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v3.7.0.1

Segment Reporting - Additional Information (Detail) | 12 Months Ended
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Apr. 30, 2017 Segment
Segment Reporting Information [Line Items] |
Number of reportable segments | 2
Firearms Segment |
Segment Reporting Information [Line Items] |
Number of reportable segments | 1
Outdoor Products & Accessories Segment |
Segment Reporting Information [Line Items] |
Number of reportable segments | 1

X
- Definition Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements. + References No definition available. + Details
Name: | us-gaap_NumberOfReportableSegments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition 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. + References No definition available. + Details
Name: | us-gaap_SegmentReportingInformationLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=aobc_FirearmsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=aobc_OutdoorProductsAndAccessoriesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |