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Discontinued Operations - Additional Information (Detail) - USD ($)
3 Months Ended 6 Months Ended 9 Months Ended
Jan. 31, 2021
Jan. 31, 2020
Oct. 31, 2020
Jan. 31, 2021
Jan. 31, 2020
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 stock      
Business separation expenses       $ 8,400,000      
Income/(loss) from discontinued operations, net of tax $ 127,000 $ 1,504,000   8,334,000 $ (1,839,000)    
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 127,000,000 $ 1,500,000   8,300,000 $ (1,800,000)    
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     $ 260,400,000