Commitments and Contingencies - Additional Information (Detail)	1 Months Ended	6 Months Ended
	Jan. 31, 2018 USD ($)	Oct. 31, 2019 USD ($) Case Claim
Schedule Of Commitments And Contingencies [Line Items]
Number of Product liability cases | Case		7
Number of Other product liability claims | Claim		5
Minimum
Schedule Of Commitments And Contingencies [Line Items]
Compensatory damages sought		$ 75,000
Maximum
Schedule Of Commitments And Contingencies [Line Items]
Compensatory damages sought		$ 18,600,000
Gemini Technologies, Incorporated | Smith & Wesson Corp
Schedule Of Commitments And Contingencies [Line Items]
Compensatory damages sought	$ 18,600,000