Document and Entity Information
9 Months Ended
Apr. 30, 2013
Entity Information  
Entity Registrant Name OIL DRI CORP OF AMERICA
Entity Central Index Key 0000074046
Current Fiscal Year End Date --07-31
Entity Filer Category Accelerated Filer
Document Type 10-Q
Document Period End Date Apr. 30, 2013
Document Fiscal Year Focus 2013
Document Fiscal Period Focus Q3
Amendment Flag false
Common Stock
 
Entity Information  
Entity Common Stock, Shares Outstanding 4,933,743
Common Class B
 
Entity Information  
Entity Common Stock, Shares Outstanding 2,069,746