XML 50 R38.htm IDEA: XBRL DOCUMENT v3.10.0.1

Acquisitions - Identifiable Intangible Assets Acquired and Respective Weighted Average Lives (Detail) - USD ($) $ in Thousands	3 Months Ended
	Jul. 31, 2018	Apr. 30, 2018
Acquired Finite Lived Intangible Assets [Line Items]
Total intangible assets, gross	$ 172,398	$ 172,213
Weighted Average Life (In years)	5 years
Developed technology
Acquired Finite Lived Intangible Assets [Line Items]
Total intangible assets, gross	$ 21,130	21,130
Weighted Average Life (In years)	6 years
Customer relationships
Acquired Finite Lived Intangible Assets [Line Items]
Total intangible assets, gross	$ 92,360	$ 92,360
Weighted Average Life (In years)	5 years
Gemini Technologies, Incorporated and Bubba Blade Branded Products from Fish Tales, LLC
Acquired Finite Lived Intangible Assets [Line Items]
Total intangible assets, gross	$ 6,400
Gemini Technologies, Incorporated and Bubba Blade Branded Products from Fish Tales, LLC | Developed technology
Acquired Finite Lived Intangible Assets [Line Items]
Total intangible assets, gross	$ 1,700
Weighted Average Life (In years)	5 years 10 months 24 days
Gemini Technologies, Incorporated and Bubba Blade Branded Products from Fish Tales, LLC | Customer relationships
Acquired Finite Lived Intangible Assets [Line Items]
Total intangible assets, gross	$ 1,600
Weighted Average Life (In years)	5 years 2 months 12 days
Gemini Technologies, Incorporated and Bubba Blade Branded Products from Fish Tales, LLC | Trade names
Acquired Finite Lived Intangible Assets [Line Items]
Total intangible assets, gross	$ 3,100
Weighted Average Life (In years)	5 years 7 months 6 days

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

X

- Definition

Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275

+ Details

Name:	us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 928
-SubTopic 340
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6473545&loc=d3e61844-108004

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

+ Details

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

X

- Details

Name:	us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_DevelopedTechnologyRightsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_CustomerRelationshipsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_BusinessAcquisitionAxis=aobc_GeminiTechnologiesIncorporatedAndBubbaBladeBrandedProductsFromFishTalesLLCMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_TradeNamesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: