$TER
TERADYNE, INC Stock $ter

$ter Overview Financials Valuation SEC Filings Company Website

2015 Q1 Form 10-K Financial Statement

#000119312515067671 Filed on February 27, 2015

Income Statement

Concept	2015 Q1	2013 Q4	2013 Q3
Revenue		$285.3M	$433.4M
YoY Change		14.85%	-6.48%
Cost Of Revenue		$125.4M	$179.1M
YoY Change		1.99%	-11.87%
Gross Profit		$159.9M	$254.3M
YoY Change		27.47%	-2.27%
Gross Profit Margin		56.03%	58.68%
Selling, General & Admin		$69.52M	$72.92M
YoY Change		0.34%	5.63%
% of Gross Profit		43.49%	28.67%
Research & Development		$64.61M	$68.92M
YoY Change		2.88%	7.78%
% of Gross Profit		40.42%	27.1%
Depreciation & Amortization		$39.30M	$37.70M
YoY Change		-1.5%	7.1%
% of Gross Profit		24.58%	14.83%
Operating Expenses		$153.0M	$160.8M
YoY Change		2.01%	5.72%
Operating Profit		$6.837M	$93.51M
YoY Change		-127.8%	-13.51%
Interest Expense		$6.771M	$6.488M
YoY Change		-2.52%	5.43%
% of Operating Profit		99.03%	6.94%
Other Income/Expense, Net		$34.17M	-$414.0K
YoY Change
Pretax Income		$35.44M	$87.55M
YoY Change		-217.02%	-15.02%
Income Tax		$13.10M	$18.09M
% Of Pretax Income		36.95%	20.67%
Net Earnings		$22.34M	$69.46M
YoY Change		-235.06%	-21.64%
Net Earnings / Revenue		7.83%	16.03%
Basic Earnings Per Share		$0.12	$0.36
Diluted Earnings Per Share		$0.09	$0.29
COMMON SHARES
Basic Shares Outstanding	217.8M shares	191.6M shares	191.3M shares
Diluted Shares Outstanding			235.8M shares

Balance Sheet

Concept	2013 Q4	2013 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments	$928.5M	$957.5M
YoY Change	20.52%	37.77%
Cash & Equivalents	$341.6M	$572.9M
Short-Term Investments	$586.9M	$384.6M
Other Short-Term Assets	$7.324M	$11.87M
YoY Change	60.76%	-91.38%
Inventory	$137.9M	$123.0M
Prepaid Expenses	$136.4M	$109.1M
Receivables	$157.6M	$209.4M
Other Receivables	$0.00	$0.00
Total Short-Term Assets	$1.440B	$1.494B
YoY Change	16.52%	13.96%
LONG-TERM ASSETS
Property, Plant & Equipment	$275.2M	$275.4M
YoY Change	3.56%	5.48%
Goodwill	$361.8M	$349.3M
YoY Change	3.58%	-0.03%
Intangibles	$252.3M	$265.7M
YoY Change	-20.88%	-21.32%
Long-Term Investments	$271.1M	$202.1M
YoY Change	14.92%	51.05%
Other Assets	$14.59M	$19.76M
YoY Change	-1.66%	10.7%
Total Long-Term Assets	$1.190B	$1.117B
YoY Change	-0.31%	-3.02%
TOTAL ASSETS
Total Short-Term Assets	$1.440B	$1.494B
Total Long-Term Assets	$1.190B	$1.117B
Total Assets	$2.630B	$2.612B
YoY Change	8.25%	6.02%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$62.87M	$67.73M
YoY Change	7.8%	-8.7%
Accrued Expenses	$159.3M	$140.8M
YoY Change	11.32%	-2.49%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00
YoY Change
Long-Term Debt Due	$186.7M	$183.6M
YoY Change	7918.17%	7244.0%
Total Short-Term Liabilities	$475.6M	$487.7M
YoY Change	59.7%	39.65%
LONG-TERM LIABILITIES
Long-Term Debt	$0.00	$0.00
YoY Change	-100.0%	-100.0%
Other Long-Term Liabilities	$128.4M	$134.8M
YoY Change	-2.65%	12.15%
Total Long-Term Liabilities	$128.4M	$134.8M
YoY Change	-24.94%	-19.55%
TOTAL LIABILITIES
Total Short-Term Liabilities	$475.6M	$487.7M
Total Long-Term Liabilities	$128.4M	$134.8M
Total Liabilities	$644.7M	$660.1M
YoY Change	-0.96%	-2.64%
SHAREHOLDERS EQUITY
Retained Earnings	$566.2M	$543.9M
YoY Change	41.1%	30.17%
Common Stock	$23.97M	$23.93M
YoY Change	2.04%	2.0%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$1.985B	$1.952B
YoY Change
Total Liabilities & Shareholders Equity	$2.630B	$2.612B
YoY Change	8.25%	6.02%

Cashflow Statement

Concept	2013 Q4	2013 Q3
OPERATING ACTIVITIES
Net Income	$22.34M	$69.46M
YoY Change	-235.06%	-21.64%
Depreciation, Depletion And Amortization	$39.30M	$37.70M
YoY Change	-1.5%	7.1%
Cash From Operating Activities	$44.30M	$155.4M
YoY Change	8.85%	52.2%
INVESTING ACTIVITIES
Capital Expenditures	-$23.80M	-$32.10M
YoY Change	-15.0%	4.56%
Acquisitions
YoY Change
Other Investing Activities	-$252.9M	$215.6M
YoY Change	75.75%	-809.21%
Cash From Investing Activities	-$276.7M	$183.5M
YoY Change	60.97%	-400.33%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	1.200M	6.300M
YoY Change	-107.69%	-56.85%
NET CHANGE
Cash From Operating Activities	44.30M	155.4M
Cash From Investing Activities	-276.7M	183.5M
Cash From Financing Activities	1.200M	6.300M
Net Change In Cash	-231.2M	345.2M
YoY Change	57.49%	520.86%
FREE CASH FLOW
Cash From Operating Activities	$44.30M	$155.4M
Capital Expenditures	-$23.80M	-$32.10M
Free Cash Flow	$68.10M	$187.5M
YoY Change	-0.87%	41.19%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
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CY2013Q1	ter	Value Of Common Stock Issued To Employees Per Share ValueOfCommonStockIssuedToEmployeesPerShare	14.94
CY2013Q2	ter	Value Of Common Stock Issued To Employees Per Share ValueOfCommonStockIssuedToEmployeesPerShare	14.98
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CY2012Q2	ter	Value Of Common Stock Issued To Employees Per Share ValueOfCommonStockIssuedToEmployeesPerShare	11.91
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CY2013Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	37010000
CY2013Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	151530000
CY2013Q4	us-gaap	Deferred Tax Assets Net Current DeferredTaxAssetsNetCurrent	72478000
CY2013Q4	us-gaap	Inventory Net InventoryNet	137939000
CY2013Q4	us-gaap	Inventory Raw Materials Net Of Reserves InventoryRawMaterialsNetOfReserves	84232000
CY2013Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	157642000
CY2013Q4	us-gaap	Available For Sale Securities Amortized Cost AvailableForSaleSecuritiesAmortizedCost	855786000
CY2013Q4	us-gaap	Available For Sale Securities Current AvailableForSaleSecuritiesCurrent	586882000
CY2013Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards DeferredTaxAssetsTaxCreditCarryforwards	65210000
CY2013Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	252291000
CY2013Q4	us-gaap	Leasehold Improvements Gross LeaseholdImprovementsGross	30757000
CY2013Q4	us-gaap	Machinery And Equipment Gross MachineryAndEquipmentGross	600848000
CY2013Q4	us-gaap	Other Assets Current OtherAssetsCurrent	7324000
CY2013Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	14591000
CY2013Q4	us-gaap	Other Prepaid Expense Current OtherPrepaidExpenseCurrent	11167000
CY2013Q4	us-gaap	Prepaid Taxes PrepaidTaxes	3281000
CY2013Q4	us-gaap	Assets Current AssetsCurrent	1440277000
CY2013Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	240900000
CY2013Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals	17828000
CY2013Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	515464000
CY2013Q4	us-gaap	Inventory Work In Process Net Of Reserves InventoryWorkInProcessNetOfReserves	15539000
CY2013Q4	us-gaap	Prepaid Expense Current PrepaidExpenseCurrent	136374000
CY2013Q4	ter	Deferred Revenue And Customer Advances DeferredRevenueAndCustomerAdvances	69160000
CY2013Q4	ter	Deferred Revenue And Customer Advances Maintenance And Training DeferredRevenueAndCustomerAdvancesMaintenanceAndTraining	22455000
CY2013Q4	ter	Deferred Revenue And Customer Advances Undelivered Elements DeferredRevenueAndCustomerAdvancesUndeliveredElements	6971000
CY2013Q4	ter	Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Tax AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansTax	-284000
CY2013Q4	ter	Deferred Revenue And Customer Advances Current DeferredRevenueAndCustomerAdvancesCurrent	55404000
CY2013Q4	ter	Accumulated Other Comprehensive Income Loss Available For Sale Securities Adjustment Tax AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentTax	794000
CY2013Q4	ter	Deferred Tax Assets Net Operating And Capital Loss Carryforwards DeferredTaxAssetsNetOperatingAndCapitalLossCarryforwards	14679000
CY2013Q4	ter	Prepaid Maintenance And Other Services PrepaidMaintenanceAndOtherServices	6538000
CY2013Q4	ter	Contract And Manufacturer Prepaid ContractAndManufacturerPrepaid	115388000
CY2014Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	216613000	shares
CY2014Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	216613000	shares
CY2014Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue	17.58
CY2014Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber	1507000	shares
CY2014Q4	us-gaap	Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Exercisable Options Weighted Average Exercise Price1 SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1	5.00
CY2014Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	1000000000	shares
CY2014Q4	us-gaap	Goodwill Gross GoodwillGross	781058000
CY2014Q4	us-gaap	Land Land	16561000
CY2014Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	329038000
CY2014Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	17936000
CY2014Q4	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	20049000
CY2014Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	24100000
CY2014Q4	us-gaap	Common Stock Value CommonStockValue	27077000
CY2014Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies
CY2014Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	4689000
CY2014Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	47763000
CY2014Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	610079000
CY2014Q4	us-gaap	Operating Leases Future Minimum Payments Due In Four Years OperatingLeasesFutureMinimumPaymentsDueInFourYears	4535000
CY2014Q4	us-gaap	Goodwill Impaired Accumulated Impairment Loss GoodwillImpairedAccumulatedImpairmentLoss	507620000
CY2014Q4	us-gaap	Extended Product Warranty Accrual ExtendedProductWarrantyAccrual	43300000
CY2014Q4	us-gaap	Deferred Tax Liabilities Noncurrent DeferredTaxLiabilitiesNoncurrent	23315000
CY2014Q4	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets	64871000
CY2014Q4	us-gaap	Deferred Tax Liabilities Investments DeferredTaxLiabilitiesInvestments	1599000
CY2014Q4	us-gaap	Stockholders Equity StockholdersEquity	2078980000
CY2014Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	51997000
CY2014Q4	us-gaap	Operating Leases Future Minimum Payments Due OperatingLeasesFutureMinimumPaymentsDue	53991000
CY2014Q4	us-gaap	Operating Leases Future Minimum Payments Due In Five Years OperatingLeasesFutureMinimumPaymentsDueInFiveYears	4103000
CY2014Q4	us-gaap	Operating Leases Future Minimum Payments Due In Three Years OperatingLeasesFutureMinimumPaymentsDueInThreeYears	6842000
CY2014Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	2538520000
CY2014Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	332452000
CY2014Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	1437135000
CY2014Q4	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	8942000
CY2014Q4	us-gaap	Other Accrued Liabilities Noncurrent OtherAccruedLiabilitiesNoncurrent	15430000
CY2014Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue	3350000
CY2014Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	30418000
CY2014Q4	us-gaap	Operating Leases Future Minimum Payments Due In Two Years OperatingLeasesFutureMinimumPaymentsDueInTwoYears	11776000
CY2014Q4	us-gaap	Liabilities Liabilities	459540000
CY2014Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	100994000
CY2014Q4	us-gaap	Available For Sale Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	4818000
CY2014Q4	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	600000
CY2014Q4	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent	108460000
CY2014Q4	us-gaap	Operating Leases Future Minimum Payments Due Current OperatingLeasesFutureMinimumPaymentsDueCurrent	13521000
CY2014Q4	us-gaap	Long Term Debt LongTermDebt	0
CY2014Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	91375000
CY2014Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	2491000
CY2014Q4	us-gaap	Available For Sale Securities Debt Maturities Single Maturity Date Amortized Cost Basis AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDateAmortizedCostBasis	990133000
CY2014Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	294256000
CY2014Q4	us-gaap	Construction In Progress Gross ConstructionInProgressGross	2508000
CY2014Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	24405000
CY2014Q4	us-gaap	Furniture And Fixtures Gross FurnitureAndFixturesGross	77566000
CY2014Q4	us-gaap	Goodwill Goodwill	273438000
CY2014Q4	us-gaap	Available For Sale Securities AvailableForSaleSecurities	1004576000
CY2014Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue	583076000
CY2014Q4	us-gaap	Available For Sale Securities Noncurrent AvailableForSaleSecuritiesNoncurrent	470789000
CY2014Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	174530000
CY2014Q4	us-gaap	Defined Benefit Plan Assets For Plan Benefits Noncurrent DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent	12896000
CY2014Q4	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	345600000
CY2014Q4	us-gaap	Derivative Assets Liabilities At Fair Value Net DerivativeAssetsLiabilitiesAtFairValueNet	149000
CY2014Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Exercisable Aggregate Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableAggregateIntrinsicValue	17936000
CY2014Q4	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost	5735000
CY2014Q4	us-gaap	Buildings And Improvements Gross BuildingsAndImprovementsGross	108671000
CY2014Q4	us-gaap	Deferred Tax Assets Net Noncurrent DeferredTaxAssetsNetNoncurrent	7494000
CY2014Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	1725000
CY2014Q4	us-gaap	Noncurrent Assets NoncurrentAssets	329038000
CY2014Q4	us-gaap	Available For Sale Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	867000
CY2014Q4	us-gaap	Deferred Tax Assets Deferred Income DeferredTaxAssetsDeferredIncome	10242000
CY2014Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards Domestic DeferredTaxAssetsOperatingLossCarryforwardsDomestic	11504000
CY2014Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards Foreign DeferredTaxAssetsOperatingLossCarryforwardsForeign	8575000
CY2014Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Compensated Absences DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsCompensatedAbsences	7425000
CY2014Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Pensions DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPensions	30036000
CY2014Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	11131000
CY2014Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	4889000
CY2014Q4	us-gaap	Inventory Finished Goods Net Of Reserves InventoryFinishedGoodsNetOfReserves	23961000
CY2014Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	897030000
CY2014Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	16101000
CY2014Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	2300000
CY2014Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost	533833000
CY2014Q4	us-gaap	Assets Assets	2538520000
CY2014Q4	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	418363000
CY2014Q4	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue	34169000
CY2014Q4	us-gaap	Deferred Tax Assets Inventory DeferredTaxAssetsInventory	29105000
CY2014Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	41418000
CY2014Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	132793000
CY2014Q4	us-gaap	Deferred Tax Assets Net Current DeferredTaxAssetsNetCurrent	57239000
CY2014Q4	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	51300000
CY2014Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	55231000
CY2014Q4	us-gaap	Inventory Net InventoryNet	105129000
CY2014Q4	us-gaap	Inventory Raw Materials Net Of Reserves InventoryRawMaterialsNetOfReserves	70821000
CY2014Q4	us-gaap	Tax Credit Carryforward Amount TaxCreditCarryforwardAmount	140800000
CY2014Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	151034000
CY2014Q4	us-gaap	Available For Sale Securities Amortized Cost AvailableForSaleSecuritiesAmortizedCost	1000625000
CY2014Q4	us-gaap	Available For Sale Securities Debt Maturities Single Maturity Date AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDate	992243000
CY2014Q4	us-gaap	Available For Sale Securities Current AvailableForSaleSecuritiesCurrent	533787000
CY2014Q4	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	5924000
CY2014Q4	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost	31833000
CY2014Q4	us-gaap	Deferred Tax Liability Not Recognized Amount Of Unrecognized Deferred Tax Liability Undistributed Earnings Of Foreign Subsidiaries DeferredTaxLiabilityNotRecognizedAmountOfUnrecognizedDeferredTaxLiabilityUndistributedEarningsOfForeignSubsidiaries	556900000
CY2014Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards DeferredTaxAssetsTaxCreditCarryforwards	50554000
CY2014Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	55231000
CY2014Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	190600000
CY2014Q4	us-gaap	Leasehold Improvements Gross LeaseholdImprovementsGross	31981000
CY2014Q4	us-gaap	Machinery And Equipment Gross MachineryAndEquipmentGross	659743000
CY2014Q4	us-gaap	Other Assets Current OtherAssetsCurrent	6582000
CY2014Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards State And Local DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal	8024000
CY2014Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals	23323000
CY2014Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	49046000
CY2014Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	523052000
CY2014Q4	us-gaap	Inventory Work In Process Net Of Reserves InventoryWorkInProcessNetOfReserves	10347000
CY2014Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	10419000
CY2014Q4	us-gaap	Other Prepaid Expense Current OtherPrepaidExpenseCurrent	11042000
CY2014Q4	us-gaap	Prepaid Taxes PrepaidTaxes	11462000
CY2014Q4	us-gaap	Assets Current AssetsCurrent	1243846000
CY2014Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	580800000
CY2014Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	533787000
CY2014Q4	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost	418732000
CY2014Q4	us-gaap	Prepaid Expense Current PrepaidExpenseCurrent	95819000
CY2014Q4	ter	Aggregate Purchase Commitments AggregatePurchaseCommitments	151500000
CY2014Q4	ter	Deferred Revenue And Customer Advances DeferredRevenueAndCustomerAdvances	91532000
CY2014Q4	ter	Net Operating Loss Carryforward Excess Tax Deduction Related To Stock Based Compensation NetOperatingLossCarryforwardExcessTaxDeductionRelatedToStockBasedCompensation	0
CY2014Q4	ter	Unrecognized Tax Benefits If Recognized Would Impact Valuation Allowance UnrecognizedTaxBenefitsIfRecognizedWouldImpactValuationAllowance	6300000
CY2014Q4	ter	Deferred Revenue And Customer Advances Maintenance And Training DeferredRevenueAndCustomerAdvancesMaintenanceAndTraining	30500000
CY2014Q4	ter	Deferred Revenue And Customer Advances Undelivered Elements DeferredRevenueAndCustomerAdvancesUndeliveredElements	8857000
CY2014Q4	ter	Deferred Tax Assets Alternative Minimum Tax Credits Carryforwards DeferredTaxAssetsAlternativeMinimumTaxCreditsCarryforwards	6600000
CY2014Q4	ter	Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Tax AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansTax	-453000
CY2014Q4	ter	Deferred Revenue And Customer Advances Current DeferredRevenueAndCustomerAdvancesCurrent	71603000
CY2014Q4	ter	Accumulated Other Comprehensive Income Loss Available For Sale Securities Adjustment Tax AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentTax	1598000
CY2014Q4	ter	Deferred Tax Assets Net Operating And Capital Loss Carryforwards DeferredTaxAssetsNetOperatingAndCapitalLossCarryforwards	10989000
CY2014Q4	ter	Prepaid Maintenance And Other Services PrepaidMaintenanceAndOtherServices	7343000
CY2014Q4	ter	Contract And Manufacturer Prepaid ContractAndManufacturerPrepaid	65972000
CY2009Q1	us-gaap	Debt Instrument Term DebtInstrumentTerm	P5Y
CY2013Q4	us-gaap	Fair Value Inputs Discount Rate FairValueInputsDiscountRate	0.052	pure
CY2013Q4	us-gaap	Proceeds From Issuance Or Sale Of Equity ProceedsFromIssuanceOrSaleOfEquity	34200000
CY2014Q4	us-gaap	Fair Value Inputs Discount Rate FairValueInputsDiscountRate	0.047	pure
CY2014Q4	us-gaap	Finitelived Intangible Assets Acquired1 FinitelivedIntangibleAssetsAcquired1	9080000
	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	2600000	shares
	us-gaap	Treasury Stock Acquired Average Cost Per Share TreasuryStockAcquiredAverageCostPerShare	11.84
	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	31200000
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	4.09
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	3.42
CY2013Q1	us-gaap	Stock Issued During Period Shares Employee Stock Purchase Plans StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans	600000	shares
CY2012Q3	us-gaap	Stock Issued During Period Shares Employee Stock Purchase Plans StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans	600000	shares
CY2013Q3	us-gaap	Stock Issued During Period Shares Employee Stock Purchase Plans StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans	400000	shares
CY2014Q3	us-gaap	Stock Issued During Period Shares Employee Stock Purchase Plans StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans	500000	shares
CY2014Q1	us-gaap	Stock Issued During Period Shares Employee Stock Purchase Plans StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans	400000	shares
CY2014Q1	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	6600000
CY2013	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.70
CY2013	us-gaap	Income Tax Holiday Income Tax Benefits Per Share IncomeTaxHolidayIncomeTaxBenefitsPerShare	0.02
CY2013	us-gaap	Incremental Common Shares Attributable To Conversion Of Debt Securities IncrementalCommonSharesAttributableToConversionOfDebtSecurities	23341000	shares
CY2013	us-gaap	Incremental Common Shares Attributable To Equity Unit Purchase Agreements IncrementalCommonSharesAttributableToEquityUnitPurchaseAgreements	36000	shares
CY2013	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeited In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod	122000	shares
CY2013	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod	213000	shares
CY2013	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1	P4Y10M24D
CY2013	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	3.28
CY2013	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	44827000	shares
CY2013	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	6.09
CY2013	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.183	pure
CY2013	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	-0.114	pure
CY2013	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	268710000
CY2013	us-gaap	Product Warranty Accrual Period Increase Decrease ProductWarrantyAccrualPeriodIncreaseDecrease	6700000
CY2013	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	16.53
CY2013	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	104000	shares
CY2013	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	0	shares
CY2013	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.001	pure
CY2013	us-gaap	Extended Product Warranty Accrual Period Increase Decrease ExtendedProductWarrantyAccrualPeriodIncreaseDecrease	34900000
CY2013	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Purchase Price Of Common Stock Percent SharebasedCompensationArrangementBySharebasedPaymentAwardPurchasePriceOfCommonStockPercent	0.85	pure
CY2013	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod	2110000	shares
CY2013	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	0.004	pure
CY2013	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.027	pure
CY2013	us-gaap	Incremental Common Shares Attributable To Call Options And Warrants IncrementalCommonSharesAttributableToCallOptionsAndWarrants	18795000	shares
CY2013	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	10.40
CY2013	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P4Y10M24D
CY2013	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	2.57
CY2013	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeitures Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue	15.48
CY2013	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	235599000	shares
CY2013	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.86
CY2013	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Other EffectiveIncomeTaxRateReconciliationNondeductibleExpenseOther	-0.001	pure
CY2013	us-gaap	Finite Lived Intangible Asset Useful Life FiniteLivedIntangibleAssetUsefulLife	P6Y10M24D
CY2013	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P4Y3M18D
CY2013	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	16.56
CY2013	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.350	pure
CY2013	us-gaap	Effective Income Tax Rate Reconciliation Tax Contingencies EffectiveIncomeTaxRateReconciliationTaxContingencies	0.042	pure
CY2013	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Research EffectiveIncomeTaxRateReconciliationTaxCreditsResearch	-0.072	pure
CY2013	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	1220000	shares
CY2013	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	190772000	shares
CY2013	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	2112000
CY2013	us-gaap	Product Warranty Accrual Warranties Issued ProductWarrantyAccrualWarrantiesIssued	10574000
CY2013	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	1170506000
CY2013	us-gaap	Payments For Proceeds From Life Insurance Policies PaymentsForProceedsFromLifeInsurancePolicies	307000
CY2013	us-gaap	Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Net Of Tax OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax	-276000
CY2013	us-gaap	Gross Profit GrossProfit	808801000
CY2013	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	38156000
CY2013	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	122693000
CY2013	us-gaap	Gain Loss On Foreign Currency Derivative Instruments Not Designated As Hedging Instruments GainLossOnForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstruments	-5933000
CY2013	us-gaap	Foreign Currency Transaction Gain Loss Unrealized ForeignCurrencyTransactionGainLossUnrealized	-6900000
CY2013	us-gaap	Valuation Allowance Deferred Tax Asset Change In Amount ValuationAllowanceDeferredTaxAssetChangeInAmount	-19500000
CY2013	us-gaap	Sales Revenue Goods Net SalesRevenueGoodsNet	1154922000
CY2013	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	2534000
CY2013	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	-1097000
CY2013	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-1820000
CY2013	us-gaap	Foreign Currency Transaction Gain Loss Realized ForeignCurrencyTransactionGainLossRealized	5900000
CY2013	us-gaap	Excess Tax Benefit From Share Based Compensation Operating Activities ExcessTaxBenefitFromShareBasedCompensationOperatingActivities	2675000
CY2013	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax	-276000
CY2013	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-21170000
CY2013	us-gaap	Income Tax Reconciliation Tax Holidays IncomeTaxReconciliationTaxHolidays	4700000
CY2013	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	14999000
CY2013	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-1544000
CY2013	us-gaap	Operating Income Loss OperatingIncomeLoss	190659000
CY2013	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	163127000
CY2013	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	201922000
CY2013	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	4586000
CY2013	us-gaap	Product Warranty Accrual Preexisting Increase Decrease ProductWarrantyAccrualPreexistingIncreaseDecrease	-3534000
CY2013	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	33231000
CY2013	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	12192000
CY2013	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax	6900000
CY2013	us-gaap	Revenues Revenues	1427933000
CY2013	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	106731000
CY2013	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-1107000
CY2013	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	257000
CY2013	us-gaap	Net Income Loss NetIncomeLoss	164947000
CY2013	us-gaap	Investment Income Interest InvestmentIncomeInterest	4129000
CY2013	us-gaap	Interest Paid InterestPaid	8590000
CY2013	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	3656000
CY2013	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	35612000
CY2013	us-gaap	Adjustments To Additional Paid In Capital Tax Effect From Share Based Compensation AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation	2596000
CY2013	us-gaap	Sales Revenue Services Net SalesRevenueServicesNet	273011000
CY2013	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-1097000
CY2013	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	79229000
CY2013	us-gaap	Gain Loss On Sale Of Equity Investments GainLossOnSaleOfEquityInvestments	34212000
CY2013	us-gaap	Extended Product Warranty Accrual Warranties Issued ExtendedProductWarrantyAccrualWarrantiesIssued	20630000
CY2013	us-gaap	Defined Benefit Plan Actuarial Gain Loss DefinedBenefitPlanActuarialGainLoss	10340000
CY2013	us-gaap	Available For Sale Securities Gross Realized Gains AvailableForSaleSecuritiesGrossRealizedGains	1000000
CY2013	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-4284000
CY2013	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	150687000
CY2013	us-gaap	Income Tax Examination Penalties And Interest Expense IncomeTaxExaminationPenaltiesAndInterestExpense	200000
CY2013	us-gaap	Interest Expense InterestExpense	26097000
CY2013	us-gaap	Operating Expenses OperatingExpenses	618142000
CY2013	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	279560000
CY2013	us-gaap	Adjustment For Amortization AdjustmentForAmortization	93370000
CY2013	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-238000
CY2013	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	2675000
CY2013	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements	388000
CY2013	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	1648000
CY2013	us-gaap	Interest Expense Debt InterestExpenseDebt	25178000
CY2013	us-gaap	Product Warranty Accrual Payments ProductWarrantyAccrualPayments	10166000
CY2013	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	72447000
CY2013	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	2718000
CY2013	us-gaap	Cost Of Services CostOfServices	120102000
CY2013	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-1386000
CY2013	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	36975000
CY2013	us-gaap	Increase Decrease In Pension And Postretirement Obligations IncreaseDecreaseInPensionAndPostretirementObligations	-5540000
CY2013	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	16500000
CY2013	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	18051000
CY2013	us-gaap	Cost Of Goods Sold CostOfGoodsSold	499030000
CY2013	us-gaap	Cost Of Revenue CostOfRevenue	619132000
CY2013	us-gaap	Depreciation Depreciation	57317000
CY2013	us-gaap	Net Cash Provided By Used In Financing Activities Continuing Operations NetCashProvidedByUsedInFinancingActivitiesContinuingOperations	17349000
CY2013	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-216000
CY2013	us-gaap	Amortization Of Debt Discount Premium AmortizationOfDebtDiscountPremium	16628000
CY2013	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	-269000
CY2013	us-gaap	Extended Product Warranty Accrual Payments ExtendedProductWarrantyAccrualPayments	13765000
CY2013	us-gaap	Inventory Write Down InventoryWriteDown	16592000
CY2013	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	-283341000
CY2013	us-gaap	Proceeds From Issuance Or Sale Of Equity ProceedsFromIssuanceOrSaleOfEquity	34212000
CY2013	us-gaap	Research And Development Expense Excluding Acquired In Process Cost ResearchAndDevelopmentExpenseExcludingAcquiredInProcessCost	264055000
CY2013	us-gaap	Advertising Expense AdvertisingExpense	1700000
CY2013	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	22509000
CY2013	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	40291000
CY2013	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	723000
CY2013	us-gaap	Available For Sale Securities Gross Realized Losses AvailableForSaleSecuritiesGrossRealizedLosses	0
CY2013	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	15205000
CY2013	us-gaap	Increase Decrease In Deferred Revenue And Customer Advances And Deposits IncreaseDecreaseInDeferredRevenueAndCustomerAdvancesAndDeposits	-28979000
CY2013	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans Including Stock Options ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions	17596000
CY2013	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	516499000
CY2013	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	458491000
CY2013	us-gaap	Share Based Compensation ShareBasedCompensation	36612000
CY2013	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	16848000
CY2013	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-1692000
CY2013	us-gaap	Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Tax OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditTax	-159000
CY2013	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	447000
CY2013	us-gaap	Restructuring Settlement And Impairment Provisions RestructuringSettlementAndImpairmentProvisions	2080000
CY2013	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	4161000
CY2013	ter	Share Based Compensation Arrangement By Share Based Payment Award Options Cancelled In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsCancelledInPeriodWeightedAverageExercisePrice	8.05
CY2013	ter	Contractual Interest Expense On Coupon ContractualInterestExpenseOnCoupon	8550000
CY2013	ter	Book Value Of Internally Manufactured Test Systems Sold BookValueOfInternallyManufacturedTestSystemsSold	9000000
CY2013	ter	Reclassification From Accumulated Other Comprehensive Income Current Period Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodTax	416000
CY2013	ter	Total Stock Based Compensation Expenses After Income Taxes TotalStockBasedCompensationExpensesAfterIncomeTaxes	26850000
CY2013	ter	Stock Issued During Period Shares Sale Of Stock And Exercise Of Stock Options StockIssuedDuringPeriodSharesSaleOfStockAndExerciseOfStockOptions	400000	shares
CY2013	ter	Share Based Compensation Arrangement By Share Based Payment Award Options Cancelled In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsCancelledInPeriod	24000	shares
CY2013	ter	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Additional Shares Reserved In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdditionalSharesReservedInPeriod	10000000	shares
CY2013	ter	Stock Issued During Period Value Share Based Compensation Net Of Shares Withheld For Taxes StockIssuedDuringPeriodValueShareBasedCompensationNetOfSharesWithheldForTaxes	5404000
CY2013	ter	Deferred Income Tax Expense Benefit Net Of Adjustments DeferredIncomeTaxExpenseBenefitNetOfAdjustments	-3316000
CY2013	ter	Payment Of Contingent Consideration Financing PaymentOfContingentConsiderationFinancing	388000
CY2013	ter	Increase Decrease In Prepaid Expense And Other Assets IncreaseDecreaseInPrepaidExpenseAndOtherAssets	49572000
CY2014	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.37
CY2014	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Impairment Losses EffectiveIncomeTaxRateReconciliationNondeductibleExpenseImpairmentLosses	0.363	pure
CY2014	us-gaap	Income Tax Holiday Income Tax Benefits Per Share IncomeTaxHolidayIncomeTaxBenefitsPerShare	0.06
CY2014	us-gaap	Incremental Common Shares Attributable To Conversion Of Debt Securities IncrementalCommonSharesAttributableToConversionOfDebtSecurities	5013000	shares
CY2014	us-gaap	Incremental Common Shares Attributable To Equity Unit Purchase Agreements IncrementalCommonSharesAttributableToEquityUnitPurchaseAgreements	31000	shares
CY2014	us-gaap	Longterm Purchase Commitment Period LongtermPurchaseCommitmentPeriod	P1Y
CY2014	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeited In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod	189000	shares
CY2014	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod	89000	shares
CY2014	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1	P4Y6M
CY2014	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	5.34
CY2014	dei	Document Type DocumentType	10-K
CY2014	dei	Entity Registrant Name EntityRegistrantName	TERADYNE, INC
CY2014	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2014	dei	Trading Symbol TradingSymbol	TER
CY2014	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	19642000	shares
CY2014	us-gaap	Description Of New Accounting Pronouncements Not Yet Adopted DescriptionOfNewAccountingPronouncementsNotYetAdopted	<div> <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 18px"><font style="FONT-FAMILY: Times New Roman" size="2"><b>C.    RECENTLY ISSUED ACCOUNTING PRONOUNCEMENTS</b></font></p> <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 6px; TEXT-INDENT: 4%"> <font style="FONT-FAMILY: Times New Roman" size="2">In May 2014, the FASB issued ASU 2014-09, <i>“Revenue from Contracts with Customers (Topic 606)”</i> which will replace numerous requirements in U.S. GAAP, including industry-specific requirements, and provide companies with a single revenue recognition model for recognizing revenue from contracts with customers. The core principle of the new standard is that a company should recognize revenue to show the transfer of promised goods or services to customers in an amount that reflects the consideration to which the company expects to be entitled to in exchange for those goods or services. The new standard will be effective for annual reporting periods beginning after December 15, 2016, including interim periods within that reporting period. For Teradyne, the standard will be effective in the first quarter of 2017. The two permitted transition methods under the new standard are the full retrospective method, in which case the standard would be applied to each prior reporting period presented, or the modified retrospective method, in which case the cumulative effect of applying the standard would be recognized at the date of initial application. Teradyne has not yet selected a transition method. Teradyne is currently evaluating the impact of this ASU on its financial position and results of operations.</font></p> </div>
CY2014	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	5.49
CY2014	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2014	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2014	us-gaap	Defined Contribution Plan Employers Matching Contribution Annual Vesting Percentage DefinedContributionPlanEmployersMatchingContributionAnnualVestingPercentage	0.25	pure
CY2014	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.148	pure
CY2014	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	-0.581	pure
CY2014	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1 EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1	P2Y4M24D
CY2014	us-gaap	Nature Of Operations NatureOfOperations	<div> <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2"><b>A.    THE COMPANY</b></font></p> <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 6px; TEXT-INDENT: 4%"> <font style="FONT-FAMILY: Times New Roman" size="2">Teradyne, Inc. is a leading global supplier of automatic test equipment. Teradyne’s automatic test equipment products and services include:</font></p> <p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 6px; MARGIN-TOP: 0px">  </p> <table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="100%" border="0"> <tr> <td width="4%"><font size="1"> </font></td> <td valign="top" width="3%" align="left"><font style="FONT-FAMILY: Times New Roman" size="2">•</font></td> <td valign="top" width="1%"><font size="1"> </font></td> <td valign="top" align="left"> <p align="left"><font style="FONT-FAMILY: Times New Roman" size="2">semiconductor test (“Semiconductor Test”) systems;</font></p> </td> </tr> </table> <p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 6px; MARGIN-TOP: 0px">  </p> <table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="100%" border="0"> <tr> <td width="4%"><font size="1"> </font></td> <td valign="top" width="3%" align="left"><font style="FONT-FAMILY: Times New Roman" size="2">•</font></td> <td valign="top" width="1%"><font size="1"> </font></td> <td valign="top" align="left"> <p align="left"><font style="FONT-FAMILY: Times New Roman" size="2">wireless test (“Wireless Test”) systems; and</font></p> </td> </tr> </table> <p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 6px; MARGIN-TOP: 0px">  </p> <table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="100%" border="0"> <tr> <td width="4%"><font size="1"> </font></td> <td valign="top" width="3%" align="left"><font style="FONT-FAMILY: Times New Roman" size="2">•</font></td> <td valign="top" width="1%"><font size="1"> </font></td> <td valign="top" align="left"> <p align="left"><font style="FONT-FAMILY: Times New Roman" size="2">defense/aerospace (“Defense/Aerospace”) test instrumentation and systems, storage test (“Storage Test”) systems, and circuit-board test and inspection (“Production Board Test”) systems (collectively these products represent “System Test”).</font></p> </td> </tr> </table> </div>
CY2014	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	492062000
CY2014	us-gaap	Product Warranty Accrual Period Increase Decrease ProductWarrantyAccrualPeriodIncreaseDecrease	8900000
CY2014	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	19.30
CY2014	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Expiration Period SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod	P7Y
CY2014	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	38000	shares
CY2014	invest	Investment Options Exercise Price InvestmentOptionsExercisePrice	5.48
CY2014	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	0	shares
CY2014	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	-0.001	pure
CY2014	us-gaap	Extended Product Warranty Accrual Period Increase Decrease ExtendedProductWarrantyAccrualPeriodIncreaseDecrease	43300000
CY2014	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Purchase Price Of Common Stock Percent SharebasedCompensationArrangementBySharebasedPaymentAwardPurchasePriceOfCommonStockPercent	0.85	pure
CY2014	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod	1870000	shares
CY2014	dei	Document Period End Date DocumentPeriodEndDate	2014-12-31
CY2014	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.017	pure
CY2014	us-gaap	Income Tax Holiday Termination Date IncomeTaxHolidayTerminationDate	December 31, 2015
CY2014	us-gaap	Incremental Common Shares Attributable To Call Options And Warrants IncrementalCommonSharesAttributableToCallOptionsAndWarrants	12562000	shares
CY2014	us-gaap	Number Of Operating Segments NumberOfOperatingSegments	3	Segment
CY2014	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	14.38
CY2014	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Maximum Number Of Shares Per Employee ShareBasedCompensationArrangementByShareBasedPaymentAwardMaximumNumberOfSharesPerEmployee	6000	shares
CY2014	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P4Y6M
CY2014	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	3.59
CY2014	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeitures Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue	17.21
CY2014	dei	Amendment Flag AmendmentFlag	false
CY2014	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2014	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2014
CY2014	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	222550000	shares
CY2014	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.40
CY2014	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Other EffectiveIncomeTaxRateReconciliationNondeductibleExpenseOther	0.034	pure
CY2014	us-gaap	Finite Lived Intangible Asset Useful Life FiniteLivedIntangibleAssetUsefulLife	P6Y9M18D
CY2014	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P4Y2M12D
CY2014	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	19.16
CY2014	dei	Entity Central Index Key EntityCentralIndexKey	0000097210
CY2014	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.18
CY2014	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.350	pure
CY2014	us-gaap	Effective Income Tax Rate Reconciliation Tax Contingencies EffectiveIncomeTaxRateReconciliationTaxContingencies	0.079	pure
CY2014	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Research EffectiveIncomeTaxRateReconciliationTaxCreditsResearch	-0.079	pure
CY2014	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2014	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	1248000	shares
CY2014	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2014	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	202908000	shares
CY2014	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	3781000
CY2014	us-gaap	Product Warranty Accrual Warranties Issued ProductWarrantyAccrualWarrantiesIssued	15406000
CY2014	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	1578743000
CY2014	us-gaap	Payments For Proceeds From Life Insurance Policies PaymentsForProceedsFromLifeInsurancePolicies	-4184000
CY2014	us-gaap	Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Net Of Tax OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax	-295000
CY2014	us-gaap	Gross Profit GrossProfit	878808000
CY2014	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	25893000
CY2014	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	247265000
CY2014	us-gaap	Gain Loss On Foreign Currency Derivative Instruments Not Designated As Hedging Instruments GainLossOnForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstruments	237000
CY2014	us-gaap	Foreign Currency Transaction Gain Loss Unrealized ForeignCurrencyTransactionGainLossUnrealized	-900000
CY2014	us-gaap	Valuation Allowance Deferred Tax Asset Change In Amount ValuationAllowanceDeferredTaxAssetChangeInAmount	1300000
CY2014	us-gaap	Sales Revenue Goods Net SalesRevenueGoodsNet	1364024000
CY2014	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	190972000
CY2014	us-gaap	Payments Of Dividends PaymentsOfDividends	37425000
CY2014	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	2417000
CY2014	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	689000
CY2014	us-gaap	Foreign Currency Transaction Gain Loss Realized ForeignCurrencyTransactionGainLossRealized	-200000
CY2014	us-gaap	Excess Tax Benefit From Share Based Compensation Operating Activities ExcessTaxBenefitFromShareBasedCompensationOperatingActivities	535000
CY2014	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax	-295000
CY2014	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-51172000
CY2014	us-gaap	Income Tax Reconciliation Tax Holidays IncomeTaxReconciliationTaxHolidays	13200000
CY2014	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Gain Loss Included In Earnings FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings	-630000
CY2014	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	19419000
CY2014	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	984000
CY2014	us-gaap	Operating Income Loss OperatingIncomeLoss	96423000
CY2014	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	81961000
CY2014	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	95376000
CY2014	us-gaap	Defined Benefit Plan Effect Of One Percentage Point Decrease On Service And Interest Cost Components1 DefinedBenefitPlanEffectOfOnePercentagePointDecreaseOnServiceAndInterestCostComponents1	6000
CY2014	us-gaap	Defined Benefit Plan Effect Of One Percentage Point Increase On Accumulated Postretirement Benefit Obligation DefinedBenefitPlanEffectOfOnePercentagePointIncreaseOnAccumulatedPostretirementBenefitObligation	87000
CY2014	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	8414000
CY2014	us-gaap	Product Warranty Accrual Preexisting Increase Decrease ProductWarrantyAccrualPreexistingIncreaseDecrease	-2008000
CY2014	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-372000
CY2014	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	12018000
CY2014	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax	900000
CY2014	us-gaap	Revenues Revenues	1647824000
CY2014	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	168982000
CY2014	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-3505000
CY2014	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	645000
CY2014	us-gaap	Net Income Loss NetIncomeLoss	81272000
CY2014	us-gaap	Investment Income Interest InvestmentIncomeInterest	6259000
CY2014	us-gaap	Interest Paid InterestPaid	4294000
CY2014	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-8060000
CY2014	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	39868000
CY2014	us-gaap	Adjustments To Additional Paid In Capital Tax Effect From Share Based Compensation AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation	209000
CY2014	us-gaap	Sales Revenue Services Net SalesRevenueServicesNet	283800000
CY2014	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	2417000
CY2014	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	-151889000
CY2014	us-gaap	Extended Product Warranty Accrual Warranties Issued ExtendedProductWarrantyAccrualWarrantiesIssued	29519000
CY2014	us-gaap	Defined Benefit Plan Actuarial Gain Loss DefinedBenefitPlanActuarialGainLoss	-46564000
CY2014	us-gaap	Available For Sale Securities Gross Realized Gains AvailableForSaleSecuritiesGrossRealizedGains	2400000
CY2014	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-4411000
CY2014	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	152544000
CY2014	us-gaap	Income Tax Examination Penalties And Interest Expense IncomeTaxExaminationPenaltiesAndInterestExpense	200000
CY2014	us-gaap	Interest Expense InterestExpense	6934000
CY2014	us-gaap	Operating Expenses OperatingExpenses	782385000
CY2014	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	319713000
CY2014	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	500000
CY2014	us-gaap	Adjustment For Amortization AdjustmentForAmortization	79154000
CY2014	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1	-630000
CY2014	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	925000
CY2014	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	535000
CY2014	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	8900000
CY2014	us-gaap	Interest Expense Debt InterestExpenseDebt	6250000
CY2014	us-gaap	Product Warranty Accrual Payments ProductWarrantyAccrualPayments	11116000
CY2014	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	70771000
CY2014	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-47382000
CY2014	us-gaap	Cost Of Services CostOfServices	128229000
CY2014	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-404000
CY2014	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	14104000
CY2014	us-gaap	Increase Decrease In Pension And Postretirement Obligations IncreaseDecreaseInPensionAndPostretirementObligations	-33916000
CY2014	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	16000000
CY2014	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	5197000
CY2014	us-gaap	Cost Of Goods Sold CostOfGoodsSold	640787000
CY2014	us-gaap	Cost Of Revenue CostOfRevenue	769016000
CY2014	us-gaap	Defined Benefit Plan Effect Of One Percentage Point Decrease On Accumulated Postretirement Benefit Obligation1 DefinedBenefitPlanEffectOfOnePercentagePointDecreaseOnAccumulatedPostretirementBenefitObligation1	83000
CY2014	us-gaap	Depreciation Depreciation	73390000
CY2014	us-gaap	Dividends Cash DividendsCash	37425000
CY2014	us-gaap	Net Cash Provided By Used In Financing Activities Continuing Operations NetCashProvidedByUsedInFinancingActivitiesContinuingOperations	-206571000
CY2014	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-1449000
CY2014	us-gaap	Amortization Of Debt Discount Premium AmortizationOfDebtDiscountPremium	4493000
CY2014	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	678000
CY2014	us-gaap	Extended Product Warranty Accrual Payments ExtendedProductWarrantyAccrualPayments	21128000
CY2014	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	98897000
CY2014	us-gaap	Inventory Write Down InventoryWriteDown	22193000
CY2014	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	-332873000
CY2014	us-gaap	Research And Development Expense Excluding Acquired In Process Cost ResearchAndDevelopmentExpenseExcludingAcquiredInProcessCost	291639000
CY2014	us-gaap	Advertising Expense AdvertisingExpense	1900000
CY2014	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	400000
CY2014	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	28157000
CY2014	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	34032000
CY2014	us-gaap	Defined Benefit Plan Effect Of One Percentage Point Increase On Service And Interest Cost Components DefinedBenefitPlanEffectOfOnePercentagePointIncreaseOnServiceAndInterestCostComponents	6000
CY2014	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	1728000
CY2014	us-gaap	Available For Sale Securities Gross Realized Losses AvailableForSaleSecuritiesGrossRealizedLosses	0
CY2014	us-gaap	Increase Decrease In Deferred Revenue And Customer Advances And Deposits IncreaseDecreaseInDeferredRevenueAndCustomerAdvancesAndDeposits	22033000
CY2014	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans Including Stock Options ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions	21291000
CY2014	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	570358000
CY2014	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	859729000
CY2014	us-gaap	Severance Costs1 SeveranceCosts1	400000
CY2014	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-45430000
CY2014	us-gaap	Share Based Compensation ShareBasedCompensation	40307000
CY2014	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	17847000
CY2014	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-20449000
CY2014	us-gaap	Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Tax OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditTax	-169000
CY2014	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	1433000
CY2014	us-gaap	Restructuring Settlement And Impairment Provisions RestructuringSettlementAndImpairmentProvisions	1365000
CY2014	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	2480000
CY2014	ter	Share Based Compensation Arrangement By Share Based Payment Award Options Cancelled In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsCancelledInPeriodWeightedAverageExercisePrice	2.21
CY2014	ter	Contractual Interest Expense On Coupon ContractualInterestExpenseOnCoupon	1757000
CY2014	ter	Maximum Employment Period Considered For Vesting Of Employers Contribution MaximumEmploymentPeriodConsideredForVestingOfEmployersContribution	4	Y
CY2014	ter	Number Of Customer Accounted For Ten Percent Or Greater Revenue NumberOfCustomerAccountedForTenPercentOrGreaterRevenue	0	Customer
CY2014	ter	Book Value Of Internally Manufactured Test Systems Sold BookValueOfInternallyManufacturedTestSystemsSold	9700000
CY2014	ter	Reclassification From Accumulated Other Comprehensive Income Current Period Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodTax	814000
CY2014	ter	Maximum Shares Can Be Purchased Under Plan At Fair Market Value MaximumSharesCanBePurchasedUnderPlanAtFairMarketValue	25000
CY2014	ter	Total Stock Based Compensation Expenses After Income Taxes TotalStockBasedCompensationExpensesAfterIncomeTaxes	28771000
CY2014	ter	Stock Issued During Period Shares Sale Of Stock And Exercise Of Stock Options StockIssuedDuringPeriodSharesSaleOfStockAndExerciseOfStockOptions	300000	shares
CY2014	ter	Savings Plan Maximum Percentage Of Employees Contribution Allowable SavingsPlanMaximumPercentageOfEmployeesContributionAllowable	0.20	pure
CY2014	ter	Share Based Compensation Arrangement By Share Based Payment Award Options Cancelled In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsCancelledInPeriod	2000	shares
CY2014	ter	Stock Issued During Period Value Share Based Compensation Net Of Shares Withheld For Taxes StockIssuedDuringPeriodValueShareBasedCompensationNetOfSharesWithheldForTaxes	9273000
CY2014	ter	Class Of Warrant Or Right Number Of Securities Called By Warrants ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrants	21200000	shares
CY2014	ter	Depreciation Over Life To Cost Of Revenues And Selling And Administrative Expenses Years DepreciationOverLifeToCostOfRevenuesAndSellingAndAdministrativeExpensesYears	P6Y
CY2014	ter	Deferred Income Tax Expense Benefit Net Of Adjustments DeferredIncomeTaxExpenseBenefitNetOfAdjustments	-19928000
CY2014	ter	Class Of Warrant Or Right Exercise Price Of Warrants Or Rights Issued ClassOfWarrantOrRightExercisePriceOfWarrantsOrRightsIssued	7.6348
CY2014	ter	Increase Decrease In Prepaid Expense And Other Assets IncreaseDecreaseInPrepaidExpenseAndOtherAssets	-41537000
CY2014	ter	Increase Decrease In Unrecognized Tax Benefit IncreaseDecreaseInUnrecognizedTaxBenefit	800000
CY2012	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.94
CY2012	us-gaap	Income Tax Holiday Income Tax Benefits Per Share IncomeTaxHolidayIncomeTaxBenefitsPerShare	0.05
CY2012	us-gaap	Incremental Common Shares Attributable To Conversion Of Debt Securities IncrementalCommonSharesAttributableToConversionOfDebtSecurities	22367000	shares
CY2012	us-gaap	Incremental Common Shares Attributable To Equity Unit Purchase Agreements IncrementalCommonSharesAttributableToEquityUnitPurchaseAgreements	64000	shares
CY2012	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeited In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod	204000	shares
CY2012	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod	151000	shares
CY2012	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1	P5Y7M6D
CY2012	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	3.87
CY2012	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	43368000	shares
CY2012	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	6.85
CY2012	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.184	pure
CY2012	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	-0.105	pure
CY2012	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	402949000
CY2012	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	16.67
CY2012	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	203000	shares
CY2012	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	0	shares
CY2012	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	-0.017	pure
CY2012	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Purchase Price Of Common Stock Percent SharebasedCompensationArrangementBySharebasedPaymentAwardPurchasePriceOfCommonStockPercent	0.85	pure
CY2012	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod	1844000	shares
CY2012	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	-0.005	pure
CY2012	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.001	pure
CY2012	us-gaap	Incremental Common Shares Attributable To Call Options And Warrants IncrementalCommonSharesAttributableToCallOptionsAndWarrants	17433000	shares
CY2012	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	9.29
CY2012	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P5Y8M12D
CY2012	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	3.11
CY2012	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeitures Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue	13.32
CY2012	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	230246000	shares
CY2012	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.16
CY2012	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Other EffectiveIncomeTaxRateReconciliationNondeductibleExpenseOther	-0.028	pure
CY2012	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P4Y10M24D
CY2012	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	16.95
CY2012	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.350	pure
CY2012	us-gaap	Effective Income Tax Rate Reconciliation Tax Contingencies EffectiveIncomeTaxRateReconciliationTaxContingencies	-0.012	pure
CY2012	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	1396000	shares
CY2012	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	186878000	shares
CY2012	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	2259000
CY2012	us-gaap	Product Warranty Accrual Warranties Issued ProductWarrantyAccrualWarrantiesIssued	14704000
CY2012	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	748229000
CY2012	us-gaap	Payments For Proceeds From Life Insurance Policies PaymentsForProceedsFromLifeInsurancePolicies	-1451000
CY2012	us-gaap	Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Net Of Tax OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax	-233000
CY2012	us-gaap	Gross Profit GrossProfit	886037000
CY2012	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	8084000
CY2012	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	153968000
CY2012	us-gaap	Gain Loss On Foreign Currency Derivative Instruments Not Designated As Hedging Instruments GainLossOnForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstruments	-3974000
CY2012	us-gaap	Foreign Currency Transaction Gain Loss Unrealized ForeignCurrencyTransactionGainLossUnrealized	-4500000
CY2012	us-gaap	Sales Revenue Goods Net SalesRevenueGoodsNet	1383569000
CY2012	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	2533000
CY2012	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	1074000
CY2012	us-gaap	Foreign Currency Transaction Gain Loss Realized ForeignCurrencyTransactionGainLossRealized	4000000
CY2012	us-gaap	Excess Tax Benefit From Share Based Compensation Operating Activities ExcessTaxBenefitFromShareBasedCompensationOperatingActivities	8490000
CY2012	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax	-233000
CY2012	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-17652000
CY2012	us-gaap	Income Tax Reconciliation Tax Holidays IncomeTaxReconciliationTaxHolidays	10900000
CY2012	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	1307000
CY2012	us-gaap	Operating Income Loss OperatingIncomeLoss	287368000
CY2012	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	218123000
CY2012	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	265976000
CY2012	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	459000
CY2012	us-gaap	Product Warranty Accrual Preexisting Increase Decrease ProductWarrantyAccrualPreexistingIncreaseDecrease	877000
CY2012	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-948000
CY2012	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	11582000
CY2012	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax	4500000
CY2012	us-gaap	Revenues Revenues	1656750000
CY2012	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	119080000
CY2012	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	2250000
CY2012	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	201000
CY2012	us-gaap	Net Income Loss NetIncomeLoss	217049000
CY2012	us-gaap	Investment Income Interest InvestmentIncomeInterest	4090000
CY2012	us-gaap	Interest Paid InterestPaid	8602000
CY2012	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	24093000
CY2012	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	39920000
CY2012	us-gaap	Adjustments To Additional Paid In Capital Tax Effect From Share Based Compensation AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation	8358000
CY2012	us-gaap	Sales Revenue Services Net SalesRevenueServicesNet	273181000
CY2012	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	2009000
CY2012	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	112008000
CY2012	us-gaap	Extended Product Warranty Accrual Warranties Issued ExtendedProductWarrantyAccrualWarrantiesIssued	22704000
CY2012	us-gaap	Defined Benefit Plan Actuarial Gain Loss DefinedBenefitPlanActuarialGainLoss	-23320000
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Files In Submission

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$TER
TERADYNE, INC Stock $ter

2015 Q1 Form 10-K Financial Statement

#000119312515067671 Filed on February 27, 2015

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$TER TERADYNE, INC Stock $ter

2015 Q1 Form 10-K Financial Statement

#000119312515067671 Filed on February 27, 2015

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$TER
TERADYNE, INC Stock $ter