v2.4.0.6
Document And Entity Information (USD $)
In Millions, except Share data, unless otherwise specified
12 Months Ended
Apr. 01, 2012
Apr. 30, 2012
Oct. 02, 2011
Document Information [Line Items]      
Entity Registrant Name INTEGRATED DEVICE TECHNOLOGY INC    
Entity Central Index Key 0000703361    
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 Accelerated Filer    
Entity Public Float     $ 532
Entity Common Stock, Shares Outstanding   142,271,904  
Document Fiscal Year Focus 2012    
Document Fiscal Period Focus FY    
Document Type 10-K    
Amendment Flag false    
Document Period End Date Apr. 01, 2012