v2.4.0.6
Document And Entity Information (USD $)
In Millions, except Share data, unless otherwise specified
9 Months Ended
Jan. 01, 2012
Jan. 29, 2012
Sep. 26, 2010
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 Large Accelerated Filer    
Entity Public Float     $ 671
Entity Common Stock, Shares Outstanding   141,392,129  
Document Fiscal Year Focus 2012    
Document Fiscal Period Focus Q3    
Document Type 10-Q    
Amendment Flag false    
Document Period End Date Jan. 01, 2012