$TER
TERADYNE, INC Stock $ter

$ter Overview Financials Valuation SEC Filings Company Website

2022 Q3 Form 10-Q Financial Statement

#000119312522213485 Filed on August 05, 2022

Income Statement

Concept	2022 Q3	2022 Q2	2021 Q4
Revenue	$840.8M	$755.4M	$950.5M
YoY Change	-22.56%	-3.36%	25.24%
Cost Of Revenue	$334.4M	$300.4M	$379.5M
YoY Change	-23.79%	-6.11%	22.74%
Gross Profit	$506.4M	$454.9M	$571.0M
YoY Change	-21.73%	-1.44%	26.95%
Gross Profit Margin	60.23%	60.23%	60.07%
Selling, General & Admin	$139.5M	$140.2M	$134.8M
YoY Change	-0.47%	8.0%	8.49%
% of Gross Profit	27.55%	30.81%	23.61%
Research & Development	$112.0M	$108.1M	$107.2M
YoY Change	1.75%	7.69%	6.37%
% of Gross Profit	22.11%	23.77%	18.78%
Depreciation & Amortization	$26.82M	$27.74M	$30.30M
YoY Change	-14.84%	-17.7%	-5.31%
% of Gross Profit	5.3%	6.1%	5.31%
Operating Expenses	$258.4M	$253.4M	$247.4M
YoY Change	0.11%	7.49%	14.69%
Operating Profit	$248.0M	$201.6M	$323.6M
YoY Change	-36.23%	-10.77%	38.24%
Interest Expense	$913.0K	$2.291M	-$3.059M
YoY Change	-83.6%	-188.12%	-148.17%
% of Operating Profit	0.37%	1.14%	-0.95%
Other Income/Expense, Net	-$9.436M	-$7.787M	-$1.433M
YoY Change	-10945.98%	21.67%	-74.4%
Pretax Income	$238.6M	$180.4M	$297.8M
YoY Change	-37.87%	-19.48%	33.57%
Income Tax	$40.81M	$18.43M	$41.04M
% Of Pretax Income	17.1%	10.22%	13.78%
Net Earnings	$197.8M	$161.9M	$256.7M
YoY Change	-39.76%	-21.2%	30.76%
Net Earnings / Revenue	23.52%	21.44%	27.01%
Basic Earnings Per Share	$1.24	$1.00	$1.56
Diluted Earnings Per Share	$1.16	$922.3K	$1.411M
COMMON SHARES
Basic Shares Outstanding	159.6M	162.0M	164.6M
Diluted Shares Outstanding	171.2M	175.6M	182.0M

Balance Sheet

Concept	2022 Q3	2022 Q2	2021 Q4
SHORT-TERM ASSETS
Cash & Short-Term Investments	$781.9M	$1.077B	$1.313B
YoY Change	-36.77%	-17.78%	-8.6%
Cash & Equivalents	$572.0M	$794.6M	$1.122B
Short-Term Investments	$209.8M	$282.0M	$233.4M
Other Short-Term Assets	$11.11M	$491.5M	$9.452M
YoY Change	-96.98%	41.37%	-96.35%
Inventory	$295.6M	$259.3M	$243.3M
Prepaid Expenses	$498.1M		$406.3M
Receivables	$683.7M	$546.9M	$550.7M
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$2.270B	$2.374B	$2.576B
YoY Change	-15.89%	-5.07%	6.66%
LONG-TERM ASSETS
Property, Plant & Equipment	$411.3M	$467.2M	$387.2M
YoY Change	-10.06%	2.91%	-13.83%
Goodwill	$397.7M		$426.0M
YoY Change			-6.13%
Intangibles	$62.51M		$75.64M
YoY Change
Long-Term Investments	$112.0M	$126.1M	$136.7M
YoY Change	-38.31%	9.11%	15.82%
Other Assets	$26.94M	$151.7M	$24.10M
YoY Change	-79.73%	27.91%	-79.01%
Total Long-Term Assets	$1.218B	$1.235B	$1.233B
YoY Change	-6.41%	1.33%	-0.3%
TOTAL ASSETS
Total Short-Term Assets	$2.270B	$2.374B	$2.576B
Total Long-Term Assets	$1.218B	$1.235B	$1.233B
Total Assets	$3.488B	$3.609B	$3.809B
YoY Change	-12.81%	-2.97%	4.3%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$175.6M	$156.5M	$153.1M
YoY Change	12.49%	-11.83%	14.53%
Accrued Expenses	$342.2M	$276.1M	$353.0M
YoY Change	-8.2%	4.89%	10.84%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due	$9.632M	$20.50M	$32.22M
YoY Change	-95.49%	84.66%	-3.25%
Total Short-Term Liabilities	$797.4M	$712.2M	$805.1M
YoY Change	-19.08%	3.7%	14.87%
LONG-TERM LIABILITIES
Long-Term Debt	$64.80M	$75.38M	$112.8M
YoY Change	-54.88%	-78.88%	-70.07%
Other Long-Term Liabilities	$324.5M	$342.1M	$348.5M
YoY Change	-6.84%	0.45%	-1.3%
Total Long-Term Liabilities	$389.3M	$417.5M	$461.3M
YoY Change	-20.87%	-40.14%	-36.8%
TOTAL LIABILITIES
Total Short-Term Liabilities	$797.4M	$712.2M	$805.1M
Total Long-Term Liabilities	$389.3M	$417.5M	$461.3M
Total Liabilities	$1.190B	$1.135B	$1.245B
YoY Change	-19.95%	-18.6%	-13.6%
SHAREHOLDERS EQUITY
Retained Earnings	$610.2M		$736.6M
YoY Change
Common Stock	$1.741B		$1.832B
YoY Change
Preferred Stock
YoY Change
Treasury Stock (at cost)	$532.8M	$201.5M	$600.0M
YoY Change
Treasury Stock Shares		$1.800M	$4.800M
Shareholders Equity	$2.299B	$2.475B	$2.562B
YoY Change
Total Liabilities & Shareholders Equity	$3.488B	$3.609B	$3.809B
YoY Change	-12.81%	-2.97%	4.3%

Cashflow Statement

Concept	2022 Q3	2022 Q2	2021 Q4
OPERATING ACTIVITIES
Net Income	$197.8M	$161.9M	$256.7M
YoY Change	-39.76%	-21.2%	30.76%
Depreciation, Depletion And Amortization	$26.82M	$27.74M	$30.30M
YoY Change	-14.84%	-17.7%	-5.31%
Cash From Operating Activities	$115.5M	$7.462M	$522.7M
YoY Change	-44.04%	-80.41%	100.71%
INVESTING ACTIVITIES
Capital Expenditures	-$45.74M	-$44.00M	-$29.21M
YoY Change	31.99%	11.96%	-23.35%
Acquisitions
YoY Change
Other Investing Activities	$74.13M	-$38.71M	$93.01M
YoY Change	-39.41%	-188.19%	-138.9%
Cash From Investing Activities	$28.38M	-$82.71M	$63.80M
YoY Change	-67.59%	-1859.85%	-123.02%
FINANCING ACTIVITIES
Cash Dividend Paid	$17.50M	$17.90M	$16.40M
YoY Change	5.42%	7.19%
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-372.2M	-254.6M	-461.4M
YoY Change	119.95%	100.97%	2996.96%
NET CHANGE
Cash From Operating Activities	115.5M	7.462M	522.7M
Cash From Investing Activities	28.38M	-82.71M	63.80M
Cash From Financing Activities	-372.2M	-254.6M	-461.4M
Net Change In Cash	-228.3M	-329.9M	125.0M
YoY Change	-283.08%	293.18%	-494.36%
FREE CASH FLOW
Cash From Operating Activities	$115.5M	$7.462M	$522.7M
Capital Expenditures	-$45.74M	-$44.00M	-$29.21M
Free Cash Flow	$161.2M	$51.46M	$551.9M
YoY Change	-33.11%	-33.51%	84.88%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value
	dei	Amendment Flag AmendmentFlag	false
	dei	Entity Central Index Key EntityCentralIndexKey	0000097210
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q2
	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
	dei	Document Type DocumentType	10-Q
	dei	Document Quarterly Report DocumentQuarterlyReport	true
	dei	Document Period End Date DocumentPeriodEndDate	2022-07-03
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2022
	dei	Document Transition Report DocumentTransitionReport	false
	dei	Entity File Number EntityFileNumber	001-06462
	dei	Entity Registrant Name EntityRegistrantName	TERADYNE, INC
	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	MA
	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	04-2272148
	dei	Entity Address Address Line1 EntityAddressAddressLine1	600 Riverpark Drive
	dei	Entity Address City Or Town EntityAddressCityOrTown	North Reading
	dei	Entity Address State Or Province EntityAddressStateOrProvince	MA
	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	01864
	dei	City Area Code CityAreaCode	978
	dei	Local Phone Number LocalPhoneNumber	370-2700
	dei	Security12b Title Security12bTitle	Common Stock
	dei	Trading Symbol TradingSymbol	TER
	dei	Security Exchange Name SecurityExchangeName	NASDAQ
	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
	dei	Entity Small Business EntitySmallBusiness	false
	dei	Entity Shell Company EntityShellCompany	false
CY2022Q3	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	156781680
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.07
CY2022Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	572023000
CY2021Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	1122199000
CY2022Q3	ter	Available For Sale Debt And Equity Securities Current AvailableForSaleDebtAndEquitySecuritiesCurrent	209846000
CY2021Q4	ter	Available For Sale Debt And Equity Securities Current AvailableForSaleDebtAndEquitySecuritiesCurrent	244231000
CY2022Q3	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	1849000
CY2021Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	2012000
CY2022Q3	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	683739000
CY2021Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	550749000
CY2022Q3	us-gaap	Inventory Net InventoryNet	295625000
CY2021Q4	us-gaap	Inventory Net InventoryNet	243330000
CY2022Q3	us-gaap	Prepaid Expense Current PrepaidExpenseCurrent	498093000
CY2021Q4	us-gaap	Prepaid Expense Current PrepaidExpenseCurrent	406266000
CY2022Q3	us-gaap	Other Assets Current OtherAssetsCurrent	11109000
CY2021Q4	us-gaap	Other Assets Current OtherAssetsCurrent	9452000
CY2022Q3	us-gaap	Assets Current AssetsCurrent	2270435000
CY2021Q4	us-gaap	Assets Current AssetsCurrent	2576227000
CY2022Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	411263000
CY2021Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	387240000
CY2022Q3	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	66661000
CY2021Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	68807000
CY2022Q3	ter	Available For Sale Debt And Equity Securities Non Current AvailableForSaleDebtAndEquitySecuritiesNonCurrent	111999000
CY2021Q4	ter	Available For Sale Debt And Equity Securities Non Current AvailableForSaleDebtAndEquitySecuritiesNonCurrent	133858000
CY2022Q3	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	126639000
CY2021Q4	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	102428000
CY2022Q3	us-gaap	Defined Benefit Plan Assets For Plan Benefits Noncurrent DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent	14245000
CY2021Q4	us-gaap	Defined Benefit Plan Assets For Plan Benefits Noncurrent DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent	15110000
CY2022Q3	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	26942000
CY2021Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	24096000
CY2022Q3	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	62509000
CY2021Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	75635000
CY2022Q3	us-gaap	Goodwill Goodwill	397733000
CY2021Q4	us-gaap	Goodwill Goodwill	426024000
CY2022Q3	us-gaap	Assets Assets	3488426000
CY2021Q4	us-gaap	Assets Assets	3809425000
CY2022Q3	us-gaap	Accounts Payable Current AccountsPayableCurrent	175606000
CY2021Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	153133000
CY2022Q3	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	190506000
CY2021Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	253667000
CY2022Q3	ter	Deferred Revenue And Customer Advances Current DeferredRevenueAndCustomerAdvancesCurrent	163127000
CY2021Q4	ter	Deferred Revenue And Customer Advances Current DeferredRevenueAndCustomerAdvancesCurrent	146185000
CY2022Q3	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	133881000
CY2021Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	124187000
CY2022Q3	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	17770000
CY2021Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	19977000
CY2022Q3	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	106863000
CY2021Q4	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	88789000
CY2022Q3	us-gaap	Convertible Debt Current ConvertibleDebtCurrent	9632000
CY2021Q4	us-gaap	Convertible Debt Current ConvertibleDebtCurrent	19182000
CY2022Q3	us-gaap	Liabilities Current LiabilitiesCurrent	797385000
CY2021Q4	us-gaap	Liabilities Current LiabilitiesCurrent	805120000
CY2022Q3	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent	141884000
CY2021Q4	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent	151141000
CY2022Q3	us-gaap	Deferred Revenue Noncurrent DeferredRevenueNoncurrent	50357000
CY2021Q4	us-gaap	Deferred Revenue Noncurrent DeferredRevenueNoncurrent	54921000
CY2022Q3	us-gaap	Other Accrued Liabilities Noncurrent OtherAccruedLiabilitiesNoncurrent	15530000
CY2021Q4	us-gaap	Other Accrued Liabilities Noncurrent OtherAccruedLiabilitiesNoncurrent	15497000
CY2022Q3	us-gaap	Deferred Tax And Other Liabilities Noncurrent DeferredTaxAndOtherLiabilitiesNoncurrent	3143000
CY2021Q4	us-gaap	Deferred Tax And Other Liabilities Noncurrent DeferredTaxAndOtherLiabilitiesNoncurrent	6327000
CY2022Q3	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	57600000
CY2021Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	56178000
CY2022Q3	us-gaap	Accrued Income Taxes Noncurrent AccruedIncomeTaxesNoncurrent	59135000
CY2021Q4	us-gaap	Accrued Income Taxes Noncurrent AccruedIncomeTaxesNoncurrent	67041000
CY2022Q3	us-gaap	Convertible Debt Noncurrent ConvertibleDebtNoncurrent	64796000
CY2021Q4	us-gaap	Convertible Debt Noncurrent ConvertibleDebtNoncurrent	89244000
CY2022Q3	us-gaap	Liabilities Liabilities	1189830000
CY2021Q4	us-gaap	Liabilities Liabilities	1245469000
CY2022Q3	us-gaap	Commitments And Contingencies CommitmentsAndContingencies
CY2021Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies
CY2021Q4	us-gaap	Redeemable Noncontrolling Interest Equity Common Carrying Amount RedeemableNoncontrollingInterestEquityCommonCarryingAmount	1512000
CY2021Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.125
CY2022Q3	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.125
CY2021Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	1000000000
CY2022Q3	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	1000000000
CY2022Q3	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	157880000
CY2022Q3	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	157880000
CY2021Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	162251000
CY2021Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	162251000
CY2022Q3	us-gaap	Common Stock Value CommonStockValue	19735000
CY2021Q4	us-gaap	Common Stock Value CommonStockValue	20281000
CY2022Q3	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	1721586000
CY2021Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	1811545000
CY2022Q3	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-52959000
CY2021Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-5948000
CY2022Q3	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	610234000
CY2021Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	736566000
CY2022Q3	us-gaap	Stockholders Equity StockholdersEquity	2298596000
CY2021Q4	us-gaap	Stockholders Equity StockholdersEquity	2562444000
CY2022Q3	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	3488426000
CY2021Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	3809425000
CY2022Q3	us-gaap	Revenues Revenues	840766000
CY2021Q3	us-gaap	Revenues Revenues	1085728000
	us-gaap	Revenues Revenues	1596136000
	us-gaap	Revenues Revenues	1867334000
CY2022Q3	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	334377000
CY2021Q3	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	438739000
	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	634814000
	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	758727000
CY2022Q3	us-gaap	Gross Profit GrossProfit	506389000
CY2021Q3	us-gaap	Gross Profit GrossProfit	646989000
	us-gaap	Gross Profit GrossProfit	961322000
	us-gaap	Gross Profit GrossProfit	1108607000
CY2022Q3	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	139533000
CY2021Q3	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	140187000
	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	279718000
	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	269984000
CY2022Q3	us-gaap	Research And Development Expense Excluding Acquired In Process Cost ResearchAndDevelopmentExpenseExcludingAcquiredInProcessCost	111951000
CY2021Q3	us-gaap	Research And Development Expense Excluding Acquired In Process Cost ResearchAndDevelopmentExpenseExcludingAcquiredInProcessCost	110021000
	us-gaap	Research And Development Expense Excluding Acquired In Process Cost ResearchAndDevelopmentExpenseExcludingAcquiredInProcessCost	220067000
	us-gaap	Research And Development Expense Excluding Acquired In Process Cost ResearchAndDevelopmentExpenseExcludingAcquiredInProcessCost	210423000
CY2022Q3	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	4871000
CY2021Q3	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	5402000
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	9934000
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	10938000
CY2022Q3	us-gaap	Restructuring Settlement And Impairment Provisions RestructuringSettlementAndImpairmentProvisions	2044000
CY2021Q3	us-gaap	Restructuring Settlement And Impairment Provisions RestructuringSettlementAndImpairmentProvisions	2507000
	us-gaap	Restructuring Settlement And Impairment Provisions RestructuringSettlementAndImpairmentProvisions	17758000
	us-gaap	Restructuring Settlement And Impairment Provisions RestructuringSettlementAndImpairmentProvisions	-4623000
CY2022Q3	us-gaap	Operating Expenses OperatingExpenses	258399000
CY2021Q3	us-gaap	Operating Expenses OperatingExpenses	258117000
	us-gaap	Operating Expenses OperatingExpenses	527477000
	us-gaap	Operating Expenses OperatingExpenses	486722000
CY2022Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	247990000
CY2021Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	388872000
	us-gaap	Operating Income Loss OperatingIncomeLoss	433845000
	us-gaap	Operating Income Loss OperatingIncomeLoss	621885000
CY2022Q3	us-gaap	Investment Income Interest InvestmentIncomeInterest	951000
CY2021Q3	us-gaap	Investment Income Interest InvestmentIncomeInterest	633000
	us-gaap	Investment Income Interest InvestmentIncomeInterest	1653000
	us-gaap	Investment Income Interest InvestmentIncomeInterest	1441000
CY2022Q3	us-gaap	Interest Expense InterestExpense	913000
CY2021Q3	us-gaap	Interest Expense InterestExpense	5566000
	us-gaap	Interest Expense InterestExpense	1925000
	us-gaap	Interest Expense InterestExpense	11569000
CY2022Q3	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-9436000
CY2021Q3	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	87000
	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-14622000
	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-3738000
CY2022Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	238592000
CY2021Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	384026000
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	418951000
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	608019000
CY2022Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	40805000
CY2021Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	55707000
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	59236000
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	74188000
CY2022Q3	us-gaap	Net Income Loss NetIncomeLoss	197787000
CY2021Q3	us-gaap	Net Income Loss NetIncomeLoss	328319000
	us-gaap	Net Income Loss NetIncomeLoss	359715000
	us-gaap	Net Income Loss NetIncomeLoss	533831000
CY2022Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.24
CY2021Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.98
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.24
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.21
CY2022Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.16
CY2021Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.76
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.07
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.85
CY2022Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	159563000
CY2021Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	165995000
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	160805000
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	166243000
CY2022Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	171159000
CY2021Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	186750000
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	173367000
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	187245000
CY2022Q3	us-gaap	Net Income Loss NetIncomeLoss	197787000
CY2021Q3	us-gaap	Net Income Loss NetIncomeLoss	328319000
	us-gaap	Net Income Loss NetIncomeLoss	359715000
	us-gaap	Net Income Loss NetIncomeLoss	533831000
CY2022Q3	us-gaap	Other Comprehensive Income Loss Foreign Currency Translation Adjustment Tax OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax	0
CY2021Q3	us-gaap	Other Comprehensive Income Loss Foreign Currency Translation Adjustment Tax OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax	0
	us-gaap	Other Comprehensive Income Loss Foreign Currency Translation Adjustment Tax OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax	0
	us-gaap	Other Comprehensive Income Loss Foreign Currency Translation Adjustment Tax OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax	0
CY2022Q3	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-29230000
CY2021Q3	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	5150000
	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-37307000
	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-15974000
CY2022Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	1240000
CY2021Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	436000
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	2573000
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	472000
CY2022Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-4522000
CY2021Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	1494000
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-9910000
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-1776000
CY2022Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	77000
CY2021Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	2000
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	59000
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	121000
CY2022Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	-274000
CY2021Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	-3000
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	-209000
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	441000
CY2022Q3	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-4248000
CY2021Q3	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	1497000
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-9701000
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-2217000
CY2022Q3	us-gaap	Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Tax OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditTax	0
CY2021Q3	us-gaap	Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Tax OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditTax	0
	us-gaap	Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Tax OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditTax	1000
	us-gaap	Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Tax OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditTax	1000
CY2022Q3	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	-2000
CY2021Q3	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	-2000
	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	-3000
	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	-3000
CY2022Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-33480000
CY2021Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	6645000
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-47011000
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-18194000
CY2022Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	164307000
CY2021Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	334964000
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	312704000
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	515637000
CY2022Q2	us-gaap	Stockholders Equity StockholdersEquity	2474532000
CY2022Q3	ter	Stock Issued During Period Value Share Based Compensation Net Of Shares Withheld For Taxes StockIssuedDuringPeriodValueShareBasedCompensationNetOfSharesWithheldForTaxes	-1671000
CY2022Q3	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	11658000
CY2022Q3	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	334334000
CY2022Q3	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.11
CY2022Q3	us-gaap	Dividends Cash DividendsCash	17561000
CY2022Q3	us-gaap	Stock Issued During Period Value Conversion Of Convertible Securities StockIssuedDuringPeriodValueConversionOfConvertibleSecurities	-87000
CY2022Q3	us-gaap	Adjustments To Additional Paid In Capital Equity Component Of Convertible Debt Subsequent Adjustments AdjustmentsToAdditionalPaidInCapitalEquityComponentOfConvertibleDebtSubsequentAdjustments	0
CY2022Q3	ter	Stockholders Equity Note Cumulative Effect Of Change In Accounting Principle Related To Convertible Debt StockholdersEquityNoteCumulativeEffectOfChangeInAccountingPrincipleRelatedToConvertibleDebt	1752000
CY2022Q3	us-gaap	Net Income Loss NetIncomeLoss	197787000
CY2022Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-33480000
CY2022Q3	us-gaap	Stockholders Equity StockholdersEquity	2298596000
CY2021Q2	us-gaap	Stockholders Equity StockholdersEquity	2324553000
CY2021Q3	ter	Stock Issued During Period Value Share Based Compensation Net Of Shares Withheld For Taxes StockIssuedDuringPeriodValueShareBasedCompensationNetOfSharesWithheldForTaxes	14310000
CY2021Q3	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	12515000
CY2021Q3	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	155995000
CY2021Q3	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.1
CY2021Q3	us-gaap	Dividends Cash DividendsCash	16624000
CY2021Q3	us-gaap	Stock Issued During Period Value Conversion Of Convertible Securities StockIssuedDuringPeriodValueConversionOfConvertibleSecurities	46023000
CY2021Q3	us-gaap	Adjustments To Additional Paid In Capital Equity Component Of Convertible Debt Subsequent Adjustments AdjustmentsToAdditionalPaidInCapitalEquityComponentOfConvertibleDebtSubsequentAdjustments	-46337000
CY2021Q3	us-gaap	Adjustments To Additional Paid In Capital Equity Component Of Convertible Debt AdjustmentsToAdditionalPaidInCapitalEquityComponentOfConvertibleDebt	-20153000
CY2021Q3	us-gaap	Net Income Loss NetIncomeLoss	328319000
CY2021Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	6645000
CY2021Q3	us-gaap	Stockholders Equity StockholdersEquity	2493256000
CY2021Q4	us-gaap	Stockholders Equity StockholdersEquity	2562444000
	ter	Stock Issued During Period Value Share Based Compensation Net Of Shares Withheld For Taxes StockIssuedDuringPeriodValueShareBasedCompensationNetOfSharesWithheldForTaxes	-16245000
	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	25862000
	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	545798000
	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.22
	us-gaap	Dividends Cash DividendsCash	35470000
	us-gaap	Stock Issued During Period Value Conversion Of Convertible Securities StockIssuedDuringPeriodValueConversionOfConvertibleSecurities	-181000
	us-gaap	Adjustments To Additional Paid In Capital Equity Component Of Convertible Debt Subsequent Adjustments AdjustmentsToAdditionalPaidInCapitalEquityComponentOfConvertibleDebtSubsequentAdjustments	0
	ter	Stockholders Equity Note Cumulative Effect Of Change In Accounting Principle Related To Convertible Debt StockholdersEquityNoteCumulativeEffectOfChangeInAccountingPrincipleRelatedToConvertibleDebt	-4720000
	us-gaap	Net Income Loss NetIncomeLoss	359715000
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-47011000
CY2022Q3	us-gaap	Stockholders Equity StockholdersEquity	2298596000
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	2207018000
	ter	Stock Issued During Period Value Share Based Compensation Net Of Shares Withheld For Taxes StockIssuedDuringPeriodValueShareBasedCompensationNetOfSharesWithheldForTaxes	322000
	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	25874000
	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	203184000
	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.2
	us-gaap	Dividends Cash DividendsCash	33305000
	us-gaap	Stock Issued During Period Value Conversion Of Convertible Securities StockIssuedDuringPeriodValueConversionOfConvertibleSecurities	203706000
	us-gaap	Adjustments To Additional Paid In Capital Equity Component Of Convertible Debt Subsequent Adjustments AdjustmentsToAdditionalPaidInCapitalEquityComponentOfConvertibleDebtSubsequentAdjustments	-205213000
	us-gaap	Adjustments To Additional Paid In Capital Equity Component Of Convertible Debt AdjustmentsToAdditionalPaidInCapitalEquityComponentOfConvertibleDebt	-17599000
	us-gaap	Net Income Loss NetIncomeLoss	533831000
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-18194000
CY2021Q3	us-gaap	Stockholders Equity StockholdersEquity	2493256000
	us-gaap	Profit Loss ProfitLoss	359715000
	us-gaap	Profit Loss ProfitLoss	533831000
	us-gaap	Depreciation Depreciation	44460000
	us-gaap	Depreciation Depreciation	45848000
	us-gaap	Share Based Compensation ShareBasedCompensation	25122000
	us-gaap	Share Based Compensation ShareBasedCompensation	23231000
	us-gaap	Adjustment For Amortization AdjustmentForAmortization	10095000
	us-gaap	Adjustment For Amortization AdjustmentForAmortization	19343000
	us-gaap	Gain Loss On Sale Of Investments GainLossOnSaleOfInvestments	-8973000
	us-gaap	Gain Loss On Sale Of Investments GainLossOnSaleOfInvestments	4650000
	us-gaap	Inventory Write Down InventoryWriteDown	6695000
	us-gaap	Inventory Write Down InventoryWriteDown	3625000
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-23597000
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-800000
	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1	0
	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1	-7227000
	ter	Gain Loss On Convertible Debt Conversion GainLossOnConvertibleDebtConversion	0
	ter	Gain Loss On Convertible Debt Conversion GainLossOnConvertibleDebtConversion	-5244000
	us-gaap	Defined Benefit Plan Amortization Of Gains Losses DefinedBenefitPlanAmortizationOfGainsLosses	0
	us-gaap	Defined Benefit Plan Amortization Of Gains Losses DefinedBenefitPlanAmortizationOfGainsLosses	627000
	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-522000
	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-199000
	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	146384000
	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	372698000
	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	46682000
	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-19908000
	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	94751000
	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	117416000
	us-gaap	Increase Decrease In Accounts Payable And Other Operating Liabilities IncreaseDecreaseInAccountsPayableAndOtherOperatingLiabilities	-43611000
	us-gaap	Increase Decrease In Accounts Payable And Other Operating Liabilities IncreaseDecreaseInAccountsPayableAndOtherOperatingLiabilities	86790000
	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	14163000
	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	15189000
	us-gaap	Increase Decrease In Pension And Postretirement Obligations IncreaseDecreaseInPensionAndPostretirementObligations	-2618000
	us-gaap	Increase Decrease In Pension And Postretirement Obligations IncreaseDecreaseInPensionAndPostretirementObligations	-2739000
	us-gaap	Increase Decrease In Income Taxes IncreaseDecreaseInIncomeTaxes	10815000
	us-gaap	Increase Decrease In Income Taxes IncreaseDecreaseInIncomeTaxes	-2628000
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	122917000
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	244423000
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	89743000
	us-gaap	Revenues Revenues	1596136000
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	73957000
	ter	Payments To Acquire Available For Sale Securities Debt And Equity PaymentsToAcquireAvailableForSaleSecuritiesDebtAndEquity	247881000
	ter	Payments To Acquire Available For Sale Securities Debt And Equity PaymentsToAcquireAvailableForSaleSecuritiesDebtAndEquity	398086000
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	139652000
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	460213000
	us-gaap	Proceeds From Sale And Maturity Of Marketable Securities ProceedsFromSaleAndMaturityOfMarketableSecurities	143642000
	us-gaap	Proceeds From Sale And Maturity Of Marketable Securities ProceedsFromSaleAndMaturityOfMarketableSecurities	116112000
	us-gaap	Payments To Acquire Investments PaymentsToAcquireInvestments	0
	us-gaap	Payments To Acquire Investments PaymentsToAcquireInvestments	12000000
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-54330000
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	92282000
	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans Including Stock Options ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions	16536000
	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans Including Stock Options ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions	32581000
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	532799000
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	196584000
	us-gaap	Repayments Of Convertible Debt RepaymentsOfConvertibleDebt	42292000
	us-gaap	Repayments Of Convertible Debt RepaymentsOfConvertibleDebt	66828000
	us-gaap	Payments Of Dividends PaymentsOfDividends	35442000
	us-gaap	Payments Of Dividends PaymentsOfDividends	33271000
	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	32780000
	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	31794000
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-626777000
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-295896000
	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	8014000
	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	-489000
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-550176000
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	40320000
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1122199000
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	914121000
CY2022Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	572023000
CY2021Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	954441000
	us-gaap	Fair Value Of Assets Acquired FairValueOfAssetsAcquired	1855000
	us-gaap	Fair Value Of Assets Acquired FairValueOfAssetsAcquired	4503000
	us-gaap	Nature Of Operations NatureOfOperations	<div style="margin-top: 12pt; margin-bottom: 0pt; font-size: 10pt; font-family: "Times New Roman";"><div style="font-weight:bold;display:inline;">A. THE COMPANY </div></div> <div style="text-indent: 4%; font-family: Times New Roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"><div style="letter-spacing: 0px; top: 0px;;display:inline;"><div style="font-family: "Times New Roman"; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">Teradyne, Inc. (“Teradyne”) is a leading global supplier of automation equipment for test and industrial applications. Teradyne designs, develops, manufactures and sells automatic test systems used to test semiconductors, wireless products, data storage and complex electronics systems in many industries including consumer electronics, wireless, automotive, industrial, computing, communications, and aerospace and defense industries. Teradyne’s industrial automation products include collaborative robotic arms, autonomous mobile robots, and advanced robotic control software used by global manufacturing, logistics and light industrial customers to improve quality, increase manufacturing and material handling efficiency and decrease manufacturing and logistics costs. Teradyne’s automatic test equipment and industrial automation products and services include: </div></div></div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;;text-indent: 0px;"><div style="letter-spacing: 0px; top: 0px;;display:inline;"><div style="font-size: 6pt; letter-spacing: 0px; top: 0px;;display:inline;"> </div></div></div> <table cellpadding="0" cellspacing="0" style="border: 0px currentcolor; width: 100%; font-family: "Times New Roman"; font-size: 10pt; border-collapse: collapse; border-spacing: 0px;;text-indent: 0px;"> <tr style="page-break-inside: avoid;"> <td style="width: 5%;"><div style="letter-spacing: 0px; top: 0px;;display:inline;"> </div></td> <td style="width: 3%; vertical-align: top;;text-align:left;"><div style="letter-spacing: 0px; top: 0px;;display:inline;">•</div></td> <td style="width: 1%; vertical-align: top;"><div style="letter-spacing: 0px; top: 0px;;display:inline;"> </div></td> <td style="vertical-align: top; font-size: 10pt;;text-align:left;"> <div style="text-align: left; font-family: "Times New Roman"; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; line-height: normal;"><div style="letter-spacing: 0px; top: 0px;;display:inline;"><div style="font-family: "Times New Roman"; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">semiconductor test (“Semiconductor Test”) systems; </div></div></div> </td> </tr> </table> <div style="clear:both;max-height:0pt;;text-indent: 0px;"/> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;;text-indent: 0px;"><div style="letter-spacing: 0px; top: 0px;;display:inline;"><div style="font-size: 6pt; letter-spacing: 0px; top: 0px;;display:inline;"> </div></div></div> <table cellpadding="0" cellspacing="0" style="border: 0px currentcolor; width: 100%; font-family: "Times New Roman"; font-size: 10pt; border-collapse: collapse; border-spacing: 0px;;text-indent: 0px;"> <tr style="page-break-inside: avoid;"> <td style="width: 5%;"><div style="letter-spacing: 0px; top: 0px;;display:inline;"> </div></td> <td style="width: 3%; vertical-align: top;;text-align:left;"><div style="letter-spacing: 0px; top: 0px;;display:inline;">•</div></td> <td style="width: 1%; vertical-align: top;"><div style="letter-spacing: 0px; top: 0px;;display:inline;"> </div></td> <td style="vertical-align: top; font-size: 10pt;;text-align:left;"> <div style="text-align: left; font-family: "Times New Roman"; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; line-height: normal;"><div style="letter-spacing: 0px; top: 0px;;display:inline;"><div style="font-family: "Times New Roman"; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">storage and system level test (“Storage Test”) systems, defense/aerospace (“Defense/Aerospace”) test instrumentation and systems, and circuit-board test and inspection (“Production Board Test”) systems (collectively these products represent “System Test”); </div></div></div> </td> </tr> </table> <div style="clear:both;max-height:0pt;;text-indent: 0px;"/> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;;text-indent: 0px;"><div style="letter-spacing: 0px; top: 0px;;display:inline;"><div style="font-size: 6pt; letter-spacing: 0px; top: 0px;;display:inline;"> </div></div></div> <table cellpadding="0" cellspacing="0" style="border: 0px currentcolor; width: 100%; font-family: "Times New Roman"; font-size: 10pt; border-collapse: collapse; border-spacing: 0px;;text-indent: 0px;"> <tr style="page-break-inside: avoid;"> <td style="width: 5%;"><div style="letter-spacing: 0px; top: 0px;;display:inline;"> </div></td> <td style="width: 3%; vertical-align: top;;text-align:left;"><div style="letter-spacing: 0px; top: 0px;;display:inline;">•</div></td> <td style="width: 1%; vertical-align: top;"><div style="letter-spacing: 0px; top: 0px;;display:inline;"> </div></td> <td style="vertical-align: top; font-size: 10pt;;text-align:left;"> <div style="text-align: left; font-family: "Times New Roman"; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; line-height: normal;"><div style="letter-spacing: 0px; top: 0px;;display:inline;"><div style="font-family: "Times New Roman"; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">wireless test (“Wireless Test”) systems; and </div></div></div> </td> </tr> </table> <div style="clear:both;max-height:0pt;;text-indent: 0px;"/> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;;text-indent: 0px;"><div style="letter-spacing: 0px; top: 0px;;display:inline;"><div style="font-size: 6pt; letter-spacing: 0px; top: 0px;;display:inline;"> </div></div></div> <table cellpadding="0" cellspacing="0" style="border: 0px currentcolor; width: 100%; font-family: "Times New Roman"; font-size: 10pt; border-collapse: collapse; border-spacing: 0px;;text-indent: 0px;"> <tr style="page-break-inside: avoid;"> <td style="width: 5%;"><div style="letter-spacing: 0px; top: 0px;;display:inline;"> </div></td> <td style="width: 3%; vertical-align: top;;text-align:left;"><div style="letter-spacing: 0px; top: 0px;;display:inline;">•</div></td> <td style="width: 1%; vertical-align: top;"><div style="letter-spacing: 0px; top: 0px;;display:inline;"> </div></td> <td style="vertical-align: top; font-size: 10pt;;text-align:left;"> <div style="text-align: left; font-family: "Times New Roman"; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; line-height: normal;"><div style="letter-spacing: 0px; top: 0px;;display:inline;"><div style="font-family: "Times New Roman"; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">industrial automation (“Industrial Automation”) products. </div></div></div> </td> </tr> </table> <div style="clear:both;max-height:0pt;;text-indent: 0px;"/>
	us-gaap	Revenues Revenues	1596136000
	us-gaap	Revenues Revenues	1867334000
	us-gaap	Revenues Revenues	1867334000
CY2022Q3	us-gaap	Sales Type Lease Revenue SalesTypeLeaseRevenue	1900000
CY2021Q3	us-gaap	Sales Type Lease Revenue SalesTypeLeaseRevenue	4200000
	us-gaap	Sales Type Lease Revenue SalesTypeLeaseRevenue	4200000
	us-gaap	Sales Type Lease Revenue SalesTypeLeaseRevenue	7300000
CY2022Q3	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	25100000
	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	60200000
CY2021Q3	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	22000000
	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	49600000
CY2022Q1	ter	Increase Decrease In Deferred Tax Assets IncreaseDecreaseInDeferredTaxAssets	1800000
CY2021Q4	ter	Deferred Revenue And Customer Advances DeferredRevenueAndCustomerAdvances	201106000
CY2022Q3	us-gaap	Revenues Revenues	840766000
CY2022Q3	us-gaap	Revenues Revenues	840766000
CY2021Q3	us-gaap	Revenues Revenues	1085728000
CY2021Q3	us-gaap	Revenues Revenues	1085728000
CY2022Q3	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	1574000000
CY2022Q3	ter	Deferred Revenue And Customer Advances Maintenance Service And Training DeferredRevenueAndCustomerAdvancesMaintenanceServiceAndTraining	83464000
CY2021Q4	ter	Deferred Revenue And Customer Advances Maintenance Service And Training DeferredRevenueAndCustomerAdvancesMaintenanceServiceAndTraining	81826000
CY2022Q3	us-gaap	Extended Product Warranty Accrual ExtendedProductWarrantyAccrual	65791000
CY2021Q4	us-gaap	Extended Product Warranty Accrual ExtendedProductWarrantyAccrual	64168000
CY2022Q3	ter	Deferred Revenue And Customer Advances Undelivered Elements And Other DeferredRevenueAndCustomerAdvancesUndeliveredElementsAndOther	64229000
CY2021Q4	ter	Deferred Revenue And Customer Advances Undelivered Elements And Other DeferredRevenueAndCustomerAdvancesUndeliveredElementsAndOther	55112000
CY2022Q3	ter	Deferred Revenue And Customer Advances DeferredRevenueAndCustomerAdvances	213484000
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.85
CY2022Q3	us-gaap	Deferred Revenue Revenue Recognized1 DeferredRevenueRevenueRecognized1	37600000
CY2021Q3	us-gaap	Deferred Revenue Revenue Recognized1 DeferredRevenueRevenueRecognized1	7600000
	us-gaap	Deferred Revenue Revenue Recognized1 DeferredRevenueRevenueRecognized1	57100000
	us-gaap	Deferred Revenue Revenue Recognized1 DeferredRevenueRevenueRecognized1	14900000
CY2022Q3	us-gaap	Inventory Raw Materials Net Of Reserves InventoryRawMaterialsNetOfReserves	193907000
CY2021Q4	us-gaap	Inventory Raw Materials Net Of Reserves InventoryRawMaterialsNetOfReserves	155641000
CY2022Q3	us-gaap	Inventory Work In Process Net Of Reserves InventoryWorkInProcessNetOfReserves	36184000
CY2021Q4	us-gaap	Inventory Work In Process Net Of Reserves InventoryWorkInProcessNetOfReserves	37740000
CY2022Q3	us-gaap	Inventory Finished Goods Net Of Reserves InventoryFinishedGoodsNetOfReserves	65534000
CY2021Q4	us-gaap	Inventory Finished Goods Net Of Reserves InventoryFinishedGoodsNetOfReserves	49949000
CY2022Q3	us-gaap	Inventory Net InventoryNet	295625000
CY2021Q4	us-gaap	Inventory Net InventoryNet	243330000
CY2022Q3	us-gaap	Inventory Valuation Reserves InventoryValuationReserves	115500000
CY2021Q4	us-gaap	Inventory Valuation Reserves InventoryValuationReserves	114100000
CY2022Q3	ter	Available For Sale Securities Gross Realized Gain AvailableForSaleSecuritiesGrossRealizedGain	100000
	ter	Available For Sale Securities Gross Realized Gain AvailableForSaleSecuritiesGrossRealizedGain	500000
CY2021Q3	ter	Available For Sale Securities Gross Realized Gain AvailableForSaleSecuritiesGrossRealizedGain	900000
	ter	Available For Sale Securities Gross Realized Gain AvailableForSaleSecuritiesGrossRealizedGain	2000000
CY2022Q3	ter	Available For Sale Securities Gross Realized Loss AvailableForSaleSecuritiesGrossRealizedLoss	400000
	ter	Available For Sale Securities Gross Realized Loss AvailableForSaleSecuritiesGrossRealizedLoss	600000
CY2021Q3	ter	Available For Sale Securities Gross Realized Loss AvailableForSaleSecuritiesGrossRealizedLoss	0
	ter	Available For Sale Securities Gross Realized Loss AvailableForSaleSecuritiesGrossRealizedLoss	0
CY2022Q3	ter	Foreign Currency Transactionloss Unrealized ForeignCurrencyTransactionlossUnrealized	6600000
	ter	Foreign Currency Transactionloss Unrealized ForeignCurrencyTransactionlossUnrealized	8800000
CY2022Q3	ter	Foreign Currency Transaction Gain Unrealized ForeignCurrencyTransactionGainUnrealized	0
	ter	Foreign Currency Transaction Gain Unrealized ForeignCurrencyTransactionGainUnrealized	0
CY2021Q3	ter	Foreign Currency Transaction Gain Unrealized ForeignCurrencyTransactionGainUnrealized	2000000
	ter	Foreign Currency Transaction Gain Unrealized ForeignCurrencyTransactionGainUnrealized	3300000
CY2021Q3	ter	Foreign Currency Transactionloss Unrealized ForeignCurrencyTransactionlossUnrealized	700000
	ter	Foreign Currency Transactionloss Unrealized ForeignCurrencyTransactionlossUnrealized	700000
CY2022Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue	0
CY2021Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue	0
CY2021Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue	0
CY2020Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue	7227000
CY2022Q3	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Gain Loss Included In Earnings FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings	0
CY2021Q3	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Gain Loss Included In Earnings FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings	0
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	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Gain Loss Included In Earnings FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings	-7227000
CY2022Q3	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue	0
CY2021Q3	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue	0
CY2022Q3	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue	0
CY2021Q3	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue	0
CY2022Q3	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	31069000
CY2022Q3	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost	5055000
CY2022Q3	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	4736000
CY2022Q3	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost	38588000
CY2022Q3	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue	33736000
CY2022Q3	us-gaap	Available For Sale Securities Debt Maturities Single Maturity Date Amortized Cost Basis AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDateAmortizedCostBasis	286524000
CY2022Q3	us-gaap	Available For Sale Securities Debt Maturities Single Maturity Date AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDate	279387000
CY2022Q3	us-gaap	Derivative Asset Notional Amount DerivativeAssetNotionalAmount	22000000
CY2021Q4	us-gaap	Derivative Asset Notional Amount DerivativeAssetNotionalAmount	41000000
	ter	Contractual Interest Expense On Coupon ContractualInterestExpenseOnCoupon	432000
	ter	Contractual Interest Expense On Coupon ContractualInterestExpenseOnCoupon	2311000
CY2022Q3	us-gaap	Amortization Of Debt Discount Premium AmortizationOfDebtDiscountPremium	64000
CY2022Q3	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	293307000
CY2022Q3	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	197000
CY2022Q3	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	7603000
CY2022Q3	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	285901000
CY2022Q3	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	263250000
CY2022Q3	us-gaap	Debt Securities Available For Sale Amortized Cost After Allowance For Credit Loss DebtSecuritiesAvailableForSaleAmortizedCostAfterAllowanceForCreditLoss	293307000
CY2022Q3	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	197000
CY2022Q3	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	7603000
CY2022Q3	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	285901000
CY2022Q3	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	263250000
CY2021Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	334077000
CY2021Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	5477000
CY2021Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	718000
CY2021Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	338836000
CY2021Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	91937000
CY2021Q4	us-gaap	Debt Securities Available For Sale Amortized Cost After Allowance For Credit Loss DebtSecuritiesAvailableForSaleAmortizedCostAfterAllowanceForCreditLoss	334077000
CY2021Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	5477000
CY2021Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	718000
CY2021Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	338836000
CY2021Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	91937000
CY2022Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	252400000
CY2022Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	10900000
CY2021Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	85400000
CY2021Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	6500000
CY2022Q3	us-gaap	Available For Sale Securities Debt Maturities Within One Year Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost	210598000
CY2022Q3	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	209846000
CY2022Q3	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost	32283000
CY2022Q3	us-gaap	Derivative Assets Liabilities At Fair Value Net DerivativeAssetsLiabilitiesAtFairValueNet	-130000
CY2021Q4	us-gaap	Derivative Assets Liabilities At Fair Value Net DerivativeAssetsLiabilitiesAtFairValueNet	-26000
CY2020Q2	us-gaap	Line Of Credit Facility Interest Rate Description LineOfCreditFacilityInterestRateDescription	The interest rate applicable to loans under the Credit Facility are, at Teradyne’s option, equal to either a base rate plus a margin ranging from 0.00% to 0.75% per annum or LIBOR plus a margin ranging from 1.00% to 1.75% per annum, based on the consolidated leverage ratio of Teradyne. In addition, Teradyne will pay a commitment fee on the unused portion of the commitments under the Credit Facility ranging from 0.15% to 0.25% per annum, based on the then applicable consolidated leverage ratio.
	us-gaap	Product Warranty Accrual Preexisting Increase Decrease ProductWarrantyAccrualPreexistingIncreaseDecrease	-4370000
	us-gaap	Product Warranty Accrual Preexisting Increase Decrease ProductWarrantyAccrualPreexistingIncreaseDecrease	-3003000
CY2022Q3	us-gaap	Product Warranty Accrual Payments ProductWarrantyAccrualPayments	8887000
CY2021Q3	us-gaap	Product Warranty Accrual Payments ProductWarrantyAccrualPayments	4964000
	us-gaap	Product Warranty Accrual Payments ProductWarrantyAccrualPayments	14701000
CY2022Q3	us-gaap	Foreign Currency Transaction Gain Loss Unrealized ForeignCurrencyTransactionGainLossUnrealized	3700000
	us-gaap	Foreign Currency Transaction Gain Loss Unrealized ForeignCurrencyTransactionGainLossUnrealized	8000000
CY2021Q3	us-gaap	Foreign Currency Transaction Gain Loss Unrealized ForeignCurrencyTransactionGainLossUnrealized	100000
	us-gaap	Foreign Currency Transaction Gain Loss Unrealized ForeignCurrencyTransactionGainLossUnrealized	300000
CY2016Q4	us-gaap	Debt Instrument Convertible Threshold Trading Days DebtInstrumentConvertibleThresholdTradingDays	5
	ter	Debt Instrument Issuance Costs Amortization Period DebtInstrumentIssuanceCostsAmortizationPeriod	P7Y
CY2022Q3	us-gaap	Convertible Debt Current ConvertibleDebtCurrent	9632000
CY2021Q4	us-gaap	Convertible Debt Current ConvertibleDebtCurrent	19182000
CY2022Q3	us-gaap	Convertible Debt Noncurrent ConvertibleDebtNoncurrent	64796000
CY2021Q4	us-gaap	Convertible Debt Noncurrent ConvertibleDebtNoncurrent	89244000
CY2022Q3	us-gaap	Convertible Debt ConvertibleDebt	74428000
CY2021Q4	us-gaap	Convertible Debt ConvertibleDebt	108426000
CY2022Q3	ter	Contractual Interest Expense On Coupon ContractualInterestExpenseOnCoupon	121000
CY2021Q3	ter	Contractual Interest Expense On Coupon ContractualInterestExpenseOnCoupon	1072000
CY2021Q3	us-gaap	Amortization Of Debt Discount Premium AmortizationOfDebtDiscountPremium	3511000
	us-gaap	Amortization Of Debt Discount Premium AmortizationOfDebtDiscountPremium	130000
	us-gaap	Amortization Of Debt Discount Premium AmortizationOfDebtDiscountPremium	7347000
CY2022Q3	us-gaap	Interest Expense Debt InterestExpenseDebt	185000
CY2021Q3	us-gaap	Interest Expense Debt InterestExpenseDebt	4583000
	us-gaap	Interest Expense Debt InterestExpenseDebt	562000
	us-gaap	Interest Expense Debt InterestExpenseDebt	9658000
CY2021Q4	us-gaap	Debt Instrument Unamortized Discount DebtInstrumentUnamortizedDiscount	8100000
	us-gaap	Debt Conversion Original Debt Amount1 DebtConversionOriginalDebtAmount1	42300000
CY2022Q3	ter	Long Term Debt Maturities Repayments Of Principal Interest Payments In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInterestPaymentsInNextTwelveMonths	900000
CY2022Q3	ter	Long Term Debt Maturities Repayments Of Principal Intereat Payments Thereafter LongTermDebtMaturitiesRepaymentsOfPrincipalIntereatPaymentsThereafter	500000
CY2020Q2	us-gaap	Long Term Debt Term LongTermDebtTerm	P3Y
CY2020Q2	us-gaap	Line Of Credit Facility Maximum Borrowing Capacity LineOfCreditFacilityMaximumBorrowingCapacity	400000000
CY2022Q3	us-gaap	Line Of Credit Facility Capacity Available For Specific Purpose Other Than For Trade Purchases LineOfCreditFacilityCapacityAvailableForSpecificPurposeOtherThanForTradePurchases	200000000
	ter	Available Incremental Amount Under The Credit Facility Not To Exceed Percentage Of Consolidated Ebidta AvailableIncrementalAmountUnderTheCreditFacilityNotToExceedPercentageOfConsolidatedEbidta	0.15
CY2022Q3	us-gaap	Product Warranty Accrual Preexisting Increase Decrease ProductWarrantyAccrualPreexistingIncreaseDecrease	-1611000
CY2021Q3	us-gaap	Product Warranty Accrual Preexisting Increase Decrease ProductWarrantyAccrualPreexistingIncreaseDecrease	-3450000
CY2022Q3	ter	Contract Manufacturer And Supplier Prepayments ContractManufacturerAndSupplierPrepayments	460727000
CY2021Q4	ter	Contract Manufacturer And Supplier Prepayments ContractManufacturerAndSupplierPrepayments	364478000
CY2022Q3	ter	Prepaid Maintenance And Other Services PrepaidMaintenanceAndOtherServices	17421000
CY2021Q4	ter	Prepaid Maintenance And Other Services PrepaidMaintenanceAndOtherServices	13660000
CY2022Q3	us-gaap	Prepaid Taxes PrepaidTaxes	8675000
CY2021Q4	us-gaap	Prepaid Taxes PrepaidTaxes	15090000
CY2022Q3	us-gaap	Other Prepaid Expense Current OtherPrepaidExpenseCurrent	11270000
CY2021Q4	us-gaap	Other Prepaid Expense Current OtherPrepaidExpenseCurrent	13038000
CY2022Q3	us-gaap	Prepaid Expense Current PrepaidExpenseCurrent	498093000
CY2021Q4	us-gaap	Prepaid Expense Current PrepaidExpenseCurrent	406266000
CY2021Q3	us-gaap	Extended Product Warranty Accrual ExtendedProductWarrantyAccrual	63525000
CY2022Q3	us-gaap	Extended Product Warranty Accrual ExtendedProductWarrantyAccrual	65791000
CY2022Q2	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	20105000
CY2021Q2	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	23893000
CY2021Q4	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	24577000
CY2020Q4	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	16633000
CY2022Q3	us-gaap	Product Warranty Accrual Warranties Issued ProductWarrantyAccrualWarrantiesIssued	6429000
CY2021Q3	us-gaap	Product Warranty Accrual Warranties Issued ProductWarrantyAccrualWarrantiesIssued	10197000
	us-gaap	Product Warranty Accrual Warranties Issued ProductWarrantyAccrualWarrantiesIssued	10530000
	us-gaap	Product Warranty Accrual Warranties Issued ProductWarrantyAccrualWarrantiesIssued	22078000
	us-gaap	Product Warranty Accrual Payments ProductWarrantyAccrualPayments	10032000
CY2022Q3	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	16036000
CY2021Q3	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	25676000
CY2022Q3	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	16036000
CY2021Q3	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	25676000
CY2022Q2	us-gaap	Extended Product Warranty Accrual ExtendedProductWarrantyAccrual	65726000
CY2021Q2	us-gaap	Extended Product Warranty Accrual ExtendedProductWarrantyAccrual	53908000
CY2021Q4	us-gaap	Extended Product Warranty Accrual ExtendedProductWarrantyAccrual	64168000
CY2020Q4	us-gaap	Extended Product Warranty Accrual ExtendedProductWarrantyAccrual	51929000
CY2022Q3	us-gaap	Extended Product Warranty Accrual Warranties Issued ExtendedProductWarrantyAccrualWarrantiesIssued	9788000
CY2021Q3	us-gaap	Extended Product Warranty Accrual Warranties Issued ExtendedProductWarrantyAccrualWarrantiesIssued	16290000
	us-gaap	Extended Product Warranty Accrual Warranties Issued ExtendedProductWarrantyAccrualWarrantiesIssued	21563000
	us-gaap	Extended Product Warranty Accrual Warranties Issued ExtendedProductWarrantyAccrualWarrantiesIssued	23805000
CY2022Q3	us-gaap	Extended Product Warranty Accrual Payments ExtendedProductWarrantyAccrualPayments	9723000
CY2021Q3	us-gaap	Extended Product Warranty Accrual Payments ExtendedProductWarrantyAccrualPayments	6673000
	us-gaap	Extended Product Warranty Accrual Payments ExtendedProductWarrantyAccrualPayments	19940000
	us-gaap	Extended Product Warranty Accrual Payments ExtendedProductWarrantyAccrualPayments	12209000
CY2022Q3	us-gaap	Extended Product Warranty Accrual ExtendedProductWarrantyAccrual	65791000
CY2021Q3	us-gaap	Extended Product Warranty Accrual ExtendedProductWarrantyAccrual	63525000
CY2022Q3	us-gaap	Share Price SharePrice	112.12
CY2021Q3	us-gaap	Share Price SharePrice	113.48
CY2021Q4	ter	Accumulated Other Comprehensive Income Loss Foreign Currency Translation Adjustment Tax AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax	0
CY2021Q4	ter	Accumulated Other Comprehensive Income Loss Available For Sale Securities Adjustment Tax AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentTax	1055000
CY2021Q4	ter	Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Tax AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansTax	1128000
CY2020Q4	ter	Accumulated Other Comprehensive Income Loss Foreign Currency Translation Adjustment Tax AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax	0
CY2020Q4	ter	Accumulated Other Comprehensive Income Loss Available For Sale Securities Adjustment Tax AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentTax	1910000
CY2020Q4	ter	Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Tax AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansTax	1126000
CY2021Q3	ter	Accumulated Other Comprehensive Income Loss Foreign Currency Translation Adjustment Tax AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax	0
CY2021Q3	ter	Accumulated Other Comprehensive Income Loss Available For Sale Securities Adjustment Tax AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentTax	1317000
CY2021Q3	ter	Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Tax AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansTax	1127000
CY2022Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	-274000
CY2021Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	-3000
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	-209000
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	441000
CY2022Q3	us-gaap	Reclassification From Aoci Current Period Tax ReclassificationFromAociCurrentPeriodTax	77000
CY2021Q3	us-gaap	Reclassification From Aoci Current Period Tax ReclassificationFromAociCurrentPeriodTax	2000
	us-gaap	Reclassification From Aoci Current Period Tax ReclassificationFromAociCurrentPeriodTax	58000
	us-gaap	Reclassification From Aoci Current Period Tax ReclassificationFromAociCurrentPeriodTax	122000
CY2021Q4	us-gaap	Goodwill Gross GoodwillGross	1188590000
CY2021Q4	us-gaap	Goodwill Impaired Accumulated Impairment Loss GoodwillImpairedAccumulatedImpairmentLoss	762566000
CY2021Q4	us-gaap	Goodwill Goodwill	426024000
	us-gaap	Goodwill Foreign Currency Translation Gain Loss GoodwillForeignCurrencyTranslationGainLoss	28291000
CY2022Q3	us-gaap	Goodwill Gross GoodwillGross	1160299000
CY2022Q3	us-gaap	Goodwill Impaired Accumulated Impairment Loss GoodwillImpairedAccumulatedImpairmentLoss	762566000
CY2022Q3	us-gaap	Goodwill Goodwill	397733000
CY2022Q3	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	389673000
CY2022Q3	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	-319530000
	us-gaap	Finite Lived Intangible Assets Foreign Currency Translation Gain Loss FiniteLivedIntangibleAssetsForeignCurrencyTranslationGainLoss	-7634000
CY2022Q3	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	62509000
CY2021Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	389673000
CY2021Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	-309571000
CY2021	us-gaap	Finite Lived Intangible Assets Foreign Currency Translation Gain Loss FiniteLivedIntangibleAssetsForeignCurrencyTranslationGainLoss	-4467000
CY2021Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	75635000
CY2022Q3	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	4900000
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	9900000
CY2021Q3	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	5400000
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	10900000
CY2022Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.16
CY2021Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.76
CY2022Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	9547000
CY2022Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	18642000
CY2022Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	18336000
CY2022Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	11154000
CY2022Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	2333000
CY2022Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense After Year Five FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive	2497000
CY2022Q3	us-gaap	Net Income Loss NetIncomeLoss	197787000
CY2021Q3	us-gaap	Net Income Loss NetIncomeLoss	328319000
	us-gaap	Net Income Loss NetIncomeLoss	359715000
	us-gaap	Net Income Loss NetIncomeLoss	533831000
CY2022Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	159563000
CY2021Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	165995000
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	160805000
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	166243000
CY2022Q3	us-gaap	Incremental Common Shares Attributable To Call Options And Warrants IncrementalCommonSharesAttributableToCallOptionsAndWarrants	9029000
CY2021Q3	us-gaap	Incremental Common Shares Attributable To Call Options And Warrants IncrementalCommonSharesAttributableToCallOptionsAndWarrants	10073000
	us-gaap	Incremental Common Shares Attributable To Call Options And Warrants IncrementalCommonSharesAttributableToCallOptionsAndWarrants	9528000
	us-gaap	Incremental Common Shares Attributable To Call Options And Warrants IncrementalCommonSharesAttributableToCallOptionsAndWarrants	9751000
CY2022Q3	us-gaap	Incremental Common Shares Attributable To Conversion Of Debt Securities IncrementalCommonSharesAttributableToConversionOfDebtSecurities	1900000
CY2021Q3	us-gaap	Incremental Common Shares Attributable To Conversion Of Debt Securities IncrementalCommonSharesAttributableToConversionOfDebtSecurities	9578000
	us-gaap	Incremental Common Shares Attributable To Conversion Of Debt Securities IncrementalCommonSharesAttributableToConversionOfDebtSecurities	2220000
	us-gaap	Incremental Common Shares Attributable To Conversion Of Debt Securities IncrementalCommonSharesAttributableToConversionOfDebtSecurities	9944000
CY2022Q3	us-gaap	Incremental Common Shares Attributable To Equity Unit Purchase Agreements IncrementalCommonSharesAttributableToEquityUnitPurchaseAgreements	32000
CY2021Q3	us-gaap	Incremental Common Shares Attributable To Equity Unit Purchase Agreements IncrementalCommonSharesAttributableToEquityUnitPurchaseAgreements	11000
	us-gaap	Incremental Common Shares Attributable To Equity Unit Purchase Agreements IncrementalCommonSharesAttributableToEquityUnitPurchaseAgreements	23000
	us-gaap	Incremental Common Shares Attributable To Equity Unit Purchase Agreements IncrementalCommonSharesAttributableToEquityUnitPurchaseAgreements	9000
CY2022Q3	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	11596000
CY2021Q3	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	20755000
	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	12562000
	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	21002000
CY2022Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	171159000
CY2021Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	186750000
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	173367000
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	187245000
CY2022Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.24
CY2021Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.98
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.24
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.21
CY2022Q3	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	100000
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	200000
CY2021Q3	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	100000
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	100000
CY2022Q3	us-gaap	Other Increase Decrease In Environmental Liabilities OtherIncreaseDecreaseInEnvironmentalLiabilities	1500000
CY2021Q3	us-gaap	Other Increase Decrease In Environmental Liabilities OtherIncreaseDecreaseInEnvironmentalLiabilities	1700000
	us-gaap	Other Increase Decrease In Environmental Liabilities OtherIncreaseDecreaseInEnvironmentalLiabilities	2000000
	us-gaap	Other Increase Decrease In Environmental Liabilities OtherIncreaseDecreaseInEnvironmentalLiabilities	1700000
CY2022Q3	us-gaap	Purchase Obligation PurchaseObligation	1006800000
CY2022Q3	us-gaap	Purchase Obligation Due In Next Twelve Months PurchaseObligationDueInNextTwelveMonths	870500000
	us-gaap	Product Warranty Accrual Period Increase Decrease ProductWarrantyAccrualPeriodIncreaseDecrease	16000000
CY2021	us-gaap	Product Warranty Accrual Period Increase Decrease ProductWarrantyAccrualPeriodIncreaseDecrease	24600000
	us-gaap	Extended Product Warranty Accrual Period Increase Decrease ExtendedProductWarrantyAccrualPeriodIncreaseDecrease	65800000
CY2021	us-gaap	Extended Product Warranty Accrual Period Increase Decrease ExtendedProductWarrantyAccrualPeriodIncreaseDecrease	64200000
	us-gaap	Income Tax Examination Penalties And Interest Expense IncomeTaxExaminationPenaltiesAndInterestExpense	100000
	us-gaap	Income Tax Examination Penalties And Interest Expense IncomeTaxExaminationPenaltiesAndInterestExpense	200000
	us-gaap	Income Tax Reconciliation Tax Holidays IncomeTaxReconciliationTaxHolidays	8300000
	us-gaap	Income Tax Holiday Income Tax Benefits Per Share IncomeTaxHolidayIncomeTaxBenefitsPerShare	0.05
	us-gaap	Income Tax Reconciliation Tax Holidays IncomeTaxReconciliationTaxHolidays	15900000
	us-gaap	Income Tax Holiday Income Tax Benefits Per Share IncomeTaxHolidayIncomeTaxBenefitsPerShare	0.08
	us-gaap	Number Of Operating Segments NumberOfOperatingSegments	4
CY2022Q3	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21
CY2021Q3	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21
	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21
	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21
CY2022Q3	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Share Based Compensation Cost EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost	0.014
CY2021Q3	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Share Based Compensation Cost EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost	0.008
	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Share Based Compensation Cost EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost	0.013
	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Share Based Compensation Cost EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost	0.008
CY2022Q3	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	-0.032
CY2021Q3	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	-0.043
	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	-0.033
	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	-0.045
CY2022Q3	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits EffectiveIncomeTaxRateReconciliationTaxCredits	0.02
CY2021Q3	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits EffectiveIncomeTaxRateReconciliationTaxCredits	0.012
	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits EffectiveIncomeTaxRateReconciliationTaxCredits	0.018
	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits EffectiveIncomeTaxRateReconciliationTaxCredits	0.012
CY2022Q3	ter	Effective Income Tax Rate Reconciliation Effect Of Tax Custs And Jobs Act Percent EffectiveIncomeTaxRateReconciliationEffectOfTaxCustsAndJobsActPercent	-0.01
CY2021Q3	ter	Effective Income Tax Rate Reconciliation Effect Of Tax Custs And Jobs Act Percent EffectiveIncomeTaxRateReconciliationEffectOfTaxCustsAndJobsActPercent	-0.017
	ter	Effective Income Tax Rate Reconciliation Effect Of Tax Custs And Jobs Act Percent EffectiveIncomeTaxRateReconciliationEffectOfTaxCustsAndJobsActPercent	-0.012
	ter	Effective Income Tax Rate Reconciliation Effect Of Tax Custs And Jobs Act Percent EffectiveIncomeTaxRateReconciliationEffectOfTaxCustsAndJobsActPercent	-0.016
CY2022Q3	us-gaap	Effective Income Tax Rate Reconciliation Tax Contingencies EffectiveIncomeTaxRateReconciliationTaxContingencies	-0.002
CY2021Q3	us-gaap	Effective Income Tax Rate Reconciliation Tax Contingencies EffectiveIncomeTaxRateReconciliationTaxContingencies	-0.002
	us-gaap	Effective Income Tax Rate Reconciliation Tax Contingencies EffectiveIncomeTaxRateReconciliationTaxContingencies	-0.029
	us-gaap	Effective Income Tax Rate Reconciliation Tax Contingencies EffectiveIncomeTaxRateReconciliationTaxContingencies	-0.024
CY2022Q3	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.011
CY2021Q3	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.001
	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.01
	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.001
CY2022Q3	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.171
CY2021Q3	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.145
	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.141
	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.122
CY2022Q3	us-gaap	Liability For Uncertain Tax Positions Current LiabilityForUncertainTaxPositionsCurrent	14600000
CY2021Q4	us-gaap	Liability For Uncertain Tax Positions Current LiabilityForUncertainTaxPositionsCurrent	14500000
	ter	Increase Decrease In Uncertain Tax Position IncreaseDecreaseInUncertainTaxPosition	100000
CY2022Q3	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	300000
CY2021Q4	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	300000
CY2022Q3	us-gaap	Revenues Revenues	840766000
CY2022Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	238592000
CY2022Q3	us-gaap	Assets Assets	3488426000
CY2021Q3	us-gaap	Revenues Revenues	1085728000
CY2021Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	384026000
CY2021Q3	us-gaap	Assets Assets	4000922000
	us-gaap	Revenues Revenues	1596136000
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	418951000
CY2022Q3	us-gaap	Assets Assets	3488426000
	us-gaap	Revenues Revenues	1867334000
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	608019000
CY2021Q3	us-gaap	Assets Assets	4000922000
	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	5000000
	us-gaap	Treasury Stock Acquired Average Cost Per Share TreasuryStockAcquiredAverageCostPerShare	107.5
	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	1600000
	us-gaap	Treasury Stock Acquired Average Cost Per Share TreasuryStockAcquiredAverageCostPerShare	125.69
	ter	Stock Repurchased During Period Value Excluding Unsettled Shares StockRepurchasedDuringPeriodValueExcludingUnsettledShares	1132800000
CY2022Q1	us-gaap	Dividends Payable Amount Per Share DividendsPayableAmountPerShare	0.11
CY2022Q3	us-gaap	Payments Of Dividends PaymentsOfDividends	17500000
	us-gaap	Payments Of Dividends PaymentsOfDividends	35400000
CY2021Q1	us-gaap	Dividends Payable Amount Per Share DividendsPayableAmountPerShare	0.1
CY2021Q3	us-gaap	Payments Of Dividends PaymentsOfDividends	16600000
	us-gaap	Payments Of Dividends PaymentsOfDividends	33300000

Files In Submission

Name	View Source	Status
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0001193125-22-213485.txt	Edgar Link	pending
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ter-20220703.xsd	Edgar Link	pending
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2022 Q3 Form 10-Q Financial Statement

#000119312522213485 Filed on August 05, 2022

Income Statement

Balance Sheet

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Facts In Submission

Files In Submission

$TER TERADYNE, INC Stock $ter

2022 Q3 Form 10-Q Financial Statement

#000119312522213485 Filed on August 05, 2022

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$TER
TERADYNE, INC Stock $ter