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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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