Document And Entity Information - shares	9 Months Ended
	Apr. 02, 2017	Apr. 28, 2017
Document Information [Line Items]
Entity Registrant Name	BRIGGS & STRATTON CORP
Entity Central Index Key	0000014195
Current Fiscal Year End Date	--07-02
Entity Filer Category	Large Accelerated Filer
Document Type	10-Q
Document Period End Date	Apr. 02, 2017
Document Fiscal Year Focus	2017
Document Fiscal Period Focus	Q3
Amendment Flag	false
Entity Common Stock, Shares Outstanding		42,777,759