Document and Entity Information Document - USD ($)
$ in Millions
12 Months Ended
Jun. 28, 2019
Jul. 31, 2019
Dec. 28, 2018
Document And Entity Information [Abstract]      
Entity Registrant Name AVIAT NETWORKS, INC.    
Entity Central Index Key 0001377789    
Current Fiscal Year End Date --06-28    
Entity Filer Category Non-accelerated Filer    
Document Type 10-K    
Document Period End Date Jun. 28, 2019    
Document Fiscal Year Focus 2019    
Document Fiscal Period Focus FY    
Amendment Flag false    
Entity Emerging Growth Company false    
Entity Small Business true    
Entity Shell Company false    
Entity Common Stock, Shares Outstanding   5,364,851  
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Public Float     $ 46