XML 62 R49.htm IDEA: XBRL DOCUMENT
v3.22.0.1

Slowdown of the Hard Seltzer Market Impact - Additional Information (Detail) - Hard Seltzer $ in Millions | 12 Months Ended
--- | ---
Dec. 25, 2021 USD ($)
Unusual Risk or Uncertainty [Line Items] |
Excess and obsolete inventory reserves and other inventory related costs | $ 59.5
Estimated destruction costs | 6.1
Contract termination costs | 14.8
Contract term costs write off | 9.5
Impairment expenses related to cancelled projects | 12.7
Provision for amounts owed to third-parties under non-cancellable purchase orders | 6.3
Combined expenses recognized | $ 102.9

X
- Definition Combined Expenses Recognized + References No definition available. + Details
Name: | sam_CombinedExpensesRecognized
Namespace Prefix: | sam_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Contract term costs. + References No definition available. + Details
Name: | sam_ContractTermCosts
Namespace Prefix: | sam_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Contract Termination Costs + References No definition available. + Details
Name: | sam_ContractTerminationCosts
Namespace Prefix: | sam_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Estimated Destruction Costs + References No definition available. + Details
Name: | sam_EstimatedDestructionCosts
Namespace Prefix: | sam_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Excess and obsolete inventory reserves and other inventory related costs. + References No definition available. + Details
Name: | sam_ExcessAndObsoleteInventoryReservesAndOtherInventoryRelatedCosts
Namespace Prefix: | sam_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Provision for amounts owed to third-parties under non-cancellable purchase orders. + References No definition available. + Details
Name: | sam_ProvisionForAmountsOwedToThirdPartiesUnderNonCancellablePurchaseOrders
Namespace Prefix: | sam_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount recognized as an operating expense or loss during the period to reduce the carrying amount of a project that has been impaired but not abandoned. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=123351718&loc=d3e2420-110228 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585 + Details
Name: | us-gaap_ImpairmentOfOngoingProject
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- 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
Name: | us-gaap_UnusualRiskOrUncertaintyLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | srt_ProductOrServiceAxis=sam_HardSeltzerProductMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |