Document and Entity Information
Document and Entity Information | Oct. 29, 2019 |
Document And Entity Information [Line Items] | |
Entity Registrant Name | BOSTON BEER CO INC |
Amendment Flag | false |
Entity Central Index Key | 0000949870 |
Document Type | 8-K |
Document Period End Date | Oct. 29, 2019 |
Entity Incorporation State Country Code | MA |
Entity File Number | 001-14092 |
Entity Tax Identification Number | 04-3284048 |
Entity Address, Address Line One | One Design Center Place |
Entity Address, Address Line Two | Suite 850 |
Entity Address, City or Town | Boston |
Entity Address, State or Province | MA |
Entity Address, Postal Zip Code | 02210 |
City Area Code | 617 |
Local Phone Number | 368-5000 |
Written Communications | false |
Soliciting Material | false |
Pre Commencement Tender Offer | false |
Pre Commencement Issuer Tender Offer | false |
Entity Emerging Growth Company | false |
Class A Common Stock. $0.01 par value [Member] | |
Document And Entity Information [Line Items] | |
Security Exchange Name | NYSE |
Security 12b Title | Class A Common Stock. $0.01 par value |
Trading Symbol | SAM |
Class B Common Stock, $0.01 par value [Member] | |
Document And Entity Information [Line Items] | |
No Trading Symbol Flag | true |
Security Exchange Name | NONE |
Security 12b Title | Class B Common Stock, $0.01 par value |