v2.4.0.8
Document and Entity Information
3 Months Ended
Sep. 30, 2013
Oct. 31, 2013
Document And Entity Information [Abstract]    
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Sep. 30, 2013  
Document Fiscal Year Focus 2014  
Document Fiscal Period Focus Q1  
Trading Symbol QNST  
Entity Registrant Name QUINSTREET, INC  
Entity Central Index Key 0001117297  
Current Fiscal Year End Date --06-30  
Entity Filer Category Accelerated Filer  
Entity Common Stock, Shares Outstanding   43,394,252