Document And Entity Information - USD ($) $ in Millions	12 Months Ended
	Jul. 01, 2018	Sep. 15, 2018	Dec. 29, 2017
Document Information [Line Items]
Entity Registrant Name	BOWL AMERICA INC
Entity Central Index Key	0000013573
Trading Symbol	bwla
Current Fiscal Year End Date	--07-01
Entity Filer Category	Smaller Reporting Company
Entity Current Reporting Status	Yes
Entity Voluntary Filers	No
Entity Well-known Seasoned Issuer	No
Entity Public Float			$ 29
Document Type	10-K
Document Period End Date	Jul. 01, 2018
Document Fiscal Year Focus	2018
Document Fiscal Period Focus	FY
Amendment Flag	false
Common Class B [Member]
Document Information [Line Items]
Entity Common Stock, Shares Outstanding (in shares)		1,414,517
Common Class A [Member]
Document Information [Line Items]
Entity Common Stock, Shares Outstanding (in shares)		3,746,454