Name:	avav_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossesBeforeTax
Namespace Prefix:	avav_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Represents the maturity period of available-for-sale securities.

No definition available.

Name:	avav_AvailableForSaleSecuritiesMaturityPeriod
Namespace Prefix:	avav_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

No definition available.

Name:	avav_AvailableForSaleSecuritiesOtherDisclosureAbstract
Namespace Prefix:	avav_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

Represents the pre-determined interval to reset interest rates to current rates.

No definition available.

Name:	avav_AvailableForSaleSecuritiesPredeterminedIntervalToResetInterestRate
Namespace Prefix:	avav_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Represents the period for which the issuer of securities is not required to redeem the securities.

No definition available.

Name:	avav_PeriodForWhichIssuerIsNotRequiredToRedeemInvestments
Namespace Prefix:	avav_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27161-111563

Name:	us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- References

No definition available.

Name:	us-gaap_AvailableForSaleSecuritiesAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

Amount of investment in debt security measured at fair value with change in fair value recognized in net income (available-for-sale), classified as noncurrent.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=109979856&loc=d3e26626-111562

Name:	us-gaap_AvailableForSaleSecuritiesDebtSecuritiesNoncurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Number of investment positions in available-for-sale investments in a continuous unrealized loss position for which an other-than-temporary impairment (OTTI) has not been recognized in the income statement.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 6
-Subparagraph (b)(3)
-URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27290-111563

Name:	us-gaap_AvailableforsaleSecuritiesInUnrealizedLossPositionsQualitativeDisclosureNumberOfPositions1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.