v2.4.0.8
Document and Entity Information (USD $)
In Millions, except Share data, unless otherwise specified
12 Months Ended
Jun. 30, 2014
Aug. 05, 2014
Dec. 31, 2013
Document and Entity Information [Abstract]      
Entity Registrant Name EXTREME NETWORKS INC    
Entity Central Index Key 0001078271    
Current Fiscal Year End Date --06-30    
Entity Filer Category Accelerated Filer    
Document Type 10-K    
Document Period End Date Jun. 30, 2014    
Document Fiscal Year Focus 2014    
Document Fiscal Period Focus FY    
Amendment Flag false    
Entity Common Stock, Shares Outstanding   97,391,901  
Entity Current Reporting Status Yes    
Entity Well Known Seasoned Issuer No    
Entity Voluntary Filer No    
Entity Public Float     $ 652.6