XML 64 R33.htm IDEA: XBRL DOCUMENT v3.19.3

Revenue Recognition and Contracts with Customers - Schedule of Impact of Adoption of ASU 2014-09 on Revenue Recognized (Detail) - USD ($) $ in Thousands		3 Months Ended				6 Months Ended
	Apr. 30, 2019	Oct. 31, 2019	Jul. 31, 2019	Oct. 31, 2018	Jul. 31, 2018	Oct. 31, 2019	Oct. 31, 2018
Disaggregation Of Revenue [Line Items]
Revenue recognized	$ (10,500)					$ (22,300)	$ (26,300)
Revenue deferred						15,600	12,000
ASU 2014-09
Disaggregation Of Revenue [Line Items]
Outstanding performance obligations with customers, beginning balance		$ 3,114	$ 12,213	$ 13,621	$ 23,305	12,213	23,305
Revenue recognized		(7,716)	(14,571)	(12,337)	(13,998)
Revenue deferred		10,104	5,472	7,667	4,314
Outstanding performance obligations with customers, ending balance	$ 12,213	$ 5,502	$ 3,114	$ 8,951	$ 13,621	$ 5,502	$ 8,951

X

- Definition

Contract with customer liability revenue deferred.

+ References

No definition available.

+ Details

Name:	aobc_ContractWithCustomerLiabilityRevenueDeferred
Namespace Prefix:	aobc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=118944033&loc=SL49130531-203044

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 8
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130549-203045

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=118944033&loc=SL49130532-203044

+ Details

Name:	us-gaap_ContractWithCustomerLiability
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 8
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130549-203045

+ Details

Name:	us-gaap_ContractWithCustomerLiabilityRevenueRecognized
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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_DisaggregationOfRevenueLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_AdjustmentsForNewAccountingPronouncementsAxis=us-gaap_AccountingStandardsUpdate201409Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: