValuePerShare	9.16
	klac	Weighted Average Fair Value Per Share WeightedAverageFairValuePerShare	9.16
	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	2012
	dei	Document Period End Date DocumentPeriodEndDate	2011-12-31
	dei	Document Type DocumentType	10-Q
	dei	Entity Central Index Key EntityCentralIndexKey	0000319201
CY2012Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	166732846	shares
	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
	dei	Entity Registrant Name EntityRegistrantName	KLA TENCOR CORP
	dei	Trading Symbol TradingSymbol	klac

Files In Submission

Name	View Source	Status
0000319201-12-000003-index-headers.html	Edgar Link	pending
0000319201-12-000003-index.html	Edgar Link	pending
0000319201-12-000003.txt	Edgar Link	pending
0000319201-12-000003-xbrl.zip	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xls	Edgar Link	pending
klac-20111231.xml	Edgar Link	completed
klac-20111231.xsd	Edgar Link	pending
klac-20111231_cal.xml	Edgar Link	unprocessable
klac-20111231_def.xml	Edgar Link	unprocessable
klac-20111231_lab.xml	Edgar Link	unprocessable
klac-20111231_pre.xml	Edgar Link	unprocessable
klac10q123111.htm	Edgar Link	pending
klac10q123111ex1044.htm	Edgar Link	pending
klac10qex311123111.htm	Edgar Link	pending
klac10qex312123111.htm	Edgar Link	pending
klac10qex32123111.htm	Edgar Link	pending
R1.htm	Edgar Link	pending
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R8.htm	Edgar Link	pending
R9.htm	Edgar Link	pending
report.css	Edgar Link	pending
Show.js	Edgar Link	pending

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$KLAC
KLA CORP Stock $klac

2011 Q4 Form 10-Q Financial Statement

#000031920112000003 Filed on January 27, 2012

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$KLAC KLA CORP Stock $klac

2011 Q4 Form 10-Q Financial Statement

#000031920112000003 Filed on January 27, 2012

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$KLAC
KLA CORP Stock $klac