v3.7.0.1
Document And Entity Information - USD ($)
$ in Millions
12 Months Ended
Apr. 02, 2017
May 15, 2017
Oct. 02, 2016
Document Information [Abstract]      
Entity Registrant Name INTEGRATED DEVICE TECHNOLOGY INC    
Entity Central Index Key 0000703361    
Current Fiscal Year End Date --04-02    
Entity Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Filer Category Large Accelerated Filer    
Entity Public Float     $ 2,291
Entity Common Stock, Shares Outstanding (in shares)   132,990,950  
Document Fiscal Year Focus 2017    
Document Fiscal Period Focus FY    
Document Type 10-K    
Amendment Flag false    
Document Period End Date Apr. 02, 2017