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Long-Term Debt and Notes Payable - Additional Information (Detail) (USD $)
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0 Months Ended | 3 Months Ended |
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Sep. 26, 2014
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Apr. 04, 2015
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| Debt Instrument [Line Items] | ||
| Outstanding letter of credit | 5 years | |
| Revolving credit facility remaining | 148,900,000us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity | |
| Outstanding letters of credit | 1,100,000us-gaap_LettersOfCreditOutstandingAmount | |
| Interest coverage ratio | 2280.00%atro_InterestCoverageRatioActual | |
| Leverage ratio | 150.00%atro_ActualLeverageRatio | |
| Maximum [Member] | ||
| Debt Instrument [Line Items] | ||
| Line of credit facility unused capacity |
0.50%us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage / us-gaap_RangeAxis = us-gaap_MaximumMember |
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| Minimum [Member] | ||
| Debt Instrument [Line Items] | ||
| Line of credit facility unused capacity |
0.25%us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage / us-gaap_RangeAxis = us-gaap_MinimumMember |
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| Amended and Restated Credit Agreement [Member] | ||
| Debt Instrument [Line Items] | ||
| Credit facility Outstanding |
6,000,000us-gaap_LineOfCredit / us-gaap_DebtInstrumentAxis = atro_AmendedAndRestatedCreditAgreementMember |
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| Term loan outstanding amount |
180,500,000us-gaap_DebtDefaultLongtermDebtAmount / us-gaap_DebtInstrumentAxis = atro_AmendedAndRestatedCreditAgreementMember |
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| Replacement of original facility |
350,000,000us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity / us-gaap_DebtInstrumentAxis = atro_AmendedAndRestatedCreditAgreementMember |
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| Line of credit facility increase amount |
150,000,000us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity / us-gaap_DebtInstrumentAxis = atro_AmendedAndRestatedCreditAgreementMember |
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| Maturity date of loans | Sep. 26, 2019 | |
| Debt instrument description | Covenants in the Agreement have been modified to where the maximum permitted leverage ratio of funded debt to Adjusted EBITDA (as defined in the Agreement) is 3.5 to 1, increasing to 4.0 to 1 for up to two fiscal quarters following the closing of an acquisition permitted under the Agreement. | |
| Ratio of funded debt to Adjusted EBITDA |
350.00%atro_DebtCovenantRatioOfDebtToEbitda / us-gaap_DebtInstrumentAxis = atro_AmendedAndRestatedCreditAgreementMember |
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| LIBOR rate description | LIBOR plus between 137.5 basis points and 225 basis points based upon the Company's leverage ratio. | |
| Minimum interest coverage ratio |
300.00%atro_MinimumInterestCoverageRatio1 / us-gaap_DebtInstrumentAxis = atro_AmendedAndRestatedCreditAgreementMember |
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| Amended and Restated Credit Agreement [Member] | Maximum [Member] | ||
| Debt Instrument [Line Items] | ||
| Ratio of funded debt to Adjusted EBITDA |
400.00%atro_DebtCovenantRatioOfDebtToEbitda / us-gaap_DebtInstrumentAxis = atro_AmendedAndRestatedCreditAgreementMember / us-gaap_RangeAxis = us-gaap_MaximumMember |
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| Line of Credit Facility, Commitment Fee |
0.35%us-gaap_LineOfCreditFacilityCommitmentFeePercentage / us-gaap_DebtInstrumentAxis = atro_AmendedAndRestatedCreditAgreementMember / us-gaap_RangeAxis = us-gaap_MaximumMember |
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| Amended and Restated Credit Agreement [Member] | Minimum [Member] | ||
| Debt Instrument [Line Items] | ||
| Line of Credit Facility, Commitment Fee |
0.175%us-gaap_LineOfCreditFacilityCommitmentFeePercentage / us-gaap_DebtInstrumentAxis = atro_AmendedAndRestatedCreditAgreementMember / us-gaap_RangeAxis = us-gaap_MinimumMember |
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| Revolving Credit Facility [Member] | ||
| Debt Instrument [Line Items] | ||
| Credit facility Outstanding |
200,000,000us-gaap_LineOfCredit / us-gaap_CreditFacilityAxis = us-gaap_RevolvingCreditFacilityMember |
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| Revolving Credit Facility [Member] | Acquisition [Member] | ||
| Debt Instrument [Line Items] | ||
| Credit facility Outstanding |
58,000,000us-gaap_LineOfCredit / us-gaap_CreditFacilityAxis = us-gaap_RevolvingCreditFacilityMember / us-gaap_LongtermDebtTypeAxis = atro_AcquisitionsMember |
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| Revolving Credit Facility [Member] | Credit Agreement [Member] | ||
| Debt Instrument [Line Items] | ||
| Credit facility Outstanding |
125,000,000us-gaap_LineOfCredit / us-gaap_CreditFacilityAxis = us-gaap_RevolvingCreditFacilityMember / us-gaap_DebtInstrumentAxis = atro_CreditAgreementMember |
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| Revolving Credit Facility [Member] | Credit Agreement [Member] | Term Loan [Member] | ||
| Debt Instrument [Line Items] | ||
| Revolving credit facility, maturity date | Jun. 30, 2018 | |
| Letter of Credit [Member] | ||
| Debt Instrument [Line Items] | ||
| Credit facility allocated |
20,000,000atro_CreditFacilityAllocation / us-gaap_CreditFacilityAxis = us-gaap_LetterOfCreditMember |
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- Definition
Actual Leverage Ratio No definition available.
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- Definition
Credit Facility Allocation No definition available.
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- Definition
Represents the debt covenant ratio to measure the company's ability to pay off debt. No definition available.
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- Definition
Interest Coverage Ratio, Actual No definition available.
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- Definition
Line of credit extension period. No definition available.
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- Definition
Minimum Interest Coverage Ratio1 No definition available.
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- Definition
Amount of outstanding long-term debt or borrowing associated with any securities or credit agreement for which there has been a default in principal, interest, sinking fund, or redemption provisions, or any breach of covenant that existed at the end of the period and subsequently has not been cured. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Description of minimum financial levels (for example, tangible net worth and working capital) and achievement of certain financial ratios (for example, working capital ratio and debt service coverage ratio), and adherence to certain clauses which generally require or restrict certain actions (for example, entering into a debt arrangement with equal or greater seniority, and selling or discontinuing a certain business segment or material subsidiary) to be in compliance with the covenant clauses of the debt agreement. May also include a discussion of the adverse consequences that would result if the entity violates or fails to satisfy the covenants. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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The reference rate for the variable rate of the debt instrument, such as LIBOR or the US Treasury rate and the maturity of the reference rate used, such as three months or six months LIBOR. No definition available.
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- Definition
Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The total amount of the contingent obligation under letters of credit outstanding as of the reporting date. No definition available.
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- Definition
The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used. No definition available.
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- Definition
Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Date the credit facility terminates, in CCYY-MM-DD format. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility. No definition available.
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