XML 89 R76.htm IDEA: XBRL DOCUMENT
v3.25.0.1

Commitments and Contingencies - Additional Information (Detail) $ in Millions | 12 Months Ended
--- | ---
Dec. 28, 2024 USD ($) Vendor
Commitments and Contingencies Disclosure [Line Items] |
Loss contingency, actions taken by court | On November 9, 2023, Ardagh filed a Notice of Plaintiff’s Motion for Judgment on the Pleadings on Count II of the Complaint, to which the Company filed an Opposition on November 22, 2023. On February 26, 2024, the Court granted the Motion. On March 27, 2024, the Company filed a Motion to Clarify and to Reconsider the Court’s decision. Following briefing by the parties, on June 17, 2024, the Court granted the Company's Motion to Reconsider, denied Ardagh's Motion for Judgment on the Pleadings, and vacated its February 26, 2024 Order
Barley, Wheat and Malt |
Commitments and Contingencies Disclosure [Line Items] |
Number of suppliers | Vendor | 4
Purchase commitments outstanding | $ 28.0
Hops |
Commitments and Contingencies Disclosure [Line Items] |
Purchase commitments | $ 10.3

X
- Definition Commitments and Contingencies Disclosure [Line Items] + References No definition available. + Details
Name: | sam_CommitmentsAndContingenciesDisclosureLineItems
Namespace Prefix: | sam_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of Suppliers + References No definition available. + Details
Name: | sam_NumberOfSuppliers
Namespace Prefix: | sam_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Describes important rulings or decisions made by the judge, arbitrator or mediator in the legal matter that could impact the outcome of the case. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 450 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483076/450-20-50-4 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147483076/450-20-50-1 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 9 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483076/450-20-50-9 + Details
Name: | us-gaap_LossContingencyActionsTakenByCourtArbitratorOrMediator
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Minimum amount of purchase arrangement in which the entity has agreed to expend funds to procure goods or services from a supplier. + References No definition available. + Details
Name: | us-gaap_PurchaseObligation
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of the recorded obligation to transfer funds in the future for fixed or minimum amounts or quantities of goods or services at fixed or minimum prices (for example, as in take-or-pay contracts or throughput contracts). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 440 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482648/440-10-50-6 + Details
Name: | us-gaap_RecordedUnconditionalPurchaseObligation
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_LongTermPurchaseCommitmentByCategoryOfItemPurchasedAxis=sam_BarleyWheatAndMaltMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PurchaseCommitmentExcludingLongtermCommitmentAxis=sam_HopsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |