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v3.25.3

Revenue Recognition - Schedule of Breakdown of Revenue (Details) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 27, 2025 | Sep. 28, 2024 | Sep. 27, 2025 | Sep. 28, 2024
Disaggregation of Revenue [Abstract] |  |  |  |
Shipments to domestic distributors | 93.00% | 94.00% | 94.00% | 94.00%
Shipments to international distributors | 5.00% | 4.00% | 5.00% | 5.00%
Sales at retail locations | 2.00% | 2.00% | 1.00% | 1.00%
Percentage of sales | 100.00% | 100.00% | 100.00% | 100.00%

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- Definition Percentage of sales. + References No definition available. + Details
Name: | sam_PercentageOfSales
Namespace Prefix: | sam_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

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- Definition Sales at retail locations percentage. + References No definition available. + Details
Name: | sam_SalesAtRetailLocationsPercentage
Namespace Prefix: | sam_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

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- Definition Shipments to domestic distributors percentage. + References No definition available. + Details
Name: | sam_ShipmentsToDomesticDistributorsPercentage
Namespace Prefix: | sam_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Shipments to international distributors percentage. + References No definition available. + Details
Name: | sam_ShipmentsToInternationalDistributorsPercentage
Namespace Prefix: | sam_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
Name: | us-gaap_DisaggregationOfRevenueAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration