Document And Entity Information	4 Months Ended
	Sep. 23, 2014	Sep. 26, 2014
Document And Entity Information [Abstract]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Sep. 23, 2014
Document Fiscal Period Focus	Q1
Document Fiscal Year Focus	2015
Entity Registrant Name	FRISCHS RESTAURANTS INC
Trading Symbol	frs
Entity Central Index Key	0000039047
Current Fiscal Year End Date	--06-02
Entity Filer Category	Accelerated Filer
Entity Common Stock, Shares Outstanding		5,117,850