Document And Entity Information - shares	3 Months Ended
	Sep. 27, 2015	Oct. 30, 2015
Document Information [Line Items]
Entity Registrant Name	BRIGGS & STRATTON CORP
Entity Central Index Key	0000014195
Current Fiscal Year End Date	--07-03
Entity Filer Category	Large Accelerated Filer
Document Type	10-Q
Document Period End Date	Sep. 27, 2015
Document Fiscal Year Focus	2016
Document Fiscal Period Focus	Q1
Amendment Flag	false
Entity Common Stock, Shares Outstanding		44,225,022