$ATRO
ASTRONICS CORP Stock $atro

$atro Overview Financials Valuation SEC Filings Company Website

2018 Q4 Form 10-K Financial Statement

#000000806320000013 Filed on March 02, 2020

Income Statement

Concept	2018 Q4	2018 Q3	2018 Q2
Revenue	$202.9M	$212.7M	$208.6M
YoY Change	18.44%	42.13%	36.88%
Cost Of Revenue	$155.2M	$166.4M	$159.0M
YoY Change	11.49%	42.05%	39.41%
Gross Profit	$47.67M	$46.32M	$49.57M
YoY Change	48.27%	35.64%	29.37%
Gross Profit Margin	23.49%	21.78%	23.76%
Selling, General & Admin	$29.10M	$27.98M	$29.44M
YoY Change	25.43%	26.59%	37.69%
% of Gross Profit	61.04%	60.4%	59.39%
Research & Development		$31.20M	$28.90M
YoY Change		31.65%	26.2%
% of Gross Profit		67.36%	58.3%
Depreciation & Amortization	$8.270M	$8.180M	$8.740M
YoY Change	6.16%	30.05%	38.77%
% of Gross Profit	17.35%	17.66%	17.63%
Operating Expenses	$29.20M	$59.18M	$58.34M
YoY Change	25.86%	29.21%	31.75%
Operating Profit	$18.47M	$18.34M	$20.13M
YoY Change	106.32%	76.49%	18.87%
Interest Expense	-$2.400M	-$2.500M	-$2.500M
YoY Change	50.0%	108.33%	127.27%
% of Operating Profit	-12.99%	-13.63%	-12.42%
Other Income/Expense, Net	-$600.0K	-$300.0K	-$500.0K
YoY Change	-25.0%	0.0%	66.67%
Pretax Income	$15.59M	$15.58M	$17.18M
YoY Change	-260.51%	80.2%	10.92%
Income Tax	$2.700M	-$1.419M	$3.157M
% Of Pretax Income	17.31%	-9.11%	18.37%
Net Earnings	$12.49M	$17.00M	$14.03M
YoY Change	-320.86%	121.2%	21.04%
Net Earnings / Revenue	6.15%	7.99%	6.72%
Basic Earnings Per Share	$0.38	$0.53	$0.43
Diluted Earnings Per Share	$0.37	$0.52	$0.42
COMMON SHARES
Basic Shares Outstanding		32.32M shares	32.31M shares
Diluted Shares Outstanding		32.97M shares	33.12M shares

Balance Sheet

Concept	2018 Q4	2018 Q3	2018 Q2
SHORT-TERM ASSETS
Cash & Short-Term Investments	$16.60M	$4.900M	$10.60M
YoY Change	-7.26%	-40.96%	-1.85%
Cash & Equivalents	$16.62M	$4.893M	$10.61M
Short-Term Investments
Other Short-Term Assets	$36.60M	$17.20M	$13.90M
YoY Change	150.68%	19.44%	29.91%
Inventory	$138.7M	$154.9M	$159.5M
Prepaid Expenses
Receivables	$182.3M	$189.1M	$169.5M
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$374.2M	$366.0M	$353.5M
YoY Change	18.66%	28.13%	37.87%
LONG-TERM ASSETS
Property, Plant & Equipment	$120.9M	$124.7M	$124.7M
YoY Change	-3.95%	0.3%	2.08%
Goodwill	$125.0M	$125.1M	$125.2M
YoY Change	-0.55%	5.05%	8.62%
Intangibles	$133.4M	$138.3M	$142.5M
YoY Change	-13.1%	45.54%	49.22%
Long-Term Investments
YoY Change
Other Assets	$21.27M	$21.89M	$18.45M
YoY Change	35.85%	32.66%	32.72%
Total Long-Term Assets	$400.5M	$410.0M	$410.9M
YoY Change	-4.79%	15.51%	18.46%
TOTAL ASSETS
Total Short-Term Assets	$374.2M	$366.0M	$353.5M
Total Long-Term Assets	$400.5M	$410.0M	$410.9M
Total Assets	$774.6M	$776.1M	$764.4M
YoY Change	5.26%	21.14%	26.71%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$50.66M	$42.18M	$49.58M
YoY Change	21.07%	17.58%	68.03%
Accrued Expenses	$47.50M	$43.30M	$38.60M
YoY Change	23.38%	41.97%	28.24%
Deferred Revenue	$26.88M	$30.19M
YoY Change	37.09%
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due	$1.870M	$1.965M	$2.190M
YoY Change	-30.46%	-27.09%	-15.18%
Total Short-Term Liabilities	$128.1M	$117.7M	$115.8M
YoY Change	24.49%	26.41%	39.3%
LONG-TERM LIABILITIES
Long-Term Debt	$232.1M	$257.7M	$263.2M
YoY Change	-13.74%	47.54%	89.44%
Other Long-Term Liabilities	$1.923M	$31.26M	$34.19M
YoY Change	-33.89%	-12.08%	-2.73%
Total Long-Term Liabilities	$234.0M	$288.9M	$297.3M
YoY Change	-13.95%	37.45%	70.83%
TOTAL LIABILITIES
Total Short-Term Liabilities	$128.1M	$117.7M	$115.8M
Total Long-Term Liabilities	$234.0M	$288.9M	$297.3M
Total Liabilities	$388.0M	$406.6M	$413.1M
YoY Change	-4.44%	34.06%	60.64%
SHAREHOLDERS EQUITY
Retained Earnings	$376.6M
YoY Change	15.8%
Common Stock	$73.39M	$341.0K	$298.0K
YoY Change	7.78%	14.81%	0.34%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$50.00M
YoY Change	0.0%
Treasury Stock Shares	1.675M shares
Shareholders Equity	$386.6M	$369.4M	$351.3M
YoY Change
Total Liabilities & Shareholders Equity	$774.6M	$776.1M	$764.4M
YoY Change	5.26%	21.14%	26.71%

Cashflow Statement

Concept	2018 Q4	2018 Q3	2018 Q2
OPERATING ACTIVITIES
Net Income	$12.49M	$17.00M	$14.03M
YoY Change	-320.86%	121.2%	21.04%
Depreciation, Depletion And Amortization	$8.270M	$8.180M	$8.740M
YoY Change	6.16%	30.05%	38.77%
Cash From Operating Activities	$39.52M	$7.250M	$9.160M
YoY Change	155.46%	-494.02%	43.8%
INVESTING ACTIVITIES
Capital Expenditures	-$3.900M	-$3.920M	-$4.150M
YoY Change	3.72%	31.54%	49.82%
Acquisitions
YoY Change
Other Investing Activities	$30.00K	-$3.380M	$0.00
YoY Change	-100.03%	-66.33%
Cash From Investing Activities	-$3.880M	-$7.290M	-$4.150M
YoY Change	-96.39%	-44.01%	49.98%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-23.80M	-5.690M	-10.58M
YoY Change	-125.19%	-146.52%	-1.81%
NET CHANGE
Cash From Operating Activities	39.52M	7.250M	9.160M
Cash From Investing Activities	-3.880M	-7.290M	-4.150M
Cash From Financing Activities	-23.80M	-5.690M	-10.58M
Net Change In Cash	11.84M	-5.730M	-5.570M
YoY Change	397.48%	117.87%	-22.34%
FREE CASH FLOW
Cash From Operating Activities	$39.52M	$7.250M	$9.160M
Capital Expenditures	-$3.900M	-$3.920M	-$4.150M
Free Cash Flow	$43.42M	$11.17M	$13.31M
YoY Change	125.79%	879.82%	45.62%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2019	dei	Amendment Flag AmendmentFlag	false
CY2019	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2019
CY2019	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2019	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2019	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2019	dei	Entity Central Index Key EntityCentralIndexKey	0000008063
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Award Vesting Period1 ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1	P5Y
CY2019Q4	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	300900000	USD
CY2019Q4	us-gaap	Revenue Remaining Performance Obligation Expected Timing Of Satisfaction Period1 RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1	P12M
CY2019	dei	Document Type DocumentType	10-K
CY2019	dei	Document Annual Report DocumentAnnualReport	true
CY2019	dei	Document Transition Report DocumentTransitionReport	false
CY2019	dei	Document Period End Date DocumentPeriodEndDate	2019-12-31
CY2019	dei	Entity File Number EntityFileNumber	0-7087
CY2019	dei	Entity Registrant Name EntityRegistrantName	Astronics Corporation
CY2019	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	NY
CY2019	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	16-0959303
CY2019	dei	Entity Address Address Line1 EntityAddressAddressLine1	130 Commerce Way
CY2019	dei	Entity Address City Or Town EntityAddressCityOrTown	East Aurora
CY2019	dei	Entity Address State Or Province EntityAddressStateOrProvince	NY
CY2019	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	14052
CY2019	dei	City Area Code CityAreaCode	716
CY2019	dei	Local Phone Number LocalPhoneNumber	805-1599
CY2019	dei	Security12b Title Security12bTitle	Common Stock, $.01 par value per share
CY2019	dei	Trading Symbol TradingSymbol	ATRO
CY2019	dei	Security Exchange Name SecurityExchangeName	NASDAQ
CY2019	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	No
CY2019	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2019	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2019	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2019	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2019	dei	Entity Small Business EntitySmallBusiness	false
CY2019	dei	Entity Shell Company EntityShellCompany	false
CY2019Q2	dei	Entity Public Float EntityPublicFloat	1107000000	USD
CY2019	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	772702000	USD
CY2018	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	803256000	USD
CY2017	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	624464000	USD
CY2019	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	616560000	USD
CY2018	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	622560000	USD
CY2017	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	487351000	USD
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CY2018	us-gaap	Gross Profit GrossProfit	180696000	USD
CY2017	us-gaap	Gross Profit GrossProfit	137113000	USD
CY2019	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	143358000	USD
CY2018	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	117033000	USD
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CY2019	us-gaap	Asset Impairment Charges AssetImpairmentCharges	11083000	USD
CY2018	us-gaap	Asset Impairment Charges AssetImpairmentCharges	0	USD
CY2017	us-gaap	Asset Impairment Charges AssetImpairmentCharges	16237000	USD
CY2019	us-gaap	Operating Income Loss OperatingIncomeLoss	1701000	USD
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CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	31906000	USD
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CY2018	us-gaap	Gain Loss On Sale Of Business GainLossOnSaleOfBusiness	0	USD
CY2017	us-gaap	Gain Loss On Sale Of Business GainLossOnSaleOfBusiness	0	USD
CY2019	us-gaap	Asset Impairment Charges AssetImpairmentCharges	11083000	USD
CY2018	us-gaap	Asset Impairment Charges AssetImpairmentCharges	0	USD
CY2017	us-gaap	Asset Impairment Charges AssetImpairmentCharges	16237000	USD
CY2019	us-gaap	Gain Loss Related To Litigation Settlement GainLossRelatedToLitigationSettlement	-19619000	USD
CY2018	us-gaap	Gain Loss Related To Litigation Settlement GainLossRelatedToLitigationSettlement	-1000000	USD
CY2017	us-gaap	Gain Loss Related To Litigation Settlement GainLossRelatedToLitigationSettlement	0	USD
CY2019	us-gaap	Equity Securities Without Readily Determinable Fair Value Impairment Loss Annual Amount EquitySecuritiesWithoutReadilyDeterminableFairValueImpairmentLossAnnualAmount	5000000	USD
CY2018	us-gaap	Equity Securities Without Readily Determinable Fair Value Impairment Loss Annual Amount EquitySecuritiesWithoutReadilyDeterminableFairValueImpairmentLossAnnualAmount	0	USD
CY2017	us-gaap	Equity Securities Without Readily Determinable Fair Value Impairment Loss Annual Amount EquitySecuritiesWithoutReadilyDeterminableFairValueImpairmentLossAnnualAmount	0	USD
CY2019	us-gaap	Restructuring Costs RestructuringCosts	6539000	USD
CY2018	us-gaap	Restructuring Costs RestructuringCosts	0	USD
CY2017	us-gaap	Restructuring Costs RestructuringCosts	0	USD
CY2019	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-1610000	USD
CY2018	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	668000	USD
CY2017	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	937000	USD
CY2019	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-34083000	USD
CY2018	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	47291000	USD
CY2017	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	9844000	USD
CY2019	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	12711000	USD
CY2018	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	14695000	USD
CY2017	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	18116000	USD
CY2019	us-gaap	Increase Decrease In Prepaid Expense IncreaseDecreaseInPrepaidExpense	1160000	USD
CY2018	us-gaap	Increase Decrease In Prepaid Expense IncreaseDecreaseInPrepaidExpense	-464000	USD
CY2017	us-gaap	Increase Decrease In Prepaid Expense IncreaseDecreaseInPrepaidExpense	2132000	USD
CY2019	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-16617000	USD
CY2018	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	9171000	USD
CY2017	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	10439000	USD
CY2019	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	-10737000	USD
CY2018	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	8177000	USD
CY2017	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	-702000	USD
CY2019	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	3371000	USD
CY2018	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	-4460000	USD
CY2017	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	-376000	USD
CY2019	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	-11919000	USD
CY2018	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	15735000	USD
CY2017	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	-4918000	USD
CY2019	atro	Increase Decrease In Operating Lease Liabilities IncreaseDecreaseInOperatingLeaseLiabilities	-3840000	USD
CY2019	us-gaap	Increase Decrease In Employee Related Liabilities IncreaseDecreaseInEmployeeRelatedLiabilities	1490000	USD
CY2018	us-gaap	Increase Decrease In Employee Related Liabilities IncreaseDecreaseInEmployeeRelatedLiabilities	1924000	USD
CY2017	us-gaap	Increase Decrease In Employee Related Liabilities IncreaseDecreaseInEmployeeRelatedLiabilities	1313000	USD
CY2019	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	42689000	USD
CY2018	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	54881000	USD
CY2017	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	37783000	USD
CY2019	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	28907000	USD
CY2018	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	0	USD
CY2017	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	114039000	USD
CY2019	us-gaap	Proceeds From Divestiture Of Businesses ProceedsFromDivestitureOfBusinesses	104877000	USD
CY2018	us-gaap	Proceeds From Divestiture Of Businesses ProceedsFromDivestitureOfBusinesses	0	USD
CY2017	us-gaap	Proceeds From Divestiture Of Businesses ProceedsFromDivestitureOfBusinesses	0	USD
CY2019	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	12083000	USD
CY2018	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	16317000	USD
CY2017	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	13478000	USD
CY2019	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-743000	USD
CY2018	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	3350000	USD
CY2017	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	2044000	USD
CY2019	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	64630000	USD
CY2018	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-19667000	USD
CY2017	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-129561000	USD
CY2019	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	117000000	USD
CY2018	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	35015000	USD
CY2017	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	147086000	USD
CY2019	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	156107000	USD
CY2018	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	72834000	USD
CY2017	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	23720000	USD
CY2019	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	50784000	USD
CY2018	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	0	USD
CY2017	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	32382000	USD
CY2019	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	0	USD
CY2018	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	516000	USD
CY2017	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	0	USD
CY2019	atro	Proceeds Of Stock Options Exercised Net Of Taxes Remitted ProceedsOfStockOptionsExercisedNetOfTaxesRemitted	-545000	USD
CY2018	atro	Proceeds Of Stock Options Exercised Net Of Taxes Remitted ProceedsOfStockOptionsExercisedNetOfTaxesRemitted	2201000	USD
CY2017	atro	Proceeds Of Stock Options Exercised Net Of Taxes Remitted ProceedsOfStockOptionsExercisedNetOfTaxesRemitted	441000	USD
CY2019	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	1746000	USD
CY2019	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-92182000	USD
CY2018	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-36134000	USD
CY2017	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	91425000	USD
CY2019	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	147000	USD
CY2018	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-372000	USD
CY2017	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	366000	USD
CY2019	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	15284000	USD
CY2018	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-1292000	USD
CY2017	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	13000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	16622000	USD
CY2017Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	17914000	USD
CY2016Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	17901000	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
CY2017Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	17914000	USD
CY2019	us-gaap	Interest Paid Net InterestPaidNet	5707000	USD
CY2018	us-gaap	Interest Paid Net InterestPaidNet	9710000	USD
CY2017	us-gaap	Interest Paid Net InterestPaidNet	4775000	USD
CY2019	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	27343000	USD
CY2018	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	12218000	USD
CY2017	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	10777000	USD
CY2019Q4	us-gaap	Stockholders Equity StockholdersEquity	388857000	USD
CY2018Q4	us-gaap	Stockholders Equity StockholdersEquity	386625000	USD
CY2017Q4	us-gaap	Stockholders Equity StockholdersEquity	329927000	USD
CY2019	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	2	segment
CY2019	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	108900000	USD
CY2018	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	114300000	USD
CY2017	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	95000000.0	USD
CY2019	atro	Cash And Cash Equivalents Maturity Period CashAndCashEquivalentsMaturityPeriod	P3M
CY2018Q4	atro	Capital Lease Obligation Weighted Average Discount Rate Percent CapitalLeaseObligationWeightedAverageDiscountRatePercent	0.053
CY2019	us-gaap	Depreciation Depreciation	13700000	USD
CY2018	us-gaap	Depreciation Depreciation	15000000.0	USD
CY2017	us-gaap	Depreciation Depreciation	14100000	USD
CY2016Q4	atro	Goodwill Impairment Number Of Reporting Units Tested For Impairment GoodwillImpairmentNumberOfReportingUnitsTestedForImpairment	9	reporting_unit
CY2018	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	USD
CY2018	us-gaap	Impairment Of Intangible Assets Excluding Goodwill ImpairmentOfIntangibleAssetsExcludingGoodwill	0	USD
CY2017	us-gaap	Impairment Of Intangible Assets Excluding Goodwill ImpairmentOfIntangibleAssetsExcludingGoodwill	0	USD
CY2019	us-gaap	Equity Securities Without Readily Determinable Fair Value Impairment Loss Annual Amount EquitySecuritiesWithoutReadilyDeterminableFairValueImpairmentLossAnnualAmount	5000000.0	USD
CY2019	us-gaap	Use Of Estimates UseOfEstimates	<div style="margin-top:9pt;margin-bottom:9pt;"><span style="background-color:rgb(255,255,255, 0.0);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-top:9pt;margin-bottom:9pt;"><span style="background-color:rgb(255,255,255, 0.0);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
CY2018	us-gaap	Dividends Cash DividendsCash	0	USD
CY2017	us-gaap	Dividends Cash DividendsCash	0	USD
CY2018Q4	us-gaap	Capitalized Contract Cost Net CapitalizedContractCostNet	9600000	USD
CY2019Q4	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	359600000	USD
CY2019Q4	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	300900000	USD
CY2019	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	19600000	USD
CY2018	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	8100000	USD
CY2019Q1	us-gaap	Contract With Customer Asset Net ContractWithCustomerAssetNet	33030000	USD
CY2019Q1	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	27347000	USD
CY2019Q4	us-gaap	Contract With Customer Asset Net ContractWithCustomerAssetNet	19567000	USD
CY2019Q4	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	38758000	USD
CY2019	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	772702000	USD
CY2018	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	803256000	USD
CY2017	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	624464000	USD
CY2019	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	772702000	USD
CY2018	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	803256000	USD
CY2017	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	624464000	USD
CY2019Q4	us-gaap	Accounts Receivable Gross AccountsReceivableGross	131990000	USD
CY2018Q4	us-gaap	Accounts Receivable Gross AccountsReceivableGross	150764000	USD
CY2019Q4	us-gaap	Unbilled Contracts Receivable UnbilledContractsReceivable	19567000	USD
CY2018Q4	us-gaap	Unbilled Contracts Receivable UnbilledContractsReceivable	33030000	USD
CY2019Q4	us-gaap	Accounts Receivable Billed For Long Term Contracts Or Programs AccountsReceivableBilledForLongTermContractsOrPrograms	151557000	USD
CY2018Q4	us-gaap	Accounts Receivable Billed For Long Term Contracts Or Programs AccountsReceivableBilledForLongTermContractsOrPrograms	183794000	USD
CY2019Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	3559000	USD
CY2018Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	1486000	USD
CY2019Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	147998000	USD
CY2018Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	182308000	USD
CY2019Q4	us-gaap	Inventory Finished Goods Net Of Reserves InventoryFinishedGoodsNetOfReserves	33434000	USD
CY2018Q4	us-gaap	Inventory Finished Goods Net Of Reserves InventoryFinishedGoodsNetOfReserves	33100000	USD
CY2019Q4	us-gaap	Inventory Work In Process Net Of Reserves InventoryWorkInProcessNetOfReserves	25594000	USD
CY2018Q4	us-gaap	Inventory Work In Process Net Of Reserves InventoryWorkInProcessNetOfReserves	27409000	USD
CY2019Q4	us-gaap	Inventory Raw Materials Net Of Reserves InventoryRawMaterialsNetOfReserves	86759000	USD
CY2018Q4	us-gaap	Inventory Raw Materials Net Of Reserves InventoryRawMaterialsNetOfReserves	78176000	USD
CY2019Q4	us-gaap	Inventory Net InventoryNet	145787000	USD
CY2018Q4	us-gaap	Inventory Net InventoryNet	138685000	USD
CY2019Q4	us-gaap	Inventory Valuation Reserves InventoryValuationReserves	33600000	USD
CY2019Q4	atro	Inventory Valuation Reserves As Percentage Of Gross Inventory InventoryValuationReservesAsPercentageOfGrossInventory	0.187
CY2018Q4	us-gaap	Inventory Valuation Reserves InventoryValuationReserves	20800000	USD
CY2018Q4	atro	Inventory Valuation Reserves As Percentage Of Gross Inventory InventoryValuationReservesAsPercentageOfGrossInventory	0.120
CY2019Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	205180000	USD
CY2018Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	207734000	USD
CY2019Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	92681000	USD
CY2018Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	86872000	USD
CY2019Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	112499000	USD
CY2018Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	120862000	USD
CY2019	us-gaap	Finite Lived Intangible Asset Useful Life FiniteLivedIntangibleAssetUsefulLife	P12Y
CY2019Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	215315000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	88022000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	197800000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	64417000	USD
CY2019	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	17600000	USD
CY2018	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	19400000	USD
CY2017	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	12300000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	16620000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	15394000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	14963000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	13927000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	12908000	USD
CY2017Q4	us-gaap	Goodwill Goodwill	125645000	USD
CY2018	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	241000	USD
CY2018	us-gaap	Goodwill Foreign Currency Translation Gain Loss GoodwillForeignCurrencyTranslationGainLoss	-452000	USD
CY2018Q4	us-gaap	Goodwill Goodwill	124952000	USD
CY2019	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	21670000	USD
CY2019	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	1610000	USD
CY2019	us-gaap	Goodwill Foreign Currency Translation Gain Loss GoodwillForeignCurrencyTranslationGainLoss	-42000	USD
CY2019Q4	us-gaap	Goodwill Goodwill	144970000	USD
CY2019Q4	us-gaap	Goodwill Gross GoodwillGross	179359000	USD
CY2019Q4	us-gaap	Goodwill Impaired Accumulated Impairment Loss GoodwillImpairedAccumulatedImpairmentLoss	34389000	USD
CY2019Q4	us-gaap	Goodwill Goodwill	144970000	USD
CY2016Q4	atro	Goodwill Impairment Number Of Reporting Units Tested For Impairment GoodwillImpairmentNumberOfReportingUnitsTestedForImpairment	9	reporting_unit
CY2018	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	USD
CY2019Q4	us-gaap	Long Term Debt And Capital Lease Obligations Including Current Maturities LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities	188224000	USD
CY2018Q4	us-gaap	Long Term Debt And Capital Lease Obligations Including Current Maturities LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities	233982000	USD
CY2018Q4	us-gaap	Capital Lease Obligations CapitalLeaseObligations	6644000	USD
CY2019Q4	us-gaap	Long Term Debt And Capital Lease Obligations Current LongTermDebtAndCapitalLeaseObligationsCurrent	224000	USD
CY2018Q4	us-gaap	Long Term Debt And Capital Lease Obligations Current LongTermDebtAndCapitalLeaseObligationsCurrent	1870000	USD
CY2019Q4	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	188000000	USD
CY2018Q4	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	232112000	USD
CY2019Q4	us-gaap	Long Term Debt And Capital Lease Obligations Repayments Of Principal In Next Twelve Months LongTermDebtAndCapitalLeaseObligationsRepaymentsOfPrincipalInNextTwelveMonths	224000	USD
CY2019Q4	us-gaap	Long Term Debt And Capital Lease Obligations Maturities Repayments Of Principal In Year Two LongTermDebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalInYearTwo	0	USD
CY2019Q4	us-gaap	Long Term Debt And Capital Lease Obligations Maturities Repayments Of Principal In Year Three LongTermDebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalInYearThree	0	USD
CY2019Q4	us-gaap	Long Term Debt And Capital Lease Obligations Maturities Repayments Of Principal In Year Four LongTermDebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalInYearFour	188000000	USD
CY2019Q4	us-gaap	Long Term Debt And Capital Lease Obligations Maturities Repayments Of Principal In Year Five LongTermDebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalInYearFive	0	USD
CY2019Q4	us-gaap	Long Term Debt And Capital Lease Obligations Including Current Maturities LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities	188224000	USD
CY2018Q4	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	5027000	USD
CY2017Q4	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	5136000	USD
CY2016Q4	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	4675000	USD
CY2019	us-gaap	Product Warranty Accrual Additions From Business Acquisition ProductWarrantyAccrualAdditionsFromBusinessAcquisition	-80000	USD
CY2018	us-gaap	Product Warranty Accrual Additions From Business Acquisition ProductWarrantyAccrualAdditionsFromBusinessAcquisition	0	USD
CY2017	us-gaap	Product Warranty Accrual Additions From Business Acquisition ProductWarrantyAccrualAdditionsFromBusinessAcquisition	511000	USD
CY2019	us-gaap	Product Warranty Accrual Warranties Issued ProductWarrantyAccrualWarrantiesIssued	3781000	USD
CY2018	us-gaap	Product Warranty Accrual Warranties Issued ProductWarrantyAccrualWarrantiesIssued	2806000	USD
CY2017	us-gaap	Product Warranty Accrual Warranties Issued ProductWarrantyAccrualWarrantiesIssued	1782000	USD
CY2019	us-gaap	Product Warranty Accrual Preexisting Increase Decrease ProductWarrantyAccrualPreexistingIncreaseDecrease	1451000	USD
CY2018	us-gaap	Product Warranty Accrual Preexisting Increase Decrease ProductWarrantyAccrualPreexistingIncreaseDecrease	-370000	USD
CY2017	us-gaap	Product Warranty Accrual Preexisting Increase Decrease ProductWarrantyAccrualPreexistingIncreaseDecrease	540000	USD
CY2019	us-gaap	Product Warranty Accrual Payments ProductWarrantyAccrualPayments	2519000	USD
CY2018	us-gaap	Product Warranty Accrual Payments ProductWarrantyAccrualPayments	2545000	USD
CY2017	us-gaap	Product Warranty Accrual Payments ProductWarrantyAccrualPayments	2372000	USD
CY2019Q4	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	7660000	USD
CY2018Q4	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	5027000	USD
CY2017Q4	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	5136000	USD
CY2019Q4	atro	Operating Lease And Financing Lease Weighted Average Discount Rate Percent OperatingLeaseAndFinancingLeaseWeightedAverageDiscountRatePercent	0.037
CY2019Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	23600000	USD
CY2019Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	25600000	USD
CY2019	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	10400000	USD
CY2019Q4	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	2500000	USD
CY2019Q4	us-gaap	Finance Lease Liability FinanceLeaseLiability	4700000	USD
CY2019Q4	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	1900000	USD
CY2019Q4	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	2800000	USD
CY2019	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	1020000	USD
CY2019	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	314000	USD
CY2019	atro	Finance Lease Cost FinanceLeaseCost	1334000	USD
CY2019	us-gaap	Operating Lease Cost OperatingLeaseCost	5050000	USD
CY2019	us-gaap	Operating Lease Impairment Loss OperatingLeaseImpairmentLoss	1018000	USD
CY2019	us-gaap	Variable Lease Cost VariableLeaseCost	1236000	USD
CY2019	us-gaap	Short Term Lease Cost ShortTermLeaseCost	223000	USD
CY2019	atro	Sublease Income Expense SubleaseIncomeExpense	629000	USD
CY2019	atro	Operating Lease Cost Net Of Sublease And Rental Income OperatingLeaseCostNetOfSubleaseAndRentalIncome	6898000	USD
CY2019	us-gaap	Lease Cost LeaseCost	8232000	USD
CY2019	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	314000	USD
CY2019	us-gaap	Operating Lease Payments OperatingLeasePayments	4718000	USD
CY2019	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	1746000	USD
CY2019Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P6Y
CY2019Q4	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P2Y
CY2019Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.034
CY2019Q4	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.050
CY2019Q4	us-gaap	Finance Lease Liability Payments Due Year Five FinanceLeaseLiabilityPaymentsDueYearFive	0	USD
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	5977000	USD
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	4898000	USD
CY2019Q4	us-gaap	Finance Lease Liability Payments Due Next Twelve Months FinanceLeaseLiabilityPaymentsDueNextTwelveMonths	2128000	USD
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	5370000	USD
CY2019Q4	us-gaap	Finance Lease Liability Payments Due Year Two FinanceLeaseLiabilityPaymentsDueYearTwo	2181000	USD
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	5152000	USD
CY2019Q4	us-gaap	Finance Lease Liability Payments Due Year Three FinanceLeaseLiabilityPaymentsDueYearThree	743000	USD
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	3911000	USD
CY2019Q4	us-gaap	Finance Lease Liability Payments Due After Year Five FinanceLeaseLiabilityPaymentsDueAfterYearFive	0	USD
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	28145000	USD
CY2019Q4	us-gaap	Finance Lease Liability Payments Due FinanceLeaseLiabilityPaymentsDue	5052000	USD
CY2019Q4	us-gaap	Finance Lease Liability Payments Due Year Four FinanceLeaseLiabilityPaymentsDueYearFour	0	USD
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	2837000	USD
CY2019Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	2589000	USD
CY2019Q4	us-gaap	Finance Lease Liability Undiscounted Excess Amount FinanceLeaseLiabilityUndiscountedExcessAmount	314000	USD
CY2019Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	25556000	USD
CY2019Q4	us-gaap	Finance Lease Liability FinanceLeaseLiability	4738000	USD
CY2019	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	23798000	USD
CY2018	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	7540000	USD
CY2017	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	8436000	USD
CY2019	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	4471000	USD
CY2018	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	-504000	USD
CY2018	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-1799000	USD
CY2017	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-3850000	USD
CY2017	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	2054000	USD
CY2019	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	2402000	USD
CY2018	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	1123000	USD
CY2017	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	316000	USD
CY2019	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	30671000	USD
CY2018	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	8159000	USD
CY2017	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	10806000	USD
CY2019	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-16250000	USD
CY2019	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	727000	USD
CY2018	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-1584000	USD
CY2017	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-326000	USD
CY2019	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	1138000	USD
CY2018	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	703000	USD
CY2017	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-1318000	USD
CY2017	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-5494000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	16286000	USD
CY2019	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-14385000	USD
CY2018	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-2680000	USD
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	5479000	USD
CY2017	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	5312000	USD
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
CY2017	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.350
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Share Based Compensation Cost EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost	-0.005
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Share Based Compensation Cost EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost	-0.009
CY2017	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Share Based Compensation Cost EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost	0.011
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Deductions EffectiveIncomeTaxRateReconciliationDeductions	0
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Deductions EffectiveIncomeTaxRateReconciliationDeductions	0
CY2017	us-gaap	Effective Income Tax Rate Reconciliation Deductions EffectiveIncomeTaxRateReconciliationDeductions	0.047
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Other EffectiveIncomeTaxRateReconciliationTaxCreditsOther	0.005
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Other EffectiveIncomeTaxRateReconciliationTaxCreditsOther	0.004
CY2017	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Other EffectiveIncomeTaxRateReconciliationTaxCreditsOther	0.005
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	0.014
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	0.005
CY2017	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	-0.056
CY2019	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.060
CY2018	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.028
CY2017	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.045
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Prior Year Income Taxes EffectiveIncomeTaxRateReconciliationPriorYearIncomeTaxes	0
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Prior Year Income Taxes EffectiveIncomeTaxRateReconciliationPriorYearIncomeTaxes	-0.067
CY2017	us-gaap	Effective Income Tax Rate Reconciliation Prior Year Income Taxes EffectiveIncomeTaxRateReconciliationPriorYearIncomeTaxes	0
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Research EffectiveIncomeTaxRateReconciliationTaxCreditsResearch	0.046
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Research EffectiveIncomeTaxRateReconciliationTaxCreditsResearch	0.062
CY2017	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Research EffectiveIncomeTaxRateReconciliationTaxCreditsResearch	0.115
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	0.011
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	0
CY2017	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	0
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Tax Cuts And Jobs Act Of2017 Percent EffectiveIncomeTaxRateReconciliationTaxCutsAndJobsActOf2017Percent	-0.012
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Tax Cuts And Jobs Act Of2017 Percent EffectiveIncomeTaxRateReconciliationTaxCutsAndJobsActOf2017Percent	0.002
CY2017	us-gaap	Effective Income Tax Rate Reconciliation Tax Cuts And Jobs Act Of2017 Percent EffectiveIncomeTaxRateReconciliationTaxCutsAndJobsActOf2017Percent	0
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Repatriation Of Foreign Earnings EffectiveIncomeTaxRateReconciliationRepatriationOfForeignEarnings	0
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Change In Enacted Tax Rate EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate	-0.001
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.003
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Repatriation Of Foreign Earnings EffectiveIncomeTaxRateReconciliationRepatriationOfForeignEarnings	-0.008
CY2017	us-gaap	Effective Income Tax Rate Reconciliation Repatriation Of Foreign Earnings EffectiveIncomeTaxRateReconciliationRepatriationOfForeignEarnings	0.056
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Change In Enacted Tax Rate EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate	0
CY2017	us-gaap	Effective Income Tax Rate Reconciliation Change In Enacted Tax Rate EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate	-0.035
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.001
CY2017	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.001
CY2019	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.238
CY2018	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.105
CY2017	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.213
CY2019Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Reserves DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsReserves	17071000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Reserves DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsReserves	8808000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits	6427000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits	5628000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards General Business DeferredTaxAssetsTaxCreditCarryforwardsGeneralBusiness	854000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards General Business DeferredTaxAssetsTaxCreditCarryforwardsGeneralBusiness	1066000	USD
CY2019Q4	atro	Deferred Tax Assets Customer Advanced Payments And Deferred Revenue DeferredTaxAssetsCustomerAdvancedPaymentsAndDeferredRevenue	3472000	USD
CY2018Q4	atro	Deferred Tax Assets Customer Advanced Payments And Deferred Revenue DeferredTaxAssetsCustomerAdvancedPaymentsAndDeferredRevenue	875000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards State And Local DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal	8212000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards State And Local DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal	7407000	USD
CY2019Q4	atro	Deferred Tax Assets Revenue Recognition DeferredTaxAssetsRevenueRecognition	2612000	USD
CY2018Q4	atro	Deferred Tax Assets Revenue Recognition DeferredTaxAssetsRevenueRecognition	1641000	USD
CY2019Q4	atro	Deferred Tax Assets Lease Accounting DeferredTaxAssetsLeaseAccounting	7466000	USD
CY2018Q4	atro	Deferred Tax Assets Lease Accounting DeferredTaxAssetsLeaseAccounting	1743000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	3170000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	0	USD
CY2019Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	49284000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	27168000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	13303000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	8098000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	35981000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	19070000	USD
CY2019Q4	atro	Deferred Tax Liabilities Revenue Recognition DeferredTaxLiabilitiesRevenueRecognition	496000	USD
CY2018Q4	atro	Deferred Tax Liabilities Revenue Recognition DeferredTaxLiabilitiesRevenueRecognition	767000	USD
CY2019Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	10060000	USD
CY2018Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	10783000	USD
CY2019Q4	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssets	4683000	USD
CY2018Q4	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssets	4438000	USD
CY2019Q4	atro	Deferred Tax Liabilities Lease Accounting DeferredTaxLiabilitiesLeaseAccounting	6377000	USD
CY2018Q4	atro	Deferred Tax Liabilities Lease Accounting DeferredTaxLiabilitiesLeaseAccounting	904000	USD
CY2019Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	751000	USD
CY2018Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	3812000	USD
CY2019Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	22367000	USD
CY2018Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	20704000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	13614000	USD
CY2018Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	1634000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	13614000	USD
CY2018Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	1634000	USD
CY2019Q4	us-gaap	Tax Credit Carryforward Amount TaxCreditCarryforwardAmount	800000	USD
CY2019	atro	Tax Credit Carryforward Expiration Year Range Start TaxCreditCarryforwardExpirationYearRangeStart	2020
CY2019	atro	Tax Credit Carryforward Expiration Year Range End TaxCreditCarryforwardExpirationYearRangeEnd	2033
CY2019	atro	Operating Loss Carryforwards Expected To Be Utilize Expiration Beginning Year OperatingLossCarryforwardsExpectedToBeUtilizeExpirationBeginningYear	2027
CY2019	atro	Operating Loss Carry Forwards Expected To Be Utilized Expiration Ending Year OperatingLossCarryForwardsExpectedToBeUtilizedExpirationEndingYear	2038
CY2019	atro	Operating Loss Carryforwards Expiration Beginning Year OperatingLossCarryforwardsExpirationBeginningYear	2022
CY2019	atro	Operating Loss Carry Forwards Expiration Ending Year OperatingLossCarryForwardsExpirationEndingYear	2039
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Share Based Compensation Excess Tax Benefit Amount EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitAmount	-600000	USD
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Share Based Compensation Excess Tax Benefit Amount EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitAmount	-700000	USD
CY2018	us-gaap	Deferred Tax Expense From Stock Options Exercised DeferredTaxExpenseFromStockOptionsExercised	500000	USD
CY2019Q4	atro	Provisional Tax Credit Carryforwards Foreign ProvisionalTaxCreditCarryforwardsForeign	200000	USD
CY2019Q4	us-gaap	Decrease In Unrecognized Tax Benefits Is Reasonably Possible DecreaseInUnrecognizedTaxBenefitsIsReasonablyPossible	800000	USD
CY2019Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	2600000	USD
CY2018Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	2200000	USD
CY2018Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	2197000	USD
CY2019Q4	us-gaap	Income Tax Examination Penalties And Interest Accrued IncomeTaxExaminationPenaltiesAndInterestAccrued	0	USD
CY2017Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	0	USD
CY2016Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	0	USD
CY2019	atro	Unrecognized Tax Benefits Increase Decrease Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreaseDecreaseResultingFromPriorPeriodTaxPositions	0	USD
CY2018	atro	Unrecognized Tax Benefits Increase Decrease Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreaseDecreaseResultingFromPriorPeriodTaxPositions	0	USD
CY2017	atro	Unrecognized Tax Benefits Increase Decrease Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreaseDecreaseResultingFromPriorPeriodTaxPositions	0	USD
CY2019	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	368000	USD
CY2018	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	2197000	USD
CY2017	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	0	USD
CY2019Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	2565000	USD
CY2018Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	2197000	USD
CY2017Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	0	USD
CY2018	atro	Pretax Income From Foreign Subsidiary PretaxIncomeFromForeignSubsidiary	7300000	USD
CY2017	atro	Pretax Income From Foreign Subsidiary PretaxIncomeFromForeignSubsidiary	1100000	USD
CY2019	atro	Tax Cuts And Jobs Act Change In Tax Rate Deferred Tax Liability Income Tax Benefit TaxCutsAndJobsActChangeInTaxRateDeferredTaxLiabilityIncomeTaxBenefit	100000	USD
CY2017	us-gaap	Tax Cuts And Jobs Act Of2017 Incomplete Accounting Change In Tax Rate Deferred Tax Liability Provisional Income Tax Benefit TaxCutsAndJobsActOf2017IncompleteAccountingChangeInTaxRateDeferredTaxLiabilityProvisionalIncomeTaxBenefit	900000	USD
CY2018Q4	us-gaap	Income Tax Examination Penalties And Interest Accrued IncomeTaxExaminationPenaltiesAndInterestAccrued	0	USD
CY2019	atro	Pretax Income From Foreign Subsidiary PretaxIncomeFromForeignSubsidiary	12200000	USD
CY2017	us-gaap	Foreign Earnings Repatriated ForeignEarningsRepatriated	10300000	USD
CY2017	us-gaap	Tax Cuts And Jobs Act Of2017 Incomplete Accounting Transition Tax For Accumulated Foreign Earnings Provisional Income Tax Expense TaxCutsAndJobsActOf2017IncompleteAccountingTransitionTaxForAccumulatedForeignEarningsProvisionalIncomeTaxExpense	1400000	USD
CY2019Q4	us-gaap	Undistributed Earnings Of Foreign Subsidiaries UndistributedEarningsOfForeignSubsidiaries	29700000	USD
CY2019	us-gaap	Tax Cuts And Jobs Act Of2017 Incomplete Accounting Change In Tax Rate Deferred Tax Asset Provisional Income Tax Expense TaxCutsAndJobsActOf2017IncompleteAccountingChangeInTaxRateDeferredTaxAssetProvisionalIncomeTaxExpense	800000	USD
CY2018	us-gaap	Tax Cuts And Jobs Act Of2017 Incomplete Accounting Change In Tax Rate Deferred Tax Asset Provisional Income Tax Expense TaxCutsAndJobsActOf2017IncompleteAccountingChangeInTaxRateDeferredTaxAssetProvisionalIncomeTaxExpense	200000	USD
CY2019	atro	Number Of Non Qualified Supplemental Retirement Defined Benefit Plans NumberOfNonQualifiedSupplementalRetirementDefinedBenefitPlans	2	retirement_plan
CY2019Q4	us-gaap	Defined Benefit Plan Accumulated Benefit Obligation DefinedBenefitPlanAccumulatedBenefitObligation	25200000	USD
CY2018Q4	us-gaap	Defined Benefit Plan Accumulated Benefit Obligation DefinedBenefitPlanAccumulatedBenefitObligation	21000000.0	USD
CY2018Q4	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	0	USD
CY2019Q4	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	0	USD
CY2019Q4	atro	Defined Benefit Plan Amortization Of Net Prior Service Cost Credit Tax DefinedBenefitPlanAmortizationOfNetPriorServiceCostCreditTax	100000	USD
CY2019	atro	Defined Benefit Plan Amortization Of Net Gains Losses Before Tax DefinedBenefitPlanAmortizationOfNetGainsLossesBeforeTax	-500000	USD
CY2019Q4	us-gaap	Defined Benefit Plan Accumulated Other Comprehensive Income Net Prior Service Cost Credit After Tax DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditAfterTax	2800000	USD
CY2019	atro	Defined Benefit Plan Amortization Of Net Gains Losses After Tax DefinedBenefitPlanAmortizationOfNetGainsLossesAfterTax	-600000	USD
CY2019	atro	Defined Benefit Plan Amortization Of Net Gains Losses Net Of Tax DefinedBenefitPlanAmortizationOfNetGainsLossesNetOfTax	100000	USD
CY2019Q4	atro	Defined Benefit Plan Accumulated Other Comprehensive Income Net Prior Service Cost Credit Tax DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditTax	600000	USD
CY2019Q4	us-gaap	Defined Benefit Plan Accumulated Other Comprehensive Income Net Gains Losses Before Tax DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax	-6000000.0	USD
CY2019Q4	us-gaap	Defined Benefit Plan Accumulated Other Comprehensive Income Net Gains Losses After Tax DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesAfterTax	-7600000	USD
CY2019Q4	atro	Defined Benefit Plan Accumulated Other Comprehensive Income Net Gains Losses Tax DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesTax	1600000	USD
CY2019Q4	us-gaap	Defined Benefit Plan Expected Amortization Of Prior Service Cost Credit Next Fiscal Year DefinedBenefitPlanExpectedAmortizationOfPriorServiceCostCreditNextFiscalYear	300000	USD
CY2019	atro	Defined Benefit Plan Amortization Of Net Prior Service Cost Credit Net Of Tax DefinedBenefitPlanAmortizationOfNetPriorServiceCostCreditNetOfTax	400000	USD
CY2016Q1	us-gaap	Stock Repurchase Program Authorized Amount1 StockRepurchaseProgramAuthorizedAmount1	50000000	USD
CY2016Q1	us-gaap	Stock Repurchase Program Authorized Amount1 StockRepurchaseProgramAuthorizedAmount1	50000000	USD
CY2016Q1	us-gaap	Stock Repurchase Program Authorized Amount1 StockRepurchaseProgramAuthorizedAmount1	50000000	USD
CY2019Q4	us-gaap	Common Stock Capital Shares Reserved For Future Issuance CommonStockCapitalSharesReservedForFutureIssuance	11800000	shares
CY2019	us-gaap	Other Comprehensive Income Loss Foreign Currency Translation Adjustment Tax OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax	0	USD
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-2299000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	1396000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	2142000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	52017000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	46803000	USD
CY2017	us-gaap	Net Income Loss NetIncomeLoss	19679000	USD
CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	32028000	shares
CY2018	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	32351000	shares
CY2017	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	32874000	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
CY2018	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	785000	shares
CY2018	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	785000	shares
CY2017	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	844000	shares
CY2017	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	844000	shares
CY2019	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	32459000	shares
CY2018	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	33136000	shares
CY2017	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	33718000	shares
CY2019	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.62
CY2018	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.45
CY2017	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.60
CY2019	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.60
CY2018	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.41
CY2017	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.58
CY2019	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	500000	shares
CY2018	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	200000	shares
CY2017	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	100000	shares
CY2019	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	3843000	USD
CY2018	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	3098000	USD
CY2017	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	2598000	USD
CY2019	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	452000	USD
CY2018	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	179000	USD
CY2017	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	140000	USD
CY2019	us-gaap	Allocated Share Based Compensation Expense Net Of Tax AllocatedShareBasedCompensationExpenseNetOfTax	3391000	USD
CY2018	us-gaap	Allocated Share Based Compensation Expense Net Of Tax AllocatedShareBasedCompensationExpenseNetOfTax	2919000	USD
CY2017	us-gaap	Allocated Share Based Compensation Expense Net Of Tax AllocatedShareBasedCompensationExpenseNetOfTax	2458000	USD
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0
CY2019	us-gaap	Equity Securities Without Readily Determinable Fair Value Impairment Loss Annual Amount EquitySecuritiesWithoutReadilyDeterminableFairValueImpairmentLossAnnualAmount	5000000.0	USD
CY2019Q1	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	208174000	USD
CY2018Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	208606000	USD
CY2019Q4	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	198412000	USD
CY2019Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	177018000	USD
CY2019Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	189098000	USD
CY2018Q4	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	202917000	USD
CY2018Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	212674000	USD
CY2018Q1	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	179059000	USD
CY2019Q4	us-gaap	Gross Profit GrossProfit	26908000	USD
CY2019Q3	us-gaap	Gross Profit GrossProfit	36794000	USD
CY2019Q2	us-gaap	Gross Profit GrossProfit	40363000	USD
CY2019Q1	us-gaap	Gross Profit GrossProfit	52077000	USD
CY2018Q4	us-gaap	Gross Profit GrossProfit	47672000	USD
CY2018Q3	us-gaap	Gross Profit GrossProfit	46320000	USD
CY2018Q2	us-gaap	Gross Profit GrossProfit	49572000	USD
CY2018Q1	us-gaap	Gross Profit GrossProfit	37132000	USD
CY2019Q4	us-gaap	Asset Impairment Charges AssetImpairmentCharges	11083000	USD
CY2019Q3	us-gaap	Asset Impairment Charges AssetImpairmentCharges	0	USD
CY2019Q2	us-gaap	Asset Impairment Charges AssetImpairmentCharges	0	USD
CY2019Q1	us-gaap	Asset Impairment Charges AssetImpairmentCharges	0	USD
CY2018Q4	us-gaap	Asset Impairment Charges AssetImpairmentCharges	0	USD
CY2018Q3	us-gaap	Asset Impairment Charges AssetImpairmentCharges	0	USD
CY2018Q2	us-gaap	Asset Impairment Charges AssetImpairmentCharges	0	USD
CY2018Q1	us-gaap	Asset Impairment Charges AssetImpairmentCharges	0	USD
CY2019Q4	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	-43282000	USD
CY2019Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	1760000	USD
CY2019Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	8830000	USD
CY2019Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	100995000	USD
CY2018Q4	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	15594000	USD
CY2018Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	15580000	USD
CY2019Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.35
CY2018Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.37
CY2018Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.52
CY2018Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.43
CY2018Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.10
CY2019Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-1.10
CY2019Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.04
CY2019Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.20
CY2018Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	17182000	USD
CY2018Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	3926000	USD
CY2019Q4	us-gaap	Net Income Loss NetIncomeLoss	-34065000	USD
CY2019Q3	us-gaap	Net Income Loss NetIncomeLoss	1210000	USD
CY2019Q2	us-gaap	Net Income Loss NetIncomeLoss	6726000	USD
CY2019Q1	us-gaap	Net Income Loss NetIncomeLoss	78146000	USD
CY2018Q4	us-gaap	Net Income Loss NetIncomeLoss	12485000	USD
CY2018Q3	us-gaap	Net Income Loss NetIncomeLoss	16999000	USD
CY2018Q2	us-gaap	Net Income Loss NetIncomeLoss	14025000	USD
CY2018Q1	us-gaap	Net Income Loss NetIncomeLoss	3294000	USD
CY2019Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-1.10
CY2019Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.04
CY2019Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.21
CY2019Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.40
CY2018Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.38
CY2018Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.53
CY2018Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.42
CY2018Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.10
CY2019	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	772702000	USD
CY2018	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	803256000	USD
CY2017	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	624464000	USD
CY2019	us-gaap	Gain Loss On Sale Of Business GainLossOnSaleOfBusiness	78801000	USD
CY2018	us-gaap	Gain Loss On Sale Of Business GainLossOnSaleOfBusiness	0	USD
CY2017	us-gaap	Gain Loss On Sale Of Business GainLossOnSaleOfBusiness	0	USD
CY2019	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	-6141000	USD
CY2018	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	-9710000	USD
CY2017	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	-5369000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	68303000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	52282000	USD
CY2017	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	24991000	USD
CY2019	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	33049000	USD
CY2018	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	35032000	USD
CY2017	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	27063000	USD
CY2019Q4	us-gaap	Assets Assets	782716000	USD
CY2018Q4	us-gaap	Assets Assets	774640000	USD
CY2017Q4	us-gaap	Assets Assets	735956000	USD
CY2019	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	12083000	USD
CY2018	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	16317000	USD
CY2017	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	13478000	USD
CY2019	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	772702000	USD
CY2018	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	803256000	USD
CY2017	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	624464000	USD
CY2019Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	112499000	USD
CY2018Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	120862000	USD
CY2019Q4	us-gaap	Accumulated Other Comprehensive Income Loss Foreign Currency Translation Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax	-7000000.0	USD
CY2018Q4	us-gaap	Accumulated Other Comprehensive Income Loss Foreign Currency Translation Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax	-7200000	USD
CY2019	atro	Number Of Major Customers NumberOfMajorCustomers	2	customer
CY2019	us-gaap	Asset Impairment Charges AssetImpairmentCharges	11083000	USD
CY2019	us-gaap	Restructuring Settlement And Impairment Provisions RestructuringSettlementAndImpairmentProvisions	28836000	USD
CY2019	us-gaap	Equity Securities Without Readily Determinable Fair Value Impairment Loss Annual Amount EquitySecuritiesWithoutReadilyDeterminableFairValueImpairmentLossAnnualAmount	5000000.0	USD

Files In Submission

Name	View Source	Status
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$ATRO
ASTRONICS CORP Stock $atro

2018 Q4 Form 10-K Financial Statement

#000000806320000013 Filed on March 02, 2020

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$ATRO ASTRONICS CORP Stock $atro

2018 Q4 Form 10-K Financial Statement

#000000806320000013 Filed on March 02, 2020

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$ATRO
ASTRONICS CORP Stock $atro