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v3.20.2

Commitments and Contingencies (Narrative) (Details) | 12 Months Ended
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Apr. 30, 2020
Commitments and Contingencies Disclosure [Abstract] |
Warranty claims, period from original ship date | 2 months

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- Definition Warranty Claims, Period From Original Ship Date + References No definition available. + Details
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Namespace Prefix: | amwd_
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Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
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Namespace Prefix: | us-gaap_
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Balance Type: | na
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