v3.4.0.3
Document And Entity Information - USD ($)
$ in Millions
12 Months Ended
Apr. 03, 2016
May. 16, 2016
Sep. 27, 2015
Document Information [Abstract]      
Entity Registrant Name INTEGRATED DEVICE TECHNOLOGY INC    
Entity Central Index Key 0000703361    
Current Fiscal Year End Date --04-03    
Entity Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Filer Category Large Accelerated Filer    
Entity Public Float     $ 2,658
Entity Common Stock, Shares Outstanding   133,634,284  
Document Fiscal Year Focus 2016    
Document Fiscal Period Focus FY    
Document Type 10-K    
Amendment Flag false    
Document Period End Date Apr. 03, 2016