$TDY
TELEDYNE TECHNOLOGIES INC Stock $tdy

$tdy Overview Financials Valuation SEC Filings Company Website

2021 Q1 Form 10-K Financial Statement

#000109428521000066 Filed on February 26, 2021

Income Statement

Concept	2021 Q1	2019 Q4	2019 Q3
Revenue	$809.3M	$834.2M	$802.2M
YoY Change	3.15%	11.46%	10.6%
Cost Of Revenue	$493.6M	$505.1M	$487.7M
YoY Change	0.2%	9.9%	9.3%
Gross Profit	$315.7M	$329.1M	$314.5M
YoY Change	8.12%	13.95%	12.68%
Gross Profit Margin	39.01%	39.45%	39.2%
Selling, General & Admin	$171.9M	$195.3M	$185.8M
YoY Change	-8.56%	9.97%	7.03%
% of Gross Profit	54.45%	59.34%	59.08%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$28.70M	$29.30M	$27.90M
YoY Change	-2.05%	0.0%	1.09%
% of Gross Profit	9.09%	8.9%	8.87%
Operating Expenses	$171.9M	$195.3M	$185.8M
YoY Change	-8.56%	9.97%	7.03%
Operating Profit	$143.8M	$133.8M	$128.7M
YoY Change	38.27%	20.32%	21.99%
Interest Expense	-$3.400M	-$4.700M	$5.500M
YoY Change	-182.93%	-18.97%	-8.33%
% of Operating Profit	-2.36%	-3.51%	4.27%
Other Income/Expense, Net	$700.0K	-$1.500M	-$1.700M
YoY Change	-150.0%	-16.67%	-37.04%
Pretax Income	$141.1M	$129.5M	$123.4M
YoY Change	39.7%	20.92%	23.15%
Income Tax	$9.000M	$13.80M	$16.70M
% Of Pretax Income	6.38%	10.66%	13.53%
Net Earnings	$132.1M	$115.7M	$106.7M
YoY Change	60.71%	27.0%	18.16%
Net Earnings / Revenue	16.32%	13.87%	13.3%
Basic Earnings Per Share		$3.17	$2.93
Diluted Earnings Per Share	$3.458M	$3.06	$2.84
COMMON SHARES
Basic Shares Outstanding	37.02M shares	36.47M shares	36.40M shares
Diluted Shares Outstanding			37.60M shares

Balance Sheet

Concept	2021 Q1	2019 Q4	2019 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments	$673.1M	$199.5M	$128.5M
YoY Change	190.88%	40.0%	26.73%
Cash & Equivalents	$673.1M	$199.5M	$128.5M
Short-Term Investments
Other Short-Term Assets	$78.10M	$59.90M	$61.50M
YoY Change	23.58%	30.79%	7.89%
Inventory	$347.3M	$393.4M	$404.4M
Prepaid Expenses
Receivables	$402.0M	$460.4M	$448.4M
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$1.723B	$1.314B	$1.238B
YoY Change	26.31%	17.88%	11.58%
LONG-TERM ASSETS
Property, Plant & Equipment	$489.3M	$487.9M	$468.2M
YoY Change	2.9%	10.23%	4.95%
Goodwill	$2.150B	$2.051B	$2.008B
YoY Change	4.69%	18.17%	14.37%
Intangibles	$409.7M
YoY Change
Long-Term Investments
YoY Change
Other Assets	$245.3M	$225.1M	$87.40M
YoY Change	208.17%	166.08%	1.39%
Total Long-Term Assets	$3.362B	$3.266B	$3.242B
YoY Change	4.38%	21.2%	15.62%
TOTAL ASSETS
Total Short-Term Assets	$1.723B	$1.314B	$1.238B
Total Long-Term Assets	$3.362B	$3.266B	$3.242B
Total Assets	$5.085B	$4.580B	$4.480B
YoY Change	10.9%	20.23%	14.47%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$229.1M	$271.1M	$244.9M
YoY Change	-13.02%	19.01%	19.23%
Accrued Expenses	$434.2M	$391.5M	$384.5M
YoY Change	9.76%	10.1%	4.4%
Deferred Revenue	$160.1M	$126.8M	$110.6M
YoY Change	24.59%	13.72%	-1.6%
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due	$97.60M	$100.6M	$206.1M
YoY Change	-2.98%	-26.78%	1589.34%
Total Short-Term Liabilities	$760.9M	$763.2M	$835.5M
YoY Change	0.17%	5.88%	42.09%
LONG-TERM LIABILITIES
Long-Term Debt	$680.9M	$750.0M	$719.3M
YoY Change	-9.1%	22.93%	-12.26%
Other Long-Term Liabilities	$375.4M	$351.9M	$231.2M
YoY Change	80.39%	41.5%	-18.99%
Total Long-Term Liabilities	$1.056B	$1.102B	$950.5M
YoY Change	10.35%	28.31%	-14.0%
TOTAL LIABILITIES
Total Short-Term Liabilities	$760.9M	$763.2M	$835.5M
Total Long-Term Liabilities	$1.056B	$1.102B	$950.5M
Total Liabilities	$1.856B	$1.865B	$1.909B
YoY Change	1.32%	18.07%	12.51%
SHAREHOLDERS EQUITY
Retained Earnings	$3.328B	$2.926B	$2.810B
YoY Change	10.63%	15.94%	15.53%
Common Stock	$390.3M	$360.9M	$357.1M
YoY Change	5.12%	4.88%	5.56%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$59.50M	$96.40M	$104.6M
YoY Change	-31.61%	-33.47%	-28.55%
Treasury Stock Shares	746.3K shares	1.150M shares	1.229M shares
Shareholders Equity	$3.229B	$2.715B	$2.571B
YoY Change
Total Liabilities & Shareholders Equity	$5.085B	$4.580B	$4.480B
YoY Change	10.9%	20.23%	14.47%

Cashflow Statement

Concept	2021 Q1	2019 Q4	2019 Q3
OPERATING ACTIVITIES
Net Income	$132.1M	$115.7M	$106.7M
YoY Change	60.71%	27.0%	18.16%
Depreciation, Depletion And Amortization	$28.70M	$29.30M	$27.90M
YoY Change	-2.05%	0.0%	1.09%
Cash From Operating Activities	$236.4M	$167.9M	$150.9M
YoY Change	209.42%	33.78%	39.85%
INVESTING ACTIVITIES
Capital Expenditures	-$19.40M	-$23.90M	-$25.10M
YoY Change	-196.04%	27.81%	-8.39%
Acquisitions
YoY Change
Other Investing Activities	$900.0K	-$200.0K	-$261.1M
YoY Change	-103.11%	-93.33%	-52320.0%
Cash From Investing Activities	-$18.50M	-$24.10M	-$286.2M
YoY Change	-62.32%	11.06%	963.94%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-15.90M	-75.00M	152.1M
YoY Change	-260.61%	-7.18%	-414.91%
NET CHANGE
Cash From Operating Activities	236.4M	167.9M	150.9M
Cash From Investing Activities	-18.50M	-24.10M	-286.2M
Cash From Financing Activities	-15.90M	-75.00M	152.1M
Net Change In Cash	202.0M	68.80M	16.80M
YoY Change	533.23%	199.13%	-48.62%
FREE CASH FLOW
Cash From Operating Activities	$236.4M	$167.9M	$150.9M
Capital Expenditures	-$19.40M	-$23.90M	-$25.10M
Free Cash Flow	$255.8M	$191.8M	$176.0M
YoY Change	355.16%	33.01%	30.08%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2021	dei	Amendment Flag AmendmentFlag	false
CY2021	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2020
CY2021	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2021	dei	Entity Central Index Key EntityCentralIndexKey	0001094285
CY2017	us-gaap	Accounting Standards Update Extensible List AccountingStandardsUpdateExtensibleList	us-gaap:AccountingStandardsUpdate201802Member
CY2021Q1	us-gaap	Revenue Remaining Performance Obligation Expected Timing Of Satisfaction Period1 RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1	P2Y
CY2019Q1	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	745200000	USD
CY2019Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	782000000.0	USD
CY2021	dei	Trading Symbol TradingSymbol	TDY
CY2021Q1	us-gaap	Operating Lease Liability Current Statement Of Financial Position Extensible List OperatingLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList	us-gaap:OtherLiabilitiesCurrent
CY2021Q1	us-gaap	Operating Lease Liability Noncurrent Statement Of Financial Position Extensible List OperatingLeaseLiabilityNoncurrentStatementOfFinancialPositionExtensibleList	us-gaap:OtherLiabilitiesNoncurrent
CY2021	dei	Document Type DocumentType	10-K
CY2021	dei	Document Annual Report DocumentAnnualReport	true
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-01-03
CY2021	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--01-03
CY2021	dei	Document Transition Report DocumentTransitionReport	false
CY2021	dei	Entity File Number EntityFileNumber	1-15295
CY2021	dei	Entity Registrant Name EntityRegistrantName	TELEDYNE TECHNOLOGIES INC
CY2021	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
CY2021	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	25-1843385
CY2021	dei	Entity Address Address Line1 EntityAddressAddressLine1	1049 Camino Dos Rios
CY2021	dei	Entity Address City Or Town EntityAddressCityOrTown	Thousand Oaks,
CY2021	dei	Entity Address State Or Province EntityAddressStateOrProvince	CA
CY2021	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	91360-2362
CY2021	dei	City Area Code CityAreaCode	805
CY2021	dei	Local Phone Number LocalPhoneNumber	373-4545
CY2021	dei	Security12b Title Security12bTitle	Common Stock, par value $.01 per share
CY2021	dei	Security Exchange Name SecurityExchangeName	NYSE
CY2021	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2021	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2021	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2021	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2021	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2021	dei	Entity Small Business EntitySmallBusiness	false
CY2021	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2021	dei	Icfr Auditor Attestation Flag IcfrAuditorAttestationFlag	true
CY2021	dei	Entity Shell Company EntityShellCompany	false
CY2020Q2	dei	Entity Public Float EntityPublicFloat	10900000000	USD
CY2021Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	37019992	shares
CY2021	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	3086200000	USD
CY2019	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	3163600000	USD
CY2018	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	2901800000	USD
CY2021	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	1905300000	USD
CY2019	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	1920300000	USD
CY2018	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	1791000000.0	USD
CY2021	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	700800000	USD
CY2019	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	751600000	USD
CY2018	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	694200000	USD
CY2021	us-gaap	Costs And Expenses CostsAndExpenses	2606100000	USD
CY2019	us-gaap	Costs And Expenses CostsAndExpenses	2671900000	USD
CY2018	us-gaap	Costs And Expenses CostsAndExpenses	2485200000	USD
CY2021	us-gaap	Operating Income Loss OperatingIncomeLoss	480100000	USD
CY2019	us-gaap	Operating Income Loss OperatingIncomeLoss	491700000	USD
CY2018	us-gaap	Operating Income Loss OperatingIncomeLoss	416600000	USD
CY2021	us-gaap	Interest And Debt Expense InterestAndDebtExpense	15300000	USD
CY2019	us-gaap	Interest And Debt Expense InterestAndDebtExpense	21000000.0	USD
CY2018	us-gaap	Interest And Debt Expense InterestAndDebtExpense	25500000	USD
CY2021	us-gaap	Net Periodic Defined Benefits Expense Reversal Of Expense Excluding Service Cost Component NetPeriodicDefinedBenefitsExpenseReversalOfExpenseExcludingServiceCostComponent	-12100000	USD
CY2019	us-gaap	Net Periodic Defined Benefits Expense Reversal Of Expense Excluding Service Cost Component NetPeriodicDefinedBenefitsExpenseReversalOfExpenseExcludingServiceCostComponent	-8000000.0	USD
CY2021	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-7200000	USD
CY2018	us-gaap	Net Periodic Defined Benefits Expense Reversal Of Expense Excluding Service Cost Component NetPeriodicDefinedBenefitsExpenseReversalOfExpenseExcludingServiceCostComponent	-13500000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	393900000	USD
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	67800000	USD
CY2019	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-5000000.0	USD
CY2018	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-10700000	USD
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	469700000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	473700000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	71400000	USD
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	60100000	USD
CY2021	us-gaap	Net Income Loss NetIncomeLoss	401900000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	402300000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	333800000	USD
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	10.95
CY2019	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	11.08
CY2018	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	9.32
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	36700000	shares
CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	36300000	shares
CY2018	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	35800000	shares
CY2021	us-gaap	Net Income Loss NetIncomeLoss	401900000	USD
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	10.62
CY2019	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	10.73
CY2018	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	9.01
CY2021	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	37900000	shares
CY2019	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	37500000	shares
CY2018	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	37000000.0	shares
CY2019	us-gaap	Net Income Loss NetIncomeLoss	402300000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	333800000	USD
CY2021	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent	65800000	USD
CY2019	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent	31100000	USD
CY2018	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent	-79500000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	4600000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	2600000	USD
CY2018	us-gaap	Other Comprehensive Income Derivatives Qualifying As Hedges Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToParent	-5400000	USD
CY2021	us-gaap	Other Comprehensive Income Defined Benefit Plans Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent	24700000	USD
CY2021	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	447600000	USD
CY2019	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	419700000	USD
CY2019	us-gaap	Other Comprehensive Income Defined Benefit Plans Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent	16300000	USD
CY2018	us-gaap	Other Comprehensive Income Defined Benefit Plans Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent	31400000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	45700000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	17400000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-116300000	USD
CY2018	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	217500000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	-9800000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	-6600000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	-10600000	USD
CY2021Q1	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	673100000	USD
CY2019Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	199500000	USD
CY2021Q1	us-gaap	Accounts And Other Receivables Net Current AccountsAndOtherReceivablesNetCurrent	402000000.0	USD
CY2019Q4	us-gaap	Accounts And Other Receivables Net Current AccountsAndOtherReceivablesNetCurrent	460400000	USD
CY2021Q1	us-gaap	Unbilled Receivables Current UnbilledReceivablesCurrent	222100000	USD
CY2019Q4	us-gaap	Unbilled Receivables Current UnbilledReceivablesCurrent	200500000	USD
CY2019Q4	us-gaap	Assets Current AssetsCurrent	1313700000	USD
CY2021Q1	us-gaap	Inventory Net InventoryNet	347300000	USD
CY2019Q4	us-gaap	Inventory Net InventoryNet	393400000	USD
CY2021Q1	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	78100000	USD
CY2019Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	59900000	USD
CY2021Q1	us-gaap	Assets Current AssetsCurrent	1722600000	USD
CY2021Q1	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset After Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization	489300000	USD
CY2019Q4	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset After Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization	487900000	USD
CY2021Q1	us-gaap	Goodwill Goodwill	2150000000.0	USD
CY2019Q4	us-gaap	Goodwill Goodwill	2050500000	USD
CY2021Q1	tdy	Acquired Intangible Assets Net Carrying Amount AcquiredIntangibleAssetsNetCarryingAmount	409700000	USD
CY2019Q4	tdy	Acquired Intangible Assets Net Carrying Amount AcquiredIntangibleAssetsNetCarryingAmount	430800000	USD
CY2021Q1	us-gaap	Defined Benefit Plan Assets For Plan Benefits Noncurrent DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent	67900000	USD
CY2019Q4	us-gaap	Defined Benefit Plan Assets For Plan Benefits Noncurrent DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent	71800000	USD
CY2021Q1	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	245300000	USD
CY2019Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	225100000	USD
CY2019Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2021Q1	us-gaap	Assets Assets	5084800000	USD
CY2019Q4	us-gaap	Assets Assets	4579800000	USD
CY2021Q1	us-gaap	Accounts Payable Current AccountsPayableCurrent	229100000	USD
CY2019Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	271100000	USD
CY2021Q1	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	434200000	USD
CY2019Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	391500000	USD
CY2021Q1	us-gaap	Long Term Debt And Capital Lease Obligations Current LongTermDebtAndCapitalLeaseObligationsCurrent	97600000	USD
CY2019Q4	us-gaap	Long Term Debt And Capital Lease Obligations Current LongTermDebtAndCapitalLeaseObligationsCurrent	100600000	USD
CY2021Q1	us-gaap	Liabilities Current LiabilitiesCurrent	760900000	USD
CY2019Q4	us-gaap	Liabilities Current LiabilitiesCurrent	763200000	USD
CY2021Q1	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	680900000	USD
CY2019Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	750000000.0	USD
CY2021Q1	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	414400000	USD
CY2019Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	351900000	USD
CY2021Q1	us-gaap	Liabilities Liabilities	1856200000	USD
CY2019Q4	us-gaap	Liabilities Liabilities	1865100000	USD
CY2021Q1	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2021Q1	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	15000000	shares
CY2019Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	15000000	shares
CY2019Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2021Q1	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2021Q1	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2019Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2021Q1	us-gaap	Preferred Stock Value PreferredStockValue	0	USD
CY2019Q4	us-gaap	Preferred Stock Value PreferredStockValue	0	USD
CY2021Q1	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2019Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2021Q1	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	125000000	shares
CY2019Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	125000000	shares
CY2019Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	37697865	shares
CY2021Q1	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	37697865	shares
CY2021Q1	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	36951607	shares
CY2019Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	4579800000	USD
CY2017Q4	us-gaap	Stockholders Equity StockholdersEquity	1947300000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	333800000	USD
CY2019Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	36547966	shares
CY2021Q1	us-gaap	Common Stock Value CommonStockValue	400000	USD
CY2019Q4	us-gaap	Common Stock Value CommonStockValue	400000	USD
CY2021Q1	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	389900000	USD
CY2019Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	360500000	USD
CY2021Q1	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	3327900000	USD
CY2019Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	2926000000.0	USD
CY2021Q1	us-gaap	Treasury Stock Shares TreasuryStockShares	746258	shares
CY2019Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	1149899	shares
CY2021Q1	us-gaap	Treasury Stock Value TreasuryStockValue	59500000	USD
CY2019Q4	us-gaap	Treasury Stock Value TreasuryStockValue	96400000	USD
CY2021Q1	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-430100000	USD
CY2019Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-475800000	USD
CY2021Q1	us-gaap	Stockholders Equity StockholdersEquity	3228600000	USD
CY2019Q4	us-gaap	Stockholders Equity StockholdersEquity	2714700000	USD
CY2021Q1	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	5084800000	USD
CY2018	tdy	Exercise Of Stock Options And Other Net ExerciseOfStockOptionsAndOtherNet	24400000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-116300000	USD
CY2018	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	0	USD
CY2018Q4	us-gaap	Stockholders Equity StockholdersEquity	2229700000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	402300000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	17400000	USD
CY2019	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	0	USD
CY2019	us-gaap	Stock Granted During Period Value Sharebased Compensation Gross StockGrantedDuringPeriodValueSharebasedCompensationGross	30700000	USD
CY2018	us-gaap	Stock Granted During Period Value Sharebased Compensation Gross StockGrantedDuringPeriodValueSharebasedCompensationGross	37200000	USD
CY2019	tdy	Exercise Of Stock Options And Other Net ExerciseOfStockOptionsAndOtherNet	34600000	USD
CY2019Q4	us-gaap	Stockholders Equity StockholdersEquity	2714700000	USD
CY2021	us-gaap	Net Income Loss NetIncomeLoss	401900000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	45700000	USD
CY2021	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	0	USD
CY2021	us-gaap	Stock Granted During Period Value Sharebased Compensation Gross StockGrantedDuringPeriodValueSharebasedCompensationGross	30000000.0	USD
CY2021	tdy	Exercise Of Stock Options And Other Net ExerciseOfStockOptionsAndOtherNet	36300000	USD
CY2021Q1	us-gaap	Stockholders Equity StockholdersEquity	3228600000	USD
CY2021	us-gaap	Net Income Loss NetIncomeLoss	401900000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	402300000	USD
CY2019	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	88400000	USD
CY2019	us-gaap	Stock Option Plan Expense StockOptionPlanExpense	30700000	USD
CY2018	us-gaap	Stock Option Plan Expense StockOptionPlanExpense	25100000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	333800000	USD
CY2021	us-gaap	Depreciation And Amortization DepreciationAndAmortization	116200000	USD
CY2019	us-gaap	Depreciation And Amortization DepreciationAndAmortization	111900000	USD
CY2018	us-gaap	Depreciation And Amortization DepreciationAndAmortization	113000000.0	USD
CY2021	us-gaap	Stock Option Plan Expense StockOptionPlanExpense	30000000.0	USD
CY2021	us-gaap	Increase Decrease In Accounts And Other Receivables IncreaseDecreaseInAccountsAndOtherReceivables	-47800000	USD
CY2019	us-gaap	Increase Decrease In Accounts And Other Receivables IncreaseDecreaseInAccountsAndOtherReceivables	58800000	USD
CY2018	us-gaap	Increase Decrease In Accounts And Other Receivables IncreaseDecreaseInAccountsAndOtherReceivables	66700000	USD
CY2021	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-54300000	USD
CY2019	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-12200000	USD
CY2018	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	1700000	USD
CY2021	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	10200000	USD
CY2019	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	5300000	USD
CY2018	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-12500000	USD
CY2021	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-46300000	USD
CY2019	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	29600000	USD
CY2018	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	39900000	USD
CY2021	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	53700000	USD
CY2019	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	17800000	USD
CY2018	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	4100000	USD
CY2021	tdy	Increase Decrease In Deferred And Income Taxes Payable IncreaseDecreaseInDeferredAndIncomeTaxesPayable	-28800000	USD
CY2019	tdy	Increase Decrease In Deferred And Income Taxes Payable IncreaseDecreaseInDeferredAndIncomeTaxesPayable	-53800000	USD
CY2018	tdy	Increase Decrease In Deferred And Income Taxes Payable IncreaseDecreaseInDeferredAndIncomeTaxesPayable	-26400000	USD
CY2021	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	-300000	USD
CY2019	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	4500000	USD
CY2018	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	-13300000	USD
CY2021	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	618900000	USD
CY2019	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	482100000	USD
CY2018	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	446900000	USD
CY2021	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	71400000	USD
CY2021	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-1000000.0	USD
CY2019	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-500000	USD
CY2018	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-1300000	USD
CY2018	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	86800000	USD
CY2021	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	29000000.0	USD
CY2019	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	484000000.0	USD
CY2018	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	3100000	USD
CY2021	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-99400000	USD
CY2019	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-571900000	USD
CY2018	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-88600000	USD
CY2021	us-gaap	Proceeds From Lines Of Credit ProceedsFromLinesOfCredit	0	USD
CY2019	us-gaap	Proceeds From Lines Of Credit ProceedsFromLinesOfCredit	96000000.0	USD
CY2018	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	136000000.0	USD
CY2021	us-gaap	Proceeds From Other Debt ProceedsFromOtherDebt	2700000	USD
CY2019	us-gaap	Proceeds From Other Debt ProceedsFromOtherDebt	0	USD
CY2018	us-gaap	Proceeds From Other Debt ProceedsFromOtherDebt	11500000	USD
CY2021	us-gaap	Repayments Of Other Debt RepaymentsOfOtherDebt	100800000	USD
CY2019	us-gaap	Repayments Of Other Debt RepaymentsOfOtherDebt	137200000	USD
CY2018	us-gaap	Repayments Of Other Debt RepaymentsOfOtherDebt	182000000.0	USD
CY2021	us-gaap	Proceeds From Issuance Of Senior Long Term Debt ProceedsFromIssuanceOfSeniorLongTermDebt	0	USD
CY2019	us-gaap	Proceeds From Issuance Of Senior Long Term Debt ProceedsFromIssuanceOfSeniorLongTermDebt	150000000.0	USD
CY2018	us-gaap	Proceeds From Issuance Of Senior Long Term Debt ProceedsFromIssuanceOfSeniorLongTermDebt	0	USD
CY2021	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	36300000	USD
CY2019	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	34600000	USD
CY2018	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	37200000	USD
CY2021	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	0	USD
CY2019	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-1700000	USD
CY2018	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-2000000.0	USD
CY2021	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-61800000	USD
CY2019	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	141700000	USD
CY2018	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-271300000	USD
CY2021	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	15900000	USD
CY2019	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	5100000	USD
CY2018	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-15400000	USD
CY2021	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	473600000	USD
CY2019	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	57000000.0	USD
CY2018	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	71600000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	199500000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	142500000	USD
CY2017Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	70900000	USD
CY2021Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	673100000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	199500000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	142500000	USD
CY2021	us-gaap	Nature Of Operations NatureOfOperations	Description of Business<div style="margin-top:4.4pt;text-indent:22.5pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Teledyne Technologies Incorporated (“Teledyne” or the “Company”) became an independent, public company effective November 29, 1999. Teledyne provides enabling technologies for industrial growth markets that require advanced technology and high reliability. These markets include aerospace and defense, factory automation, air and water quality environmental monitoring, electronics design and development, oceanographic research, deepwater oil and gas exploration and production, medical imaging and pharmaceutical research. The products include digital imaging sensors, cameras and systems within the visible, infrared and X-ray spectra, monitoring and control instrumentation for marine and environmental applications, harsh environment interconnects, electronic test and measurement equipment, aircraft information management systems, and defense electronics and satellite communication subsystems. Teledyne also supplies engineered systems for defense, space, environmental and energy applications. Teledyne differentiates itself from many of its direct competitors by having a customer and company-sponsored applied research center that augments our product development expertise.</span></div><div style="margin-top:4.4pt;text-indent:22.5pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Teledyne consists of the Instrumentation segment with principal operations in the United States, the United Kingdom and Denmark; the Digital Imaging segment with principal operations in the United States, Canada, France, the Netherlands and the United Kingdom: the Aerospace and Defense Electronics segment with principal operations in the United States and the United Kingdom; and the Engineered Systems segment with principal operations in the United States.</span></div>
CY2019	us-gaap	Oci Before Reclassifications Net Of Tax Attributable To Parent OciBeforeReclassificationsNetOfTaxAttributableToParent	38700000	USD
CY2021	us-gaap	Fiscal Period FiscalPeriod	<div style="margin-top:6.9pt;padding-left:2.25pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%">Fiscal Year</span></div><div style="margin-top:1.4pt;text-indent:22.5pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The Company operates on a 52- or 53-week fiscal year convention ending on the Sunday nearest to December 31. Fiscal year 2020 was a 53-week fiscal year and ended on January 3, 2021. Fiscal year 2019 was a 52-week fiscal year and ended on December 29, 2019. Fiscal year 2018 was a 52-week fiscal year and ended on December 30, 2018. References to the years 2020, 2019 and 2018 are intended to refer to the respective fiscal year unless otherwise noted.</span></div>
CY2021	us-gaap	Use Of Estimates UseOfEstimates	<div style="margin-top:6.9pt;padding-left:2.25pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%">Estimates</span></div><div style="margin-top:1.4pt;text-indent:22.5pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The preparation of financial statements in conformity with U.S. generally accepted accounting principles (“GAAP”) requires management to make estimates and assumptions that affect reported amounts of assets, liabilities, revenues and expenses, and related disclosure of contingent liabilities. On an ongoing basis, the Company evaluates its estimates, including those related to sales returns and allowances, allowance for doubtful accounts, inventories, goodwill, intangible assets, asset valuations, income taxes, warranty obligations, pension and other postretirement benefits, long-term contracts, environmental, workers</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:120%">’</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"> compensation and general liability, employee benefits and other contingencies and litigation. The Company bases its estimates on historical experience and on various other assumptions that are believed to be reasonable under the circumstances at the time, the results of which form the basis for making its judgments. Actual results may differ materially from these estimates under different assumptions or conditions. Management believes that the estimates are reasonable.</span></div>
CY2019	us-gaap	Reclassification From Aoci Current Period Net Of Tax Attributable To Parent ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent	21300000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	17400000	USD
CY2021	us-gaap	Oci Before Reclassifications Net Of Tax Attributable To Parent OciBeforeReclassificationsNetOfTaxAttributableToParent	52000000.0	USD
CY2021	us-gaap	Reclassification From Aoci Current Period Net Of Tax Attributable To Parent ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent	6300000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	45700000	USD
CY2021	us-gaap	Contract With Customer Liability Cumulative Catch Up Adjustment To Revenue Change In Estimate Of Transaction Price ContractWithCustomerLiabilityCumulativeCatchUpAdjustmentToRevenueChangeInEstimateOfTransactionPrice	14600000	USD
CY2019	us-gaap	Contract With Customer Liability Cumulative Catch Up Adjustment To Revenue Change In Estimate Of Transaction Price ContractWithCustomerLiabilityCumulativeCatchUpAdjustmentToRevenueChangeInEstimateOfTransactionPrice	20200000	USD
CY2021Q1	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	1839000000.0	USD
CY2021Q1	us-gaap	Revenue Remaining Performance Obligation Percentage RevenueRemainingPerformanceObligationPercentage	0.77
CY2021Q1	us-gaap	Revenue Remaining Performance Obligation Expected Timing Of Satisfaction Period1 RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1	P12M
CY2021Q1	us-gaap	Revenue Remaining Performance Obligation Percentage RevenueRemainingPerformanceObligationPercentage	0.23
CY2021	tdy	Period For Product Warranty PeriodForProductWarranty	P1Y
CY2019Q4	us-gaap	Standard Product Warranty Accrual StandardProductWarrantyAccrual	24800000	USD
CY2018Q4	us-gaap	Standard Product Warranty Accrual StandardProductWarrantyAccrual	21000000.0	USD
CY2017Q4	us-gaap	Standard Product Warranty Accrual StandardProductWarrantyAccrual	21100000	USD
CY2021	us-gaap	Standard Product Warranty Accrual Warranties Issued StandardProductWarrantyAccrualWarrantiesIssued	3300000	USD
CY2019	us-gaap	Standard Product Warranty Accrual Warranties Issued StandardProductWarrantyAccrualWarrantiesIssued	13100000	USD
CY2018	us-gaap	Standard Product Warranty Accrual Warranties Issued StandardProductWarrantyAccrualWarrantiesIssued	10000000.0	USD
CY2021	us-gaap	Standard Product Warranty Accrual Payments StandardProductWarrantyAccrualPayments	8200000	USD
CY2019Q4	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	126800000	USD
CY2019	us-gaap	Standard Product Warranty Accrual Payments StandardProductWarrantyAccrualPayments	14200000	USD
CY2018	us-gaap	Standard Product Warranty Accrual Payments StandardProductWarrantyAccrualPayments	10100000	USD
CY2021	us-gaap	Standard Product Warranty Accrual Additions From Business Acquisition StandardProductWarrantyAccrualAdditionsFromBusinessAcquisition	2500000	USD
CY2019	us-gaap	Standard Product Warranty Accrual Additions From Business Acquisition StandardProductWarrantyAccrualAdditionsFromBusinessAcquisition	4900000	USD
CY2018	us-gaap	Standard Product Warranty Accrual Additions From Business Acquisition StandardProductWarrantyAccrualAdditionsFromBusinessAcquisition	0	USD
CY2021Q1	us-gaap	Standard Product Warranty Accrual StandardProductWarrantyAccrual	22400000	USD
CY2019Q4	us-gaap	Standard Product Warranty Accrual StandardProductWarrantyAccrual	24800000	USD
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	36700000	shares
CY2018Q4	us-gaap	Standard Product Warranty Accrual StandardProductWarrantyAccrual	21000000.0	USD
CY2021	tdy	Selling General And Administrative Expenses Include Company Funded Research And Development SellingGeneralAndAdministrativeExpensesIncludeCompanyFundedResearchAndDevelopment	196000000.0	USD
CY2019	tdy	Selling General And Administrative Expenses Include Company Funded Research And Development SellingGeneralAndAdministrativeExpensesIncludeCompanyFundedResearchAndDevelopment	209600000	USD
CY2018	tdy	Selling General And Administrative Expenses Include Company Funded Research And Development SellingGeneralAndAdministrativeExpensesIncludeCompanyFundedResearchAndDevelopment	185600000	USD
CY2021	tdy	Numberof Yearsof Cumulative Operating Income Usedto Determine Income Tax Valuation Allowance NumberofYearsofCumulativeOperatingIncomeUsedtoDetermineIncomeTaxValuationAllowance	P3Y
CY2021	us-gaap	Net Income Loss NetIncomeLoss	401900000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	402300000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	333800000	USD
CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	36300000	shares
CY2018	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	35800000	shares
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	10.95
CY2019	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	11.08
CY2018	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	9.32
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	36700000	shares
CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	36300000	shares
CY2018	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	35800000	shares
CY2021	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	1200000	shares
CY2018	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	37000000.0	shares
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	10.62
CY2019	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	10.73
CY2019	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	1200000	shares
CY2018	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	1200000	shares
CY2021	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	37900000	shares
CY2019	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	37500000	shares
CY2018	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	9.01
CY2021	tdy	Shares Of Common Stock To Be Purchased Due To Stock Options SharesOfCommonStockToBePurchasedDueToStockOptions	1600000	shares
CY2019	tdy	Shares Of Common Stock To Be Purchased Due To Stock Options SharesOfCommonStockToBePurchasedDueToStockOptions	2000000.0	shares
CY2018	tdy	Shares Of Common Stock To Be Purchased Due To Stock Options SharesOfCommonStockToBePurchasedDueToStockOptions	2100000	shares
CY2021Q1	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	673100000	USD
CY2021Q1	tdy	Cash Equivalentsat Carrying Value Heldin Foreign Bank Accounts CashEquivalentsatCarryingValueHeldinForeignBankAccounts	192300000	USD
CY2021Q1	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	160100000	USD
CY2021Q1	us-gaap	Contract With Customer Liability Noncurrent ContractWithCustomerLiabilityNoncurrent	14000000.0	USD
CY2019Q4	us-gaap	Contract With Customer Liability Noncurrent ContractWithCustomerLiabilityNoncurrent	17900000	USD
CY2021	tdy	Contract With Customer Asset Increase Decrease Amount ContractWithCustomerAssetIncreaseDecreaseAmount	21600000	USD
CY2021	tdy	Contract With Customer Asset Increase Decrease Percent ContractWithCustomerAssetIncreaseDecreasePercent	0.108
CY2021	tdy	Contract With Customer Liability Increase Decrease Amount ContractWithCustomerLiabilityIncreaseDecreaseAmount	29400000	USD
CY2021	tdy	Contract With Customer Liability Increase Decrease Percent ContractWithCustomerLiabilityIncreaseDecreasePercent	0.203
CY2021	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	80700000	USD
CY2021Q1	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	12300000	USD
CY2019Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	10200000	USD
CY2021	tdy	Expense Of Reserve For Doubtful Accounts ExpenseOfReserveForDoubtfulAccounts	4100000	USD
CY2019	tdy	Expense Of Reserve For Doubtful Accounts ExpenseOfReserveForDoubtfulAccounts	1300000	USD
CY2018	tdy	Expense Of Reserve For Doubtful Accounts ExpenseOfReserveForDoubtfulAccounts	600000	USD
CY2021	us-gaap	Depreciation Depreciation	76600000	USD
CY2019	us-gaap	Depreciation Depreciation	74500000	USD
CY2018	us-gaap	Depreciation Depreciation	73500000	USD
CY2021	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	USD
CY2018	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	USD
CY2019	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	USD
CY2021	tdy	Deferred Compensation Employee Contribution Vesting Percentage DeferredCompensationEmployeeContributionVestingPercentage	1
CY2021Q1	us-gaap	Deferred Compensation Liability Classified Noncurrent DeferredCompensationLiabilityClassifiedNoncurrent	68900000	USD
CY2019Q4	us-gaap	Deferred Compensation Liability Classified Noncurrent DeferredCompensationLiabilityClassifiedNoncurrent	63000000.0	USD
CY2021Q1	us-gaap	Cash Surrender Value Of Life Insurance CashSurrenderValueOfLifeInsurance	72600000	USD
CY2019Q4	us-gaap	Cash Surrender Value Of Life Insurance CashSurrenderValueOfLifeInsurance	65600000	USD
CY2019Q4	us-gaap	Derivative Fair Value Of Derivative Liability Amount Not Offset Against Collateral DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral	700000	USD
CY2021	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	74500000	USD
CY2021Q1	us-gaap	Accrual For Environmental Loss Contingencies AccrualForEnvironmentalLossContingencies	6500000	USD
CY2019Q4	us-gaap	Accrual For Environmental Loss Contingencies AccrualForEnvironmentalLossContingencies	6000000.0	USD
CY2021Q1	us-gaap	Derivative Fair Value Of Derivative Liability Amount Not Offset Against Collateral DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral	16300000	USD
CY2021	us-gaap	Proceeds From Income Tax Refunds ProceedsFromIncomeTaxRefunds	8100000	USD
CY2019	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	110100000	USD
CY2019	us-gaap	Proceeds From Income Tax Refunds ProceedsFromIncomeTaxRefunds	7100000	USD
CY2018	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	64700000	USD
CY2018	us-gaap	Proceeds From Income Tax Refunds ProceedsFromIncomeTaxRefunds	7600000	USD
CY2021	tdy	Cash Payments For Interest And Credit Facility Fees CashPaymentsForInterestAndCreditFacilityFees	19100000	USD
CY2019	tdy	Cash Payments For Interest And Credit Facility Fees CashPaymentsForInterestAndCreditFacilityFees	23400000	USD
CY2018	tdy	Cash Payments For Interest And Credit Facility Fees CashPaymentsForInterestAndCreditFacilityFees	28100000	USD
CY2018	us-gaap	Related Party Transaction Amounts Of Transaction RelatedPartyTransactionAmountsOfTransaction	0	USD
CY2019	us-gaap	Related Party Transaction Amounts Of Transaction RelatedPartyTransactionAmountsOfTransaction	0	USD
CY2021	us-gaap	Related Party Transaction Amounts Of Transaction RelatedPartyTransactionAmountsOfTransaction	0	USD
CY2021	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	29000000.0	USD
CY2019	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	484000000.0	USD
CY2018	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	3100000	USD
CY2021Q1	us-gaap	Goodwill Goodwill	2150000000.0	USD
CY2019Q4	us-gaap	Goodwill Goodwill	2050500000	USD
CY2021Q1	tdy	Acquired Intangible Assets Net Carrying Amount AcquiredIntangibleAssetsNetCarryingAmount	409700000	USD
CY2019Q4	tdy	Acquired Intangible Assets Net Carrying Amount AcquiredIntangibleAssetsNetCarryingAmount	430800000	USD
CY2021	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	29000000.0	USD
CY2021	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	16900000	USD
CY2021Q1	us-gaap	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Intangible Assets Other Than Goodwill BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill	7000000.0	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	329900000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	267300000	USD
CY2018Q4	us-gaap	Goodwill Goodwill	1735200000	USD
CY2019	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	304900000	USD
CY2019	tdy	Goodwill Foreign Currency Translation Gain Loss And Transfers GoodwillForeignCurrencyTranslationGainLossAndTransfers	10400000	USD
CY2019Q4	us-gaap	Goodwill Goodwill	2050500000	USD
CY2021	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	16900000	USD
CY2021	tdy	Goodwill Foreign Currency Translation Gain Loss And Transfers GoodwillForeignCurrencyTranslationGainLossAndTransfers	82600000	USD
CY2021Q1	us-gaap	Goodwill Goodwill	2150000000.0	USD
CY2021Q1	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	611200000	USD
CY2021Q1	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	377200000	USD
CY2021Q1	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	234000000.0	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	597200000	USD
CY2021Q1	tdy	Acquired Intangible Assets Gross Carrying Amount AcquiredIntangibleAssetsGrossCarryingAmount	786900000	USD
CY2021Q1	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	377200000	USD
CY2021Q1	tdy	Acquired Intangible Assets Net Carrying Amount AcquiredIntangibleAssetsNetCarryingAmount	409700000	USD
CY2019Q4	tdy	Acquired Intangible Assets Gross Carrying Amount AcquiredIntangibleAssetsGrossCarryingAmount	760700000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	329900000	USD
CY2019Q4	tdy	Acquired Intangible Assets Net Carrying Amount AcquiredIntangibleAssetsNetCarryingAmount	430800000	USD
CY2021	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	39600000	USD
CY2019	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	37400000	USD
CY2018	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	39500000	USD
CY2021Q1	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	39000000.0	USD
CY2021Q1	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	36200000	USD
CY2021Q1	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	32200000	USD
CY2021Q1	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	30400000	USD
CY2021Q1	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	24400000	USD
CY2021	us-gaap	Acquired Finite Lived Intangible Assets Weighted Average Useful Life AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife	P5Y9M18D
CY2021Q1	us-gaap	Cash Equivalents At Carrying Value CashEquivalentsAtCarryingValue	471000000.0	USD
CY2019Q4	us-gaap	Cash Equivalents At Carrying Value CashEquivalentsAtCarryingValue	0	USD
CY2021Q1	us-gaap	Inventory Net InventoryNet	347300000	USD
CY2021Q1	us-gaap	Billed Contract Receivables BilledContractReceivables	414300000	USD
CY2019Q4	us-gaap	Billed Contract Receivables BilledContractReceivables	470600000	USD
CY2021Q1	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	12300000	USD
CY2019Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	10200000	USD
CY2021Q1	us-gaap	Accounts And Other Receivables Net Current AccountsAndOtherReceivablesNetCurrent	402000000.0	USD
CY2019Q4	us-gaap	Accounts And Other Receivables Net Current AccountsAndOtherReceivablesNetCurrent	460400000	USD
CY2021Q1	us-gaap	Unbilled Contracts Receivable UnbilledContractsReceivable	222100000	USD
CY2019Q4	us-gaap	Unbilled Contracts Receivable UnbilledContractsReceivable	200400000	USD
CY2021Q1	us-gaap	Inventory Raw Materials And Supplies InventoryRawMaterialsAndSupplies	231000000.0	USD
CY2019Q4	us-gaap	Inventory Raw Materials And Supplies InventoryRawMaterialsAndSupplies	231200000	USD
CY2021Q1	us-gaap	Inventory Work In Process InventoryWorkInProcess	60500000	USD
CY2019Q4	us-gaap	Inventory Work In Process InventoryWorkInProcess	108300000	USD
CY2021Q1	us-gaap	Inventory Finished Goods InventoryFinishedGoods	62500000	USD
CY2019Q4	us-gaap	Inventory Finished Goods InventoryFinishedGoods	61700000	USD
CY2021Q1	us-gaap	Inventory Gross InventoryGross	354000000.0	USD
CY2019Q4	us-gaap	Inventory Gross InventoryGross	401200000	USD
CY2021Q1	us-gaap	Inventory Lifo Reserve InventoryLIFOReserve	6700000	USD
CY2019Q4	us-gaap	Inventory Lifo Reserve InventoryLIFOReserve	7800000	USD
CY2019Q4	us-gaap	Inventory Net InventoryNet	393400000	USD
CY2021Q1	us-gaap	Lifo Inventory Amount LIFOInventoryAmount	29200000	USD
CY2019Q4	us-gaap	Lifo Inventory Amount LIFOInventoryAmount	40000000.0	USD
CY2021Q1	tdy	Inventories At Average Cost Or Fifo Methods InventoriesAtAverageCostOrFifoMethods	324800000	USD
CY2019Q4	tdy	Inventories At Average Cost Or Fifo Methods InventoriesAtAverageCostOrFifoMethods	361200000	USD
CY2021	us-gaap	Inventory Lifo Reserve Effect On Income Net InventoryLIFOReserveEffectOnIncomeNet	-1100000	USD
CY2019	us-gaap	Inventory Lifo Reserve Effect On Income Net InventoryLIFOReserveEffectOnIncomeNet	-1600000	USD
CY2018	us-gaap	Inventory Lifo Reserve Effect On Income Net InventoryLIFOReserveEffectOnIncomeNet	-100000	USD
CY2017Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	2157632	shares
CY2018	us-gaap	Stock Issued During Period Shares Treasury Stock Reissued StockIssuedDuringPeriodSharesTreasuryStockReissued	547064	shares
CY2021Q1	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	1162700000	USD
CY2019Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	1111800000	USD
CY2021Q1	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	673400000	USD
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	72.00
CY2019Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	623900000	USD
CY2021Q1	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	489300000	USD
CY2019Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	487900000	USD
CY2017Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	37697865	shares
CY2018Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	37697865	shares
CY2018Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	1610568	shares
CY2019	us-gaap	Stock Issued During Period Shares Treasury Stock Reissued StockIssuedDuringPeriodSharesTreasuryStockReissued	460669	shares
CY2019Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	37697865	shares
CY2019Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	1149899	shares
CY2021	us-gaap	Stock Issued During Period Shares Treasury Stock Reissued StockIssuedDuringPeriodSharesTreasuryStockReissued	403641	shares
CY2021Q1	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	37697865	shares
CY2021Q1	us-gaap	Treasury Stock Shares TreasuryStockShares	746258	shares
CY2019Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2021Q1	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2018Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2021Q1	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2019Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2018Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	96900000	USD
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	82500000	USD
CY2021Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	403600000	USD
CY2021Q1	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	339800000	USD
CY2021	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	36300000	USD
CY2019	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	34600000	USD
CY2021	tdy	Period Used For Exchange Traded Option Included Longest Dated Options PeriodUsedForExchangeTradedOptionIncludedLongestDatedOptions	P3M
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	106.26
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	71.89
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	1988576	shares
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	130.67
CY2018Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	2064740	shares
CY2018Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	104.66
CY2017Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	2285703	shares
CY2017Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	83.73
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod	247273	shares
CY2021	tdy	Share Based Compensation Arrangement By Share Based Payment Award Option Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionGrantsInPeriodWeightedAverageExercisePrice	382.91
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod	390789	shares
CY2019	tdy	Share Based Compensation Arrangement By Share Based Payment Award Option Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionGrantsInPeriodWeightedAverageExercisePrice	217.58
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod	376065	shares
CY2018	tdy	Share Based Compensation Arrangement By Share Based Payment Award Option Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionGrantsInPeriodWeightedAverageExercisePrice	192.28
CY2021	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	382554	shares
CY2021	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	95.22
CY2019	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	429654	shares
CY2019	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	80.31
CY2018	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	516927	shares
CY2018	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	71.95
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod	34148	shares
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice	252.43
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod	37299	shares
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice	181.62
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod	80101	shares
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice	129.85
CY2021Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	1819147	shares
CY2021Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	170.10
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	1988576	shares
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	130.67
CY2018Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	2064740	shares
CY2018Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	104.66
CY2021Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	1242786	shares
CY2021Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	118.57
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	1242205	shares
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	94.04
CY2018Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	1257766	shares
CY2018Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	78.26
CY2021Q1	us-gaap	Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Number Of Outstanding Options ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions	1819147	shares
CY2021Q1	us-gaap	Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Outstanding Options Weighted Average Exercise Price Beginning Balance1 SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1	170.10
CY2021	us-gaap	Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Outstanding Options Weighted Average Remaining Contractual Term2 SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageRemainingContractualTerm2	P6Y1M6D
CY2021Q1	us-gaap	Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Number Of Exercisable Options ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions	1242786	shares
CY2021Q1	us-gaap	Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Exercisable Options Weighted Average Exercise Price1 SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1	118.57
CY2021Q1	us-gaap	Deferred Finance Costs Net DeferredFinanceCostsNet	800000	USD
CY2019Q4	us-gaap	Deferred Finance Costs Net DeferredFinanceCostsNet	1200000	USD
CY2021Q1	us-gaap	Long Term Debt LongTermDebt	778500000	USD
CY2019Q4	us-gaap	Long Term Debt LongTermDebt	850600000	USD
CY2021Q1	us-gaap	Long Term Debt Current LongTermDebtCurrent	97600000	USD
CY2019Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	100600000	USD
CY2021Q1	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	680900000	USD
CY2019Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	750000000.0	USD
CY2021Q1	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	97100000	USD
CY2021Q1	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	161100000	USD
CY2021Q1	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	122100000	USD
CY2021Q1	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	397100000	USD
CY2021Q1	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive	800000	USD
CY2021Q1	us-gaap	Long Term Debt Maturities Repayments Of Principal After Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive	1100000	USD
CY2021Q1	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	779300000	USD
CY2021Q1	us-gaap	Deferred Finance Costs Net DeferredFinanceCostsNet	800000	USD
CY2021Q1	us-gaap	Long Term Debt LongTermDebt	778500000	USD
CY2021	us-gaap	Interest Expense Debt InterestExpenseDebt	15800000	USD
CY2019	us-gaap	Interest Expense Debt InterestExpenseDebt	22000000.0	USD
CY2018	us-gaap	Interest Expense Debt InterestExpenseDebt	29200000	USD
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	289500000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	295900000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	243700000	USD
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	180200000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	177800000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	150200000	USD
CY2021	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	25300000	USD
CY2019	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	66000000.0	USD
CY2018	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	22900000	USD
CY2021	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	7000000.0	USD
CY2019	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	10600000	USD
CY2018	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	8100000	USD
CY2021	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	39100000	USD
CY2019	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	28400000	USD
CY2018	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	31800000	USD
CY2021	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	71400000	USD
CY2019	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	105000000.0	USD
CY2018	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	62800000	USD
CY2021	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-500000	USD
CY2019	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-37000000.0	USD
CY2018	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	2300000	USD
CY2021	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	2300000	USD
CY2019	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-2300000	USD
CY2018	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	600000	USD
CY2021	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-5400000	USD
CY2019	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	5700000	USD
CY2018	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-5600000	USD
CY2021	tdy	Deferred Income Taxes Expense Benefit DeferredIncomeTaxesExpenseBenefit	-3600000	USD
CY2019	tdy	Deferred Income Taxes Expense Benefit DeferredIncomeTaxesExpenseBenefit	-33600000	USD
CY2018	tdy	Deferred Income Taxes Expense Benefit DeferredIncomeTaxesExpenseBenefit	-2700000	USD
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	67800000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	71400000	USD
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	60100000	USD
CY2021	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
CY2019	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
CY2018	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
CY2021	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.020
CY2019	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.022
CY2018	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.019
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Research EffectiveIncomeTaxRateReconciliationTaxCreditsResearch	0.034
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Research EffectiveIncomeTaxRateReconciliationTaxCreditsResearch	0.022
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Research EffectiveIncomeTaxRateReconciliationTaxCreditsResearch	0.023
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Investment EffectiveIncomeTaxRateReconciliationTaxCreditsInvestment	0.010
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Investment EffectiveIncomeTaxRateReconciliationTaxCreditsInvestment	0.011
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Investment EffectiveIncomeTaxRateReconciliationTaxCreditsInvestment	0.012
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	0.006
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	0.007
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	0.011
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Tax Contingencies EffectiveIncomeTaxRateReconciliationTaxContingencies	0.007
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Tax Contingencies EffectiveIncomeTaxRateReconciliationTaxContingencies	-0.006
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Tax Contingencies EffectiveIncomeTaxRateReconciliationTaxContingencies	-0.003
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Share Based Compensation Excess Tax Benefit Percent EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitPercent	0.045
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Share Based Compensation Excess Tax Benefit Percent EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitPercent	0.033
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Share Based Compensation Excess Tax Benefit Percent EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitPercent	0.033
CY2021	tdy	Effective Income Tax Rate Reconciliation Global Intangible Low Taxed Income Percent EffectiveIncomeTaxRateReconciliationGlobalIntangibleLowTaxedIncomePercent	-0.025
CY2019	tdy	Effective Income Tax Rate Reconciliation Global Intangible Low Taxed Income Percent EffectiveIncomeTaxRateReconciliationGlobalIntangibleLowTaxedIncomePercent	-0.030
CY2018	tdy	Effective Income Tax Rate Reconciliation Global Intangible Low Taxed Income Percent EffectiveIncomeTaxRateReconciliationGlobalIntangibleLowTaxedIncomePercent	-0.013
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.015
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.014
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.003
CY2021	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.144
CY2019	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.151
CY2018	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.153
CY2021Q1	tdy	Deferred Tax Assets Tax Deferred Expense Reservesand Accrual Noncurrent DeferredTaxAssetsTaxDeferredExpenseReservesandAccrualNoncurrent	22200000	USD
CY2019Q4	tdy	Deferred Tax Assets Tax Deferred Expense Reservesand Accrual Noncurrent DeferredTaxAssetsTaxDeferredExpenseReservesandAccrualNoncurrent	20500000	USD
CY2021Q1	tdy	Deferred Tax Assets Inventory Noncurrent DeferredTaxAssetsInventoryNoncurrent	15400000	USD
CY2019Q4	tdy	Deferred Tax Assets Inventory Noncurrent DeferredTaxAssetsInventoryNoncurrent	14500000	USD
CY2021Q1	tdy	Deferred Tax Assets Tax Deferred Expense Compensationand Benefits Compensated Absences Noncurrent DeferredTaxAssetsTaxDeferredExpenseCompensationandBenefitsCompensatedAbsencesNoncurrent	7600000	USD
CY2019Q4	tdy	Deferred Tax Assets Tax Deferred Expense Compensationand Benefits Compensated Absences Noncurrent DeferredTaxAssetsTaxDeferredExpenseCompensationandBenefitsCompensatedAbsencesNoncurrent	7800000	USD
CY2021Q1	tdy	Deferred Tax Assets Tax Deferred Expense Compensationand Benefits Deferred Compensationand Other Benefit Plans Noncurrent DeferredTaxAssetsTaxDeferredExpenseCompensationandBenefitsDeferredCompensationandOtherBenefitPlansNoncurrent	39000000.0	USD
CY2019Q4	tdy	Deferred Tax Assets Tax Deferred Expense Compensationand Benefits Deferred Compensationand Other Benefit Plans Noncurrent DeferredTaxAssetsTaxDeferredExpenseCompensationandBenefitsDeferredCompensationandOtherBenefitPlansNoncurrent	30200000	USD
CY2021Q1	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Postretirement Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits	1800000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Postretirement Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits	1800000	USD
CY2021Q1	tdy	Deferred Tax Assets Operating Lease Right Of Use Assets DeferredTaxAssetsOperatingLeaseRightOfUseAssets	29900000	USD
CY2019Q4	tdy	Deferred Tax Assets Operating Lease Right Of Use Assets DeferredTaxAssetsOperatingLeaseRightOfUseAssets	33500000	USD
CY2021Q1	us-gaap	Deferred Tax Assets In Process Research And Development DeferredTaxAssetsInProcessResearchAndDevelopment	37100000	USD
CY2019Q4	us-gaap	Deferred Tax Assets In Process Research And Development DeferredTaxAssetsInProcessResearchAndDevelopment	38800000	USD
CY2021Q1	tdy	Deferred Tax Assets Operating Loss And Tax Credit Carryforwards DeferredTaxAssetsOperatingLossAndTaxCreditCarryforwards	44200000	USD
CY2019Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	17300000	USD
CY2021Q1	us-gaap	Undistributed Earnings Of Foreign Subsidiaries UndistributedEarningsOfForeignSubsidiaries	326800000	USD
CY2019Q4	tdy	Deferred Tax Assets Operating Loss And Tax Credit Carryforwards DeferredTaxAssetsOperatingLossAndTaxCreditCarryforwards	30200000	USD
CY2021Q1	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	12900000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	6100000	USD
CY2021Q1	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	184300000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	171200000	USD
CY2021Q1	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	16500000	USD
CY2019Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	16000000.0	USD
CY2021Q1	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets	139400000	USD
CY2019Q4	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets	133500000	USD
CY2021Q1	tdy	Deferred Tax Liabilities Operating Lease Liabilities DeferredTaxLiabilitiesOperatingLeaseLiabilities	27700000	USD
CY2019Q4	tdy	Deferred Tax Liabilities Operating Lease Liabilities DeferredTaxLiabilitiesOperatingLeaseLiabilities	33500000	USD
CY2021Q1	tdy	Deferred Tax Liabilities Other Noncurrent DeferredTaxLiabilitiesOtherNoncurrent	3700000	USD
CY2019Q4	tdy	Deferred Tax Liabilities Other Noncurrent DeferredTaxLiabilitiesOtherNoncurrent	5500000	USD
CY2021Q1	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	187300000	USD
CY2019Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	188500000	USD
CY2021Q1	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	3000000.0	USD
CY2021	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	4900000	USD
CY2019	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	4300000	USD
CY2021Q1	us-gaap	Deferred Tax Liability Not Recognized Amount Of Unrecognized Deferred Tax Liability Undistributed Earnings Of Foreign Subsidiaries DeferredTaxLiabilityNotRecognizedAmountOfUnrecognizedDeferredTaxLiabilityUndistributedEarningsOfForeignSubsidiaries	1400000	USD
CY2021	us-gaap	Valuation Allowance Deferred Tax Asset Change In Amount ValuationAllowanceDeferredTaxAssetChangeInAmount	6800000	USD
CY2018	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	5200000	USD
CY2019Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	24500000	USD
CY2018Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	25000000.0	USD
CY2017Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	26000000.0	USD
CY2021	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	5100000	USD
CY2019	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	4200000	USD
CY2018	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	2300000	USD
CY2021	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	9400000	USD
CY2019	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	4300000	USD
CY2018	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	2100000	USD
CY2021	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	1900000	USD
CY2019	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	4600000	USD
CY2018	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	100000	USD
CY2021	us-gaap	Unrecognized Tax Benefits Increases Resulting From Foreign Currency Translation UnrecognizedTaxBenefitsIncreasesResultingFromForeignCurrencyTranslation	100000	USD
CY2019	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Foreign Currency Translation UnrecognizedTaxBenefitsDecreasesResultingFromForeignCurrencyTranslation	100000	USD
CY2018	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Foreign Currency Translation UnrecognizedTaxBenefitsDecreasesResultingFromForeignCurrencyTranslation	100000	USD
CY2021Q1	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	32300000	USD
CY2019Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	24500000	USD
CY2018Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	25000000.0	USD
CY2021Q1	us-gaap	Significant Change In Unrecognized Tax Benefits Is Reasonably Possible Amount Of Unrecorded Benefit SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleAmountOfUnrecordedBenefit	2800000	USD
CY2021	us-gaap	Unrecognized Tax Benefits Interest On Income Taxes Expense UnrecognizedTaxBenefitsInterestOnIncomeTaxesExpense	100000	USD
CY2019	us-gaap	Unrecognized Tax Benefits Interest On Income Taxes Expense UnrecognizedTaxBenefitsInterestOnIncomeTaxesExpense	-300000	USD
CY2018	us-gaap	Unrecognized Tax Benefits Interest On Income Taxes Expense UnrecognizedTaxBenefitsInterestOnIncomeTaxesExpense	300000	USD
CY2021Q1	us-gaap	Unrecognized Tax Benefits Interest On Income Taxes Accrued UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued	1200000	USD
CY2019Q4	us-gaap	Unrecognized Tax Benefits Interest On Income Taxes Accrued UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued	1100000	USD
CY2018Q4	us-gaap	Unrecognized Tax Benefits Interest On Income Taxes Accrued UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued	1700000	USD
CY2020Q1	tdy	Defined Benefit Plan Amortization Of Actuarial Gains And Loses Period DefinedBenefitPlanAmortizationOfActuarialGainsAndLosesPeriod	P9Y
CY2021Q1	us-gaap	Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Net Of Tax AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax	-347800000	USD
CY2019Q4	us-gaap	Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Net Of Tax AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax	-323100000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	110500000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	102500000	USD
CY2021	us-gaap	Restructuring Charges RestructuringCharges	20800000	USD
CY2019	us-gaap	Restructuring Charges RestructuringCharges	3200000	USD
CY2021	tdy	Defined Benefit Plan Transfers Between All Three Levels DefinedBenefitPlanTransfersBetweenAllThreeLevels	0	USD
CY2019	tdy	Defined Benefit Plan Transfers Between All Three Levels DefinedBenefitPlanTransfersBetweenAllThreeLevels	0	USD
CY2021	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	13800000	USD
CY2019	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	13400000	USD
CY2018	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	11900000	USD
CY2021Q1	us-gaap	Defined Benefit Plan Health Care Cost Trend Rate Assumed Next Fiscal Year DefinedBenefitPlanHealthCareCostTrendRateAssumedNextFiscalYear	0.0625
CY2021Q1	us-gaap	Defined Benefit Plan Ultimate Health Care Cost Trend Rate1 DefinedBenefitPlanUltimateHealthCareCostTrendRate1	0.050
CY2021	us-gaap	Defined Benefit Plan Effect Of One Percentage Point Increase On Service And Interest Cost Components DefinedBenefitPlanEffectOfOnePercentagePointIncreaseOnServiceAndInterestCostComponents	100000	USD
CY2021	us-gaap	Defined Benefit Plan Effect Of One Percentage Point Increase On Accumulated Postretirement Benefit Obligation DefinedBenefitPlanEffectOfOnePercentagePointIncreaseOnAccumulatedPostretirementBenefitObligation	200000	USD
CY2021	us-gaap	Defined Benefit Plan Effect Of One Percentage Point Decrease On Service And Interest Cost Components1 DefinedBenefitPlanEffectOfOnePercentagePointDecreaseOnServiceAndInterestCostComponents1	100000	USD
CY2021	us-gaap	Defined Benefit Plan Effect Of One Percentage Point Decrease On Accumulated Postretirement Benefit Obligation1 DefinedBenefitPlanEffectOfOnePercentagePointDecreaseOnAccumulatedPostretirementBenefitObligation1	200000	USD
CY2021	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	4	segment
CY2021	us-gaap	Restructuring And Related Cost Number Of Positions Eliminated Period Percent RestructuringAndRelatedCostNumberOfPositionsEliminatedPeriodPercent	0.098
CY2021Q1	us-gaap	Restructuring Reserve RestructuringReserve	2100000	USD
CY2018	us-gaap	Restructuring Charges RestructuringCharges	7800000	USD
CY2021	us-gaap	Operating Income Loss OperatingIncomeLoss	480100000	USD
CY2019	us-gaap	Operating Income Loss OperatingIncomeLoss	491700000	USD
CY2018	us-gaap	Operating Income Loss OperatingIncomeLoss	416600000	USD
CY2021	us-gaap	Depreciation And Amortization DepreciationAndAmortization	116200000	USD
CY2019	us-gaap	Depreciation And Amortization DepreciationAndAmortization	111900000	USD
CY2018	us-gaap	Depreciation And Amortization DepreciationAndAmortization	113000000.0	USD
CY2021	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	71400000	USD
CY2019	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	88400000	USD
CY2018	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	86800000	USD
CY2021Q1	tdy	Segment Reporting Information Identifiable Assets SegmentReportingInformationIdentifiableAssets	5084800000	USD
CY2019Q4	tdy	Segment Reporting Information Identifiable Assets SegmentReportingInformationIdentifiableAssets	4579800000	USD
CY2018Q4	tdy	Segment Reporting Information Identifiable Assets SegmentReportingInformationIdentifiableAssets	3809300000	USD
CY2021	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	3086200000	USD
CY2019	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	3163600000	USD
CY2018	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	2901800000	USD
CY2021Q1	us-gaap	Noncurrent Assets NoncurrentAssets	3326200000	USD
CY2019Q4	us-gaap	Noncurrent Assets NoncurrentAssets	3249300000	USD
CY2018Q4	us-gaap	Noncurrent Assets NoncurrentAssets	2682300000	USD
CY2021	us-gaap	Revenue From Related Parties RevenueFromRelatedParties	23400000	USD
CY2019	us-gaap	Revenue From Related Parties RevenueFromRelatedParties	30300000	USD
CY2018	us-gaap	Revenue From Related Parties RevenueFromRelatedParties	23400000	USD
CY2021	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	3086200000	USD
CY2019	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	3163600000	USD
CY2018	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	2901800000	USD
CY2021	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	3086200000	USD
CY2019	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	3163600000	USD
CY2018	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	2901800000	USD
CY2021	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	3086200000	USD
CY2019	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	3163600000	USD
CY2018	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	2901800000	USD
CY2021Q1	tdy	Lessee Operating Lease Number Of Agreements LesseeOperatingLeaseNumberOfAgreements	115	lease
CY2021Q1	tdy	Lessee Operating Lease Number Of Renewals LesseeOperatingLeaseNumberOfRenewals	1	lease_renewal_option
CY2021Q1	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	123400000	USD
CY2021Q1	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	23800000	USD
CY2021Q1	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	22400000	USD
CY2021Q1	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	19200000	USD
CY2021Q1	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	17000000.0	USD
CY2021Q1	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	15500000	USD
CY2021Q1	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	66000000.0	USD
CY2021Q1	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	163900000	USD
CY2021Q1	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	26200000	USD
CY2021Q1	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	21200000	USD
CY2021Q1	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	116500000	USD
CY2021Q1	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P9Y
CY2021Q1	us-gaap	Lessee Operating Lease Discount Rate LesseeOperatingLeaseDiscountRate	0.0400
CY2021	us-gaap	Operating Lease Cost OperatingLeaseCost	29400000	USD
CY2019	us-gaap	Operating Lease Cost OperatingLeaseCost	26500000	USD
CY2018	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	30700000	USD
CY2021	us-gaap	Operating Lease Payments OperatingLeasePayments	27800000	USD
CY2019	us-gaap	Operating Lease Payments OperatingLeasePayments	24700000	USD
CY2021Q1	us-gaap	Accrual For Environmental Loss Contingencies AccrualForEnvironmentalLossContingencies	6500000	USD
CY2021Q1	us-gaap	Accrued Environmental Loss Contingencies Current AccruedEnvironmentalLossContingenciesCurrent	1500000	USD
CY2020Q1	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	784600000	USD
CY2020Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	743300000	USD
CY2020Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	749000000.0	USD
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	809300000	USD
CY2020Q1	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	492600000	USD
CY2020Q2	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	460600000	USD
CY2020Q3	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	458500000	USD
	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	493600000	USD
CY2020Q1	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	188000000.0	USD
CY2020Q2	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	172900000	USD
CY2020Q3	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	168000000.0	USD
	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	171900000	USD
CY2020Q1	us-gaap	Costs And Expenses CostsAndExpenses	680600000	USD
CY2020Q2	us-gaap	Costs And Expenses CostsAndExpenses	633500000	USD
CY2020Q3	us-gaap	Costs And Expenses CostsAndExpenses	626500000	USD
	us-gaap	Costs And Expenses CostsAndExpenses	665500000	USD
CY2020Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	104000000.0	USD
CY2020Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	109800000	USD
CY2020Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	122500000	USD
	us-gaap	Operating Income Loss OperatingIncomeLoss	143800000	USD
CY2020Q1	us-gaap	Interest And Debt Expense InterestAndDebtExpense	4100000	USD
CY2020Q2	us-gaap	Interest And Debt Expense InterestAndDebtExpense	3700000	USD
CY2020Q3	us-gaap	Interest And Debt Expense InterestAndDebtExpense	4100000	USD
	us-gaap	Interest And Debt Expense InterestAndDebtExpense	3400000	USD
CY2020Q1	us-gaap	Net Periodic Defined Benefits Expense Reversal Of Expense Excluding Service Cost Component NetPeriodicDefinedBenefitsExpenseReversalOfExpenseExcludingServiceCostComponent	-2500000	USD
CY2020Q2	us-gaap	Net Periodic Defined Benefits Expense Reversal Of Expense Excluding Service Cost Component NetPeriodicDefinedBenefitsExpenseReversalOfExpenseExcludingServiceCostComponent	-3200000	USD
CY2020Q3	us-gaap	Net Periodic Defined Benefits Expense Reversal Of Expense Excluding Service Cost Component NetPeriodicDefinedBenefitsExpenseReversalOfExpenseExcludingServiceCostComponent	-3200000	USD
	us-gaap	Net Periodic Defined Benefits Expense Reversal Of Expense Excluding Service Cost Component NetPeriodicDefinedBenefitsExpenseReversalOfExpenseExcludingServiceCostComponent	-3200000	USD
CY2020Q1	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-1400000	USD
CY2020Q2	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-1400000	USD
CY2020Q3	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-1900000	USD
	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-2500000	USD
CY2020Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	101000000.0	USD
CY2020Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	107900000	USD
CY2020Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	119700000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	141100000	USD
CY2020Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	18800000	USD
CY2020Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	14200000	USD
CY2020Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	25800000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	9000000.0	USD
CY2020Q1	us-gaap	Net Income Loss NetIncomeLoss	82200000	USD
CY2020Q2	us-gaap	Net Income Loss NetIncomeLoss	93700000	USD
CY2020Q3	us-gaap	Net Income Loss NetIncomeLoss	93900000	USD
	us-gaap	Net Income Loss NetIncomeLoss	132100000	USD
CY2020Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.25
CY2020Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.55
CY2020Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.55
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.58
CY2020Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.17
CY2020Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.48
CY2020Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.48
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.48
CY2020Q1	tdy	Net Discrete Income Tax Expense Benefit NetDiscreteIncomeTaxExpenseBenefit	-4200000	USD
CY2020Q2	tdy	Net Discrete Income Tax Expense Benefit NetDiscreteIncomeTaxExpenseBenefit	-10400000	USD
CY2020Q3	tdy	Net Discrete Income Tax Expense Benefit NetDiscreteIncomeTaxExpenseBenefit	-1200000	USD
	tdy	Net Discrete Income Tax Expense Benefit NetDiscreteIncomeTaxExpenseBenefit	-18800000	USD
CY2020Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	104000000.0	USD
CY2020Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	109800000	USD
CY2020Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	122500000	USD
	us-gaap	Operating Income Loss OperatingIncomeLoss	143800000	USD
CY2019Q1	us-gaap	Interest And Debt Expense InterestAndDebtExpense	5400000	USD
CY2019Q4	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	505100000	USD
CY2019Q1	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	184000000.0	USD
CY2019Q2	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	186500000	USD
CY2019Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	802200000	USD
CY2019Q4	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	834200000	USD
CY2019Q1	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	463900000	USD
CY2019Q2	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	463600000	USD
CY2019Q3	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	487700000	USD
CY2019Q3	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	185800000	USD
CY2019Q4	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	195300000	USD
CY2019Q1	us-gaap	Costs And Expenses CostsAndExpenses	647900000	USD
CY2019Q2	us-gaap	Costs And Expenses CostsAndExpenses	650100000	USD
CY2019Q3	us-gaap	Costs And Expenses CostsAndExpenses	673500000	USD
CY2019Q4	us-gaap	Costs And Expenses CostsAndExpenses	700400000	USD
CY2019Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	97300000	USD
CY2019Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	131900000	USD
CY2019Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	128700000	USD
CY2019Q4	us-gaap	Net Periodic Defined Benefits Expense Reversal Of Expense Excluding Service Cost Component NetPeriodicDefinedBenefitsExpenseReversalOfExpenseExcludingServiceCostComponent	-1900000	USD
CY2019Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	128700000	USD
CY2019Q4	us-gaap	Operating Income Loss OperatingIncomeLoss	133800000	USD
CY2019Q2	us-gaap	Interest And Debt Expense InterestAndDebtExpense	5400000	USD
CY2019Q3	us-gaap	Interest And Debt Expense InterestAndDebtExpense	5500000	USD
CY2019Q4	us-gaap	Interest And Debt Expense InterestAndDebtExpense	4700000	USD
CY2019Q1	us-gaap	Net Periodic Defined Benefits Expense Reversal Of Expense Excluding Service Cost Component NetPeriodicDefinedBenefitsExpenseReversalOfExpenseExcludingServiceCostComponent	-2200000	USD
CY2019Q2	us-gaap	Net Periodic Defined Benefits Expense Reversal Of Expense Excluding Service Cost Component NetPeriodicDefinedBenefitsExpenseReversalOfExpenseExcludingServiceCostComponent	-2000000.0	USD
CY2019Q3	us-gaap	Net Periodic Defined Benefits Expense Reversal Of Expense Excluding Service Cost Component NetPeriodicDefinedBenefitsExpenseReversalOfExpenseExcludingServiceCostComponent	-1900000	USD
CY2019Q1	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-1200000	USD
CY2019Q2	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-600000	USD
CY2019Q3	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-1700000	USD
CY2019Q4	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-1500000	USD
CY2019Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	92900000	USD
CY2019Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	127900000	USD
CY2019Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	123400000	USD
CY2019Q4	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	129500000	USD
CY2019Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	17600000	USD
CY2019Q3	us-gaap	Net Income Loss NetIncomeLoss	106700000	USD
CY2019Q4	us-gaap	Net Income Loss NetIncomeLoss	115700000	USD
CY2019Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.09
CY2019Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	23300000	USD
CY2019Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	16700000	USD
CY2019Q4	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	13800000	USD
CY2019Q4	us-gaap	Operating Income Loss OperatingIncomeLoss	133800000	USD
CY2019Q1	us-gaap	Net Income Loss NetIncomeLoss	75300000	USD
CY2019Q2	us-gaap	Net Income Loss NetIncomeLoss	104600000	USD
CY2019Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.89
CY2019Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.93
CY2019Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.17
CY2019Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.02
CY2019Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.80
CY2019Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.84
CY2019Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.06
CY2019Q1	tdy	Net Discrete Income Tax Expense Benefit NetDiscreteIncomeTaxExpenseBenefit	-3100000	USD
CY2019Q2	tdy	Net Discrete Income Tax Expense Benefit NetDiscreteIncomeTaxExpenseBenefit	-4300000	USD
CY2019Q3	tdy	Net Discrete Income Tax Expense Benefit NetDiscreteIncomeTaxExpenseBenefit	-10400000	USD
CY2019Q4	tdy	Net Discrete Income Tax Expense Benefit NetDiscreteIncomeTaxExpenseBenefit	-8300000	USD
CY2019Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	97300000	USD
CY2019Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	131900000	USD

Files In Submission

Name	View Source	Status
0001094285-21-000066-index-headers.html	Edgar Link	pending
0001094285-21-000066-index.html	Edgar Link	pending
0001094285-21-000066.txt	Edgar Link	pending
0001094285-21-000066-xbrl.zip	Edgar Link	pending
deloittea021a.jpg	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
MetaLinks.json	Edgar Link	pending
R1.htm	Edgar Link	pending
R10.htm	Edgar Link	pending
R11.htm	Edgar Link	pending
R12.htm	Edgar Link	pending
R13.htm	Edgar Link	pending
R14.htm	Edgar Link	pending
R15.htm	Edgar Link	pending
R16.htm	Edgar Link	pending
R17.htm	Edgar Link	pending
R18.htm	Edgar Link	pending
R19.htm	Edgar Link	pending
R2.htm	Edgar Link	pending
R20.htm	Edgar Link	pending
R21.htm	Edgar Link	pending
R22.htm	Edgar Link	pending
R23.htm	Edgar Link	pending
R24.htm	Edgar Link	pending
R25.htm	Edgar Link	pending
R26.htm	Edgar Link	pending
R27.htm	Edgar Link	pending
R28.htm	Edgar Link	pending
R29.htm	Edgar Link	pending
R3.htm	Edgar Link	pending
R30.htm	Edgar Link	pending
R31.htm	Edgar Link	pending
R32.htm	Edgar Link	pending
R33.htm	Edgar Link	pending
R34.htm	Edgar Link	pending
R35.htm	Edgar Link	pending
R36.htm	Edgar Link	pending
R37.htm	Edgar Link	pending
R38.htm	Edgar Link	pending
R39.htm	Edgar Link	pending
R4.htm	Edgar Link	pending
R40.htm	Edgar Link	pending
R41.htm	Edgar Link	pending
R42.htm	Edgar Link	pending
R43.htm	Edgar Link	pending
R44.htm	Edgar Link	pending
R45.htm	Edgar Link	pending
R46.htm	Edgar Link	pending
R47.htm	Edgar Link	pending
R48.htm	Edgar Link	pending
R49.htm	Edgar Link	pending
R5.htm	Edgar Link	pending
R50.htm	Edgar Link	pending
R51.htm	Edgar Link	pending
R52.htm	Edgar Link	pending
R53.htm	Edgar Link	pending
R54.htm	Edgar Link	pending
R55.htm	Edgar Link	pending
R56.htm	Edgar Link	pending
R57.htm	Edgar Link	pending
R58.htm	Edgar Link	pending
R59.htm	Edgar Link	pending
R6.htm	Edgar Link	pending
R60.htm	Edgar Link	pending
R61.htm	Edgar Link	pending
R62.htm	Edgar Link	pending
R63.htm	Edgar Link	pending
R64.htm	Edgar Link	pending
R65.htm	Edgar Link	pending
R66.htm	Edgar Link	pending
R67.htm	Edgar Link	pending
R68.htm	Edgar Link	pending
R69.htm	Edgar Link	pending
R7.htm	Edgar Link	pending
R70.htm	Edgar Link	pending
R71.htm	Edgar Link	pending
R72.htm	Edgar Link	pending
R73.htm	Edgar Link	pending
R74.htm	Edgar Link	pending
R75.htm	Edgar Link	pending
R76.htm	Edgar Link	pending
R77.htm	Edgar Link	pending
R78.htm	Edgar Link	pending
R79.htm	Edgar Link	pending
R8.htm	Edgar Link	pending
R80.htm	Edgar Link	pending
R81.htm	Edgar Link	pending
R82.htm	Edgar Link	pending
R83.htm	Edgar Link	pending
R84.htm	Edgar Link	pending
R85.htm	Edgar Link	pending
R86.htm	Edgar Link	pending
R87.htm	Edgar Link	pending
R88.htm	Edgar Link	pending
R89.htm	Edgar Link	pending
R9.htm	Edgar Link	pending
R90.htm	Edgar Link	pending
R91.htm	Edgar Link	pending
R92.htm	Edgar Link	pending
R93.htm	Edgar Link	pending
R94.htm	Edgar Link	pending
R95.htm	Edgar Link	pending
R96.htm	Edgar Link	pending
R97.htm	Edgar Link	pending
R98.htm	Edgar Link	pending
R99.htm	Edgar Link	pending
R9999.htm	Edgar Link	pending
report.css	Edgar Link	pending
Show.js	Edgar Link	pending
tdy-20210103.htm	Edgar Link	pending
tdy-20210103.xsd	Edgar Link	pending
tdy-20210103_cal.xml	Edgar Link	unprocessable
tdy-20210103_def.xml	Edgar Link	unprocessable
tdy-20210103_htm.xml	Edgar Link	completed
tdy-20210103_lab.xml	Edgar Link	unprocessable
tdy-20210103_pre.xml	Edgar Link	unprocessable
tdy-ex1024pichelliemployme.htm	Edgar Link	pending
tdy-ex21subsidiariesoftele.htm	Edgar Link	pending
tdy-ex231consentofdeloitte.htm	Edgar Link	pending
tdy-ex241powerofattorney20.htm	Edgar Link	pending
tdy-ex311_20210103xq4.htm	Edgar Link	pending
tdy-ex312_20210103xq4.htm	Edgar Link	pending
tdy-ex321_20210103xq4.htm	Edgar Link	pending
tdy-ex322_20210103xq4.htm	Edgar Link	pending

Create your account

Find Stocks Worth Researching

Deeply Understand Businesses

Value Businesses Intelligently

$TDY
TELEDYNE TECHNOLOGIES INC Stock $tdy

2021 Q1 Form 10-K Financial Statement

#000109428521000066 Filed on February 26, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$TDY TELEDYNE TECHNOLOGIES INC Stock $tdy

2021 Q1 Form 10-K Financial Statement

#000109428521000066 Filed on February 26, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$TDY
TELEDYNE TECHNOLOGIES INC Stock $tdy