Annual report pursuant to Section 13 and 15(d)

Income Taxes - Significant Components of Company's Deferred Tax Assets and Liabilities (Detail)

v2.4.1.9
Income Taxes - Significant Components of Company's Deferred Tax Assets and Liabilities (Detail) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Dec. 31, 2013
Deferred Tax Assets:    
Goodwill and Intangible Assets $ 2,470us-gaap_DeferredTaxAssetsGoodwillAndIntangibleAssets $ 3,367us-gaap_DeferredTaxAssetsGoodwillAndIntangibleAssets
Asset Reserves 4,497us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsReserves 5,780us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsReserves
Deferred Compensation 8,895us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits 6,564us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits
Capital Lease Basis Difference 1,935atro_CapitalLeaseAssetsBasisDifference  
State Investment Tax Credit Carryforwards, Net of Federal Tax 1,028us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsGeneralBusiness 665us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsGeneralBusiness
Customer Advanced Payments and Deferred Revenue 1,795atro_DeferredTaxAssetsCustomerAdvancedPaymentsAndDeferredRevenue 956atro_DeferredTaxAssetsCustomerAdvancedPaymentsAndDeferredRevenue
State Net Operating Loss Carryforwards and Other 2,853us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal 2,639us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal
Total Gross Deferred Tax Assets 23,473us-gaap_DeferredTaxAssetsGross 19,971us-gaap_DeferredTaxAssetsGross
Valuation Allowance for State and Foreign Deferred Tax Assets and Tax Credit Carryforwards, Net of Federal Tax (3,134)us-gaap_DeferredTaxAssetsValuationAllowance (2,509)us-gaap_DeferredTaxAssetsValuationAllowance
Deferred Tax Assets 20,339us-gaap_DeferredTaxAssetsNet 17,462us-gaap_DeferredTaxAssetsNet
Deferred Tax Liabilities:    
Depreciation 8,586us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment 7,164us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment
Intangible Assets 23,693us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets 27,742us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets
Other 1,237us-gaap_DeferredTaxLiabilitiesOther 2,465us-gaap_DeferredTaxLiabilitiesOther
Deferred Tax Liabilities 33,516us-gaap_DeferredTaxLiabilities 37,371us-gaap_DeferredTaxLiabilities
Net Deferred Tax Liabilities $ (13,177)us-gaap_DeferredTaxAssetsLiabilitiesNet $ (19,909)us-gaap_DeferredTaxAssetsLiabilitiesNet