v2.4.0.8
Document And Entity Information (USD $)
In Millions, except Share data, unless otherwise specified
12 Months Ended
Mar. 29, 2015
May 15, 2015
Sep. 28, 2014
Document Information [Abstract]      
Entity Registrant Name INTEGRATED DEVICE TECHNOLOGY INC    
Entity Central Index Key 0000703361    
Current Fiscal Year End Date --03-29    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Filer Category Large Accelerated Filer    
Entity Public Float     $ 2,036
Entity Common Stock, Shares Outstanding   148,354,809  
Document Fiscal Year Focus 2015    
Document Fiscal Period Focus FY    
Document Type 10-K    
Amendment Flag false    
Document Period End Date Mar. 29, 2015