v3.19.2
Document And Entity Information - USD ($)
12 Months Ended
Jun. 30, 2019
Dec. 30, 2018
Aug. 17, 2018
Document Information [Line Items]      
Entity Registrant Name BRIGGS & STRATTON CORPORATION    
Entity Central Index Key 0000014195    
Current Fiscal Year End Date --06-30    
Entity Filer Category Large Accelerated Filer    
Document Type 10-K    
Document Period End Date Jun. 30, 2019    
Entity Registrant Name BRIGGS & STRATTON CORPORATION    
Document Fiscal Year Focus 2019    
Document Fiscal Period Focus FY    
Amendment Flag false    
Entity Common Stock, Shares Outstanding     42,055,973
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Public Float   $ 561,600,000