Defined contribution plan, service period, description.

No definition available.

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- Definition

Number of contributory defined investment plan.

+ References

No definition available.

+ Details

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Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of contribution received by defined benefit plan from employer which increases plan assets.

+ References

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-Name Accounting Standards Codification
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+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of contribution expected to be received by defined benefit plan from employer in remainder of current fiscal year. Excludes contribution previously paid by employer in current fiscal year.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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-Topic 715
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+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage employer matches of the employee's percentage contribution matched.

+ References

No definition available.

+ Details

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Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Maximum percentage of employee gross pay the employee may contribute to a defined contribution plan.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
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Period Type:	duration

- Definition

Description of defined contribution pension and other postretirement plans.

+ References

No definition available.

+ Details

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Period Type:	duration

- Details

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Balance Type:
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- Details

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- Details

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- Details

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- Details

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- Details

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- Details

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Employer Sponsored Benefit Plans - Additional Information (Detail)		12 Months Ended
	Aug. 24, 2020 InvestmentPlan	Apr. 30, 2022 USD ($)	Apr. 30, 2021 USD ($)	Apr. 30, 2020 USD ($)
Contributory Defined Investment Plan
Defined Contribution Plan Disclosure [Line Items]
Defined contribution plan, matching contribution percentage		6.00%
Employer contribution to defined benefit plan		$ 592,000	$ 461,000
Contributory Defined Investment Plan \| Smith & Wesson Brands, Inc.
Defined Contribution Plan Disclosure [Line Items]
Employer contribution to defined benefit plan				$ 215,000
Number of contributory defined investment plan \| InvestmentPlan	2
Deferred compensation plan description		Prior to the Separation, our employees participated in two contributory defined investment plans sponsored by our former parent, subject to service requirements. For one plan, employees could contribute up to 100% of their annual pay with no employer matching contributions. For the other plan, employees could contribute from 1% to 30% of their annual pay and our former parent generally made discretionary matching contributions of up to 50% of the first 6% of employee contributions to the plan.
Contributory Defined Investment Plan \| Smith & Wesson Brands, Inc. \| Retirement Plan One
Defined Contribution Plan Disclosure [Line Items]
Defined contribution plan, employee contribution percentage				100.00%
Defined contribution plan, matching contribution percentage				0.00%
Contributory Defined Investment Plan \| Smith & Wesson Brands, Inc. \| Retirement Plan Two
Defined Contribution Plan Disclosure [Line Items]
Defined contribution plan, matching contribution percentage				6.00%
Contributory Defined Investment Plan \| Minimum
Defined Contribution Plan Disclosure [Line Items]
Defined contribution plan, employee contribution percentage		1.00%
Contributory Defined Investment Plan \| Minimum \| Smith & Wesson Brands, Inc. \| Retirement Plan Two
Defined Contribution Plan Disclosure [Line Items]
Defined contribution plan, employee contribution percentage				1.00%
Contributory Defined Investment Plan \| Maximum
Defined Contribution Plan Disclosure [Line Items]
Defined contribution plan, employee contribution percentage		30.00%
Defined contribution plan, matching contribution percentage of match		50.00%
Contributory Defined Investment Plan \| Maximum \| Smith & Wesson Brands, Inc. \| Retirement Plan Two
Defined Contribution Plan Disclosure [Line Items]
Defined contribution plan, employee contribution percentage				30.00%
Defined contribution plan, matching contribution percentage of match				50.00%
Non-Contributory Profit Sharing Plan
Defined Contribution Plan Disclosure [Line Items]
Defined contribution plan service period, description		Employees become eligible on May 1 following the completion of a full fiscal year of continuous service.
Defined contribution plan expected contribution		$ 984,000	$ 1,900,000	$ 217,000