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Discontinued Operations - Additional Information (Detail) - USD ($) | 12 Months Ended |  |
--- | --- | --- | ---
Apr. 30, 2021 | Apr. 30, 2020 | Apr. 30, 2019 | Aug. 24, 2020 | Aug. 10, 2020
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items] |  |  |  |  |
Reverse stock split description | one share of AOUT common stock for every four shares of our common |  |  |  |
Business separation expenses | $ 8,400,000 |  |  |  |
Income/(loss) from discontinued operations, net of tax | 8,478,000 | $ (88,883,000) | $ (6,510,000) |  |
Outdoor Products and Accessories Business |  |  |  |  |
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items] |  |  |  |  |
Income/(loss) from discontinued operations, net of tax | 8,500,000 | $ (88,900,000) | $ (6,500,000) |  |
American Outdoor Brands Inc. |  |  |  |  |
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items] |  |  |  |  |
Stockholders ownership percentage |  |  |  | 0.00% | 100.00%
Gain/(loss) recognized on Separation | 0 |  |  |  |
Cash distributed for Separation | 25,000,000.0 |  |  |  |
Divested net assets | $ 260,400,000 |  |  |  |

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