XML 28 R13.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Advertising Costs | 12 Months Ended
--- | ---
Apr. 30, 2018
Marketing And Advertising Expense [Abstract] |
Advertising Costs | 7. Advertising Costs We expense advertising costs, primarily consisting of magazine advertisements, printed materials, and television advertisements, either as incurred or upon the first occurrence of the advertising. Advertising expense, included in selling and marketing expenses for the fiscal years ended April 30, 2018, 2017, and 2016, amounted to $25.8 million, $22.3 million, and $21.8 million, respectively.

X
- Definition Advertising costs. + References No definition available. + Details
Name: | aobc_AdvertisingCostsTextBlock
Namespace Prefix: | aobc_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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