$ATRO
ASTRONICS CORP Stock $atro

$atro Overview Financials Valuation SEC Filings Company Website

2021 Q4 Form 10-K Financial Statement

#000000806322000011 Filed on March 04, 2022

Income Statement

Concept	2021 Q4	2021	2020 Q4
Revenue	$116.1M	$444.9M	$114.8M
YoY Change	1.09%	-11.48%	-42.14%
Cost Of Revenue	$94.61M	$379.5M	$95.70M
YoY Change	-1.14%	-6.46%	-44.2%
Gross Profit	$18.46M	$65.36M	$19.10M
YoY Change	-3.33%	-32.51%	-29.02%
Gross Profit Margin	15.91%	14.69%	16.64%
Selling, General & Admin	$21.73M	$99.05M	$24.80M
YoY Change	-12.38%	-10.38%	-52.94%
% of Gross Profit	117.68%	151.54%	129.84%
Research & Development	$21.80M	$85.30M
YoY Change		-1.73%
% of Gross Profit	118.07%	130.5%
Depreciation & Amortization	$7.071M	$29.01M	$7.750M
YoY Change	-8.76%	-8.94%	-12.63%
% of Gross Profit	38.3%	44.38%	40.58%
Operating Expenses	$43.53M	$184.4M	$24.80M
YoY Change	75.52%	-6.58%	-52.94%
Operating Profit	-$4.498M	-$28.67M	-$5.700M
YoY Change	-21.09%	-71.53%	-77.9%
Interest Expense	-$1.795M	-$6.804M	-$1.700M
YoY Change	5.59%	1.55%	6.25%
% of Operating Profit
Other Income/Expense, Net	-$546.0K	-$2.159M	-$400.0K
YoY Change	36.5%	-56.82%	-91.84%
Pretax Income	-$151.0K	-$26.96M	-$7.500M
YoY Change	-97.99%	-76.02%	-82.67%
Income Tax	$335.0K	-$1.382M	$12.40M
% Of Pretax Income
Net Earnings	$1.604M	-$25.58M	-$20.00M
YoY Change	-108.02%	-77.91%	-41.29%
Net Earnings / Revenue	1.38%	-5.75%	-17.42%
Basic Earnings Per Share	$0.05	-$0.82
Diluted Earnings Per Share	$0.05	-$0.82	-$649.4K
COMMON SHARES
Basic Shares Outstanding	30.95M shares	31.06M shares
Diluted Shares Outstanding	30.95M shares	31.06M shares

Balance Sheet

Concept	2021 Q4	2021	2020 Q4
SHORT-TERM ASSETS
Cash & Short-Term Investments	$29.09M	$29.76M	$40.40M
YoY Change	-27.99%	-26.34%	26.65%
Cash & Equivalents	$29.76M	$29.76M	$40.41M
Short-Term Investments
Other Short-Term Assets	$37.89M	$45.09M	$26.40M
YoY Change	43.54%	70.79%	51.72%
Inventory	$157.6M	$157.6M	$157.1M
Prepaid Expenses
Receivables	$107.4M	$107.4M	$93.06M
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$339.9M	$339.9M	$316.9M
YoY Change	7.23%	7.25%	-7.62%
LONG-TERM ASSETS
Property, Plant & Equipment	$95.24M	$111.5M	$106.7M
YoY Change	-10.73%	-12.29%	-5.17%
Goodwill	$58.28M		$58.28M
YoY Change	0.0%		-59.8%
Intangibles	$94.32M		$109.9M
YoY Change	-14.17%		-13.67%
Long-Term Investments
YoY Change
Other Assets	$5.270M	$5.199M	$8.999M
YoY Change	-41.44%	-31.59%	-71.22%
Total Long-Term Assets	$269.3M	$269.3M	$302.8M
YoY Change	-11.07%	-11.07%	-188.26%
TOTAL ASSETS
Total Short-Term Assets	$339.9M	$339.9M	$316.9M
Total Long-Term Assets	$269.3M	$269.3M	$302.8M
Total Assets	$609.1M	$609.1M	$619.7M
YoY Change	-1.71%	-1.7%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$34.86M	$34.86M	$26.45M
YoY Change	31.82%	32.05%	-26.22%
Accrued Expenses	$55.02M	$53.70M	$39.60M
YoY Change	38.93%	35.62%	-23.99%
Deferred Revenue	$27.36M		$24.57M
YoY Change	11.33%		-21.65%
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due	$0.00	$72.00K	$0.00
YoY Change		-96.57%	-100.0%
Total Short-Term Liabilities	$118.6M	$118.6M	$93.74M
YoY Change	26.54%	26.59%	-22.3%
LONG-TERM LIABILITIES
Long-Term Debt	$163.0M	$163.0M	$173.0M
YoY Change	-5.78%	-6.16%	-7.98%
Other Long-Term Liabilities	$58.90M	$69.50M	$30.66M
YoY Change	92.15%	-12.03%	-7.14%
Total Long-Term Liabilities	$221.9M	$232.5M	$203.7M
YoY Change	8.96%	-7.99%	-7.85%
TOTAL LIABILITIES
Total Short-Term Liabilities	$118.6M	$118.6M	$93.74M
Total Long-Term Liabilities	$221.9M	$232.5M	$203.7M
Total Liabilities	$352.5M	$352.5M	$349.4M
YoY Change	0.9%	0.9%	-11.29%
SHAREHOLDERS EQUITY
Retained Earnings	$287.2M		$312.8M
YoY Change	-8.18%		-27.01%
Common Stock	$92.39M		$82.53M
YoY Change	11.94%		7.63%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$108.5M		$108.5M
YoY Change	0.0%		7.67%
Treasury Stock Shares	3.808M shares		3.808M shares
Shareholders Equity	$256.6M	$256.6M	$270.4M
YoY Change
Total Liabilities & Shareholders Equity	$609.1M	$609.1M	$619.7M
YoY Change	-1.71%	-1.7%	-20.82%

Cashflow Statement

Concept	2021 Q4	2021	2020 Q4
OPERATING ACTIVITIES
Net Income	$1.604M	-$25.58M	-$20.00M
YoY Change	-108.02%	-77.91%	-41.29%
Depreciation, Depletion And Amortization	$7.071M	$29.01M	$7.750M
YoY Change	-8.76%	-8.94%	-12.63%
Cash From Operating Activities	-$16.16M	-$5.530M	$5.830M
YoY Change	-377.22%	-114.81%	-53.17%
INVESTING ACTIVITIES
Capital Expenditures	-$1.073M	-$6.034M	-$1.880M
YoY Change	-42.93%	-19.12%	-41.8%
Acquisitions		$0.00
YoY Change
Other Investing Activities	$30.00K	$0.00	$60.00K
YoY Change	-50.0%	-100.0%	-100.95%
Cash From Investing Activities	-$1.043M	$3.179M	-$1.820M
YoY Change	-42.69%	-154.84%	-80.9%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net		$0.00
YoY Change		-100.0%
Debt Paid & Issued, Net		$30.00M
YoY Change		-82.38%
Cash From Financing Activities	13.22M	-$7.505M	4.900M
YoY Change	169.84%	-69.46%	-14.93%
NET CHANGE
Cash From Operating Activities	-16.16M	-$5.530M	5.830M
Cash From Investing Activities	-1.043M	$3.179M	-1.820M
Cash From Financing Activities	13.22M	-$7.505M	4.900M
Net Change In Cash	-3.983M	-$10.66M	8.910M
YoY Change	-144.7%	-225.26%	2.65%
FREE CASH FLOW
Cash From Operating Activities	-$16.16M	-$5.530M	$5.830M
Capital Expenditures	-$1.073M	-$6.034M	-$1.880M
Free Cash Flow	-$15.09M	$504.0K	$7.710M
YoY Change	-295.71%	-98.87%	-50.83%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2021	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2021	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2021	dei	Amendment Flag AmendmentFlag	false
CY2021	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2021
CY2021	dei	Entity Central Index Key EntityCentralIndexKey	0000008063
CY2021Q4	us-gaap	Revenue Remaining Performance Obligation Expected Timing Of Satisfaction Period1 RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1	P12M
CY2020Q4	us-gaap	Finance Lease Right Of Use Asset Statement Of Financial Position Extensible List FinanceLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2021-01-31#OtherAssetsNoncurrent
CY2021Q4	us-gaap	Finance Lease Right Of Use Asset Statement Of Financial Position Extensible List FinanceLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2021-01-31#OtherAssetsNoncurrent
CY2020Q4	us-gaap	Finance Lease Liability Current Statement Of Financial Position Extensible List FinanceLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2021-01-31#OtherAccruedLiabilitiesCurrent
CY2021Q4	us-gaap	Finance Lease Liability Current Statement Of Financial Position Extensible List FinanceLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2021-01-31#OtherAccruedLiabilitiesCurrent
CY2021Q4	us-gaap	Finance Lease Liability Noncurrent Statement Of Financial Position Extensible List FinanceLeaseLiabilityNoncurrentStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2021-01-31#OtherLiabilitiesNoncurrent
CY2020Q4	us-gaap	Finance Lease Liability Noncurrent Statement Of Financial Position Extensible List FinanceLeaseLiabilityNoncurrentStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2021-01-31#OtherLiabilitiesNoncurrent
CY2021	dei	Document Type DocumentType	10-K
CY2021	dei	Document Annual Report DocumentAnnualReport	true
CY2021	dei	Document Transition Report DocumentTransitionReport	false
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-31
CY2021	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2021	dei	Entity File Number EntityFileNumber	0-7087
CY2021	dei	Entity Registrant Name EntityRegistrantName	Astronics Corporation
CY2021	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	NY
CY2021	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	16-0959303
CY2021	dei	Entity Address Address Line1 EntityAddressAddressLine1	130 Commerce Way
CY2021	dei	Entity Address City Or Town EntityAddressCityOrTown	East Aurora
CY2021	dei	Entity Address State Or Province EntityAddressStateOrProvince	NY
CY2021	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	14052
CY2021	dei	City Area Code CityAreaCode	716
CY2021	dei	Local Phone Number LocalPhoneNumber	805-1599
CY2021	dei	Security12b Title Security12bTitle	Common Stock, $.01 par value per share
CY2021	dei	Trading Symbol TradingSymbol	ATRO
CY2021	dei	Security Exchange Name SecurityExchangeName	NASDAQ
CY2021	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	No
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	Accelerated Filer
CY2021	dei	Entity Small Business EntitySmallBusiness	false
CY2021	dei	Icfr Auditor Attestation Flag IcfrAuditorAttestationFlag	true
CY2021	dei	Entity Shell Company EntityShellCompany	false
CY2021Q3	dei	Entity Public Float EntityPublicFloat	494000000	USD
CY2021	dei	Auditor Name AuditorName	Ernst & Young LLP
CY2021	dei	Auditor Location AuditorLocation	Buffalo, New York
CY2021	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	444908000	USD
CY2020	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	502587000	USD
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CY2021	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	379545000	USD
CY2020	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	405744000	USD
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CY2020	us-gaap	Gross Profit GrossProfit	96843000	USD
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CY2019	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	143358000	USD
CY2021	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	5014000	USD
CY2020	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	0	USD
CY2021	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	99051000	USD
CY2020	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	110528000	USD
CY2019	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	0	USD
CY2021	us-gaap	Asset Impairment Charges AssetImpairmentCharges	0	USD
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CY2020	us-gaap	Operating Income Loss OperatingIncomeLoss	-100701000	USD
CY2019	us-gaap	Operating Income Loss OperatingIncomeLoss	1701000	USD
CY2021	us-gaap	Gain Loss On Sale Of Business GainLossOnSaleOfBusiness	10677000	USD
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CY2021	us-gaap	Other Operating Income Expense Net OtherOperatingIncomeExpenseNet	-2159000	USD
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CY2021	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	-6804000	USD
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CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-26960000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-112410000	USD
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CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-1382000	USD
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	3371000	USD
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CY2021	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-939000	USD
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CY2021	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-2894000	USD
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CY2020	us-gaap	Net Income Loss NetIncomeLoss	-115781000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	52017000	USD
CY2021	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	29005000	USD
CY2020	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	31854000	USD
CY2019	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	33049000	USD
CY2021	atro	Provision For Non Cash Losses On Inventory And Receivables ProvisionForNonCashLossesOnInventoryAndReceivables	3942000	USD
CY2020	atro	Provision For Non Cash Losses On Inventory And Receivables ProvisionForNonCashLossesOnInventoryAndReceivables	6079000	USD
CY2019	atro	Provision For Non Cash Losses On Inventory And Receivables ProvisionForNonCashLossesOnInventoryAndReceivables	16947000	USD
CY2021	us-gaap	Share Based Compensation ShareBasedCompensation	6460000	USD
CY2020	us-gaap	Share Based Compensation ShareBasedCompensation	5184000	USD
CY2019	us-gaap	Share Based Compensation ShareBasedCompensation	3843000	USD
CY2021	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-441000	USD
CY2020	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	15553000	USD
CY2019	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-14385000	USD
CY2021	atro	Noncash Operating Lease Expense NoncashOperatingLeaseExpense	5198000	USD
CY2020	atro	Noncash Operating Lease Expense NoncashOperatingLeaseExpense	4500000	USD
CY2019	atro	Noncash Operating Lease Expense NoncashOperatingLeaseExpense	4208000	USD
CY2021	us-gaap	Gain Loss On Sale Of Other Assets GainLossOnSaleOfOtherAssets	5083000	USD
CY2020	us-gaap	Gain Loss On Sale Of Other Assets GainLossOnSaleOfOtherAssets	0	USD
CY2019	us-gaap	Gain Loss On Sale Of Other Assets GainLossOnSaleOfOtherAssets	0	USD
CY2021	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1	-2200000	USD
CY2020	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1	0	USD
CY2019	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1	0	USD
CY2021	us-gaap	Defined Contribution Plan Increase Decrease Cost DefinedContributionPlanIncreaseDecreaseCost	4199000	USD
CY2020	us-gaap	Defined Contribution Plan Increase Decrease Cost DefinedContributionPlanIncreaseDecreaseCost	0	USD
CY2019	us-gaap	Defined Contribution Plan Increase Decrease Cost DefinedContributionPlanIncreaseDecreaseCost	0	USD
CY2021	us-gaap	Gain Loss On Sale Of Business GainLossOnSaleOfBusiness	10677000	USD
CY2020	us-gaap	Gain Loss On Sale Of Business GainLossOnSaleOfBusiness	0	USD
CY2019	us-gaap	Gain Loss On Sale Of Business GainLossOnSaleOfBusiness	78801000	USD
CY2021	us-gaap	Asset Impairment Charges AssetImpairmentCharges	0	USD
CY2020	us-gaap	Asset Impairment Charges AssetImpairmentCharges	87016000	USD
CY2019	us-gaap	Asset Impairment Charges AssetImpairmentCharges	11083000	USD
CY2021	us-gaap	Gain Loss Related To Litigation Settlement GainLossRelatedToLitigationSettlement	-8374000	USD
CY2020	us-gaap	Gain Loss Related To Litigation Settlement GainLossRelatedToLitigationSettlement	0	USD
CY2019	us-gaap	Gain Loss Related To Litigation Settlement GainLossRelatedToLitigationSettlement	-19619000	USD
CY2021	us-gaap	Equity Securities Without Readily Determinable Fair Value Impairment Loss Annual Amount EquitySecuritiesWithoutReadilyDeterminableFairValueImpairmentLossAnnualAmount	0	USD
CY2020	us-gaap	Equity Securities Without Readily Determinable Fair Value Impairment Loss Annual Amount EquitySecuritiesWithoutReadilyDeterminableFairValueImpairmentLossAnnualAmount	3493000	USD
CY2019	us-gaap	Equity Securities Without Readily Determinable Fair Value Impairment Loss Annual Amount EquitySecuritiesWithoutReadilyDeterminableFairValueImpairmentLossAnnualAmount	5000000	USD
CY2021	us-gaap	Restructuring Costs RestructuringCosts	267000	USD
CY2020	us-gaap	Restructuring Costs RestructuringCosts	1173000	USD
CY2019	us-gaap	Restructuring Costs RestructuringCosts	6539000	USD
CY2021	atro	Deferred Income Tax Expense Benefit Federal Payroll Taxes DeferredIncomeTaxExpenseBenefitFederalPayrollTaxes	0	USD
CY2020	atro	Deferred Income Tax Expense Benefit Federal Payroll Taxes DeferredIncomeTaxExpenseBenefitFederalPayrollTaxes	5877000	USD
CY2019	atro	Deferred Income Tax Expense Benefit Federal Payroll Taxes DeferredIncomeTaxExpenseBenefitFederalPayrollTaxes	0	USD
CY2021	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-3912000	USD
CY2020	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-2157000	USD
CY2019	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-1610000	USD
CY2021	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	14832000	USD
CY2020	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-53928000	USD
CY2019	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-34083000	USD
CY2021	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	5150000	USD
CY2020	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	13614000	USD
CY2019	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	12711000	USD
CY2021	us-gaap	Increase Decrease In Prepaid Expense IncreaseDecreaseInPrepaidExpense	-20000	USD
CY2020	us-gaap	Increase Decrease In Prepaid Expense IncreaseDecreaseInPrepaidExpense	45000	USD
CY2019	us-gaap	Increase Decrease In Prepaid Expense IncreaseDecreaseInPrepaidExpense	1160000	USD
CY2021	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	8610000	USD
CY2020	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-9930000	USD
CY2019	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-16617000	USD
CY2021	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	-5037000	USD
CY2020	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	-17667000	USD
CY2019	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	-10737000	USD
CY2021	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	156000	USD
CY2020	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	-10440000	USD
CY2019	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	3371000	USD
CY2021	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	-235000	USD
CY2020	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	-7043000	USD
CY2019	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	-11919000	USD
CY2021	atro	Increase Decrease In Operating Lease Liabilities IncreaseDecreaseInOperatingLeaseLiabilities	-6036000	USD
CY2020	atro	Increase Decrease In Operating Lease Liabilities IncreaseDecreaseInOperatingLeaseLiabilities	-4556000	USD
CY2019	atro	Increase Decrease In Operating Lease Liabilities IncreaseDecreaseInOperatingLeaseLiabilities	-3840000	USD
CY2021	us-gaap	Increase Decrease In Employee Related Liabilities IncreaseDecreaseInEmployeeRelatedLiabilities	-404000	USD
CY2020	us-gaap	Increase Decrease In Employee Related Liabilities IncreaseDecreaseInEmployeeRelatedLiabilities	-403000	USD
CY2019	us-gaap	Increase Decrease In Employee Related Liabilities IncreaseDecreaseInEmployeeRelatedLiabilities	1490000	USD
CY2021	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-5530000	USD
CY2020	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	37335000	USD
CY2019	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	42689000	USD
CY2021	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	0	USD
CY2020	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	0	USD
CY2019	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	28907000	USD
CY2021	us-gaap	Proceeds From Divestiture Of Businesses ProceedsFromDivestitureOfBusinesses	9213000	USD
CY2020	us-gaap	Proceeds From Divestiture Of Businesses ProceedsFromDivestitureOfBusinesses	0	USD
CY2019	us-gaap	Proceeds From Divestiture Of Businesses ProceedsFromDivestitureOfBusinesses	106946000	USD
CY2021	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	6034000	USD
CY2020	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	7459000	USD
CY2019	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	12083000	USD
CY2021	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	0	USD
CY2020	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-1662000	USD
CY2019	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	1326000	USD
CY2021	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	3179000	USD
CY2020	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-5797000	USD
CY2019	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	64630000	USD
CY2021	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	20000000	USD
CY2020	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	155000000	USD
CY2019	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	117000000	USD
CY2021	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	30000000	USD
CY2020	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	170228000	USD
CY2019	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	156107000	USD
CY2021	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	0	USD
CY2020	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	7732000	USD
CY2019	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	50784000	USD
CY2021	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	0	USD
CY2020	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	360000	USD
CY2019	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	0	USD
CY2021	atro	Proceeds Of Stock Options Exercised Net Of Taxes Remitted ProceedsOfStockOptionsExercisedNetOfTaxesRemitted	3396000	USD
CY2020	atro	Proceeds Of Stock Options Exercised Net Of Taxes Remitted ProceedsOfStockOptionsExercisedNetOfTaxesRemitted	666000	USD
CY2019	atro	Proceeds Of Stock Options Exercised Net Of Taxes Remitted ProceedsOfStockOptionsExercisedNetOfTaxesRemitted	-545000	USD
CY2021	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	901000	USD
CY2020	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	1922000	USD
CY2019	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	1746000	USD
CY2021	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-7505000	USD
CY2020	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-24576000	USD
CY2019	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-92182000	USD
CY2021	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-799000	USD
CY2020	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1544000	USD
CY2019	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	147000	USD
CY2021	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-10655000	USD
CY2020	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	8506000	USD
CY2019	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	15284000	USD
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	40412000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	31906000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	16622000	USD
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	29757000	USD
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	40412000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	31906000	USD
CY2021	us-gaap	Interest Paid Net InterestPaidNet	5951000	USD
CY2020	us-gaap	Interest Paid Net InterestPaidNet	5829000	USD
CY2019	us-gaap	Interest Paid Net InterestPaidNet	5707000	USD
CY2021	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	-1250000	USD
CY2020	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	-1536000	USD
CY2019	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	27343000	USD
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	270371000	USD
CY2021Q4	us-gaap	Stockholders Equity StockholdersEquity	256604000	USD
CY2019Q4	us-gaap	Stockholders Equity StockholdersEquity	388857000	USD
CY2021	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	2	segment
CY2021	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	USD
CY2021	atro	Covid19 Related Government Assistance Amount COVID19RelatedGovernmentAssistanceAmount	10910000	USD
CY2020	atro	Covid19 Related Government Assistance Amount COVID19RelatedGovernmentAssistanceAmount	2661000	USD
CY2021	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	85300000	USD
CY2020	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	86800000	USD
CY2019	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	108900000	USD
CY2021	atro	Cash And Cash Equivalents Maturity Period CashAndCashEquivalentsMaturityPeriod	P3M
CY2021	us-gaap	Depreciation Depreciation	12700000	USD
CY2020	us-gaap	Depreciation Depreciation	13300000	USD
CY2019	us-gaap	Depreciation Depreciation	13700000	USD
CY2020	us-gaap	Operating Lease Impairment Loss OperatingLeaseImpairmentLoss	700000	USD
CY2019	us-gaap	Impairment Of Long Lived Assets To Be Disposed Of ImpairmentOfLongLivedAssetsToBeDisposedOf	9500000	USD
CY2021	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	USD
CY2020	us-gaap	Equity Securities Without Readily Determinable Fair Value Impairment Loss Annual Amount EquitySecuritiesWithoutReadilyDeterminableFairValueImpairmentLossAnnualAmount	3500000	USD
CY2019	us-gaap	Equity Securities Without Readily Determinable Fair Value Impairment Loss Annual Amount EquitySecuritiesWithoutReadilyDeterminableFairValueImpairmentLossAnnualAmount	5000000	USD
CY2021	atro	Cumulative Pretax Loss Position Period CumulativePretaxLossPositionPeriod	P3Y
CY2021	us-gaap	Use Of Estimates UseOfEstimates	<div style="margin-bottom:9pt;margin-top:9pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%">Use of Estimates</span></div><div style="margin-bottom:9pt;margin-top:9pt;text-align:justify"><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 (“U.S. GAAP”) requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, the disclosure of contingent liabilities and the reported amounts of sales and expenses during the reporting periods in the financial statements and accompanying notes. Actual results could differ from those estimates.</span></div>
CY2019	us-gaap	Dividends Cash DividendsCash	0	USD
CY2021	us-gaap	Dividends Cash DividendsCash	0	USD
CY2020	us-gaap	Dividends Cash DividendsCash	0	USD
CY2021	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	444908000	USD
CY2020	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	502587000	USD
CY2019	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	772702000	USD
CY2021	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	444908000	USD
CY2020	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	502587000	USD
CY2021Q4	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	415700000	USD
CY2021Q4	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	339900000	USD
CY2021	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	18200000	USD
CY2020	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	23500000	USD
CY2021Q1	us-gaap	Contract With Customer Asset Net ContractWithCustomerAssetNet	17697000	USD
CY2021Q1	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	28641000	USD
CY2021Q4	us-gaap	Contract With Customer Asset Net ContractWithCustomerAssetNet	25941000	USD
CY2021Q4	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	28495000	USD
CY2019	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	772702000	USD
CY2021Q4	us-gaap	Accounts Receivable Gross AccountsReceivableGross	84681000	USD
CY2020Q4	us-gaap	Accounts Receivable Gross AccountsReceivableGross	78577000	USD
CY2021Q4	us-gaap	Unbilled Contracts Receivable UnbilledContractsReceivable	25941000	USD
CY2020Q4	us-gaap	Unbilled Contracts Receivable UnbilledContractsReceivable	17697000	USD
CY2021Q4	us-gaap	Accounts Receivable Billed For Long Term Contracts Or Programs AccountsReceivableBilledForLongTermContractsOrPrograms	110622000	USD
CY2020Q4	us-gaap	Accounts Receivable Billed For Long Term Contracts Or Programs AccountsReceivableBilledForLongTermContractsOrPrograms	96274000	USD
CY2021Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	3183000	USD
CY2020Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	3218000	USD
CY2021Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	107439000	USD
CY2020Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	93056000	USD
CY2019Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	3559000	USD
CY2020	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	1913000	USD
CY2020	us-gaap	Allowance For Doubtful Accounts Receivable Write Offs AllowanceForDoubtfulAccountsReceivableWriteOffs	2254000	USD
CY2020Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	3218000	USD
CY2021	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	90000	USD
CY2021	us-gaap	Allowance For Doubtful Accounts Receivable Write Offs AllowanceForDoubtfulAccountsReceivableWriteOffs	125000	USD
CY2021Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	3183000	USD
CY2021Q4	us-gaap	Inventory Finished Goods Net Of Reserves InventoryFinishedGoodsNetOfReserves	28579000	USD
CY2020Q4	us-gaap	Inventory Finished Goods Net Of Reserves InventoryFinishedGoodsNetOfReserves	26964000	USD
CY2021Q4	us-gaap	Inventory Work In Process Net Of Reserves InventoryWorkInProcessNetOfReserves	22954000	USD
CY2020Q4	us-gaap	Inventory Work In Process Net Of Reserves InventoryWorkInProcessNetOfReserves	21987000	USD
CY2021Q4	us-gaap	Inventory Raw Materials Net Of Reserves InventoryRawMaterialsNetOfReserves	106043000	USD
CY2020Q4	us-gaap	Inventory Raw Materials Net Of Reserves InventoryRawMaterialsNetOfReserves	108108000	USD
CY2021Q4	us-gaap	Inventory Net InventoryNet	157576000	USD
CY2020Q4	us-gaap	Inventory Net InventoryNet	157059000	USD
CY2021Q4	us-gaap	Inventory Valuation Reserves InventoryValuationReserves	33800000	USD
CY2021Q4	atro	Inventory Valuation Reserves As Percentage Of Gross Inventory InventoryValuationReservesAsPercentageOfGrossInventory	0.177
CY2020Q4	us-gaap	Inventory Valuation Reserves InventoryValuationReserves	33400000	USD
CY2020Q4	atro	Inventory Valuation Reserves As Percentage Of Gross Inventory InventoryValuationReservesAsPercentageOfGrossInventory	0.175
CY2021Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	206838000	USD
CY2020Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	210671000	USD
CY2021Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	111602000	USD
CY2020Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	103993000	USD
CY2021Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	95236000	USD
CY2020Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	106678000	USD
CY2021	us-gaap	Finite Lived Intangible Asset Useful Life FiniteLivedIntangibleAssetUsefulLife	P12Y
CY2021Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	214883000	USD
CY2021Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	120563000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	215261000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	105375000	USD
CY2021	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	15400000	USD
CY2020	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	17100000	USD
CY2019	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	17600000	USD
CY2021Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	14911000	USD
CY2021Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	13878000	USD
CY2021Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	12856000	USD
CY2021Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	10935000	USD
CY2021Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	9533000	USD
CY2019Q4	us-gaap	Goodwill Goodwill	144970000	USD
CY2020	atro	Goodwill Acquired Divested During Period GoodwillAcquiredDivestedDuringPeriod	-298000	USD
CY2020	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	86312000	USD
CY2020	us-gaap	Goodwill Foreign Currency Translation Gain Loss GoodwillForeignCurrencyTranslationGainLoss	-78000	USD
CY2021	us-gaap	Goodwill Foreign Currency Translation Gain Loss GoodwillForeignCurrencyTranslationGainLoss	0	USD
CY2020Q4	us-gaap	Goodwill Goodwill	58282000	USD
CY2021Q4	us-gaap	Goodwill Goodwill	58282000	USD
CY2021Q4	us-gaap	Goodwill Gross GoodwillGross	178983000	USD
CY2021Q4	us-gaap	Goodwill Impaired Accumulated Impairment Loss GoodwillImpairedAccumulatedImpairmentLoss	120701000	USD
CY2021Q4	us-gaap	Goodwill Goodwill	58282000	USD
CY2021Q4	atro	Goodwill Impairment Number Of Reporting Units Tested For Impairment GoodwillImpairmentNumberOfReportingUnitsTestedForImpairment	4	reportingUnit
CY2021Q4	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	USD
CY2021Q4	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	USD
CY2020Q1	us-gaap	Number Of Reporting Units NumberOfReportingUnits	8	reportingUnit
CY2020Q1	atro	Number Of Reporting Units Impaired NumberOfReportingUnitsImpaired	4	reportingUnit
CY2020Q1	us-gaap	Number Of Reporting Units NumberOfReportingUnits	8	reportingUnit
CY2021	atro	Number Of Reporting Units Impaired NumberOfReportingUnitsImpaired	4	reportingUnit
CY2020	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	86300000	USD
CY2019	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	1600000	USD
CY2020Q4	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	7018000	USD
CY2019Q4	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	7660000	USD
CY2018Q4	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	5027000	USD
CY2021	atro	Standard And Extended Product Warranty Accrual Additions Reduction From Business Acquisition Divestiture StandardAndExtendedProductWarrantyAccrualAdditionsReductionFromBusinessAcquisitionDivestiture	0	USD
CY2020	atro	Standard And Extended Product Warranty Accrual Additions Reduction From Business Acquisition Divestiture StandardAndExtendedProductWarrantyAccrualAdditionsReductionFromBusinessAcquisitionDivestiture	0	USD
CY2019	atro	Standard And Extended Product Warranty Accrual Additions Reduction From Business Acquisition Divestiture StandardAndExtendedProductWarrantyAccrualAdditionsReductionFromBusinessAcquisitionDivestiture	80000	USD
CY2021	us-gaap	Product Warranty Accrual Warranties Issued ProductWarrantyAccrualWarrantiesIssued	6083000	USD
CY2020	us-gaap	Product Warranty Accrual Warranties Issued ProductWarrantyAccrualWarrantiesIssued	1725000	USD
CY2019	us-gaap	Product Warranty Accrual Warranties Issued ProductWarrantyAccrualWarrantiesIssued	3781000	USD
CY2021	us-gaap	Product Warranty Accrual Preexisting Increase Decrease ProductWarrantyAccrualPreexistingIncreaseDecrease	-1474000	USD
CY2020	us-gaap	Product Warranty Accrual Preexisting Increase Decrease ProductWarrantyAccrualPreexistingIncreaseDecrease	-1029000	USD
CY2019	us-gaap	Product Warranty Accrual Preexisting Increase Decrease ProductWarrantyAccrualPreexistingIncreaseDecrease	1451000	USD
CY2021	us-gaap	Product Warranty Accrual Payments ProductWarrantyAccrualPayments	3444000	USD
CY2020	us-gaap	Product Warranty Accrual Payments ProductWarrantyAccrualPayments	1338000	USD
CY2019	us-gaap	Product Warranty Accrual Payments ProductWarrantyAccrualPayments	2519000	USD
CY2021Q4	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	8183000	USD
CY2020Q4	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	7018000	USD
CY2019Q4	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	7660000	USD
CY2021Q4	atro	Operating Lease Right Of Use Asset Gross OperatingLeaseRightOfUseAssetGross	30318000	USD
CY2020Q4	atro	Operating Lease Right Of Use Asset Gross OperatingLeaseRightOfUseAssetGross	28678000	USD
CY2021Q4	atro	Operating Lease Right Of Use Asset Accumulated Impairment OperatingLeaseRightOfUseAssetAccumulatedImpairment	1710000	USD
CY2020Q4	atro	Operating Lease Right Of Use Asset Accumulated Impairment OperatingLeaseRightOfUseAssetAccumulatedImpairment	1710000	USD
CY2021Q4	atro	Operating Lease Right Of Use Asset Accumulated Amortization OperatingLeaseRightOfUseAssetAccumulatedAmortization	12439000	USD
CY2020Q4	atro	Operating Lease Right Of Use Asset Accumulated Amortization OperatingLeaseRightOfUseAssetAccumulatedAmortization	8015000	USD
CY2021Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	16169000	USD
CY2020Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	18953000	USD
CY2021Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	6778000	USD
CY2020Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	4998000	USD
CY2021Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	12018000	USD
CY2021Q4	us-gaap	Finance Lease Right Of Use Asset Before Accumulated Amortization FinanceLeaseRightOfUseAssetBeforeAccumulatedAmortization	177000	USD
CY2020Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	16637000	USD
CY2021Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	18796000	USD
CY2020Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	21635000	USD
CY2020Q4	us-gaap	Finance Lease Right Of Use Asset Before Accumulated Amortization FinanceLeaseRightOfUseAssetBeforeAccumulatedAmortization	3484000	USD
CY2021Q4	us-gaap	Finance Lease Right Of Use Asset Accumulated Amortization FinanceLeaseRightOfUseAssetAccumulatedAmortization	106000	USD
CY2020Q4	us-gaap	Finance Lease Right Of Use Asset Accumulated Amortization FinanceLeaseRightOfUseAssetAccumulatedAmortization	2039000	USD
CY2021Q4	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	71000	USD
CY2020Q4	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	1445000	USD
CY2021Q4	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	72000	USD
CY2020Q4	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	2081000	USD
CY2021Q4	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	0	USD
CY2020Q4	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	734000	USD
CY2021Q4	us-gaap	Finance Lease Liability FinanceLeaseLiability	72000	USD
CY2020Q4	us-gaap	Finance Lease Liability FinanceLeaseLiability	2815000	USD
CY2021	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	573000	USD
CY2020	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	1020000	USD
CY2021	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	78000	USD
CY2020	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	214000	USD
CY2021	atro	Finance Lease Cost FinanceLeaseCost	651000	USD
CY2020	atro	Finance Lease Cost FinanceLeaseCost	1234000	USD
CY2021	us-gaap	Operating Lease Cost OperatingLeaseCost	5881000	USD
CY2020	us-gaap	Operating Lease Cost OperatingLeaseCost	5292000	USD
CY2021	us-gaap	Operating Lease Impairment Loss OperatingLeaseImpairmentLoss	0	USD
CY2020	us-gaap	Operating Lease Impairment Loss OperatingLeaseImpairmentLoss	691000	USD
CY2021	us-gaap	Variable Lease Cost VariableLeaseCost	1546000	USD
CY2020	us-gaap	Variable Lease Cost VariableLeaseCost	1358000	USD
CY2021	us-gaap	Short Term Lease Cost ShortTermLeaseCost	271000	USD
CY2020	us-gaap	Short Term Lease Cost ShortTermLeaseCost	175000	USD
CY2021	atro	Sublease Income Expense SubleaseIncomeExpense	1265000	USD
CY2020	atro	Sublease Income Expense SubleaseIncomeExpense	1437000	USD
CY2021	atro	Operating Lease Cost Net Of Sublease And Rental Income OperatingLeaseCostNetOfSubleaseAndRentalIncome	6433000	USD
CY2020	atro	Operating Lease Cost Net Of Sublease And Rental Income OperatingLeaseCostNetOfSubleaseAndRentalIncome	6079000	USD
CY2021	us-gaap	Lease Cost LeaseCost	7084000	USD
CY2020	us-gaap	Lease Cost LeaseCost	7313000	USD
CY2021	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	78000	USD
CY2020	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	214000	USD
CY2021	us-gaap	Operating Lease Payments OperatingLeasePayments	6711000	USD
CY2020	us-gaap	Operating Lease Payments OperatingLeasePayments	5334000	USD
CY2021	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	901000	USD
CY2020	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	1922000	USD
CY2021Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P5Y
CY2021Q4	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P1Y
CY2021Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.033
CY2021Q4	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.013
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	7296000	USD
CY2021Q4	us-gaap	Finance Lease Liability Payments Due Next Twelve Months FinanceLeaseLiabilityPaymentsDueNextTwelveMonths	72000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	3879000	USD
CY2021Q4	us-gaap	Finance Lease Liability Payments Due Year Two FinanceLeaseLiabilityPaymentsDueYearTwo	0	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	2886000	USD
CY2021Q4	us-gaap	Finance Lease Liability Payments Due Year Three FinanceLeaseLiabilityPaymentsDueYearThree	0	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	2808000	USD
CY2021Q4	us-gaap	Finance Lease Liability Payments Due Year Four FinanceLeaseLiabilityPaymentsDueYearFour	0	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	1210000	USD
CY2021Q4	us-gaap	Finance Lease Liability Payments Due Year Five FinanceLeaseLiabilityPaymentsDueYearFive	0	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	2151000	USD
CY2021Q4	us-gaap	Finance Lease Liability Payments Due After Year Five FinanceLeaseLiabilityPaymentsDueAfterYearFive	0	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	20230000	USD
CY2021Q4	us-gaap	Finance Lease Liability Payments Due FinanceLeaseLiabilityPaymentsDue	72000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	1434000	USD
CY2021Q4	us-gaap	Finance Lease Liability Undiscounted Excess Amount FinanceLeaseLiabilityUndiscountedExcessAmount	0	USD
CY2021Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	18796000	USD
CY2021Q4	us-gaap	Finance Lease Liability FinanceLeaseLiability	72000	USD
CY2021Q4	atro	Lessee Operating Lease Lease Not Yet Commenced Annual Lease Payments LesseeOperatingLeaseLeaseNotYetCommencedAnnualLeasePayments	1500000	USD
CY2021	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	-1713000	USD
CY2020	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	-8679000	USD
CY2019	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	23798000	USD
CY2021	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	-667000	USD
CY2020	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	-4539000	USD
CY2019	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	4471000	USD
CY2021	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	1439000	USD
CY2020	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	1036000	USD
CY2019	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	2402000	USD
CY2021	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	-941000	USD
CY2020	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	-12182000	USD
CY2019	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	30671000	USD
CY2021	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-237000	USD
CY2020	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	17044000	USD
CY2019	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-16250000	USD
CY2021	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-87000	USD
CY2020	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-92000	USD
CY2019	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	727000	USD
CY2021	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-117000	USD
CY2020	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-1399000	USD
CY2019	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	1138000	USD
CY2021	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-441000	USD
CY2020	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	15553000	USD
CY2019	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-14385000	USD
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-1382000	USD
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	3371000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	16286000	USD
CY2021	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
CY2020	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
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Share Based Compensation Cost EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost	0.021
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Share Based Compensation Cost EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost	0.003
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Share Based Compensation Cost EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost	0.005
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Deductions EffectiveIncomeTaxRateReconciliationDeductions	0
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Deductions EffectiveIncomeTaxRateReconciliationDeductions	0.102
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Deductions EffectiveIncomeTaxRateReconciliationDeductions	0
CY2021	atro	Effective Income Tax Rate Reconciliation Contingent Acquisition Costs Percent EffectiveIncomeTaxRateReconciliationContingentAcquisitionCostsPercent	0.017
CY2020	atro	Effective Income Tax Rate Reconciliation Contingent Acquisition Costs Percent EffectiveIncomeTaxRateReconciliationContingentAcquisitionCostsPercent	0
CY2019	atro	Effective Income Tax Rate Reconciliation Contingent Acquisition Costs Percent EffectiveIncomeTaxRateReconciliationContingentAcquisitionCostsPercent	0
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Other EffectiveIncomeTaxRateReconciliationTaxCreditsOther	-0.007
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Other EffectiveIncomeTaxRateReconciliationTaxCreditsOther	0
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Other EffectiveIncomeTaxRateReconciliationTaxCreditsOther	0.005
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	-0.027
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	-0.010
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	0.014
CY2021	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.022
CY2020	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.033
CY2019	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.060
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Research EffectiveIncomeTaxRateReconciliationTaxCreditsResearch	-0.128
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Research EffectiveIncomeTaxRateReconciliationTaxCreditsResearch	-0.022
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Research EffectiveIncomeTaxRateReconciliationTaxCreditsResearch	0.046
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	-0.298
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	-0.192
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	0.011
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Tax Cuts And Jobs Act Of2017 Percent EffectiveIncomeTaxRateReconciliationTaxCutsAndJobsActOf2017Percent	0
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Tax Cuts And Jobs Act Of2017 Percent EffectiveIncomeTaxRateReconciliationTaxCutsAndJobsActOf2017Percent	0
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Tax Cuts And Jobs Act Of2017 Percent EffectiveIncomeTaxRateReconciliationTaxCutsAndJobsActOf2017Percent	-0.012
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Repatriation Of Foreign Earnings EffectiveIncomeTaxRateReconciliationRepatriationOfForeignEarnings	-0.017
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Repatriation Of Foreign Earnings EffectiveIncomeTaxRateReconciliationRepatriationOfForeignEarnings	0
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Repatriation Of Foreign Earnings EffectiveIncomeTaxRateReconciliationRepatriationOfForeignEarnings	0
CY2021	atro	Effective Income Tax Rate Reconciliation Tax Rate Change On2020 Federal Net Operating Loss EffectiveIncomeTaxRateReconciliationTaxRateChangeOn2020FederalNetOperatingLoss	0.009
CY2020	atro	Effective Income Tax Rate Reconciliation Tax Rate Change On2020 Federal Net Operating Loss EffectiveIncomeTaxRateReconciliationTaxRateChangeOn2020FederalNetOperatingLoss	0.013
CY2019	atro	Effective Income Tax Rate Reconciliation Tax Rate Change On2020 Federal Net Operating Loss EffectiveIncomeTaxRateReconciliationTaxRateChangeOn2020FederalNetOperatingLoss	0
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.001
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.001
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.001
CY2021	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.051
CY2020	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	-0.030
CY2019	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.238
CY2021Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Reserves DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsReserves	17462000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Reserves DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsReserves	18189000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits	7564000	USD
CY2021Q4	atro	Deferred Tax Assets Interest Expense Limitation DeferredTaxAssetsInterestExpenseLimitation	891000	USD
CY2021Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits	7424000	USD
CY2020Q4	atro	Deferred Tax Assets Interest Expense Limitation DeferredTaxAssetsInterestExpenseLimitation	0	USD
CY2021Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards General Business DeferredTaxAssetsTaxCreditCarryforwardsGeneralBusiness	4674000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards General Business DeferredTaxAssetsTaxCreditCarryforwardsGeneralBusiness	866000	USD
CY2021Q4	atro	Deferred Tax Assets Customer Advanced Payments And Deferred Revenue DeferredTaxAssetsCustomerAdvancedPaymentsAndDeferredRevenue	1301000	USD
CY2020Q4	atro	Deferred Tax Assets Customer Advanced Payments And Deferred Revenue DeferredTaxAssetsCustomerAdvancedPaymentsAndDeferredRevenue	2216000	USD
CY2021Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards State And Local DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal	15617000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards State And Local DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal	11244000	USD
CY2021Q4	us-gaap	Deferred Tax Assets Goodwill And Intangible Assets DeferredTaxAssetsGoodwillAndIntangibleAssets	1082000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Goodwill And Intangible Assets DeferredTaxAssetsGoodwillAndIntangibleAssets	2069000	USD
CY2021Q4	atro	Deferred Tax Assets Revenue Recognition DeferredTaxAssetsRevenueRecognition	1817000	USD
CY2020Q4	atro	Deferred Tax Assets Revenue Recognition DeferredTaxAssetsRevenueRecognition	2311000	USD
CY2021Q4	atro	Deferred Tax Assets Lease Accounting DeferredTaxAssetsLeaseAccounting	4178000	USD
CY2020Q4	atro	Deferred Tax Assets Lease Accounting DeferredTaxAssetsLeaseAccounting	5545000	USD
CY2021Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	5540000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	2300000	USD
CY2021Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	59986000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	52304000	USD
CY2021Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	43519000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	37168000	USD
CY2021Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	16467000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	15136000	USD
CY2021Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	9393000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	10166000	USD
CY2021Q4	atro	Deferred Tax Liabilities Revenue Recognition DeferredTaxLiabilitiesRevenueRecognition	1030000	USD
CY2020Q4	atro	Deferred Tax Liabilities Revenue Recognition DeferredTaxLiabilitiesRevenueRecognition	928000	USD
CY2021Q4	atro	Deferred Tax Liabilities Lease Accounting DeferredTaxLiabilitiesLeaseAccounting	3539000	USD
CY2020Q4	atro	Deferred Tax Liabilities Lease Accounting DeferredTaxLiabilitiesLeaseAccounting	4506000	USD
CY2021Q4	atro	Deferred Tax Liabilities Contingent Earn Out Income Accrual DeferredTaxLiabilitiesContingentEarnOutIncomeAccrual	2603000	USD
CY2020Q4	atro	Deferred Tax Liabilities Contingent Earn Out Income Accrual DeferredTaxLiabilitiesContingentEarnOutIncomeAccrual	0	USD
CY2021Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	1050000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	1186000	USD
CY2021Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	17615000	USD
CY2020Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	16786000	USD
CY2021Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	1148000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	1650000	USD
CY2021Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	1148000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	1650000	USD
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CY2019Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	2565000	USD
CY2018Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	2197000	USD
CY2021	atro	Unrecognized Tax Benefits Increase Decrease Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreaseDecreaseResultingFromPriorPeriodTaxPositions	-478000	USD
CY2020	atro	Unrecognized Tax Benefits Increase Decrease Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreaseDecreaseResultingFromPriorPeriodTaxPositions	-775000	USD
CY2019	atro	Unrecognized Tax Benefits Increase Decrease Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreaseDecreaseResultingFromPriorPeriodTaxPositions	0	USD
CY2021	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	0	USD
CY2020	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	100000	USD
CY2019	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	368000	USD
CY2021Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	1412000	USD
CY2020Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	1890000	USD
CY2019Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	2565000	USD
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CY2021	atro	Pretax Income From Foreign Subsidiary PretaxIncomeFromForeignSubsidiary	-3300000	USD
CY2020	atro	Pretax Income From Foreign Subsidiary PretaxIncomeFromForeignSubsidiary	-7000000.0	USD
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CY2021Q4	us-gaap	Undistributed Earnings Of Foreign Subsidiaries UndistributedEarningsOfForeignSubsidiaries	3000000	USD
CY2021	us-gaap	Tax Cuts And Jobs Act Of2017 Change In Tax Rate Income Tax Expense Benefit TaxCutsAndJobsActOf2017ChangeInTaxRateIncomeTaxExpenseBenefit	0	USD
CY2020	us-gaap	Tax Cuts And Jobs Act Of2017 Change In Tax Rate Income Tax Expense Benefit TaxCutsAndJobsActOf2017ChangeInTaxRateIncomeTaxExpenseBenefit	-100000	USD
CY2019	us-gaap	Tax Cuts And Jobs Act Of2017 Change In Tax Rate Income Tax Expense Benefit TaxCutsAndJobsActOf2017ChangeInTaxRateIncomeTaxExpenseBenefit	-800000	USD
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CY2020	us-gaap	Other Tax Expense Benefit OtherTaxExpenseBenefit	-1500000	USD
CY2021	atro	Cumulative Pretax Loss Position Period CumulativePretaxLossPositionPeriod	P3Y
CY2021	atro	Number Of Non Qualified Supplemental Retirement Defined Benefit Plans NumberOfNonQualifiedSupplementalRetirementDefinedBenefitPlans	2	retirement_plan
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CY2020Q4	us-gaap	Defined Benefit Plan Accumulated Benefit Obligation DefinedBenefitPlanAccumulatedBenefitObligation	29400000	USD
CY2020Q4	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	0	USD
CY2021Q4	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	0	USD
CY2021Q4	us-gaap	Defined Benefit Plan Accumulated Other Comprehensive Income Net Prior Service Cost Credit Before Tax DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax	1400000	USD
CY2021Q4	us-gaap	Defined Benefit Plan Accumulated Other Comprehensive Income Net Prior Service Cost Credit After Tax DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditAfterTax	2000000	USD
CY2021Q4	atro	Defined Benefit Plan Accumulated Other Comprehensive Income Net Prior Service Cost Credit Tax DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditTax	600000	USD
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CY2021Q4	us-gaap	Defined Benefit Plan Accumulated Other Comprehensive Income Net Gains Losses After Tax DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesAfterTax	-8300000	USD
CY2021Q4	atro	Defined Benefit Plan Accumulated Other Comprehensive Income Net Gains Losses Tax DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesTax	1600000	USD
CY2020Q4	us-gaap	Defined Benefit Plan Funded Status Of Plan DefinedBenefitPlanFundedStatusOfPlan	300000	USD
CY2021Q4	us-gaap	Defined Benefit Plan Funded Status Of Plan DefinedBenefitPlanFundedStatusOfPlan	300000	USD
CY2021	atro	Percentage Of Funded Status Of Pension Plans PercentageOfFundedStatusOfPensionPlans	0.937
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CY2020	us-gaap	Multiemployer Plan Pension Insignificant Plan Contribution MultiemployerPlanPensionInsignificantPlanContribution	500000	USD
CY2019	us-gaap	Multiemployer Plan Pension Insignificant Plan Contribution MultiemployerPlanPensionInsignificantPlanContribution	1100000	USD
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CY2021Q4	us-gaap	Common Stock Capital Shares Reserved For Future Issuance CommonStockCapitalSharesReservedForFutureIssuance	11100000	shares
CY2021	us-gaap	Other Comprehensive Income Loss Foreign Currency Translation Adjustment Tax OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax	0	USD
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CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-2299000	USD
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CY2019	us-gaap	Net Income Loss NetIncomeLoss	52017000	USD
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	31061000	shares
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	30795000	shares
CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	32028000	shares
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CY2021	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	0	shares
CY2020	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	0	shares
CY2020	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	0	shares
CY2019	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	431000	shares
CY2019	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	431000	shares
CY2021	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	6460000	USD
CY2021	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	31061000	shares
CY2020	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	30795000	shares
CY2019	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	32459000	shares
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CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.82
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CY2019	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.60
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CY2020	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	800000	shares
CY2019	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	500000	shares
CY2021	us-gaap	Weighted Average Number Of Shares Treasury Stock WeightedAverageNumberOfSharesTreasuryStock	400000	shares
CY2020	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	5184000	USD
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	0	USD
CY2019	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	3843000	USD
CY2021	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	924000	USD
CY2020	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	709000	USD
CY2019	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	452000	USD
CY2021	us-gaap	Allocated Share Based Compensation Expense Net Of Tax AllocatedShareBasedCompensationExpenseNetOfTax	5536000	USD
CY2020	us-gaap	Allocated Share Based Compensation Expense Net Of Tax AllocatedShareBasedCompensationExpenseNetOfTax	4475000	USD
CY2019	us-gaap	Allocated Share Based Compensation Expense Net Of Tax AllocatedShareBasedCompensationExpenseNetOfTax	3391000	USD
CY2020Q1	atro	Number Of Reporting Units Impaired NumberOfReportingUnitsImpaired	4	reportingUnit
CY2019	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	1600000	USD
CY2020	us-gaap	Operating Lease Impairment Loss OperatingLeaseImpairmentLoss	700000	USD
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CY2020	us-gaap	Equity Securities Without Readily Determinable Fair Value Impairment Loss Annual Amount EquitySecuritiesWithoutReadilyDeterminableFairValueImpairmentLossAnnualAmount	3500000	USD
CY2019	us-gaap	Equity Securities Without Readily Determinable Fair Value Impairment Loss Annual Amount EquitySecuritiesWithoutReadilyDeterminableFairValueImpairmentLossAnnualAmount	5000000	USD
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CY2019	us-gaap	Severance Costs1 SeveranceCosts1	2800000	USD
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CY2021Q4	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	4300000	USD
CY2021Q4	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	-1700000	USD
CY2021	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	444908000	USD
CY2020	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	502587000	USD
CY2019	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	772702000	USD
CY2021	us-gaap	Gain Loss On Sale Of Business GainLossOnSaleOfBusiness	10677000	USD
CY2020	us-gaap	Gain Loss On Sale Of Business GainLossOnSaleOfBusiness	0	USD
CY2019	us-gaap	Gain Loss On Sale Of Business GainLossOnSaleOfBusiness	78801000	USD
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CY2019	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	-6141000	USD
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-26960000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-112410000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	68303000	USD
CY2021	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	29005000	USD
CY2020	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	31854000	USD
CY2019	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	33049000	USD
CY2021Q4	us-gaap	Assets Assets	609138000	USD
CY2020Q4	us-gaap	Assets Assets	619745000	USD
CY2019Q4	us-gaap	Assets Assets		USD
CY2021	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	6034000	USD
CY2020	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	7459000	USD
CY2019	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	12083000	USD
CY2021	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	444908000	USD
CY2020	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	502587000	USD
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CY2021Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	95236000	USD
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CY2021Q4	us-gaap	Accumulated Other Comprehensive Income Loss Foreign Currency Translation Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax	-5400000	USD
CY2020Q4	us-gaap	Accumulated Other Comprehensive Income Loss Foreign Currency Translation Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax	-4500000	USD
CY2021	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	USD
CY2021	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	USD
CY2020	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	86300000	USD
CY2019	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	1600000	USD
CY2019Q4	us-gaap	Impairment Of Long Lived Assets Held For Use ImpairmentOfLongLivedAssetsHeldForUse	9500000	USD
CY2020	us-gaap	Operating Lease Impairment Loss OperatingLeaseImpairmentLoss	700000	USD
CY2021	us-gaap	Severance Costs1 SeveranceCosts1	600000	USD
CY2021	us-gaap	Asset Impairment Charges AssetImpairmentCharges	0	USD
CY2020	us-gaap	Asset Impairment Charges AssetImpairmentCharges	87016000	USD
CY2019	us-gaap	Asset Impairment Charges AssetImpairmentCharges	11083000	USD
CY2021	us-gaap	Restructuring Costs And Asset Impairment Charges RestructuringCostsAndAssetImpairmentCharges	798000	USD
CY2020	us-gaap	Restructuring Costs And Asset Impairment Charges RestructuringCostsAndAssetImpairmentCharges	92343000	USD
CY2019	us-gaap	Restructuring Costs And Asset Impairment Charges RestructuringCostsAndAssetImpairmentCharges	28836000	USD
CY2020Q4	us-gaap	Restructuring Reserve RestructuringReserve	5631000	USD
CY2019Q4	us-gaap	Restructuring Reserve RestructuringReserve	5190000	USD
CY2018Q4	us-gaap	Restructuring Reserve RestructuringReserve	0	USD
CY2021	us-gaap	Restructuring Charges RestructuringCharges	798000	USD
CY2020	us-gaap	Restructuring Charges RestructuringCharges	5327000	USD
CY2019	us-gaap	Restructuring Charges RestructuringCharges	5190000	USD
CY2021	us-gaap	Payments For Restructuring PaymentsForRestructuring	4029000	USD
CY2020	us-gaap	Payments For Restructuring PaymentsForRestructuring	4886000	USD
CY2019	us-gaap	Payments For Restructuring PaymentsForRestructuring	0	USD
CY2021Q4	us-gaap	Restructuring Reserve RestructuringReserve	2400000	USD
CY2020Q4	us-gaap	Restructuring Reserve RestructuringReserve	5631000	USD
CY2019Q4	us-gaap	Restructuring Reserve RestructuringReserve	5190000	USD
CY2020	us-gaap	Equity Securities Without Readily Determinable Fair Value Impairment Loss Annual Amount EquitySecuritiesWithoutReadilyDeterminableFairValueImpairmentLossAnnualAmount	3500000	USD
CY2019	us-gaap	Equity Securities Without Readily Determinable Fair Value Impairment Loss Annual Amount EquitySecuritiesWithoutReadilyDeterminableFairValueImpairmentLossAnnualAmount	5000000	USD
CY2021	dei	Auditor Firm AuditorFirmId	42

Files In Submission

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$ATRO
ASTRONICS CORP Stock $atro

2021 Q4 Form 10-K Financial Statement

#000000806322000011 Filed on March 04, 2022

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$ATRO ASTRONICS CORP Stock $atro

2021 Q4 Form 10-K Financial Statement

#000000806322000011 Filed on March 04, 2022

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$ATRO
ASTRONICS CORP Stock $atro