XML 69 R50.htm IDEA: XBRL DOCUMENT
v3.26.1

Net Sales - Additional Information (Detail) | 12 Months Ended
--- | ---
Apr. 30, 2026 | Apr. 30, 2025 | Apr. 30, 2024
Disclosure Net Sales [Abstract] |  |  |
Export sales as percentage of revenue | 4.00% | 5.00% | 5.00%

X
- Definition Disclosure net sales. + References No definition available. + Details
Name: | swbi_DisclosureNetSalesAbstract
Namespace Prefix: | swbi_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Export sales as percentage of revenue. + References No definition available. + Details
Name: | swbi_ExportSalesAsPercentageOfRevenue
Namespace Prefix: | swbi_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration