v2.4.0.6
Document and Entity Information (USD $)
3 Months Ended
Jul. 02, 2010
Jul. 30, 2010
Oct. 02, 2009
Document and Entity Information [Abstract]      
Entity Registrant Name VIASAT INC    
Entity Central Index Key 0000797721    
Document Type 10-Q    
Document Period End Date Jul. 02, 2010    
Amendment Flag false    
Document Fiscal Year Focus 2011    
Document Fiscal Period Focus Q1    
Current Fiscal Year End Date --04-01    
Entity Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Filer Category Large Accelerated Filer    
Entity Public Float     $ 788,872,693
Entity Common Stock, Shares Outstanding   40,585,949