Document And Entity Information - shares	6 Months Ended
	Jan. 01, 2017	Jan. 20, 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	Jan. 01, 2017
Document Fiscal Year Focus	2017
Document Fiscal Period Focus	Q2
Amendment Flag	false
Entity Common Stock, Shares Outstanding		42,806,705