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Organization - Additional Information (Detail) | 1 Months Ended | 3 Months Ended | 12 Months Ended
--- | --- | --- | ---
Aug. 31, 2017 Transaction | Jul. 31, 2018 Segment | Apr. 30, 2018 Transaction
Organization Consolidation And Presentation Of Financial Statements [Line Items] |  |  |
Number of reporting segments |  | 2 |
Gemini Technologies, Incorporated and Bubba Blade Branded Products from Fish Tales, LLC |  |  |
Organization Consolidation And Presentation Of Financial Statements [Line Items] |  |  |
Number of transactions for acquisition | Transaction | 2 |  | 2
Firearms Segment |  |  |
Organization Consolidation And Presentation Of Financial Statements [Line Items] |  |  |
Number of reporting segments |  | 1 |
Outdoor Products & Accessories Segment |  |  |
Organization Consolidation And Presentation Of Financial Statements [Line Items] |  |  |
Number of reporting segments |  | 1 |

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