XML 46 R1.htm IDEA: XBRL DOCUMENT v2.4.0.8
Document and Entity Information
 9 Months Ended
Mar. 27, 2014
Apr. 21, 2014
Class A Common Stock [Member]
Apr. 21, 2014
Common Stock, non-cumulative voting rights of one vote per share [Member]
Document Information [Line Items]      
Document Type 10-Q    
Amendment Flag false    
Document Period End Date Mar. 27, 2014    
Document Fiscal Year Focus 2014    
Document Fiscal Period Focus Q3    
Trading Symbol JBSS    
Entity Registrant Name SANFILIPPO JOHN B & SON INC    
Entity Central Index Key 0000880117    
Current Fiscal Year End Date --06-26    
Entity Filer Category Accelerated Filer    
Entity Common Stock, Shares Outstanding   2,597,426 8,444,205