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Commitments and Contingencies - Additional Information (Detail) $ in Millions	1 Months Ended	3 Months Ended
	Jan. 31, 2018 USD ($)	Jul. 31, 2021 USD ($) Plaintiff Claim Case	Jul. 31, 2021 CAD ($) Plaintiff Claim Case
Schedule Of Commitments And Contingencies [Line Items]
Number of Product liability cases | Case		5	5
Number of Other product liability claims | Claim		3	3
Minimum
Schedule Of Commitments And Contingencies [Line Items]
Compensatory damages sought		$ 75,000
Maximum
Schedule Of Commitments And Contingencies [Line Items]
Compensatory damages sought		$ 50,000,000.0
Putative Class
Schedule Of Commitments And Contingencies [Line Items]
Date of actions filed		December 16, 2019	December 16, 2019
Number of plaintiffs | Plaintiff		2	2
Putative Class | General Damages
Schedule Of Commitments And Contingencies [Line Items]
Aggregate damages claims			$ 50
Putative Class | Compensatory or Punitive Damages
Schedule Of Commitments And Contingencies [Line Items]
Aggregate damages claims			$ 100
John Pidcock
Schedule Of Commitments And Contingencies [Line Items]
Number of plaintiffs | Plaintiff		2	2
John Pidcock | Preferential Transfers
Schedule Of Commitments And Contingencies [Line Items]
Compensatory damages sought		$ 4,200,000
John Pidcock | Turnover of Goods
Schedule Of Commitments And Contingencies [Line Items]
Compensatory damages sought		$ 1,500,000
Gemini Technologies, Incorporated | Smith & Wesson Corp
Schedule Of Commitments And Contingencies [Line Items]
Compensatory damages sought	$ 18,600,000

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