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Derivative Financial Instruments - Additional Information (Detail) (USD $)
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12 Months Ended | |
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Dec. 31, 2013
Swap
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Dec. 31, 2014
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| Industrial Revenue Bond [Member] | ||
| Derivative Instruments, Gain (Loss) [Line Items] | ||
| Notional amount of interest rate swap |
$ 1,500,000invest_DerivativeNotionalAmount / us-gaap_DerivativeInstrumentRiskAxis = atro_IndustrialRevenueBondMember |
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| Number of interest rate swap |
1us-gaap_DerivativeNumberOfInstrumentsHeld / us-gaap_DerivativeInstrumentRiskAxis = atro_IndustrialRevenueBondMember |
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| Interest of interest rate swap |
3.99%us-gaap_DerivativeVariableInterestRate / us-gaap_DerivativeInstrumentRiskAxis = atro_IndustrialRevenueBondMember |
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| Derivative, date inception | Feb. 06, 2006 | |
| Derivative, date maturity | Feb. 01, 2016 | |
| Fair value of interest rate derivative liabilities |
100,000us-gaap_InterestRateDerivativeLiabilitiesAtFairValue / us-gaap_DerivativeInstrumentRiskAxis = atro_IndustrialRevenueBondMember |
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| Term Note [Member] | ||
| Derivative Instruments, Gain (Loss) [Line Items] | ||
| Derivative, date inception | Mar. 19, 2009 | |
| Derivative, date issued | Jan. 30, 2009 | |
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- Definition
Derivative Instrument Issuing Date No definition available.
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- Definition
Aggregate notional amount specified by the derivative(s). Expressed as an absolute value. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Date the entity entered into the derivative contract, in CCYY-MM-DD format. No definition available.
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- Details
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- Definition
Date the derivative contract matures, in CCYY-MM-DD format. No definition available.
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- Definition
The number of derivative instruments of a particular group held by the entity. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Variable interest rate in effect as of the balance sheet date related to the interest rate derivative. No definition available.
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- Definition
Fair value as of the balance sheet date of interest rate derivative liabilities, which includes all such derivative instruments in hedging and nonhedging relationships that are recognized as liabilities. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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- Details
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